Bottom line: Which one is better?
Samsung Q9FN is slightly better in this review of Q8FN Vs Q9FN as it has a better dark room performance due to the better local dimming and black uniformity.
Stand; the two TVs have stands
Wall mount; each TV can be mounted on wall
Borders; Samsung Q8FN has 0.51” (1.3cm) while Samsung Q9FN has 0.43” (1.1cm)
Max thickness; Samsung Q8FN is 2.28” (5.8cm) whereas Samsung Q9FN is 1.61” (4.1cm)
Max temperature; Samsung Q8FN has 94oF 934oC) whereas Samsung Q9FN has 97oF 936oC)
Average temperature; Samsung Q8FN has 90oF (32oC) while Samsung Q9FN has 84oF (29oC)
Native contrast; Samsung Q8FN has 5551: whereas Samsung Q9FN has 6055:1
Contrast with local dimming; Samsung Q8FN has 7957:1 whereas Samsung Q9FN has 19018:1
Local dimming; the two TVs have local dimming
SDR real scene peak brightness; Samsung Q8FN has 543cd/m2 whereas Samsung Q9FN has 667cd/m2
HDR real scene peak brightness; Samsung Q8FN has 628cd/m2 whereas Samsung Q9FN has 908cd/m2
Gray uniformity; Samsung Q8FN has 7.1 while Samsung Q9FN has 6.7
50% std. Dev; Samsung Q8FN has 3.354% while Samsung Q9FN has 3.553%
50% DSE; Samsung Q8FN has 0.205% whereas Samsung Q9FN has 0.236%
Viewing angle; Samsung Q8FN has 5.2 while Samsung Q9FN has 5.4
Color washout; Samsung Q8FN has 24o while Samsung Q9FN has 25o
Black uniformity; Samsung Q8FN has 8.1 while Samsung Q9FN has 9.6
Native std. Dev; Samsung Q8FN has 0.855% while Samsung Q9FN has 0.537%
Total reflections; Samsung Q8FN has 1.2% while Samsung Q9FN has 1.4%
Screen finish; Samsung Q8FN has glossy, the same as Samsung Q9FN.
Pre-calibration; Samsung Q8FN has 7.0 whereas Samsung Q9FN has 7.4
White balance dE; Samsung Q8FN has 3.34 while Samsung Q9FN has 2.88
Color dE; Samsung Q8FN has 3.80 while Samsung Q9FN has 3.39
Gamma; Samsung Q8FN has 2.30 whereas Samsung Q9FN has 2.19
Picture mode; Samsung Q8FN and Samsung Q9FN have movie
Post calibration; Samsung Q8FN has 8.8 while Samsung Q9FN has 9.4
White balance dE; Samsung Q8FN has 0.39 whereas Samsung Q9FN has 0.15
Color dE; Samsung Q8FN has 2.83 whereas Samsung Q9FN has 1.77
Gamma; Samsung Q8FN has 2.20, the same as Samsung Q9FN.
Wide colour Gamut; the two TVs have wide color Gamut.
100% response time; Samsung Q8FN has 12.9ms whereas Samsung Q9FN ha 15.5ms
Flicker-free; the two TVs don’t have flicker-free.
Black Frame Insertion (BFI); the two TVs have optional BFI
Motion interpolation; each TV has motion interpolation at 30fps and 60fps.
Variable refresh rate; the two TVs have FreeSync.
Input lag; Samsung Q8FN has 9.3 whereas Samsung Q9FN has 9.1
1080p @ 60 Hz; Samsung Q8FN has 20.0ms whereas Samsung Q9FN 21.4ms
1080p @ 60 Hz outside game mode; Samsung Q8FN has 73.0ms whereas Samsung Q9FN has 75.6ms
Supported resolutions; Samsung Q8FN has 8.8, the same as Samsung Q9FN.
1080 @ 60 4:4:4; the two TVs support this.
Total inputs; each TV has 4 HDMI, 1 Digital optical audio out, tuner (cable/Ant) and 1 Ethernet. Samsung Q8FN has 2 USB whereas Samsung Q9FN has 3.
Inputs specifications; each TV has HDR10, HDR10+, HLG, CEC and Wi-Fi support.
Audio pass-through; each TV has ARC, Dolby Digital and DTS.
Frequency response; Samsung Q8FN ha 6.3 whereas Samsung Q9FN has 6.4
Low frequency extension; Samsung Q8FN has 75.51Hz whereas Samsung Q9FN has 113.14Hz
Std. Dev. @ Max; Samsung Q8FN has 6.73dB whereas Samsung Q9FN has 5.34dB
Max; Samsung Q8FN has 85.5dB SPL whereas Samsung Q9FN has 88.4dB SPL
Distortion; Samsung Q8FN has 7.1 whereas Samsung Q9FN has 7.4
Weighted THD @ Max; Samsung Q8FN has 0.951 whereas Samsung Q9FN has 0.892
IMD @ Max; Samsung Q8FN has 1.39% whereas Samsung Q9FN has 1.18%
Smart OS; the two TVs operate on Tizen version 2018
Interface; the two TVs have easy to use and non-smooth.
Ad-free; the two TVs have ads
Apps and features; the two TVs come with preinstalled apps.
Remote; the two TVs have small remotes.
TV controls; the two TVs have TV controls
Samsung Q9FN is slightly better than Samsung Q8FN in this review of Q9FN Vs Q8FN as it has a better dark room performance due to the better local dimming and black uniformity.$ 1499.95