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  3. UHZ66 vs UZ38X

Optoma UHZ66 vs Optoma UZ38X

What UHZ66 does better (5) and where UZ38X wins (1) — every spec side by side.

Optoma UHZ66
Optoma · 2023UHZ66
9.4Score
5 advantages≈ US$1,250
Higher score
vs
Optoma UZ38X
Optoma · 2026UZ38X
7.9Score
1 advantage≈ US$1,050
8.9Picture8.6
6.1Setup & placement4.6
8.8Noise, lifetime & portability6.4
Dimensions

Size comparison

UHZ66UZ38X
274 × 114216238 × 130215
UHZ66UZ38XDifference
Height114 mm130 mm−16 mm
Width274 mm238 mm+36 mm
Depth216 mm215 mm+1 mm
Weight3 kg3.4 kg−0.4 kg

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

Why is UHZ66 better than UZ38X?

  1. Brightness (ANSI / ISO lumens)4,000 lm vs 3,800 lm+5%
  2. Ethernet (LAN)Yes · UZ38X: No
  3. Fan noise30 dB vs 33 dB+10%
  4. Optical zoom1.6× vs 1.3×+23%
  5. Weight3 kg vs 3.4 kg+13%

Why is UZ38X better than UHZ66?

  1. Contrast ratio (dynamic / claimed)500,000:1 vs 1,500,000:13×
Specifications

Side by side

Optoma UHZ66Optoma UHZ66≈ US$1,2509.4
Optoma UZ38XOptoma UZ38X≈ US$1,0507.9
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 sourceLaserLaser
Brightness (ANSI / ISO lumens)4,000 lm3,800 lm
Contrast ratio (dynamic / claimed)500,000:11,500,000:1
HDR supportYes—
Gaming
Maximum refresh rate240 Hz—
Game / low-latency modeYes—
Lens & placement
Throw ratio1.4:11.21:1
Throw ratio (zoomed in)2.24:11.59:1
Throw typeStandard throw (1.0:1 and longer)Standard throw (1.0:1 and longer)
Distance for a 100″ 16:9 image3.1 m2.68 m
Smallest image size26″28″
Largest image size303″300″
Optical zoom1.6×1.3×
Lens shiftNone—
Keystone correctionYesYes
Automatic keystone correctionNoNo
Sound
Built-in speakers (total output)15 W15 W
Connectivity
HDMI inputs22
HDMI version22
HDMI eARCYes—
USB portYesYes
Ethernet (LAN)YesNo
VGA inputNoNo
Audio outputYesYes
Battery, power & lifetime
Power consumption185 W—
Light source life30,000 h30,000 h
Design & noise
Fan noise30 dB33 dB
Fan noise (eco mode)28 dB28 dB
Weight3 kg3.4 kg
Width274 mm238 mm
Height114 mm130 mm
Depth216 mm215 mm
ColoursWhiteBlack
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