Comparison
TK710STi vs UHZ35ST
A side-by-side look at how the BenQ TK710STi and Optoma UHZ35ST compare on specs, accuracy, room requirements, and price. No hype — just the parts of the decision a buyer actually weighs.
Buy TK710STi
Specifications
The numbers, lined up.
Image
| Spec | TK710STi | UHZ35ST |
|---|---|---|
| Resolution | True 4K (3840×2160) | True 4K (3840×2160) |
| Lumens | 3,200 ANSI | 3,500 ANSI |
| HDR | HDR10 + HLG | HDR10 |
| Color | 95% Rec. 709 | — |
| Picture Mode | — | Golf Sim preset |
- ResolutionTK710STiTrue 4K (3840×2160)UHZ35STTrue 4K (3840×2160)
- LumensTK710STi3,200 ANSIUHZ35ST3,500 ANSI
- HDRTK710STiHDR10 + HLGUHZ35STHDR10
- ColorTK710STi95% Rec. 709UHZ35ST—
- Picture ModeTK710STi—UHZ35STGolf Sim preset
Hardware
| Spec | TK710STi | UHZ35ST |
|---|---|---|
| Light Source | Laser (20,000 hours) | Laser (30,000 hours) |
| Throw Ratio | 0.69–0.83 (1.2× zoom) | 0.50 (fixed) |
| Fan Noise | ~47 dB | ~30 dB |
- Light SourceTK710STiLaser (20,000 hours)UHZ35STLaser (30,000 hours)
- Throw RatioTK710STi0.69–0.83 (1.2× zoom)UHZ35ST0.50 (fixed)
- Fan NoiseTK710STi~47 dBUHZ35ST~30 dB
Performance
| Spec | TK710STi | UHZ35ST |
|---|---|---|
| Input Lag | 4ms @ 1080p/240Hz; 16.7ms @ 4K/60Hz | 4.4ms (fastest 4K in class) |
- Input LagTK710STi4ms @ 1080p/240Hz; 16.7ms @ 4K/60HzUHZ35ST4.4ms (fastest 4K in class)
Software
| Spec | TK710STi | UHZ35ST |
|---|---|---|
| Includes | Android TV dongle | — |
- IncludesTK710STiAndroid TV dongleUHZ35ST—
Who each one is better for
Honest persona fit, side by side.
Better for TK710STi
- Recreational Player
True 4K with laser life and HDR — the courses look genuinely impressive and the projector lasts the life of the room.
Better for UHZ35ST
- Space-Constrained
0.50 fixed throw fits tight rooms; same throw geometry as the GT2100HDR and AH500ST but in 4K.
Both fit
- Performance Seeker
- Family Setup
Build your simulator in two minutes
Five questions. One tailored build with retailer links.
We ask about your budget, your room, and how you’ll use it. We return a complete build — launch monitor, mat, enclosure, projector, software, PC — with the reasoning behind every pick and the alternatives we considered.

