Bottom line: Which one is better?
Samsung Q7FN is a better TV when we compare Samsung Q7F Vs LG SK9000 as it gets brighter when watching in bright room, displays deeper and more uniform blacks while watching in dark rooms because of the higher contrast ratio and better black uniformity.
Stand; the two TVs have stands
Wall mount; Samsung Q7FN has VESA 200×200 while LG SK9000 has VESA 300×300
Borders; Samsung Q7FN has 0.35” (0.9cm) while LG SK9000 has 0.43” (1.1cm)
Max thickness; Samsung Q7FN is 2.05” (5.2cm) while LG SK9000 is 1.89” (4.8cm)
Max temperature; Samsung Q7FN has 99oF (37oC) whereas LG SK9000 has 95oF (35o)
Average temperature; Samsung Q7FN has 91oF (33oC), the same as LG SK9000.
Native contrast; Samsung Q7FN has 5607:1 while LG SK9000 has 1306:1
Local dimming; the two TVs have local dimming
SDR real scene peak brightness; Samsung Q7FN has 682cd/m2 whereas LG SK9000 has 458cd/m2
HDR real scene peak brightness; Samsung Q7FN has 717cd/m2 while LG SK9000 has 520cd/m2
Gray uniformity; Samsung Q7FN has 7.7 while LG SK9000 has 6.5
50% Std. Dev; Samsung Q7FN has 3.217% while LG SK9000 has 4.790%
50% DSE; Samsung Q7FN has 0.165% while LG SK9000 has 0.239%
Viewing angle; Samsung Q7FN has 5.4 while LG SK9000 has 7.6
Black uniformity; Samsung Q7FN has 8.9 while LG SK9000 has 5.4
Native Std. Dev; Samsung Q7FN has 0.567% while LG SK9000 has 2.343%
Total reflections; Samsung Q7FN has 1.5% while LG SK9000 has 3.4%
Pre-calibration; Samsung Q7FN has 7.7 while LG SK9000 has 6.1
White balance dE; Samsung Q7FN has 2.80 while LG SK9000 has 5.13
Color dE; Samsung Q7FN has 2.80 while LG SK9000 has 5.13
Gamma; Samsung Q7FN has 2.24 while LG SK9000 has 2.13
Post calibration; the two TVs have 9.4
White balance; dE; Samsung Q7FN has 0.27 while LG SK9000 has 0.11
Color dE; Samsung Q7FN has 1.66 while LG SK9000 has 1.67
Gamma; Samsung Q7FN has 2.20 while LG SK9000 has 2.19
100% response time; Samsung Q7FN has 12.6ms while LG SK9000 has 14.4ms
Flicker-free; the two TVs are not
Black Frame Insertion (BFI); the two TVs have optional BFI
Motion interpolation; the two TVS have motion interpolation 30fps and 60fps.
24p judder; the two TVs are judder-free
Input lag; Samsung Q7FN has 9.4, the same as LG SK9000
Supported resolutions; Samsung Q7FN has 8.8 whereas LG SK9000 has 8.3
Total inputs; each TV has 4 HDMI, 3 USB, 1 Digital optical audio out, 1 Tuner (cable/Ant) and 1 Ethernet. LG SK9000 has 1 composite in.
Inputs specifications; each TV supports HDR10, HLG, HDMI 2.0 Full bandwidth, CEC, HDCP 2.2 and Wi-Fi support. Samsung Q7FN supports HDR10+.
Audio pass-through; each TV supports ARC, 5.1 Dolby Digital and 5.1 DTS.
Low-frequency extension; Samsung Q7FN has 71.27Hz whereas LG SK9000 has 67.27Hz
Max; Samsung Q7FN has 85.0dB SPL while LG SK9000 has 89.0dB SPL
Weighted THD @ Max; Samsung Q7FN has 0.519 whereas LG SK9000 has 1.325
IMD @ Max; Samsung Q7FN has 1.25% while LG SK9000 has 3.18%
Smart OS; Samsung Q7FN operates on Tizen version 2018 while LG SK9000 on WebOS version 4.0
Interface; Samsung Q7FN is easy to use and not smooth while LG SK9000 is easy to use with average smoothness.
Ads; the two TVs have ads
Apps and features; the two TVs have apps and features
Remote; Samsung Q7FN has small whereas LG SK9000 large.
TV controls; the two TVs have TV controls
Samsung Q7FN is better than LG SK9000 because it gets brighter when watching in bright room, displays deeper and more uniform blacks while watching in dark rooms, because of the higher contrast ratio and better black uniformity.$ 1125.99