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  3. 4K400x vs UHZ66

Optoma 4K400x vs Optoma UHZ66

What 4K400x does better (2) and where UHZ66 wins (6) — every spec side by side.

Optoma 4K400x
Optoma · 20224K400x
6.5Score
2 advantages≈ US$1,350
vs
Optoma UHZ66
Optoma · 2023UHZ66
9.4Score
6 advantages≈ US$1,250
Higher score
8.7Picture8.9
5.9Gaming & inputs8.9
4.3Setup & placement6.1
4.7Noise, lifetime & portability8.8
Dimensions

Size comparison

4K400xUHZ66
315 × 118270274 × 114216
4K400xUHZ66Difference
Height118 mm114 mm+4 mm
Width315 mm274 mm+41 mm
Depth270 mm216 mm+54 mm
Weight3.5 kg3 kg+0.5 kg

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

Why is 4K400x better than UHZ66?

  1. Contrast ratio (dynamic / claimed)1,000,000:1 vs 500,000:12×
  2. Fan noise28 dB vs 30 dB+7%

Why is UHZ66 better than 4K400x?

  1. Light source life4,000 h vs 30,000 h7.5×
  2. Maximum refresh rate120 Hz vs 240 Hz2×
  3. Built-in speakers (total output)10 W vs 15 W+50%
  4. Ethernet (LAN)No · 4K400x: Yes
  5. Power consumption305 W vs 185 W+65%
  6. Weight3.5 kg vs 3 kg+17%
Specifications

Side by side

Optoma 4K400xOptoma 4K400x≈ US$1,3506.5
Optoma UHZ66Optoma UHZ66≈ US$1,2509.4
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 source—Laser
Brightness (ANSI / ISO lumens)4,000 lm4,000 lm
Contrast ratio (dynamic / claimed)1,000,000:1500,000:1
HDR supportYesYes
Motion interpolation (MEMC)Yes—
3D playbackYes—
Gaming
Maximum refresh rate120 Hz240 Hz
Game / low-latency modeYesYes
Lens & placement
Throw ratio1.5:11.4:1
Throw ratio (zoomed in)1.66:12.24:1
Throw typeStandard throw (1.0:1 and longer)Standard throw (1.0:1 and longer)
Distance for a 100″ 16:9 image3.32 m3.1 m
Smallest image size33″26″
Largest image size300″303″
Optical zoom—1.6×
Lens shiftNoneNone
Keystone correctionYesYes
Automatic keystone correctionNoNo
Sound
Built-in speakers (total output)10 W15 W
Connectivity
HDMI inputs22
HDMI version22
HDMI eARC—Yes
USB portYesYes
Ethernet (LAN)NoYes
VGA inputNoNo
Audio outputYesYes
Battery, power & lifetime
Power consumption305 W185 W
Light source life4,000 h30,000 h
Light source life (eco mode)15,000 h—
Design & noise
Fan noise28 dB30 dB
Fan noise (eco mode)26 dB28 dB
Weight3.5 kg3 kg
Width315 mm274 mm
Height118 mm114 mm
Depth270 mm216 mm
ColoursWhiteWhite
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