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- LK830ST vs UHZ58LV
BenQ LK830ST vs Optoma UHZ58LV
What LK830ST does better (4) and where UHZ58LV wins (6) — every spec side by side.
Why is LK830ST better than UHZ58LV?
- Brightness (ANSI / ISO lumens)4,000 lm vs 3,000 lm+33%
- Maximum refresh rate240 Hz vs 120 Hz2×
- Fan noise30 dB vs 32 dB+7%
- Weight3.4 kg vs 5 kg+47%
Why is UHZ58LV better than LK830ST?
- Light source life20,000 h vs 30,000 h+50%
- Built-in speakers (total output)15 W vs 20 W+33%
- HDMI inputs2 vs 3+50%
- Optical zoom1.25× vs 1.6×+28%
- Largest image size300″ vs 320″+7%
- Power consumption250 W vs 239 W+5%
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 | Laser | Laser |
| Brightness (ANSI / ISO lumens) | 4,000 lm | 3,000 lm |
| Contrast ratio (dynamic / claimed) | 3,000,000:1 | 3,000,000:1 |
| HDR support | — | Yes |
| HDR formats | — | HDR10+, HDR10 |
| Motion interpolation (MEMC) | — | Yes |
| 3D playback | — | Yes |
| Gaming | ||
| Maximum refresh rate | 240 Hz | 120 Hz |
| Game / low-latency mode | — | Yes |
| Lens & placement | ||
| Throw ratio | 0.5:1 | 1.4:1 |
| Throw ratio (zoomed in) | — | 2.24:1 |
| Throw type | Short throw (0.4–1.0:1) | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | 1.11 m | 3.1 m |
| Smallest image size | 70″ | 33″ |
| Largest image size | 300″ | 320″ |
| Optical zoom | 1.25× | 1.6× |
| Lens shift | None | None |
| Autofocus | Yes | — |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | No | No |
| Sound | ||
| Built-in speakers (total output) | 15 W | 20 W |
| Smart & streaming | ||
| Built-in smart platform | — | Yes |
| Wi-Fi | Yes | Yes |
| Connectivity | ||
| HDMI inputs | 2 | 3 |
| HDMI version | — | 2.1 |
| USB port | Yes | Yes |
| Ethernet (LAN) | Yes | Yes |
| VGA input | No | No |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | 250 W | 239 W |
| Light source life | 20,000 h | 30,000 h |
| Design & noise | ||
| Fan noise | 30 dB | 32 dB |
| Fan noise (eco mode) | 24 dB | 28 dB |
| Weight | 3.4 kg | 5 kg |
| Width | — | 274 mm |
| Height | — | 108 mm |
| Depth | — | 219 mm |
| Colours | Black | Black |
