$ Bottom line: Which one is better?
Bottom line: Samsung KU7000 is better.
Samsung KU7000 is better when we compare KU6300 Vs KU7000 as it is of better value, better for movie buffs, finer quality sound and more user-friendly functions in terms of smart TV technology.
Samsung KU6300 Vs Samsung KU7000: DESIGN
Stand; the two TVs have stands
Wall mount; the two TVs can be mounted on wall.
Borders; Samsung KU6300 0.63” (1.6cm) whereas Samsung KU7000 has 0.51” (1.3cm)
Max thickness; not tested
Temperature; not tested
Bottom line: Samsung KU7000 is better.
Samsung KU6300 Vs Samsung KU7000: PICTURE QUALITY
Native contrast; Samsung KU6300 has 5411:1 whereas Samsung KU7000 has 4514:1
Local dimming; the two TVs don’t have local dimming.
SDR real scene peak brightness; Samsung KU6300 has 431cd/m2 whereas Samsung KU7000 has 256cd/m2
HDR real scene peak brightness; Samsung KU6300 has 413cd/m2 whereas Samsung KU7000 has 269cd/m2
Gray uniformity; Samsung KU6300 has 6.6 whereas Samsung KU7000 has 7.3
50% std. Dev; Samsung KU6300 has 4.093% whereas Samsung KU7000 has 3.045%
50% DSE; Samsung KU6300 has 0.224% while Samsung KU7000 has 0.182%
Viewing angle; Samsung KU6300 has 4.3 whereas Samsung KU7000 has 4.9
Black uniformity; Samsung KU6300 has 96 while Samsung KU7000 has 8.8
Native std. Dev; Samsung KU6300 has 0.503% while Samsung KU7000 has 0.684%.
Total reflections; not tested
Screen finish; the two TVs have semi-gloss
Pre-calibration; Samsung KU6300 has 7.1 whereas Samsung KU7000 has 7.8
White color balance dE; Samsung KU6300 has 3.84 whereas Samsung KU7000 has 3.18.
Color dE; Samsung KU6300 has 2.84 whereas Samsung KU7000 has 2.22
Gamma; Samsung KU6300 has 2.23 whereas Samsung KU7000 has 2.26
Post calibration; Samsung KU6300 has 9.9 whereas Samsung KU7000 9.8
Hite balance dE; Samsung KU6300 has 0.19 whereas Samsung KU7000 has 0.35
Color dE; Samsung KU6300 has 0.23 whereas Samsung KU7000 has 0.27
Gamma; Samsung KU6300 has 2.20 whereas Samsung KU7000 has 2.21
Bottom line: Samsung KU7000 is better
Samsung KU6300 Vs Samsung KU7000: MOTION
100% response time; not tested
Flicker-free; not tested
Black Frame insertion (BFI); the two TVs have optional BFI.
Motion interpolation; the two TVs have motion interpolation at 30fps.
Variable refresh rate; not tested
Bottom line: Samsung KU6300 is better
Samsung KU6300 Vs Samsung KU7000: INPUTS
Input lag; Samsung KU6300 has 9.2 whereas Samsung KU7000 has 9.0
1080p @ 60 Hz; Samsung KU6300 has 19.8ms whereas Samsung KU7000 has 24.7ms
1080p @ 60 Hz outside game mode; Samsung KU6300 has 122.4ms whereas Samsung KU7000 has 110.0ms
Supported resolutions; the two TVs support 1080p @ 60 Hz @ 4:4:4, 4k @ 60 Hz and 4k @ 60 Hz @ 4:4:4
Total inputs; the two TVs have 3 HDMI, 2 USB, 1 Digital optical audio out, 1 component in, 1 composite in, 1 tuner (cable/Ant) and 1 Ethernet.
Inputs specifications; the two TVs have HDR10, HDMI 2.1 Full bandwidth and CEC, HDCP 2.2.
Audio pass-through; each TV has ARC, Dolby Digital and DTS
Bottom line: Samsung KU6300 is better
Samsung KU6300 Vs Samsung KU7000: SOUND QUALITY
Frequency response; Samsung KU6300 has 6.9 whereas Samsung KU7000 has 6.7
Low frequency extension; Samsung KU6300 has 89.80Hz whereas Samsung KU7000 has 95.00Hz
Std. Dev. @ Max; Samsung KU6300 has 5.53dB whereas Samsung KU7000 has 5.68dB
Max; Samsung KU6300 has 88.7dB SPL whereas Samsung KU7000 has 90.7dB SPL
Distortion; Samsung KU6300 ha 7.3 whereas Samsung KU7000 has 8.0
Weighted THD @ Max; Samsung KU6300 has 0.306 while Samsung KU7000 has 0.093.
Bottom line: Samsung KU7000 is better
Samsung KU6300 Vs Samsung KU7000: SMART FEATURES
Smart OS; the two TVs operate on Tizen (2016)
Ad-free; not tested
Apps and features; the two TVs come preinstalled with apps and features.
TV controls; the two TVs have TV controls
Bottom line: Samsung KU6300 and Samsung KU7000 have the same smart features
Conclusion
Samsung KU7000 is better in this review of KU7000 Vs KU6300 as it is of better value, better for movie buffs, finer quality sound and more user-friendly functions in terms of smart TV technology.