Here we are comparing LG 75SK8070PUA to LG 86UM8070PUA to reveal their common strengths and weaknesses as well as the differences between them which will help you in making a correct decision before the purchase. Both models have the same 4K UHD (3840 x 2160) resolution and they both support HDR.

Let us first have a glance at the highlights of the models.

We have evaluated the TVs from available features and specifications. LG 86UM8070PUA gets higher overall score in our ranking system which is based on the display specifications, video, audio and other features, connectivity and format support.

This section shows the features and specifications which are the reason to choose LG 75SK8070PUA over LG 86UM8070PUA.

	LG 75SK8070PUA	LG 86UM8070PUA
Display Technology	NanoCell	N/A
Color	Nano Cell Color Pro	✖
Higher Panel Bit Depth	10 bits	8 bits + FRC
Lower Minimum Response Time	5 ms	8 ms
Ultra Luminance	✔	✖
More Speaker Channels	2.2 Channel	2.0 Channel
Higher Speaker Power Rating	40W (WF:20W)	20W
Dolby Atmos	✔	✖
HDMI Audio Return Channel (ARC)	✔ HDMI 2	✔ ARC (HDMI 2)

This section shows the features and specifications which are the reason to choose LG 86UM8070PUA over LG 75SK8070PUA.

	LG 75SK8070PUA	LG 86UM8070PUA
LED Type	Edge LED	Direct LED
4K HFR	✖	✔ 4K HFR via HDMI will be updated
2K HFR	✖	✔
Noise Reduction	✔ NR	Quad Step NR
Deep Learning AI Picture	✖	✔
AI Brightness	✖	✔
Sharpness	✖	Frequency based Sharpness Enhancer
Dynamic Tone Mapping	Enhanced Dynamic Tone Mapping	Dynamic Tone Mapping Pro
AI Sound	✖	✔
WiSA Ready	✖	✔ Separate Dongle Purchase Required
Smart Speaker Compatible	✖	✔
LG Smart Speaker	✖	✔
Newer Bluetooth Version	4.2	5.0
Apple Airplay	✖	✔ Airplay 2
LG TV Plus App	✖	✔
Smart ThinQ App	✖	✔
Amazon Echo Compatible	✖	✔
AI UX	✖	✔
AI Home	✖	✔
AI Recommendation	✖	Default: off
Intelligent Edit	✖	✔
Home Dashboard	✖	✔
Apple HomePod	✖	✔
Magic Link	✖	Default: off
360 VR	✖	✔
Mobile TV On	✖	✔
Wi-Fi TV On	✖	✔
Bluetooth Low Energy On	✖	✔
Hotel Mode	✖	✔
Time Machine (DVR)	✖	✔
Analog DVR	✖	✔

STRENGTHS	LG 75SK8070PUA	LG 86UM8070PUA
High Refresh Rate	100 Hz/120 Hz	100 Hz/120 Hz
Wide Viewing Angle	Wide Viewing Angle	Wide Viewing Angle
Color Depth	1.07 Billion	1.07 Billion
HDR10	✔	✔
Dolby Vision	✔	✔
HLG	✔	✔
Advanced HDR by Technicolor®	✔	✔
DTS Digital Surround	✔ DTS-HD	✔ DTS-HD
Clear Voice	Clear Voice III	Clear Voice III
Bluetooth Audio Playback	✔	✔

WEAKNESSES	LG 75SK8070PUA	LG 86UM8070PUA
No 3D Capability	✖	✖
No HDR10+	✖	✖
No IMAX Enhanced	✖	✖
No AMD Freesync™	✖	✖
No NVidia G-Sync	✖	✖
No VRR	✖	✖
No HGIG Compatibility	✖	✖
No Filmmaker Mode	✖	✖
No NEXTGEN TV (ATSC 3.0)	✖	✖

And in the end we display all the specifications which are present for both models.

Note: The following table shows only those details which are applicable for both models and excludes the ones that are applicable for only one model. If you want to see a full list of specs for each model please visit their individual pages here - LG 75SK8070PUA and here - LG 86UM8070PUA.

BASICS	LG 75SK8070PUA	LG 86UM8070PUA
Brand	LG	LG
Country Version	USA	USA
Series	SK80	UM80
Model	75SK8070PUA	86UM8070PUA
Release Year	2018	2019
Size	75"	86"
Smart TV	✔	✔

DISPLAY	LG 75SK8070PUA	LG 86UM8070PUA
Actual Size (Diagonal)	74.5"	85.6"
Resolution	4K UHD (3840 x 2160)	4K UHD (3840 x 2160)
Refresh Rate	100 Hz/120 Hz	100 Hz/120 Hz
Screen Design	Flat	Flat
Display Technology	LCD	LCD
Panel Type	IPS	IPS
Backlight Type	LED	LED
LED Type	Edge LED	Direct LED
Backlight Dimming	Local Dimming	Local Dimming
Color	Nano Cell Color Pro	✖
Viewing Angle	Wide Viewing Angle	Wide Viewing Angle
Panel Bit Depth	10 bits	8 bits + FRC
Color Depth	1.07 Billion	1.07 Billion
DCI P3 Color Space Coverage	90%	90%
Minimum Response Time	5 ms	8 ms

VIDEO	LG 75SK8070PUA	LG 86UM8070PUA
3D Capability	✖	✖
HDR10	✔	✔
HDR10+	✖	✖
Dolby Vision	✔	✔
Dolby Vision IQ	✖	✖
HLG	✔	✔
Advanced HDR by Technicolor®	✔	✔
IMAX Enhanced	✖	✖
HDR	✔	✔
HDR Effect	✔	✔
AMD Freesync™	✖	✖
NVidia G-Sync	✖	✖
4K HFR	✖	✔ 4K HFR via HDMI will be updated
2K HFR	✖	✔
VRR	✖	✖
HGIG Compatibility	✖	✖
Picture Processor	α7 Intelligent Processor	α7 Gen 2 Intelligent Processor
Upscaling	4K Upscaler	4K Upscaler
Frame Interploation Technique	TruMotion 240	TruMotion 240
Frame Interpolation Frequency	240 Hz	240 Hz
Filmmaker Mode	✖	✖
Auto Low Latency Mode	✖	✖
Depth Enhancement	✔ Active Depth Enhancer	✔ Object Depth Enhancer
AI Picture	✖	✖
Auto Genre Selection	✖	✖
Face Enhancing	✖	✖
Image Enhancing	✖	✖
Color Enhancer	✔ Dynamic Color	✔ Advanced Color Enhancer
Noise Reduction	✔ NR	Quad Step NR
Deep Learning AI Picture	✖	✔
AI Brightness	✖	✔
True Color Accuracy	✔	✔
Ultra Luminance	✔	✖
Sharpness	✖	Frequency based Sharpness Enhancer
Dynamic Tone Mapping	Enhanced Dynamic Tone Mapping	Dynamic Tone Mapping Pro

AUDIO	LG 75SK8070PUA	LG 86UM8070PUA
Speaker Channels	2.2 Channel	2.0 Channel
Speaker Type and Configuration	Down Firing	Down Firing
Speaker Power Rating	40W (WF:20W)	20W
Dolby Atmos	✔	✖
DTS Digital Surround	✔ DTS-HD	✔ DTS-HD
Simultaneous Audio Output	✔	✔
AI Sound	✖	✔
Surround Mode	Dolby Surround / ULTRA Surround	Dolby Surround / ULTRA Surround
Clear Voice	Clear Voice III	Clear Voice III
Sound Tuning	One Touch Sound Tuning	One Touch Sound Tuning
WiSA Ready	✖	✔ Separate Dongle Purchase Required
Bluetooth Audio Playback	✔	✔
LG Sound Sync	✔	✔
Smart Speaker Compatible	✖	✔
LG Smart Speaker	✖	✔

CONNECTIVITY	LG 75SK8070PUA	LG 86UM8070PUA
Ethernet Input	✔	✔
Wi-Fi	✔	✔
Wi-Fi Direct	✔	✔
Wi-Fi Frequency	2.4 GHz, 5 GHz	2.4 GHz, 5 GHz
Wi-Fi Protocol	IEEE802.11ac/a/b/g/n	IEEE802.11ac/a/b/g/n
Bluetooth	✔	✔
Bluetooth Version	4.2	5.0
Apple Airplay	✖	✔ Airplay 2
LG TV Plus App	✖	✔
Smart ThinQ App	✖	✔
Chromecast	✖	✖
Google Home	✔ Google Home device sold separately	✔ Google Home device sold separately
Virtual Assistant	✔ Google Assistant	✔ Google Assistant
Works with Alexa	✔ Amazon Alexa device sold separately	✔ Built-In
HDMI Inputs	4	4
HDMI Version	2.0b	2.0b
HDMI Audio Return Channel (ARC)	✔ HDMI 2	✔ ARC (HDMI 2)
HDCP Version	2.2	2.2
HDMI-CEC	✔ SIMPLINK	✔ SIMPLINK
USB Inputs	3	3
USB 3.0 Ports	✖	✖
RF (Terrestrial / Cable ) Inputs	1	1
Component Inputs	✖	✖
Composite Inputs	1 via A/V 3.5mm Jack	1 via A/V 3.5mm Jack
RCA Audio Outputs	✖	✖
3.5mm headphone Audio Output	✖	✖
Optical Audio Output	✔	✔
RS-232C Remote	1 (Mini Jack)	1 (Mini Jack)
DLNA	✔	✔

OTHER	LG 75SK8070PUA	LG 86UM8070PUA
CPU Cores	4	4
CPU Frequency	1200 MHz	1200 MHz
GPU Cores	2	2
Operating System	webOS	webOS
Internet Browser	✔ Full Web Browser	✔ Full Web Browser
Parental Control (V-Chip)	✔	✔
Application Store	✔ LG Content Store	✔ LG Content Store
Teletext	✖	✖
PVR Function	✔	✔
LG AI ThinQ®	✔	✔
Speech to Text	✔	✔
LG Voice Search	✔	✔
Amazon Echo Compatible	✖	✔
AI UX	✖	✔
AI Home	✖	✔
AI Recommendation	✖	Default: off
Intelligent Edit	✖	✔
Home Dashboard	✖	✔
Apple HomePod	✖	✔
Voice Recognition	✔ Intelligent Voice Recognition	✔ Intelligent Voice Recognition
Magic Link	✖	Default: off
Audio Guidance (Text To Speech)	✔	✔
Gallery Mode	✔	✔
Multi-view	✔	✔
DIAL	✔	✔
Music Player	✔	✔
360 VR	✖	✔
Mobile TV On	✖	✔
Wi-Fi TV On	✖	✔
Bluetooth Low Energy On	✖	✔
Hotel Mode	✖	✔
Screen Share	✔	✔
Time Shift	✔	✔
Auto Calibration	✔	✔
Time Machine (DVR)	✖	✔
Analog DVR	✖	✔

VIDEO FORMATS	LG 75SK8070PUA	LG 86UM8070PUA
3GPP	✔	✔
AV1	✖	✖
AVI	✔	✔
ASF	✖	✖
DivX	✔	✔
Flash Video	✔	✔
H.263	✔	✔
H.264	✔	✔
H.265	✔	✔
MKV	✔	✔
M2TS	✔	✔
MP4	✔	✔
MPEG-4	✔	✔
QuickTime	✔	✔
RealVideo	✖	✖
TS	✔	✔
VC-1	✔	✔
VP7	✖	✖
VP8	✖	✖
VP9	✔	✔
VOB	✖	✖
VRO	✖	✖
WebM	✖	✖
WMV	✖	✖
Xvid	✖	✖

AUDIO FORMATS	LG 75SK8070PUA	LG 86UM8070PUA
AAC	✔	✔
AC4	✖	✖
AIFF	✖	✖
ALAC	✖	✖
APE	✖	✖
aptX	✔	✔
eAAC+	✖	✖
EAC3	✖	✖
FLAC	✔	✔
HE-AAC	✔	✔
LPCM	✔	✔
M4A	✖	✖
MIDI	✖	✖
MP2	✖	✖
MP3	✔	✔
OGG	✔	✔
RealAudio	✔	✔
WMA	✔	✔
WAV	✖	✖

IMAGE FORMATS	LG 75SK8070PUA	LG 86UM8070PUA
BMP	✖	✖
GIF	✖	✖
JPEG	✔	✔
JPS	✔	✔
MPO	✔	✔
PNG	✖	✖

TUNER	LG 75SK8070PUA	LG 86UM8070PUA
Digital Tuner	✔ 1	✔ 1
SAT Tuner	✖	✖
Analog Tuner	NTSC-M	NTSC-M
NEXTGEN TV (ATSC 3.0)	✖	✖
Digital Terrestrial TV System	ATSC	ATSC
Digital Cable TV System	Clear QAM	Clear QAM
Color system	PAL / SECAM / NTSC	PAL / SECAM / NTSC

GENERAL	LG 75SK8070PUA	LG 86UM8070PUA
Power Supply	AC 120 V, 50/60 Hz	AC 120 V, 50/60 Hz
Power Consumption (In Standby)	0.5 W	0.5 W
Dimension Without Stand (W x H x D)	66.2" x 38.3" x 2.6"	76.5" x 44" x 3.7"
Dimension With Stand (W x H x D)	66.2" x 41.1" x 13.8"	76.5" x 46.8" x 13.6"
Dimension of Package (W x H x D)	72.4" x 45.9" x 9.1"	83.3" x 49.6" x 11.2"
One Connect Box	✖	✖
VESA Wall Mount	✔	✔
VESA Dimensions (W x H)	600 mm x 400 mm	600 mm x 400 mm
Weight Without Stand	85.5 lbs	97.4 lbs
Weight With Stand	91.3 lbs	99.2 lbs
Weight of Package (Gross)	114.6 lbs	130.1 lbs

ACCESSORIES	LG 75SK8070PUA	LG 86UM8070PUA
Remote	Magic Remote Control - AN-MR18BA.US	Magic Remote Control - AN-MR19
Universal Control Capability for remote	✔	✔
Magic Remote Control Compatible	✔	✔

WARRANTY	LG 75SK8070PUA	LG 86UM8070PUA
Warranty	1 Year Parts & Labor	1 Year Parts & Labor