Comparison
LK935 vs ZU607TST
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A side-by-side look at how the BenQ LK935 and Optoma ZU607TST compare on specs, accuracy, room requirements, and price. No hype — just the parts of the decision a buyer actually weighs.
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More comparisons with the LK935 and ZU607TST
Buy LK935
Prices confirmed Nov 10, 2026 · we check every retailer daily
Buy ZU607TST
Prices confirmed Nov 10, 2026 · we check every retailer daily
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Full specificationsEvery spec for both, line by line
Specifications
The numbers, lined up.
Image
| Spec | LK935 | ZU607TST |
|---|---|---|
| Resolution | 4K UHD (3840×2160) | WUXGA (1920×1200), 16:10 |
| Lumens | 5,500 ANSI | 6,000 (standard not stated) |
- ResolutionLK9354K UHD (3840×2160)ZU607TSTWUXGA (1920×1200), 16:10
- LumensLK9355,500 ANSIZU607TST6,000 (standard not stated)
Hardware
| Spec | LK935 | ZU607TST |
|---|---|---|
| Light Source | Laser (20,000 hours, normal mode) | Laser (30,000 hours) |
| Throw Ratio | 1.36–2.18 (1.6× manual zoom) | 0.58:1 (fixed) |
| Lens Shift | Vertical ±60%, horizontal ±23% (manual) | Vertical 100%–110%, horizontal ±4% (manual) |
| Dimensions | 16.38 × 13.83 × 6.56 in (W × D × H) | 14.72 × 11.89 × 4.61 in (W × D × H) |
- Light SourceLK935Laser (20,000 hours, normal mode)ZU607TSTLaser (30,000 hours)
- Throw RatioLK9351.36–2.18 (1.6× manual zoom)ZU607TST0.58:1 (fixed)
- Lens ShiftLK935Vertical ±60%, horizontal ±23% (manual)ZU607TSTVertical 100%–110%, horizontal ±4% (manual)
- DimensionsLK93516.38 × 13.83 × 6.56 in (W × D × H)ZU607TST14.72 × 11.89 × 4.61 in (W × D × H)
Requirements
| Spec | LK935 | ZU607TST |
|---|---|---|
| Throw Distance | 100 in at about 9.9–15.8 ft (BenQ's manual) | 100 in (16:10) at about 4.1 ft (Optoma's manual) |
- Throw DistanceLK935100 in at about 9.9–15.8 ft (BenQ's manual)ZU607TST100 in (16:10) at about 4.1 ft (Optoma's manual)
Performance
| Spec | LK935 | ZU607TST |
|---|---|---|
| Input Lag | 33.4 ms at 1080p/60Hz (BenQ) | 16.2 ms at 1080p/60Hz and 8.2 ms at 1080p/120Hz with Gaming Mode on; 49.5 ms with it off (Optoma's manual) |
- Input LagLK93533.4 ms at 1080p/60Hz (BenQ)ZU607TST16.2 ms at 1080p/60Hz and 8.2 ms at 1080p/120Hz with Gaming Mode on; 49.5 ms with it off (Optoma's manual)
Room planner
See each one in your sim room.
The planner draws each unit to scale with your room and your swing: where it mounts, the throw it needs, and whether your shadow crosses the light. Put in your room once, then switch units in the planner to compare.
Persona fitWho each one is better for
Who each one is better for
Honest persona fit, side by side.
Better for LK935
- Showroom
4K, 5,500 ANSI lumens and wide lens shift, mounted at the back of a deep room where it stays out of the way. The lens shift lets an installer square the image without keystone.
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