Name: UE40JU6640
Brand: Samsung
SKU: 38685
Rating: 3.9 (14 reviews)

3.8

based on all reviews

It handles fast motion well and its low input lag
Great overall picture quality in both dark and bright rooms
Picture Quality 1080p Input Upscaled 1080p is also great

JU6400 is a mixed bag
the picture quality in a dim room is bad (blacks will appear gray)
The corners are also a lot darker

Panel design: Curved
Screen size: 40 in
Resolution: 3840, 2160 px
Screen technology: LCD
Smart tv: yes
Wireless network (wi-fi): yes

Samsung UE40JU6640 - Pros & Cons

It handles fast motion well and its low input lag
Great overall picture quality in both dark and bright rooms
Picture Quality 1080p Input Upscaled 1080p is also great
Picture Quality 4k Input 4k content looks good and sharp

JU6400 is a mixed bag
the picture quality in a dim room is bad (blacks will appear gray)
The corners are also a lot darker
narrow viewing angle can cause the picture quality to deteriorate
No cherry-picked units sent by brands
its picture quality degrades when viewed from the sides
Loss of color saturation at an angle
it cannot reproduce bright highlights and lacks a wide color gamut

Samsung UE40JU6640 - Technical Overview

	Poor	Average	Good	Excellent
Screen size	40 in Best: Axen 8682442100917 Screen size: 123 in
Resolution	3840 x 2160 px Best: Samsung QE82Q800TATXXU Resolution: 7680 x 7320 px

Samsung UE40JU6640 - Full Specifications

Panel design	Curved
Screen size	40.0 in
Resolution	3840 x 2160 px
Screen Technology	LCD
LCD Backlighting	LED
Aspect ratio	16:9
Number of colors	16.7 million
Screen width	34.86 in
Screen height	19.61 in
Panel Type	VA
Panel Bit Depth	8 bits
Pixel Pitch	0.01 in
Pixel Density	110.0 ppi
Display Area	89.53 %
Coating	Glossy
HD ready 1080p (Full HD)	yes
Ultra HD certified (UHD/4K)	yes

Operating System	Tizen OS
Ultra HD Features	UHD Upscaling
Smart Tv	yes
Video camera	no
Micro dimming	yes
Picture-in-Picture	yes
HbbTV	yes

3D Support	yes

Wireless network (Wi-Fi)	yes
Wi-Fi standards	802.11a 802.11ac 802.11b 802.11g
DLNA	yes
Ethernet	yes
Bluetooth	yes
Anynet+ (HDMI-CEC)	yes

Height	23.6 in
Width	36.16 in
Weight	19.84 lb
Depth	11.34 in

Technology	Picture Quality Index
Interpolation Value	1200
Measurement Unit	PQI
Type of index/Measurement method	Samsung Image Quality Index 1200

File formats supported	JPEG/JPG GIF PNG BMP MPO
Image frequency	24p 30p 50p 60p

Tuner type	DVB-C DVB-S2 Analog DVB-T2
CI+	yes
Digital TV tuner	yes

Accessories	Remote controller Smart remote controller Wall mount adapter

Audio decoders	Dolby Digital Plus DTS DTS Premium Sound 5.1
Speaker System	2-channel
File formats supported	AAC FLAC M4A MIDI MP3 OGG WMA WAV APE

Vesa mount	no
Vesa interface type	200x200mm
Removable stand	yes
Height adjustment	no

HDMI port	yes
Number of HDMI ports	4
USB	yes
USB 2.0 ports	3
USB 3.0 ports	1
Component video (YPbPr/YCbCr) in	yes
Number of component video (YPbPr/YCbCr) inputs	1
Composite port in	yes
Number of composite Inputs	1
Digital Audio Ports	1
Digital optical port	yes
MHL	yes

Height	21.12 in
Width	36.16 in
Weight	17.86 lb
Depth	4.1 in
Colour of product	Black Silver

Energy class	A
Annual Energy Use	86.0 kWH/year

Voltage 220V	yes
Voltage 110V	no
Ac Frequency	50.0 Hz
Power Consumption Average	67.0 W
Power Consumption Max	62.0 W
Connecting 9V/12V/14V	no

File formats supported	3GP/3GPP AVI ASF DivX Flash Video H.263 H.264 H.265 MKV M2TS MP4 MPEG4 TS VC-1 VP7 VP8 VP9 VOB VRO WebM WMV
Video quality standards	480i 480p 576i 576p 720p 1080i 1080p 2160p

CPU Type	Hawk-M
CPU Cores	4

Samsung UE40JU6640 - Q&A (1)

0
Votes
Productz
over 1 year ago
How do you like your Samsung TVs?
ursula
over 1 year ago
I believe that Samsung’s televisions are overrated.
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Samsung UE40JU6640 Samsung - Editorial Reviews (2)

3.7

Based on 2 reviews

Samsung UE40JU6640 Samsung JU6400 Review (UN40JU6400, UN43JU6400, UN48JU6400, UN55JU6400, UN60JU6400, UN65JU6400)

RTINGS.com

Published: 01.03.2017

Samsung JU6400 Review (UN40JU6400, UN43JU6400, UN48JU6400, UN55JU6400, UN60JU6400, UN65JU6400)

3.6

The JU6400 is the entry point of Samsung's 4k TVs. It doesn't look cheap, has very little blur on movement, and delivers excellent performance for video games. U...

Samsung UE40JU6640 Samsung JU6500 Review (UN40JU6500, UN48JU6500, UN50JU6500, UN55JU6500, UN60JU6500, UN65JU6500, UN75JU6500)

RTINGS.com

Published: 01.03.2017

Samsung JU6500 Review (UN40JU6500, UN48JU6500, UN50JU6500, UN55JU6500, UN60JU6500, UN65JU6500, UN75JU6500)

3.7

The Samsung JU6500 is a good and reasonably-priced 4k LED TV. However, it has a few flaws, like judder in 24p content and a loss of saturation at a wide angles.