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  3. X3100i vs UHZ35ST

BenQ X3100i vs Optoma UHZ35ST

What X3100i does better (3) and where UHZ35ST wins (6) — every spec side by side.

BenQ X3100i
BenQ · 2023X3100i
8.2Score
3 advantages≈ US$2,300
vs
Optoma UHZ35ST
Optoma · 2023UHZ35ST
9.1Score
6 advantages≈ US$1,850
Higher score
8.0Picture8.0
8.3Gaming & inputs8.9
9.4Setup & placement4.3
3.8Noise, lifetime & portability8.8
Dimensions

Size comparison

X3100iUHZ35ST
272 × 213259274 × 114216
X3100iUHZ35STDifference
Height213 mm114 mm+99 mm
Width272 mm274 mm−2 mm
Depth259 mm216 mm+43 mm
Weight6.8 kg3 kg+3.8 kg

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

Why is X3100i better than UHZ35ST?

  1. Lens shiftVertical vs None
  2. Automatic keystone correctionYes · UHZ35ST: No
  3. Contrast ratio (dynamic / claimed)600,000:1 vs 500,000:1+20%

Why is UHZ35ST better than X3100i?

  1. Brightness (ANSI / ISO lumens)3,300 lm vs 3,500 lm+6%
  2. Built-in speakers (total output)10 W vs 15 W+50%
  3. Light source life20,000 h vs 30,000 h+50%
  4. Weight6.8 kg vs 3 kg2.3×
  5. Power consumption330 W vs 185 W+78%
  6. Fan noise32 dB vs 30 dB+7%
Specifications

Side by side

BenQ X3100iBenQ X3100i≈ US$2,3008.2
Optoma UHZ35STOptoma UHZ35ST≈ US$1,8509.1
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 sourceLEDLaser
Brightness (ANSI / ISO lumens)3,300 lm3,500 lm
Contrast ratio (dynamic / claimed)600,000:1500,000:1
HDR supportYesYes
HDR formatsHDR10—
Colour gamut (Rec.709)95%—
Colour gamut (DCI-P3)100%—
3D playbackYesYes
Gaming
Input lag4.2 ms—
Maximum refresh rate240 Hz240 Hz
Game / low-latency modeYes—
Lens & placement
Throw ratio1.15:10.5:1
Throw ratio (zoomed in)1.5:1—
Throw typeStandard throw (1.0:1 and longer)Short throw (0.4–1.0:1)
Distance for a 100″ 16:9 image2.55 m1.11 m
Smallest image size—36″
Largest image size—300″
Optical zoom1.3×—
Lens shiftVerticalNone
Keystone correctionYesYes
Automatic keystone correctionYesNo
Sound
Built-in speakers (total output)10 W15 W
Dolby AtmosYes—
Smart & streaming
Smart platformAndroid TV—
Built-in smart platformYes—
Wi-FiYesYes
BluetoothYes—
AirPlayYes—
Chromecast built-inYes—
Connectivity
HDMI inputs22
HDMI version—2
HDMI eARCYesYes
USB portYesYes
Ethernet (LAN)NoNo
VGA inputNoNo
Audio outputYesYes
Battery, power & lifetime
Power consumption330 W185 W
Light source life20,000 h30,000 h
Light source life (eco mode)30,000 h—
Design & noise
Fan noise32 dB30 dB
Fan noise (eco mode)28 dB28 dB
Weight6.8 kg3 kg
Width272 mm274 mm
Height213 mm114 mm
Depth259 mm216 mm
ColoursWhiteWhite
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