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- TK705STi vs EF-22
BenQ TK705STi vs Epson EF-22
What TK705STi does better (4) and where EF-22 wins (4) — every spec side by side.
Dimensions
Size comparison
TK705STiEF-22
| TK705STi | EF-22 | Difference | |
|---|---|---|---|
| Height | 168 mm | 193 mm | −25 mm |
| Width | 229 mm | 236 mm | −7 mm |
| Depth | 250 mm | 191 mm | +59 mm |
| Weight | 3.8 kg | 3 kg | +0.8 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is TK705STi better than EF-22?
- Brightness (ANSI / ISO lumens)3,000 lm vs 1,000 lm3×
- Resolution (on screen)3840 × 2160 (4K UHD) vs 1920 × 1080 (Full HD)
- Built-in speakers (total output)16 W vs 5 W3.2×
- HDMI inputs2 vs 12×
Why is EF-22 better than TK705STi?
- Contrast ratio (dynamic / claimed)700:1 vs 5,000,000:17,142.9×
- Power consumption250 W vs 75 W3.3×
- Fan noise26 dB vs 22 dB+18%
- Weight3.8 kg vs 3 kg+27%
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 | LED | Laser |
| Brightness (ANSI / ISO lumens) | 3,000 lm | 1,000 lm |
| Native contrast ratio | 600,000:1 | — |
| Contrast ratio (dynamic / claimed) | 700:1 | 5,000,000:1 |
| HDR support | Yes | Yes |
| HDR formats | HDR10+, HDR10, HLG | HDR10 |
| Colour gamut (Rec.709) | 98% | — |
| Gaming | ||
| Input lag | 5 ms | — |
| Maximum refresh rate | 60 Hz | — |
| Game / low-latency mode | Yes | — |
| Lens & placement | ||
| Throw ratio | 0.8:1 | 1:1 |
| Throw ratio (zoomed in) | — | 1.82:1 |
| Throw type | Short throw (0.4–1.0:1) | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | 1.77 m | 2.21 m |
| Smallest image size | — | 30″ |
| Largest image size | — | 150″ |
| Optical zoom | — | 1.82× |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | Yes | Yes |
| Sound | ||
| Built-in speakers (total output) | 16 W | 5 W |
| Smart & streaming | ||
| Smart platform | Google TV | — |
| Built-in smart platform | Yes | — |
| Netflix (officially licensed) | Yes | — |
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | Yes |
| Chromecast built-in | Yes | Yes |
| Connectivity | ||
| HDMI inputs | 2 | 1 |
| HDMI eARC | Yes | — |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | — |
| VGA input | No | — |
| Audio output | Yes | — |
| Battery, power & lifetime | ||
| Power consumption | 250 W | 75 W |
| Light source life | 20,000 h | 20,000 h |
| Light source life (eco mode) | 30,000 h | — |
| Design & noise | ||
| Fan noise | 26 dB | 22 dB |
| Fan noise (eco mode) | — | 18 dB |
| Weight | 3.8 kg | 3 kg |
| Width | 229 mm | 236 mm |
| Height | 168 mm | 193 mm |
| Depth | 250 mm | 191 mm |
