Bottom line: Which one is better?
When we compare KS8000 Vs MU8000 in this review, Samsung KS8000 is better because it has a higher native contrast ratio for dark scenes, brighter HDR and SDR, wider color gamut and handles reflections and motion better.
The design features of Samsung MU8000 Vs KS8000 have the following comparisons;
Stand; the two TVs have stands.
Wall mount; the two TVs can be mounted on wall.
Borders; Samsung KS8000 has 0.28” (0.7cm) while Samsung MU8000 has 0.31” (0.8cm).
Maximum temperature; Samsung MU8000 has 100oF (38oC)
Average temperature; Samsung MU8000 has 91oF (33oC)
Native contrast; Samsung KS8000 has 6909:1 while Samsung MU8000 has 4723:1
Local dimming; the two TVs have local dimming
SDR real scene peak brightness; Samsung KS8000 has 489cd/m2 while Samsung MU8000 has 385 cd/m2.
SDR peak 100% window; Samsung KS8000 has 532cd/m2 whereas Samsung MU8000 has 393cd/m2
HDR real scene peak brightness; Samsung KS8000 has 453cd/m2 whereas Samsung MU8000 has 417cd/m2
Gray uniformity; Samsung KS8000 has 7.5 while Samsung MU8000 has 7.8
50% std. Dev; Samsung KS8000 has 3.536% whereas Samsung MU8000 has 4.068%
50% DSE; Samsung KS8000 has 0.165% while Samsung MU8000 has 0.150%
Viewing angle; Samsung KS8000 has 4.7 whereas Samsung MU8000 has 4.2
Black uniformity; Samsung KS8000 has 9.9 while Samsung MU8000 has 7.1
Native std. Dev; Samsung KS8000 has 0.432% while Samsung MU8000 has 1.271%
Total reflections; Samsung MU8000 has 6.0%
Indirect reflections; Samsung MU8000 has 0.6%
Pre-calibration; Samsung KS8000 has 8.9, the same as Samsung MU8000.
White balance dE; Samsung KS8000 has 1.46 whereas Samsung MU8000 has 1.84
Color dE; Samsung KS8000 has 1.64 whereas Samsung MU8000 has 1.40
Post calibration; Samsung KS8000 has 9.8 whereas Samsung MU8000 has 9.5
White balance Samsung KS8000 has 0.30 while Samsung MU8000 has 0.38
Color dE; Samsung KS8000 has 0.21 while Samsung MU8000 has 1.20
Gamma; the two TVs have 2.20
100% response time; Samsung MU8000 has 13.3ms
Flicker-free; Samsung MU8000 has no flicker-free.
Black Frame Insertion (BFI); the two TVs have optional BFI
Motion interpolation; the two TVs have motion interpolation.
Variable refresh rate; the two TVs don’t have variable refresh rates
Input lag; Samsung KS8000 has 9.0 whereas Samsung MU8000 has 8.9
1080p @ 60 Hz; Samsung KS8000 has 20.9ms whereas Samsung MU8000 has 24.2ms
1080p @ 60 Hz outside Game mode; Samsung KS8000 has 113.5ms while Samsung MU8000 has 79.1ms.
Supported resolutions; Samsung KS8000 has 9.0 while Samsung MU8000 has 8.2
1080p @ 60 Hz @ 4:4:4; the two TVs have this.
Total inputs; each TV has 4 HDMI, 3 USB, 1 digital optical audio out, 1 tuner (cable/Ant) and 1 Ethernet.
Inputs specifications; the two TVs have HDR10, HDMI 2.0 Full bandwidth, CEC and HDCP 2.2
Audio pass-through; the two TVs have ARC, 5.1 Dolby Digital and 5.1 DTS.
Frequency response; Samsung KS8000 has 6.9 whereas Samsung MU8000 has 6.8
Low frequency extension; Samsung KS8000 has 84.76Hz whereas Samsung MU8000 has 71.27Hz.
Std.Dev. @ Max; Samsung KS8000 has 6.49dB whereas Samsung MU8000 7.49dB.
Distortion; Samsung KS8000 has 7.5 whereas Samsung MU8000 has 6.2
Weighted THD @ max; Samsung KS8000 has 0.165 while Samsung MU8000 has 2.528
IMD @ max; Samsung MU8000 has 14.91%
Smart OS; Samsung KS8000 Samsung KS8000 has Tizen (2016) while Samsung MU8000 has Tizen version 2017
Interface; Samsung MU8000 has an easy to use and average smoothness.
Ad-free; Samsung KS8000 is ad-free while Samsung MU8000 has ads.
Apps and features; each TV has preinstalled apps and features
Remote; the two TVs have remotes.
TV controls; the two TVs have TV controls for channel and volume adjustments.
Samsung KS8000 is better in this review of MU8000 Vs KS8000 as it has good HDR and SDR performance.$