Comparison
AK900ST vs ProBeam BU53RG
A side-by-side look at how the BenQ AK900ST and LG ProBeam BU53RG compare on specs, accuracy, room requirements, and price. No hype — just the parts of the decision a buyer actually weighs.
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Prices confirmed Oct 19, 2026 · we check every retailer daily
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Specifications
The numbers, lined up.
Image
| Spec | AK900ST | ProBeam BU53RG |
|---|---|---|
| Resolution | 4K UHD (3840×2160) | 4K UHD (XPR pixel-shift) |
| Lumens | 6,000 ANSI | 5,000 ANSI |
| Color | 97% Rec. 709; Golf, Bright Golf and HDR Golf picture modes | — |
| HDR | — | HDR10 + HLG |
- ResolutionAK900ST4K UHD (3840×2160)ProBeam BU53RG4K UHD (XPR pixel-shift)
- LumensAK900ST6,000 ANSIProBeam BU53RG5,000 ANSI
- ColorAK900ST97% Rec. 709; Golf, Bright Golf and HDR Golf picture modesProBeam BU53RG—
- HDRAK900ST—ProBeam BU53RGHDR10 + HLG
Hardware
| Spec | AK900ST | ProBeam BU53RG |
|---|---|---|
| Light Source | Laser, IP5X sealed (20,000 hours; 30,000 Eco) | Laser (up to 15,000 hours) |
| Throw Ratio | 0.81–0.89 (1.1× motorized zoom) | 0.94–1.14 (1.2× zoom) |
| Lens Shift | V ±60% / H ±23% | H ±20% / V ±50% |
| Fan Noise | 34/29 dB (normal/eco, BenQ spec) | — |
| Weight | 10.2 kg (22.5 lb) | — |
- Light SourceAK900STLaser, IP5X sealed (20,000 hours; 30,000 Eco)ProBeam BU53RGLaser (up to 15,000 hours)
- Throw RatioAK900ST0.81–0.89 (1.1× motorized zoom)ProBeam BU53RG0.94–1.14 (1.2× zoom)
- Lens ShiftAK900STV ±60% / H ±23%ProBeam BU53RGH ±20% / V ±50%
- Fan NoiseAK900ST34/29 dB (normal/eco, BenQ spec)ProBeam BU53RG—
- WeightAK900ST10.2 kg (22.5 lb)ProBeam BU53RG—
Performance
| Spec | AK900ST | ProBeam BU53RG |
|---|---|---|
| Input Lag | 18.1 ms at 4K/60Hz; 4.8 ms at 1080p/240Hz | — |
- Input LagAK900ST18.1 ms at 4K/60Hz; 4.8 ms at 1080p/240HzProBeam BU53RG—
Software
| Spec | AK900ST | ProBeam BU53RG |
|---|---|---|
| Golf Features | Golf Mode 2.0, Auto Screen Fit 2.0 (flat and curved screens), autofocus, Golf Scene Memory (5 profiles) | — |
- Golf FeaturesAK900STGolf Mode 2.0, Auto Screen Fit 2.0 (flat and curved screens), autofocus, Golf Scene Memory (5 profiles)ProBeam BU53RG—
Who each one is better for
Both fit the same buyers.
Neither one wins a persona the other doesn’t. The choice comes down to specs, price, and room fit rather than buyer profile.
Both fit
- Showroom
- Performance Seeker
Also worth a look
More comparisons with the AK900ST and ProBeam BU53RG.
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