Comparison
LK936ST vs ProBeam BU53RG
A side-by-side look at how the BenQ LK936ST and LG ProBeam BU53RG compare on specs, accuracy, room requirements, and price. No hype — just the parts of the decision a buyer actually weighs.
Laser light source with 20,000+ hour life means no lamp replacements. The premium projector for premium builds.
Commercial-grade 4K laser with lens shift. The showroom alternate when off-axis mounting is unavoidable.
Buy LK936ST
Specifications
The numbers, lined up.
Image
| Spec | LK936ST | ProBeam BU53RG |
|---|---|---|
| Resolution | True 4K (3840×2160) | 4K UHD (XPR pixel-shift) |
| Lumens | 5,100 | 5,000 ANSI |
| HDR | HDR10, HLG | HDR10 + HLG |
- ResolutionLK936STTrue 4K (3840×2160)ProBeam BU53RG4K UHD (XPR pixel-shift)
- LumensLK936ST5,100ProBeam BU53RG5,000 ANSI
- HDRLK936STHDR10, HLGProBeam BU53RGHDR10 + HLG
Hardware
| Spec | LK936ST | ProBeam BU53RG |
|---|---|---|
| Light Source | Laser (20,000+ hours) | Laser (20,000 hours) |
| Throw Ratio | 0.81–0.89 (short-throw) | 0.94 (1.2× zoom) |
| Lens Shift | — | Horizontal + Vertical |
- Light SourceLK936STLaser (20,000+ hours)ProBeam BU53RGLaser (20,000 hours)
- Throw RatioLK936ST0.81–0.89 (short-throw)ProBeam BU53RG0.94 (1.2× zoom)
- Lens ShiftLK936ST—ProBeam BU53RGHorizontal + Vertical
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
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.