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- TK705STi vs Photon Beam PK52
BenQ TK705STi vs Optoma Photon Beam PK52
What TK705STi does better (5) and where Photon Beam PK52 wins (5) — every spec side by side.
vs
6.9Picture7.2
3.4Gaming & inputs5.0
8.0Noise, lifetime & portability6.6
Dimensions
Size comparison
TK705STiPhoton Beam PK52
| TK705STi | Photon Beam PK52 | Difference | |
|---|---|---|---|
| Height | 168 mm | 130 mm | +38 mm |
| Width | 229 mm | 238 mm | −9 mm |
| Depth | 250 mm | 215 mm | +35 mm |
| Weight | 3.8 kg | 5 kg | −1.2 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is TK705STi better than Photon Beam PK52?
- Automatic keystone correctionYes · Photon Beam PK52: No
- Fan noise26 dB vs 33 dB+27%
- HDR supportYes · Photon Beam PK52: No
- Built-in speakers (total output)16 W vs 15 W+7%
- Weight3.8 kg vs 5 kg+32%
Why is Photon Beam PK52 better than TK705STi?
- Maximum refresh rate60 Hz vs 120 Hz2×
- Brightness (ANSI / ISO lumens)3,000 lm vs 3,500 lm+17%
- Light source life20,000 h vs 30,000 h+50%
- Contrast ratio (dynamic / claimed)700:1 vs 1,500,000:12,142.9×
- Power consumption250 W vs 150 W+67%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 3840 × 2160 (4K UHD) | 3840 × 2160 (4K UHD) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| 4K method | 4K by pixel shifting | 4K by pixel shifting |
| Display technology | DLP | DLP |
| Light source | LED | Laser |
| Brightness (ANSI / ISO lumens) | 3,000 lm | 3,500 lm |
| Native contrast ratio | 600,000:1 | — |
| Contrast ratio (dynamic / claimed) | 700:1 | 1,500,000:1 |
| HDR support | Yes | No |
| HDR formats | HDR10+, HDR10, HLG | — |
| Colour gamut (Rec.709) | 98% | — |
| 3D playback | — | Yes |
| Gaming | ||
| Input lag | 5 ms | — |
| Maximum refresh rate | 60 Hz | 120 Hz |
| Game / low-latency mode | Yes | — |
| Lens & placement | ||
| Throw ratio | 0.8:1 | 1.21:1 |
| Throw ratio (zoomed in) | — | 1.59:1 |
| 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 | 2.68 m |
| Smallest image size | — | 28″ |
| Largest image size | — | 300″ |
| Optical zoom | — | 1.3× |
| Lens shift | — | None |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | Yes | No |
| Sound | ||
| Built-in speakers (total output) | 16 W | 15 W |
| Smart & streaming | ||
| Smart platform | Google TV | — |
| Built-in smart platform | Yes | — |
| Netflix (officially licensed) | Yes | — |
| Wi-Fi | Yes | — |
| Bluetooth | Yes | — |
| Chromecast built-in | Yes | — |
| Connectivity | ||
| HDMI inputs | 2 | 2 |
| HDMI version | — | 2 |
| HDMI eARC | Yes | — |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | No |
| VGA input | No | No |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | 250 W | 150 W |
| Light source life | 20,000 h | 30,000 h |
| Light source life (eco mode) | 30,000 h | — |
| Design & noise | ||
| Fan noise | 26 dB | 33 dB |
| Fan noise (eco mode) | — | 28 dB |
| Weight | 3.8 kg | 5 kg |
| Width | 229 mm | 238 mm |
| Height | 168 mm | 130 mm |
| Depth | 250 mm | 215 mm |
| Colours | — | Black |
