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- H6815GTV vs EH-TW840
Acer H6815GTV vs Epson EH-TW840
What H6815GTV does better (4) and where EH-TW840 wins (6) — every spec side by side.
Dimensions
Size comparison
H6815GTVEH-TW840
| H6815GTV | EH-TW840 | Difference | |
|---|---|---|---|
| Height | 94 mm | 92 mm | +2 mm |
| Width | 322 mm | 302 mm | +20 mm |
| Depth | 225 mm | 252 mm | −27 mm |
| Weight | 3.1 kg | 2.7 kg | +0.4 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is H6815GTV better than EH-TW840?
- Resolution (on screen)3840 × 2160 (4K UHD) vs 1920 × 1080 (Full HD)
- Built-in speakers (total output)3 W vs 2 W+50%
- Fan noise33 dB vs 37 dB+12%
- Optical zoom2× vs 1.2×+67%
Why is EH-TW840 better than H6815GTV?
- AutofocusNo · H6815GTV: Yes
- Automatic keystone correctionNo · H6815GTV: Yes
- Contrast ratio (dynamic / claimed)10,000:1 vs 16,000:1+60%
- Weight3.1 kg vs 2.7 kg+15%
- Largest image size300″ vs 337″+12%
- Power consumption310 W vs 284 W+9%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 3840 × 2160 (4K UHD) | 1920 × 1080 (Full HD) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| 4K method | 4K by pixel shifting | — |
| Display technology | DLP | 3LCD |
| Light source | — | Lamp |
| Brightness (ANSI / ISO lumens) | 4,000 lm | 4,000 lm |
| Contrast ratio (dynamic / claimed) | 10,000:1 | 16,000:1 |
| HDR support | Yes | — |
| Gaming | ||
| Maximum refresh rate | 120 Hz | — |
| Lens & placement | ||
| Throw ratio | 1.5:1 | 1.21:1 |
| Throw ratio (zoomed in) | 1.66:1 | 1.45:1 |
| Throw type | Standard throw (1.0:1 and longer) | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | 3.32 m | 2.68 m |
| Smallest image size | 28″ | 34″ |
| Largest image size | 300″ | 337″ |
| Optical zoom | 2× | 1.2× |
| Lens shift | None | None |
| Autofocus | No | Yes |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | No | Yes |
| Sound | ||
| Built-in speakers (total output) | 3 W | 2 W |
| Smart & streaming | ||
| Smart platform | Android (not TV-certified) | — |
| Built-in smart platform | Yes | — |
| Wi-Fi | Yes | Yes |
| Connectivity | ||
| HDMI inputs | 2 | 2 |
| HDMI version | 2 | — |
| USB port | Yes | Yes |
| Ethernet (LAN) | Yes | Yes |
| VGA input | No | No |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | 310 W | 284 W |
| Light source life | — | 6,000 h |
| Light source life (eco mode) | — | 12,000 h |
| Design & noise | ||
| Fan noise | 33 dB | 37 dB |
| Fan noise (eco mode) | 30 dB | 28 dB |
| Weight | 3.1 kg | 2.7 kg |
| Width | 322 mm | 302 mm |
| Height | 94 mm | 92 mm |
| Depth | 225 mm | 252 mm |
| Colours | White | White |
