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  3. EF-100 vs UHD35x

Epson EF-100 vs Optoma UHD35x

What EF-100 does better (5) and where UHD35x wins (7) — every spec side by side.

Epson EF-100
Epson · 2019EF-100
7.0Score
5 advantages≈ US$1,350
vs
Optoma UHD35x
Optoma · 2022UHD35x
7.0Score
7 advantages≈ US$1,400
Higher score
3.4Picture7.8
7.3Setup & placement7.0
9.0Noise, lifetime & portability4.4
Dimensions

Size comparison

EF-100UHD35x
210 × 92230315 × 118270
EF-100UHD35xDifference
Height92 mm118 mm−26 mm
Width210 mm315 mm−105 mm
Depth230 mm270 mm−40 mm
Weight2.7 kg3.9 kg−1.2 kg

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

Why is EF-100 better than UHD35x?

  1. Automatic keystone correctionYes · UHD35x: No
  2. Contrast ratio (dynamic / claimed)2,500,000:1 vs 1,000,000:12.5×
  3. Power consumption172 W vs 305 W+77%
  4. Weight2.7 kg vs 3.9 kg+44%
  5. Optical zoom1.35× vs 1.1×+23%

Why is UHD35x better than EF-100?

  1. Brightness (ANSI / ISO lumens)2,000 lm vs 3,500 lm+75%
  2. Resolution (on screen)1280 × 720 (HD) vs 3840 × 2160 (4K UHD)
  3. Built-in speakers (total output)5 W vs 10 W2×
  4. Largest image size150″ vs 302″2×
  5. Native panel resolution1280 × 720 (HD) vs 1920 × 1080 (Full HD)
  6. HDMI inputs1 vs 22×
  7. Fan noise29 dB vs 28 dB+4%
Specifications

Side by side

Epson EF-100Epson EF-100≈ US$1,3507.0
Optoma UHD35xOptoma UHD35x≈ US$1,4007.0
Picture
Resolution (on screen)1280 × 720 (HD)3840 × 2160 (4K UHD)
Native panel resolution1280 × 720 (HD)1920 × 1080 (Full HD)
4K method—4K by pixel shifting
Display technology3LCDDLP
Light sourceLaser—
Brightness (ANSI / ISO lumens)2,000 lm3,500 lm
Contrast ratio (dynamic / claimed)2,500,000:11,000,000:1
HDR support—Yes
Motion interpolation (MEMC)—Yes
3D playbackYesYes
Gaming
Maximum refresh rate—120 Hz
Game / low-latency mode—Yes
Lens & placement
Throw ratio1.04:11.5:1
Throw ratio (zoomed in)1.4:11.66:1
Throw typeStandard throw (1.0:1 and longer)Standard throw (1.0:1 and longer)
Distance for a 100″ 16:9 image2.3 m3.32 m
Smallest image size30″33″
Largest image size150″302″
Optical zoom1.35×1.1×
Lens shift—Vertical
Keystone correctionYesYes
Automatic keystone correctionYesNo
Sound
Built-in speakers (total output)5 W10 W
Smart & streaming
BluetoothYes—
Connectivity
HDMI inputs12
HDMI version—2
USB portYesYes
Ethernet (LAN)—No
VGA input—Yes
Audio output—Yes
Battery, power & lifetime
Power consumption172 W305 W
Light source life—4,000 h
Light source life (eco mode)—15,000 h
Design & noise
Fan noise29 dB28 dB
Fan noise (eco mode)26 dB26 dB
Weight2.7 kg3.9 kg
Width210 mm315 mm
Height92 mm118 mm
Depth230 mm270 mm
Colours—White
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