| Model | E6521 | E7521 | E8621 |
|---|---|---|---|
| Display | |||
| Diagonal Size (inch) | 65 | 75 | 86 |
| Backlight Life (typ.) | ≥ 50,000 Hours | ≥ 50,000 Hours | ≥ 50,000 Hours |
| Resolution | 3840(H) X 2160(V) | 3840(H) X 2160(V) | 3840(H) X 2160(V) |
| Contrast Ratio | 1,200 : 1 (Typ.) 50,000 : 1 (Dynamic) | 1,200 : 1 (Typ.) 50,000 : 1 (Dynamic) | 1,200 : 1 (Typ.) 50,000 : 1 (Dynamic) |
| Color Depth | 1.07B (10bit) | 1.07B (10bit) | 1.07B (10bit) |
| Color Gamut (typ.) | 72% NTSC | 72% NTSC | 72% NTSC |
| Color Accuracy | Delta E ≤ 2 | Delta E ≤ 2 | Delta E ≤ 2 |
| Eyes Care | TÜV Low Blue Light TÜV Flicker Free | TÜV Low Blue Light TÜV Flicker Free | TÜV Low Blue Light TÜV Flicker Free |
| Panel Brightness | 400 nits | 400 nits | 400 nits |
| Built-in System | |||
| Operating System | Android 13.0 | Android 13.0 | Android 13.0 |
| RAM | 8GB | 8GB | 8GB |
| ROM | 64GB | 64GB | 64GB |
| CPU | 2.0GHz quad core ARM A55 | 2.0GHz quad core ARM A55 | 2.0GHz quad core ARM A55 |
| GPU | Mali-G52 MP2 | Mali-G52 MP2 | Mali-G52 MP2 |
| Speaker | |||
| Sound Channel | 2.0 | 2.0 | 2.0 |
| Power Output | 2×20W | 2×20W | 2×20W |
| Interactivity | |||
| Touch Technology | Intelligent Touchscreen Technology (infrared recognition) | Intelligent Touchscreen Technology (infrared recognition) | Intelligent Touchscreen Technology (infrared recognition) |
| Multitouch Capabilities | Up to 40 touch points (OS dependent) | Up to 40 touch points (OS dependent) | Up to 40 touch points (OS dependent) |