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  3. UHD35STx vs UHD55

Optoma UHD35STx vs Optoma UHD55

What UHD35STx does better (0) and where UHD55 wins (2) — every spec side by side.

Optoma UHD35STx
Optoma · 2022UHD35STx
7.7Score
0 advantages≈ US$1,650
Higher score
vs
Optoma UHD55
Optoma · 2022UHD55
7.2Score
2 advantages≈ US$1,850
8.1Picture8.4
4.2Noise, lifetime & portability4.1

Why is UHD35STx better than UHD55?

UHD35STx has no measurable advantages in this pair.

Why is UHD55 better than UHD35STx?

  1. Ethernet (LAN)No · UHD35STx: Yes
  2. Contrast ratio (dynamic / claimed)1,000,000:1 vs 1,200,000:1+20%
Specifications

Side by side

Optoma UHD35STxOptoma UHD35STx≈ US$1,6507.7
Optoma UHD55Optoma UHD55≈ US$1,8507.2
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
Brightness (ANSI / ISO lumens)3,600 lm3,600 lm
Contrast ratio (dynamic / claimed)1,000,000:11,200,000:1
HDR supportYesYes
HDR formats—HLG
Motion interpolation (MEMC)Yes—
3D playbackYesYes
Gaming
Maximum refresh rate120 Hz—
Game / low-latency modeYes—
Lens & placement
Throw ratio1.5:11.21:1
Throw ratio (zoomed in)1.66:11.59:1
Throw typeStandard throw (1.0:1 and longer)Standard throw (1.0:1 and longer)
Distance for a 100″ 16:9 image3.32 m2.68 m
Smallest image size33″—
Largest image size302″300″
Lens shiftVerticalVertical
Keystone correctionYes—
Automatic keystone correctionNo—
Sound
Built-in speakers (total output)10 W10 W
Connectivity
HDMI inputs22
HDMI version22
USB portYesYes
Ethernet (LAN)NoYes
VGA inputNoYes
Audio outputYesYes
Battery, power & lifetime
Power consumption320 W317 W
Light source life4,000 h4,000 h
Light source life (eco mode)15,000 h10,000 h
Design & noise
Fan noise28 dB28 dB
Fan noise (eco mode)24 dB25 dB
Weight3.5 kg—
Width315 mm—
Height118 mm—
Depth270 mm—
ColoursWhiteWhite
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