Comparison between:
- 85.6" LG 86SJ957V
- 54.6" LG 55SK7900PLA

Brand, series, model

Information about the brand, series, model and model aliases.

LG 86SJ957VLG 55SK7900PLA
SeriesSJ950SK790
LG 86SJ957VLG 55SK7900PLA
Model year20172018

Display

Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.

Size class85.6 in54.6 in
Diagonal2170 mm
217 cm
85.4331 in
7.1194 ft
1388 mm
138.8 cm
54.6457 in
4.5538 ft
Width1891.32 mm
189.132 cm
74.4614 in
6.2051 ft
1209.75 mm
120.975 cm
47.6278 in
3.969 ft
Height1063.87 mm
106.387 cm
41.8845 in
3.4904 ft
680.483 mm
68.0483 cm
26.7907 in
2.2326 ft
Panel manufacturerLG Display-
Panel typeIPSIPS
Panel bit depth10 bits10 bits
FRCNo-
Colors1073741824 colors
30 bits
1073741824 colors
30 bits
Aspect ratio1.778:1
16:9
1.778:1
16:9
Resolution3840 x 2160 pixels
Ultra HD (UHD) / 4K / 2160p
3840 x 2160 pixels
Ultra HD (UHD) / 4K / 2160p
Pixel pitch0.493 mm
0.0493 cm
0.0194 in
0.0016 ft
0.315 mm
0.0315 cm
0.0124 in
0.001 ft
Pixel density52 ppi
20 ppcm
81 ppi
31 ppcm
Display area93.2 %92.76 %
BacklightEdge LEDEdge LED
DCI P3-90 %
Brightness-300 cd/m²
Static contrast-1400 : 1
HDRDolby Vision
HDR10
HLG (Hybrid Log Gamma)
HDR10
HLG (Hybrid Log Gamma)
Dolby Vision
Horizontal viewing angle178 °178 °
Vertical viewing angle178 °178 °
Minimum response time-8 ms
0.0080 s
Average response time-12 ms
0.0120 s
Maximum response time-32 ms
0.0320 s
-RGBW structure - 2880 (RGB) + 960 (W)

3D

3D displays use various technologies to achieve a 3D effect. Each of these technologies has its own advantages and drawbacks.

3DNoNo

Frequencies

Information about the horizontal and vertical refresh rates/frequencies.

Vertical frequency (digital)100 Hz / 120 Hz50 Hz / 60 Hz

Frame interpolation

Many smart TV sets use a technology for interpolating (inserting) of intermediate frames between existing ones in order to achieve more fluent visualization, especially for dynamic scenes.

Interpolation technologyPicture Mastering IndexPicture Mastering Index
Interpolation value31002200
Interpolation measurement unitPMIPMI

Power supply and consumption

Information about the power supply and consumption, energy efficiency class, etc.

220V220 V - 240 V220 V - 240 V
Alternating current frequency50 Hz - 60 Hz50 Hz - 60 Hz
Power consumption (off)0.3 W-
Power consumption (sleep)0.8 W0.5 W
Power consumption (average)247 W75 W
Energy efficiency classAA+

Dimensions, weight and color

Information about the dimensions and the weight of the specific model with and without stand as well as the colors, in which it is offered to the market.

Width1938 mm
193.8 cm
76.2992 in
6.3583 ft
1236 mm
123.6 cm
48.6614 in
4.0551 ft
Height1114 mm
111.4 cm
43.8583 in
3.6549 ft
718 mm
71.8 cm
28.2677 in
2.3556 ft
Depth68 mm
6.8 cm
2.6772 in
0.2231 ft
62.1 mm
6.21 cm
2.4449 in
0.2037 ft
Weight50.3 kg
110.89 lbs
15 kg
33.07 lbs
Width with stand1938 mm
193.8 cm
76.2992 in
6.3583 ft
1236 mm
123.6 cm
48.6614 in
4.0551 ft
Height with stand1176 mm
117.6 cm
46.2992 in
3.8583 ft
778 mm
77.8 cm
30.6299 in
2.5525 ft
Depth with stand366 mm
36.6 cm
14.4094 in
1.2008 ft
232.9 mm
23.29 cm
9.1693 in
0.7641 ft
Weight with stand54.6 kg
120.37 lbs
15.5 kg
34.17 lbs
ColorsBlackGray

Ergonomics

Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.

VESA mountYesYes
VESA interface600 x 400 mm300 x 300 mm
Removable standYesYes
Height adjustmentNoNo
Landscape/portrait pivotNoNo
Left/right swivelNoNo
Forward/backward tiltNoNo

TV tuner

The TV tuner is a device, which allows the receiving and visualization of a certain type of television signal. There are tuners for digital, analog, cable and satellite television.

TV tunerAnalog (NTSC/PAL/SECAM)
DVB-T
DVB-T2
DVB-C
DVB-S
DVB-S2
Analog (NTSC/PAL/SECAM)
DVB-T
DVB-T2
DVB-C
DVB-S
DVB-S2
DVB-T2 HD

System on Chip (SoC)

Information about the central processor, graphic processor and the memory of the model.

CPU cores-4
CPU frequency-1200 MHz
GPU cores-2
RAM capacity-1.5 GB
Storage-4 GB

OS, apps and software features

Information about the operating system, applications, various software features if available.

Operating system (OS)webOS 3.5webOS 3.5

Audio

Information about the audio system - number and power of the built-in speakers, supported audio technologies.

Speakers2 x 25 W2 x 10 W
Subwoofer2 x 15 W-
5.2 CH
DTS Decoder DTS-HD
Harman / Kardon
Ultra Surround
Wireless Sound Sync
2.0 CH
Down firing
DTS Decoder DTS-HD
Wireless Sound Sync

Camera

Many contemporary desktop monitors and smart TV sets have built-in cameras.

CameraNoNo

Network

Supported network technologies and standards for exchanging data with other devices.

NetworkLAN
Wi-Fi
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Bluetooth
Wi-Fi Direct
DLNA
LAN
Wi-Fi
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Bluetooth
Wi-Fi Direct
DLNA

Connectivity

Available connectivity ports, slots and interfaces.

Connectivity2 x USB 2.0
1 x USB 3.0
1 x Ethernet RJ45
4 x HDMI 2.0 (ARC; CEC)
1 x Satellite In (Main; F-type female)
1 x AV Composite In 3.5 mm jack
1 x Optical Audio Out
1 x 3.5 mm Audio Out
1 x Antenna (RF) (female)
1 x CI+ 1.3
2 x USB 2.0
1 x Ethernet RJ45
4 x HDMI 2.0 (ARC; CEC)
1 x Satellite In (Main; F-type female)
1 x AV Composite In (Video + L/R)
1 x AV Component In (YPbPr + L/R)
1 x Optical Audio Out
1 x 3.5 mm Audio Out
1 x Antenna (RF) (female)
1 x CI+ 1.4
High-bandwidth Digital Content Protection (HDCP) 2.2
SIMPLINK (HDMI-CEC)
High-bandwidth Digital Content Protection (HDCP) 2.2
SIMPLINK (HDMI-CEC)

Features

Some additional functional features of the model.

Features4K Upscaler
Active HDR
Local Dimming
PVR
True Color Accuracy
ULTRA Luminance
Voice command
4K Active HDR
4K Upscaler
Clear Voice III
Dynamic Color
Google Assistant
LG ThinQ AI
Local Dimming
Nano Cell Color
Nano Cell Display
Noise Reduction
PVR
True Color Accuracy
ULTRA Luminance
Voice command

Image file formats

Smart TV sets allow the display of different image file formats.

Image file formatsJPEG
MPO
JPS
JPEG
MPO
JPS

Audio file formats

Smart TV sets allow playing different audio file formats.

Audio file formats/codecsAAC
AC3
aptX
FLAC
MP3
OGG
RealAudio
WMA
HE-AAC
LPCM
AAC
AC3
aptX
FLAC
MP3
OGG
RealAudio
WMA
HE-AAC
LPCM

Video file formats

Smart TV sets allow playing various video file formats.

Video file formats/codecs3GPP
AVI
DivX
Flash Video
H.263
H.264
H.265
MKV
QuickTime
M2TS
MP4
MPEG-4
TS
VC-1
VP9
3GPP
AVI
DivX
Flash Video
H.263
H.264
H.265
MKV
QuickTime
M2TS
MP4
MPEG-4
TS
VC-1
VP9

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licensesENERGY STAR
RoHS
UL/cUL
ENERGY STAR
RoHS
UL/cUL

Operating and storage conditions

There are certain requirements for the environmental conditions, in which the display should be used and stored in order to function properly.

Operating temperature0 °C - 40 °C
32 °F - 104 °F
0 °C - 40 °C
32 °F - 104 °F
Operating humidity10 % - 80 %10 % - 80 %
Storage temperature-20 °C - 60 °C
-4 °F - 140 °F
-20 °C - 60 °C
-4 °F - 140 °F
Storage humidity5 % - 85 %5 % - 85 %

Accessories

Often the packaging of desktop monitors and smart TV sets includes accessories for them.

Accessories3.5 mm composite adapter
Magic remote control
3.5 mm composite adapter
Magic remote control - AN-MR650A
 LG 86SJ957VLG 55SK7900PLA