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BenQ AH500ST vs ViewSonic LX750-4KB

What AH500ST does better (1) and where LX750-4KB wins (2) — every spec side by side.

BenQ AH500ST
BenQ · 2026AH500ST
6.1Score
1 advantage
vs
ViewSonic LX750-4KB
ViewSonic · 2026LX750-4KB
8.1Score
2 advantages
Higher score
7.7Picture9.1
Dimensions

Size comparison

AH500STLX750-4KB
320 × 131255312 × 104234
AH500STLX750-4KBDifference
Height131 mm104 mm+27 mm
Width320 mm312 mm+8 mm
Depth255 mm234 mm+21 mm

Drawn to the same scale from the official dimensions (front and side).

Why is AH500ST better than LX750-4KB?

  1. HDMI inputs2 vs 12×

Why is LX750-4KB better than AH500ST?

  1. Resolution (on screen)1920 × 1080 (Full HD) vs 3840 × 2160 (4K UHD)
  2. Maximum refresh rate120 Hz vs 240 Hz2×
Specifications

Side by side

Picture
Resolution (on screen)1920 × 1080 (Full HD)3840 × 2160 (4K UHD)
Native panel resolution1920 × 1080 (Full HD)1920 × 1080 (Full HD)
4K method—4K by pixel shifting
Display technologyDLPDLP
Light sourceLaserLaser
Brightness (ANSI / ISO lumens)4,000 lm4,000 lm
Native contrast ratio3,000,000:1—
HDR supportYes—
HDR formatsHDR10, HLG—
Colour gamut (Rec.709)83%—
Gaming
Input lag16.7 ms—
Maximum refresh rate120 Hz240 Hz
Lens & placement
Throw ratio0.5:1—
Throw typeShort throw (0.4–1.0:1)—
Distance for a 100″ 16:9 image1.11 m—
Largest image size—300″
Autofocus—No
Keystone correctionYes—
Automatic keystone correctionNo—
Sound
Built-in speakers (total output)10 W—
Smart & streaming
Internal storage—8 GB
Connectivity
HDMI inputs21
HDMI version—2
USB portNoNo
Ethernet (LAN)NoNo
VGA inputNoNo
Audio outputNoNo
Battery, power & lifetime
Power consumption250 W—
Light source life20,000 h20,000 h
Design & noise
Fan noise—33 dB
Fan noise (eco mode)—27 dB
Weight—3.5 kg
Width320 mm312 mm
Height131 mm104 mm
Depth255 mm234 mm
ColoursBlackWhite
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