Comparison
LH860ST vs ZH451ST
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A side-by-side look at how the BenQ LH860ST and Optoma ZH451ST 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 LH860ST and ZH451ST
Buy LH860ST
Prices confirmed Nov 10, 2026 · we check every retailer daily
Buy ZH451ST
Prices confirmed Nov 10, 2026 · we check every retailer daily
When you buy through links on Northcourse, we may earn a commission at no additional cost to you. Read the full affiliate disclosure
Full specificationsEvery spec for both, line by line
Specifications
The numbers, lined up.
Image
| Spec | LH860ST | ZH451ST |
|---|---|---|
| Resolution | 1080p (1920×1080) | 1080p (1920×1080) |
| Lumens | 5,000 ANSI | 4,200 (ISO 21118) |
| Picture Mode | Simulation mode (BenQ's golf site calls it Golf Mode) | — |
- ResolutionLH860ST1080p (1920×1080)ZH451ST1080p (1920×1080)
- LumensLH860ST5,000 ANSIZH451ST4,200 (ISO 21118)
- Picture ModeLH860STSimulation mode (BenQ's golf site calls it Golf Mode)ZH451ST—
Hardware
| Spec | LH860ST | ZH451ST |
|---|---|---|
| Light Source | Laser (20,000 hours normal, 30,000 eco) | Laser (30,000 hours) |
| Throw Ratio | 0.5:1 (fixed) | 0.496:1 (fixed) |
| Offset | 105% (±3%, BenQ's datasheet); no lens shift | 116% (±5%); no lens shift |
| Dimensions | 13.54 × 10.45 × 5.35 in (W × D × H) | 10.79 × 8.5 × 4.49 in (W × D × H) |
- Light SourceLH860STLaser (20,000 hours normal, 30,000 eco)ZH451STLaser (30,000 hours)
- Throw RatioLH860ST0.5:1 (fixed)ZH451ST0.496:1 (fixed)
- OffsetLH860ST105% (±3%, BenQ's datasheet); no lens shiftZH451ST116% (±5%); no lens shift
- DimensionsLH860ST13.54 × 10.45 × 5.35 in (W × D × H)ZH451ST10.79 × 8.5 × 4.49 in (W × D × H)
Requirements
| Spec | LH860ST | ZH451ST |
|---|---|---|
| Throw Distance | 100 in at about 3.6 ft (BenQ's manual) | 100 in at about 3.6 ft (Optoma's manual) |
- Throw DistanceLH860ST100 in at about 3.6 ft (BenQ's manual)ZH451ST100 in at about 3.6 ft (Optoma's manual)
Performance
| Spec | LH860ST | ZH451ST |
|---|---|---|
| Input Lag | 16.7 ms at 1080p/60Hz; 8.4 ms at 1080p/120Hz; 6 ms at 1080p/240Hz (BenQ) | — |
- Input LagLH860ST16.7 ms at 1080p/60Hz; 8.4 ms at 1080p/120Hz; 6 ms at 1080p/240Hz (BenQ)ZH451ST—
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 LH860ST
- Space-Constrained
5,000 ANSI lumens from a 0.5 throw in a 13.5-inch cabinet: the bright answer for a tight room that cannot be fully darkened.
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