$ Bottom line: Which one is better?
Bottom line: Samsung NU8000 is better.
Samsung NU8000 is better when we compare LG SK8000 Vs Samsung NU8000 because it supports the FreeSync variable refresh rate, has a better contrast, better black uniformity and gets brighter.
Samsung NU8000 Vs LG SK8000: DESIGN
Stand; the two TVs have stands.
Wall mount; each TV can be mounted on wall.
Borders; Samsung NU8000 has 0.35” (0.9cm) whereas LG SK800 has 0.47” (1.2cm)
Max thickness; Samsung NU8000 has 2.28” (5.8cm) while LG SK800 has 2.64” (6.7cm)
Maximum temperature; Samsung NU8000 has 96o F (35oC) whereas LG SK800 has 104oF (40oC).
Average temperature; Samsung NU8000 has 89oF (32oC) while LG SK800 has 91oF (33oC)
Bottom line: LG SK8000 is better
Samsung NU8000 Vs LG SK8000: PICTURE QUALITY
Native contrast; Samsung NU8000 has 5461:1 while LG SK800 has 1098:1
Local dimming; the two TVs have local dimming.
SDR real scene peak brightness; Samsung NU8000 has 509cd/m2 while LG SK800 has 240cd/m2.
HDR real scene peak brightness; Samsung NU8000 has 529cd/m2 whereas LG SK800 has 271cd/m2
Gray uniformity; Samsung NU8000 has 8.0 while LG SK800 has 7.1
50% std. Dev; Samsung NU8000 has 2.775% while LG SK800 has 4.481%
50% DSE; Samsung NU8000 has 0.161% while LG SK800 has 0.196%.
Viewing angle; Samsung NU8000 has 5.3 whereas LG SK800 has 6.9
Color shift; Samsung NU8000 has 32o whereas LG SK800 has 44o
Black uniformity; Samsung NU8000 has 8.7 while LG SK800 has 3.8
Native std. Dev; Samsung NU8000 has 0.727% while LG SK800 has 2.851%.
Total reflections; Samsung NU8000 has 5.8% whereas LG SK800 has 2.8%
Pre-calibration; Samsung NU8000 has 7.8 while LG SK800 has 8.5
White balance dE; Samsung NU8000 has 1.98 while LG SK800 has 2.56
Color dE; Samsung NU8000 has 3.44 while LG SK800 has 1.83
Gamma; Samsung NU8000 has 2.13 whereas LG SK800 has 2.14
Picture mode; Samsung NU8000 has movie while LG SK800 has Expert (dark room)
Post calibration; Samsung NU8000 has 9.1 whereas LG SK800 has 9.5.
White balance dE; Samsung NU8000 has 0.21 while LG SK800 has 0.10.
Color dE; Samsung NU8000 has 2.25 while LG SK800 has 1.37
Gamma; Samsung NU8000 has 2.21 whereas LG SK800 has 2.19
Bottom line: Samsung NU8000 is better
Samsung NU8000 Vs LG SK8000: MOTION
100% response time; Samsung NU8000 has 12.8ms whereas LG SK800 has 13.0ms
Flicker-free; Samsung NU8000 and LG SK800 don’t have flicker-free.
Block Frame Insertion (BFI); the two TVs have optional BFI.
Motion interpolation; the two TVs have the same motion interpolation at 30fps and 60fps.
Bottom line; LG SK8000 is better.
Samsung NU8000 Vs LG SK8000: INPUTS
Input lag; Samsung NU8000 has 9.4 while LG SK800 has 9.5.
1080p @ 60 Hz; Samsung NU8000 has 18.1ms while LG SK800 has 14.2ms
1080p Hz outside Game mode; Samsung NU8000 has 72.5ms while LG SK800 has 34.7ms.
Supported resolutions; Samsung NU8000 has 8.8 while LG SK800 has 8.3
Total inputs; Samsung NU8000 and LG SK800 have 4 HDMI, 1 optical audio out, 1 tuner (cable/Ant) and 1 Ethernet. Samsung NU8000 has 2 USB whereas LG SK800 has 3 and 1 composite in.
Inputs specifications; Samsung NU8000 and LG SK800 have HDR10, HLG, HDMI 2.0 Full bandwidth CEC, HDCP 2.2 and Wi-Fi support. LG SK800 has Dolby vision while Samsung NU8000 has HDR10+
Audio pass-through; each TV has ARC, Dolby digital and DTS.
Bottom line: LG SK8000 is better.
Samsung NU8000 Vs LG SK8000: SOUND QULITY
Frequency response; Samsung NU8000 has 6.8 while LG SK8000 has 5.9
Low-frequency extension; Samsung NU8000 has 67.27Hz whereas LG SK8000 has 84.76Hz.
Std. Dev. @ max; Samsung NU8000 has 6.76dB whereas LG SK8000 has 6.81dB.
Distortion; Samsung NU8000 has 6.8 while LG SK8000 has 6.4.
Weighted THD @ max; Samsung NU8000 has 1.235 while LG SK8000 has 1.040
Bottom line: Samsung NU8000 is better
Samsung NU8000 Vs LG SK8000: SMART FEATURES
Smart OS; Samsung NU8000 operates on Tizen version 2018 while LG SK8000 operates on WebOS version 4.0.
Interface; Samsung NU8000 has non-smooth and easy while LG SK8000 has average and easy.
Ad-free; the two TVs have ads.
Apps and features; each TV comes with preinstalled apps and features.
Remote; Samsung NU8000 has a small remote while LG SK8000 has large.
TV controls; the two TVs have TV controls
Bottom line: LG SK8000 is better
Conclusion
Samsung NU8000 is a better TV when we compare Samsung NU8000 Vs LG SK8000 as it has better contrast, better black uniformity and supports FreeSync variable refresh rate.