How we score Blog Advertise
  1. Attenborough.film
  2. Compare
  3. UZ38X vs LSD500HD

Optoma UZ38X vs ViewSonic LSD500HD

What UZ38X does better (4) and where LSD500HD wins (1) — every spec side by side.

Optoma UZ38X
Optoma · 2026UZ38X
7.9Score
4 advantages≈ US$1,050
Higher score
vs
ViewSonic LSD500HD
ViewSonic · 2026LSD500HD
1 advantage≈ US$1,100
8.6Picture8.2

Why is UZ38X better than LSD500HD?

  1. Resolution (on screen)3840 × 2160 (4K UHD) vs 1920 × 1080 (Full HD)
  2. Light source life30,000 h vs 5,500 h5.5×
  3. HDMI inputs2 vs 12×
  4. Audio outputYes · LSD500HD: No

Why is LSD500HD better than UZ38X?

  1. Brightness (ANSI / ISO lumens)3,800 lm vs 5,500 lm+45%
Specifications

Side by side

Optoma UZ38XOptoma UZ38X≈ US$1,0507.9
ViewSonic LSD500HDViewSonic LSD500HD≈ US$1,100
Picture
Resolution (on screen)3840 × 2160 (4K UHD)1920 × 1080 (Full HD)
Native panel resolution1920 × 1080 (Full HD)1920 × 1080 (Full HD)
4K method4K by pixel shifting—
Display technologyDLPDLP
Light sourceLaserLaser
Brightness (ANSI / ISO lumens)3,800 lm5,500 lm
Contrast ratio (dynamic / claimed)1,500,000:1—
Lens & placement
Throw ratio1.21:1—
Throw ratio (zoomed in)1.59:1—
Throw typeStandard throw (1.0:1 and longer)—
Distance for a 100″ 16:9 image2.68 m—
Smallest image size28″—
Largest image size300″—
Optical zoom1.3×—
Keystone correctionYes—
Automatic keystone correctionNo—
Sound
Built-in speakers (total output)15 W—
Connectivity
HDMI inputs21
HDMI version2—
USB portYesYes
Ethernet (LAN)NoNo
VGA inputNoNo
Audio outputYesNo
Battery, power & lifetime
Light source life30,000 h5,500 h
Design & noise
Fan noise33 dB—
Fan noise (eco mode)28 dB—
Weight3.4 kg—
Width238 mm—
Height130 mm—
Depth215 mm—
ColoursBlackWhite
To compare: 0up to 4 models
Compare