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  • Samsung UN55H6400 55-Inch 1080p 120Hz 3D Smart LED TV
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Samsung UN55H6400 55-Inch 1080p 120Hz 3D Smart LED TV

by Samsung
| 18 answered questions

List Price: $1,599.99
Price: $1,197.99
You Save: $402.00 (25%)

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In Stock.
Ships from and sold by Amazon.com.
55-Inch
  • Refresh Rate: 120Hz (Native); Clear Motion Rate 480 (Effective)
  • Backlight: LED (Edge-Lit)
  • Smart Functionality: Yes with Voice Control and Motion Control with Camera Accessory (sold separately)
  • Dimensions (W x H x D): TV without stand: 48.9'' x 28.2'' x 2.5'', TV with stand: 48.9'' x 31.2'' x 12.1''
  • Inputs: 4 HDMI, 3 USB, 1 Component, 1 Composite
  • Accessories Included: Smart Touch Remote Control, 2 Pairs of 3D Active Glasses (SSG-5150GB)
7 new from $1,197.99 18 used from $861.62 2 refurbished from $980.00
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Frequently Bought Together

Samsung UN55H6400 55-Inch 1080p 120Hz 3D Smart LED TV + Cheetah Mounts APTMM2B Flush Tilt (1.3" Profile) TV Wall Mount Bracket for 32-65 inch LED, LCD and Plasma Flat Screen TVs Up To VESA 684x400 and 165lbs, Including a Twisted Veins 10' Braided High Speed with Ethernet HDMI Cable and a 6" 3-Axis Magnetic Bubble Level
Price for both: $1,226.68

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Special Offers and Product Promotions

Size: 55-Inch
  • Buy Used and Save: Buy a Used "Samsung UN55H6400 55-Inch 1080p 120Hz 3D Smart LED TV" and save 46% off the $1,599.99 list price. Buy with confidence as the condition of this item and its timely delivery are guaranteed under the "Amazon A-to-z Guarantee". See all Used offers.
  • Free 30-Day Tech Support: This item is eligible for FREE Tech Support for 30 days from the date of delivery. Over the phone, our trained technicians can help you set up, configure, connect, and troubleshoot so you can start enjoying your new purchase. Owners of qualifying products can reach Tech Support by selecting your product on the Contact Us page. Learn more

  • Twelve-Month Financing: For a limited time, purchase $599 or more using the Amazon.com Store Card and pay no interest for 12 months on your entire order if paid in full in 12 months. Interest will be charged to your account from the purchase date if the promotional balance is not paid in full within 12 months. Minimum monthly payments required. Subject to credit approval. 1-Click and phone orders do not apply. See complete details and restrictions.

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Customer Rating 4.2 out of 5 stars   (74) 4.2 out of 5 stars   (516) 4.1 out of 5 stars   (174) 4.2 out of 5 stars   (402)
Price $1,197.99To see our price, add this item to your cart. You can always remove it later. Why don't we show the price?$1,597.99Add to cart to see price. Why?
Shipping FREE ShippingFREE ShippingFREE ShippingFREE Shipping
Sold By Amazon.comVideo & Audio CenterAmazon.comAmazon.com
TV Display Technology LED LED LED LED-lit
Resolution 1080p 1080p 1080p 1080p
Refresh Rate 120 Hz 120 Hz 240 Hz 120 Hz
3D (Y/N) Yes No Yes Yes
Smart TV Yes Yes Yes Yes
Total HDMI Ports 4 4 4 4
Dimension 31.2 x 48.9 x 12.1 inches 31.5 x 48.4 x 12.1 inches 29.4 x 48.2 x 10.5 inches 31.8 x 49.2 x 12.1 inches
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Technical Details

Size: 55-Inch
  • Brand Name: Samsung
  • Model: UN55H6400
  • Display Technology: LED
  • Display Size: 55 inches
  • Image Aspect Ratio: 16:09
  See more technical details

Read about our customers' top-rated TVs on our reviews pages: TV Reviews, 4K TV Reviews, LED TV Reviews, Plasma TV Reviews, and Smart TV Reviews. Shop our popular TV brands: LG, Samsung, Sharp, Sony, and VIZIO.

Product Details

Size: 55-Inch
  • Product Dimensions: 12.1 x 48.9 x 31.2 inches ; 39.9 pounds
  • Shipping Weight: 51 pounds (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B00I94IPJC
  • Item model number: UN55H6400
  • Batteries 2 AA batteries required. (included)
  • Average Customer Review: 4.2 out of 5 stars  See all reviews (74 customer reviews)
  • Amazon Best Sellers Rank: #2,229 in Electronics (See Top 100 in Electronics)
  • Date first available at Amazon.com: March 9, 2014
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Product Description

Size: 55-Inch

Samsung H6400 Smart LED TV
Experience vivid color and dramatic contrast
View Larger

Samsung H6400 Smart LED TV

With an upgraded Smart Hub, finding what you’re looking for is easier and more intuitive than ever. You can even ask for suggestions using S-Recommendation and share content to and from your smartphone or tablet.

Experience vivid color and dramatic contrast with Samsung LED TVs. Your favorite movies, sports, and shows will be more vibrant, dynamic, and detailed with Micro Dimming technology, which makes your whites whiter and your blacks deeper. With the Samsung H6400, you’ll discover more of what you love and enjoy it all in stunning picture quality.


Key Features

Micro Dimming

Micro Dimming is an exclusive contrast technology that delivers deeper blacks and brighter whites to create a picture with vivid colors and stunning detail. Enjoy your favorite movies, sports and shows at their best.

Smart TV

Explore movies, shows, apps, and social media on the intuitive and intelligent Samsung Smart TVs. Browse a new world of TV entertainment quickly and simply with a powerful processor and helpful tools like S Recommendation.

Smart Hub / 5 Panel

Enjoy everything you love in one place. The interface of the Smart TV Smart Hub organizes your entertainment and content into 5 panels. Effortlessly navigate through live TV, movies, streaming content, social networks, apps, and more.


Smart Apps

Enjoy a world of new apps, including sports, movies, social media, television on-demand, interactive games, weather, and more. Connect to what you love, 24/7. All apps are built specifically for your Smart TV and available from Samsung Apps.

S-Recommendations with Remote

Receive personalized TV and movie recommendations based on your own preferences and what's popular and trending. Just ask your TV things like "what action movies are on" or open the Smart Hub to browse suggestions.

Smart Interaction

Easily control your TV with Smart Interaction. Voice command lets you talk to the TV to search what’s on or to perform basic commands such as “last channel,” “record” or “turn off.” You can also add an acessory camera, which recognizes your hand motions to browse the Smart Hub, play games, and more.


3D Mode

Enjoy Full HD 1080p in both 2D and 3D modes. The Samsung 3D converter uses 3D Auto Contrasting to turn 2D viewing into 3D for stunning cinematic entertainment. Add the 3D glasses to experience a 178-degree vertical viewing angle.

Eco Sensor

With Eco Sensor, your TV can intelligently adapt its picture according to the intensity of the light in the room. This technology measures the amount of existing light and automatically adjusts the brightness of the image on the TV.

Resolution Full HD / HD

Experience a great picture with no compromises with Samsung 1080p Full HD. With a resolution twice as high as standard HD TVs, you can catch all the details of your favorite films and games.

Clear Motion Rate 480

View every detail of action-packed movies and sports with Clear Motion Rate 480, a remarkable level of motion-clarity. The Samsung CMR uses the frame refresh rate, image processor speed, and backlight technology to measure fast action.



Additional Features

  • Quad Core — Enhances recommendations and multi-tasking
  • WiFi — Seamlessly connect to your existing network
  • Web Browser — Experience browsing from your TV
  • DirecTV Ready — Enjoy receiver-less TV viewing with DirecTV
  • Wide Color Enhancer Plus — Enjoy a better color spectrum
  • Energy Star — Meets all Energy Star requirements
  • AllShare — Share photos and videos from other devices to your TV
  • Screen Mirroring — Turn your phone, computer or tablet into a second TV
  • ConnectShare Movie — Use a USB connection to play videos, music and photos to your TV
  • 3D Sound — Get sound that complements the picture
  • Smart Remote Control — Easily command your Smart TV
  • Anynet+ — Single remote access to all your compatible devices
  • HDMI
  • DTS Premium Sound 5.1

Customer Questions & Answers

Customer Reviews

Seven quick on-screen…The picture is just gorgeous after I did my usual adjustments; turned the backlight, contrast and brightness down, set the picture mode to natural. Read more ›
Samsung has a zero tolerance…This tv has the best picture and the most bells and whistles of any tv I`ve ever had and with a quad 4 processor and new smart hub and remote. Read more ›
I only buy Samsung TVs now... amazing picture, amazing quality. This tv ROCKS!!! Read more ›
The other t.v. was still working just fine but I could not take the heat any longer. This t.v. has one of the best pictures that I have ever seen!! Read more ›
This new t.v. does not heat up my room at all!! I love the picture and the software but the main reason that I bought it was the heat factor. The other t.v. was still… Read more ›
Its up to each individual person whether they want arguably the best visual experience during the life of the set which again is arguably the "Dynamic" setting or… Read more ›
The sound quality of the TV is OK and I've gotten use…The new remote is really advanced and the pointer function works nicely however I still use the cable remote as well. Read more ›
In the 20 min i was impressed. I did not have issues setting it up but it did go through an update right away so maybe some of the bugs were worked out. Read more ›
The picture is as clear as can be. The auto ambient light adjustment is a great feature. The voice recognition works pretty good. Read more ›
TV itself is very good. Would have bought the lower tier model if I had know how bad these features were. Read more ›
Its kinda like having a built in Chromecast but with more content possibilities and then you get great other features like xRay information during playback of content (… Read more ›
Its up to each individual person whether they want arguably the best visual experience during the life of the set which again is arguably the "Dynamic" setting or… Read more ›
This Samsung 3D Smart TV vastly exceeded my expectations. The setup was trouble-free and the picture and sound were amazing. While I did not purchase the unit for its 3D… Read more ›
Great picture and sound! Not really a fan of the 3D component, but it was fun to check it out for 2 minutes. Read more ›
Excellent quality, picture, sound.... I just expected more from the 3D experience. The screen seems to be too small for the proper immersive experience! Read more ›
Horrible sound. You will definitely want to invest in a soundbar if you buy this. Read more ›
Overall great picture and sound is so-so. I am connect to my sound system so it dosen't affect me. Read more ›
This works super will…Now we don't even need the DVD player and so just have a beautiful looking and sounding screen on the wall and no messy wires and devices attached. Read more ›
You'll still need to use your cox remote, which may or may not be a big deal. Since the Samsung remote wont work fully I cant say. The TV it self has pretty good speakers. Read more ›
THe sub-woofer does a great job (also wireless). The TV remote and interface is intuitive, and you no longer need to toggle from letter to letter to input words. Simply… Read more ›
The remote sucks. Right off the bat I find it annoying, and at times it takes longer to do things than the previous models remote. Read more ›
Thin profile, thin bezel design, unique remote, excellent picture quality. The default picture profiles unfortunately are horrendous. Read more ›
Easy Set up and really like the Smart remote for basic Cable/Blue Ray functions although the Info function only works as a Previous Channel function on the cable box . Brigh… Read more ›
I've tried the voice control and found it to be a bit of a gimmick, rather than something I'd choose to use consistently; but the touchpad control is simple, intuitive, and… Read more ›
The remote is very good , I am amazed the I can talk a command on it. Set up is very easy once it gets the network connection. it has been a month now. I gave 4 stars… Read more ›
I incorporated this TV into an extensive home theater sysytem. Set up was simple and straight forward with no problems at all. I have a Pioneer Elite receiver with Polk… Read more ›
As far as technology questions, we are not a great ones to ask…I will say that the setup was easy and so far we have been able to figure out how to accomplish what we want. Read more ›
The picture is excellent, it is very easy to set up and the smart features are fantastic. The audio is good even without my surround sound. Read more ›
The TV is thin, light, aesthetically beautiful and easy to set up. Read more ›
Great picture, and very intuitive set up instructions. Read more ›
The first rule of a good display: do NOT mess with the picture! Read more ›
Oh and worst of all, Netflix streaming has this weird bug where videos will…I have to restart playback several times and then it will finally kick into decent resolution. Read more ›
The…In viewing store demo's I really thought I preferred the passive 3D more than the active but I wouldn't want to lose any of that beautiful detail this set can deliver. Read more ›
For…The bezel is really nicely designed and is a clear plastic about 1/4inch thick which gives it a really nice framing (not noticeable but nice detail if you look for it). Read more ›
When viewing full screen grays, there is visible light falloff in the corners of the TV and there is a kind of stage curtain effect at even points across the top and bottom… Read more ›
I really wanted to like this display, the price was good, very low latency video is great for games, extra pairs of glasses are just as good and less than half the price as… Read more ›
I really wanted to like this display, the price was good, very low latency video is great for games, extra pairs of glasses are just as good and less than half the price as… Read more ›
As other reviews have noted, this is a feature packed TV at a reasonable price. But a feature I did not plan to use after purchasing the TV was its 2D to 3D capability. Read more ›
I Always wanted a smart tv an it is worth the money i paid for it ,excellent features and good clarity an a very good price. Read more ›
I looked at Amazon, and I was glad I did. They not only had the TV, but had it at the best price. The picture quality is fantastic, and the 3D capability is phenomenal! Read more ›
This TV is a good value for everything you get. The picture quality is excellent and the 3D, although gimmicky, does work out. Read more ›
This is a good TV for a great price. The color and contrast are fantastic. Read more ›
Picture quality is lovely. However, blacks aren't as deep as they could be... 3D is ok although I don't really use that feature. You could get away with the internal sound… Read more ›
Amazing TV great colors, the lowest price i Found on internet, 2 free days delivery, I recommend it for all of you. Read more ›
TV is ok, good picture and color. The smart remote does not work as advertised. Read more ›
I must have gotten a lemon, as the picture color is not consistent from station to station. The Sony Bravia I had before had wonderful color, no matter what source. This… Read more ›
The Sony Bravia I had before had wonderful color, no matter what source. This Samsung has that same wonderful color quality as my old Sony. I also love the remote... what a… Read more ›
For us the size of the screen is great, has really good black screen color (which is the let down on cheap LED's). The bezel is really nicely designed and is a clear… Read more ›
Excellent TV... this is the perfect replacement for my 40", 5 year old, family room television. Beautiful picture, great smart options and very viewable 3d option. Glad… Read more ›
Beautiful picture, good sound, easy to set up, I'm very happy with this smart tv! Read more ›
This TV is so clear you feel that the people are in the room. I love the smart TV and have just started using the 3D feature. Amazing Read more ›
Great picture quality. We like the smart tv options. The 3D capabilities are neat. Read more ›
I personally like the Samsung Smart interface and how easy it is to set up. Read more ›
Pandora is now functioning properly. Read more ›
I am satisfied, pleased and happy with this television. **NOTE: The Web Browser is slow as molasses and useless. But this is typical of almost all smart televisions.** Read more ›
This was not our connection as we were getting 50+Mb/s through several test sites around the U.S. at that time. I suspect this is a bandwidth issue on Hulu's end. Also… Read more ›
Oh and worst of all, Netflix streaming has this weird bug where videos will start in low-resolution mode, and never get better. I have to restart playback several times and… Read more ›
The SMART features are very well implemented. Youtube streams perfectly and apps open up and navigate with reasonable speed. I was able to plug a USB into the TV and watch… Read more ›
So far so good. SMART functions are convenient and easy to navigate. Glad that wifi is built in. Read more ›
The TV comes with a quad-core processor intended to make it easier to use its "smart" functions and surf the web. I found it not-sufficient with the set of samsung… Read more ›
The set up was easy to accomplish. The functions that allow you to adjust Picture, Sound, Contrast etc. are easy to use. Read more ›
Had they, I may have tried them out. New remote is cool, easy to use. I have yet to check out a fraction of what this thing does. Read more ›
Great picture. Fun to watch. 3D is really cool to watch. Read more ›
Fun to watch. 3D is really cool to watch. Picture clarity is great. Read more ›

Most Helpful Customer Reviews

99 of 100 people found the following review helpful By LuckyDuck on March 25, 2014
Size Name: 50-Inch Verified Purchase
This review is of the first 24 hours of use on our new UN50H6400.

Setup was fairly easy. Onscreen display guides through the basics of source and internet connections. It did have some issues connecting via WiFi. My wireless router is dual band with both 2.4 and 5GHz bands with the same SSID. I ended up having to rename the 5GHz band SSID in my router before the TV would connect. *Update* 03/30/2014 We ended up connecting the TV via hardwired connection to the network for higher bandwidth streaming 3D playback as the WiFi could not keep up.

Initial picture quality is amazing. This is coming from someone who has been used to watching a smaller and much earlier model of LCD HD TV. The contrast between lights and darks and the details that can be seen in high contrast scenes is something I noticed right off. The 3D demos available on the TV also looked amazing as did a couple I tried from Netflix. The simulated 3D looked surprisingly good as well, testing it on a couple of video sources. I'm not sure I would want to watch most shows this way, but it works better than I would have thought. I have yet to calibrate this TV properly, but will update when I have a chance to delve into the advanced settings more thoroughly.

*Update* 03/30/2014
Had a chance to do a full calibration with a colorimeter. The 10-point white balance worked very well requiring significant adjustments to red and some to blue above 50%, although there was not a significant difference in grays at each step < 50%, while grays above 50% were fairly similar as well. The 2 point calibration would probably get most people close enough. That said, once the 10-point was complete, the white balance looked fantastic at all levels.
Read more ›
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37 of 37 people found the following review helpful By G. Ng on May 20, 2014
Size Name: 60-Inch
Thin profile, thin bezel design, unique remote, excellent picture quality. The default picture profiles unfortunately are horrendous. I can't watch any darker screens without turning off all the lights trying to get rid of any glare on the screen. Going from Movie to Standard to Dynamic didn't really help much either until I found a website that publishes video calibration settings. These are what I found for the UN60F6400 (2013 model). It works so much better. I don't need to flip back and forth between settings for night or day time scenes. Good luck!

Picture Mode Movie
Backlight 16
Contrast 96
Brightness 47
Sharpness 13
Color 50
Tint G50/R50

Advance Settings
Dynamic Contrast Off
Black Tone Off
Flesh Tone 0
RGB Only Mode Off
Color Space Auto
10pt White Balance On
Gamma +1
Expert Pattern Off
xvYCC Off

Picture Options
Color Tone Warm2
Digital Noise Filter Off
MPEG Noise Filter Off
HDMI Black Level Normal (Low if available)
Film Mode Off
Auto Motion Plus Off
LED Motion Plus Off

10pt White Balance On
Interval Red Green Blue
1 0 1 0
2 1 0 -2
3 0 0 2
4 0 0 0
5 -1 0 +1
6 0 -1 0
7 -1 -2 -2
8 0 2 1
9 1 0 0
10 2 1 0

White Balance
Setting Value
R-Offset 25
G-Offset 25
B-Offset 27
R-Gain 19
G-Gain 22
B-Gain 21

Screen Adjustment
Picture Size Screen Fit
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34 of 35 people found the following review helpful By R. Keene on May 13, 2014
Size Name: 55-Inch
I am a bit of a techno-file and this TV was an upgrade from a 6 year old 46" Samsung LCD. Anytime you purchase a TV these days you roll the dice a bit as far as quality of your particular set. I'm happy to say in my case I have no issue. I don't even have issues I expected I would.

I have...No stuck or dead pixels No flashlighting at all. No clouding, a dark screen is perfectly even. Colors are accurate and vibrant. I disabled the eco-sensor right away since it dimmed the screen far too much.

The menu system is very full featured with just about every setting or feature you can think of easily modified.

Blacks are not perfect but they are far better than most LCD's. I am fairly critical and the black level is perfectly acceptable.
I did notice a very minor case of the Dirty Screen Effect. However 99% of the time it can't be seen at all.

The SMART features are very well implemented. Youtube streams perfectly and apps open up and navigate with reasonable speed. I was able to plug a USB into the TV and watch the HD videos taken with my Sony camcorder as well as other video files with no issue. This is a big convenience.

I must confess I do love 3D,and this sets 3D is amazing! The 3D experience varies by source type. A good 3D Blu-ray is every bit as good as the theater. The first 3D Blu-ray movie I played was Prometheus and it was spectacular! The detail is so razor sharp and yet with good depth and pop. In viewing store demo's I really thought I preferred the passive 3D more than the active but I wouldn't want to lose any of that beautiful detail this set can deliver. Active it is then! The glasses are very light weight and fit over my prescription glasses very comfortably. It's not a feature that I will use very often but when a movie I want to see comes out in 3D, that's what I'm going to watch, It really is as good as the theater.
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