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  3. UZ38X vs X1-4K Pro

Optoma UZ38X vs ViewSonic X1-4K Pro

What UZ38X does better (4) and where X1-4K Pro wins (1) — every spec side by side.

Optoma UZ38X
Optoma · 2026UZ38X
7.9Score
4 advantages≈ US$1,050
Higher score
vs
ViewSonic X1-4K Pro
ViewSonic · 2026X1-4K Pro
7.7Score
1 advantage≈ US$1,350
8.6Picture5.6
6.4Noise, lifetime & portability7.7
Dimensions

Size comparison

UZ38XX1-4K Pro
238 × 130215355 × 121244
UZ38XX1-4K ProDifference
Height130 mm121 mm+9 mm
Width238 mm355 mm−117 mm
Depth215 mm244 mm−29 mm
Weight3.4 kg3.7 kg−0.3 kg

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

Why is UZ38X better than X1-4K Pro?

  1. Brightness (ANSI / ISO lumens)3,800 lm vs 2,500 lm+52%
  2. HDMI inputs2 vs 0
  3. Audio outputYes · X1-4K Pro: No
  4. Weight3.4 kg vs 3.68 kg+8%

Why is X1-4K Pro better than UZ38X?

  1. Light source life30,000 h vs 60,000 h2×
Specifications

Side by side

Optoma UZ38XOptoma UZ38X≈ US$1,0507.9
ViewSonic X1-4K ProViewSonic X1-4K Pro≈ US$1,3507.7
Picture
Resolution (on screen)3840 × 2160 (4K UHD)3840 × 2160 (4K UHD)
Native panel resolution1920 × 1080 (Full HD)1920 × 1080 (Full HD)
4K method4K by pixel shifting4K by pixel shifting
Display technologyDLPDLP
Light sourceLaserLED
Brightness (ANSI / ISO lumens)3,800 lm2,500 lm
Contrast ratio (dynamic / claimed)1,500,000:1—
Gaming
Maximum refresh rate—240 Hz
Lens & placement
Throw ratio1.21:11.1:1
Throw ratio (zoomed in)1.59:1—
Throw typeStandard throw (1.0:1 and longer)Standard throw (1.0:1 and longer)
Distance for a 100″ 16:9 image2.68 m2.44 m
Smallest image size28″—
Largest image size300″—
Optical zoom1.3×—
Keystone correctionYes—
Automatic keystone correctionNo—
Sound
Built-in speakers (total output)15 W—
Smart & streaming
Smart platform—Google TV
Built-in smart platform—Yes
Netflix (officially licensed)—Yes
Chromecast built-in—Yes
Connectivity
HDMI inputs20
HDMI version22
USB portYesYes
Ethernet (LAN)NoNo
VGA inputNoNo
Audio outputYesNo
Battery, power & lifetime
Power consumption—236 W
Light source life30,000 h60,000 h
Design & noise
Fan noise33 dB33 dB
Fan noise (eco mode)28 dB—
Weight3.4 kg3.68 kg
Width238 mm355 mm
Height130 mm121 mm
Depth215 mm244 mm
ColoursBlackGreen
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