$ Bottom line: Which one is better?
Bottom line: Sony A1E OLED is better.
Sony A1E OLED is better when we compare Sony Z9D Vs OLED because it has an OLED panel, displays better blacks great for movies and HDR content and better response time excellent for playing video games.
Sony Z9D Vs Sony A1E OLED: DESIGN
Stand; the two TVs have stands
Wall mount; Sony Z9D has VESA 400×300 while Sony A1E OLED has VESA 400×200
Borders; Sony Z9D has 0.71” (1.8cm) while Sony A1E OLED has 0.39” (1.0cm)
Max thickness; Sony Z9D has 3.27” (8.3cm) whereas Sony A1E OLED has 2.64” (6.7cm)
Max temperature; the two TVs have 97oF (36oC)
Average temperature; Sony Z9D has 90oF (32o) whereas Sony A1E OLED has 86oF (30oC)
Bottom line: Sony A1E OLED is better
Sony Z9D Vs Sony A1E OLED: PICTURE QUALITY
Contrast; Sony Z9D has 4322:1 while Sony A1E OLED has Inf:1
Local dimming; Sony Z9D has local dimming
Backlight; Sony Z9D has Full-Array
SDR real scene peak brightness; Sony Z9D has 741cd/m2 whereas Sony A1E OLED has 278cd/m2
HDR real scene peak brightness; Sony Z9D has 1375cd/m2 whereas Sony A1E OLED has 623cd/m2
Gray uniformity; Sony Z9D has 6.8 while Sony A1E OLED has 8.6
50% Std. Dev; Sony Z9D has 3.941% whereas Sony A1E OLED has 0.879%
50% DSE; Sony Z9D has 0.203% while Sony A1E OLED has 0.138%
Viewing angle; Sony Z9D has 5.1 whereas Sony A1E OLED has 8.1
Black uniformity; Sony Z9D has 8.7 while Sony A1E OLED has 10
Native Std. Dev; Sony Z9D has 0.776% whereas Sony A1E OLED has 0.349%
Total reflections; Sony Z9D has 2.6% whereas Sony A1E OLED has 1.4%
Pre-calibration; Sony Z9D has 8.1 whereas Sony A1E OLED has 8.0
White balance dE; Sony Z9D has 2.66 whereas Sony A1E OLED has 3.02
Color dE; Sony Z9D has 1.92 while Sony A1E OLED has 1.95
Gamma; Sony Z9D has 2.21 whereas Sony A1E OLED has 2.20
Post calibration; Sony Z9D has 9.5 whereas Sony A1E OLED has 9.4
White balance; Sony Z9D has 0.25 while Sony A1E OLED has 0.40
Color dE; Sony Z9D has 1.17 whereas Sony A1E OLED has 1.57
Gamma; Sony Z9D has 2.20 whereas Sony A1E OLED has 2.21
Bottom line: Sony A1E OLED is better
Sony Z9D Vs Sony A1E OLED: MOTION
100% response time; Sony Z9D has 30.7ms whereas Sony A1E OLED has 0.7ms
Flicker-free; the two TVs are not flicker-free
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
Native refresh rate; each TV has 120Hz
Variable refresh rate; the two TVs don’t have
Bottom line: Sony A1E OLED is better
Sony Z9D Vs Sony A1E OLED: INPUTS
Input lag; Sony Z9D has 8.4 while Sony A1E OLED has 7.9
Supported resolutions; Sony Z9D has 9.1, the same as Sony A1E OLED
Total inputs; the two TVs have 4 HDMI, 3 USB, 1 digital optical audio out, 1 Analog audio out 3.5mm, 1 tuner (cable/ Ant), 1 IR in and 1 Ethernet. Sony Z9D has 1 shared component in and 2 shared composite in while Sony A1E OLED has 1 composite in.
Inputs specifications; each TV has HDR10, Dolby Vision, HLG, HDMI 2.0 Full bandwidth, CEC, HDCP 2.2, USB 3.0, variable Analog audio out and Wi-Fi support. Sony Z9D has 3D.
Audio pass-through; each TV has ARC, 5.1 Dolby digital and 5.1 DTS
Bottom line: Sony Z9D is better
Sony Z9D Vs Sony A1E OLED: SOUND QUALITY
Low-frequency extension; Sony Z9D has 169.51Hz whereas Sony A1E OLED has 67.27Hz
Max; Sony Z9D has 90.dB SPL whereas Sony A1E OLED has 92.7dB SPL
Weighted THD @ Max; Sony Z9D has 8.865 whereas Sony A1E OLED has 9.459
IMD @ Max; Sony Z9D has 12.37% whereas Sony A1E OLED has 6.58%
Bottom line: Sony A1E OLED is better
Sony Z9D Vs Sony A1E OLED: SMART FEATURES
Smart OS; the two TVs operate on Android TV version 6.0
Interface; the two TVs have an average and non-smooth interface
Ad-free; the two TVs are ad-free
Apps and features; the two TVs have apps and features
Remote; the two TVs have large remotes
TV controls; the two TVs have TV controls
Bottom line: Sony Z9D and Sony A1E OLED have the same smart features
Conclusion
When we compare the two TVs, Sony A1E OLED is better because it has an OLED panel, displays better blacks great for movies and HDR content and better response time excellent for playing video games.