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  3. EH-QS100 vs HZ45UST

Epson EH-QS100 vs Optoma HZ45UST

What EH-QS100 does better (5) and where HZ45UST wins (3) — every spec side by side.

Epson EH-QS100
Epson · 2024EH-QS100
6.2Score
5 advantages≈ US$3,200
Higher score
vs
Optoma HZ45UST
Optoma · 2018HZ45UST
5.2Score
3 advantages≈ US$3,100
9.7Picture6.5
6.9Setup & placement2.9
2.5Noise, lifetime & portability6.3
Dimensions

Size comparison

EH-QS100HZ45UST
695 × 156341382 × 124310
EH-QS100HZ45USTDifference
Height156 mm124 mm+32 mm
Width695 mm382 mm+313 mm
Depth341 mm310 mm+31 mm
Weight12 kg5.6 kg+6.4 kg

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

Why is EH-QS100 better than HZ45UST?

  1. Resolution (on screen)3840 × 2160 (4K UHD) vs 1920 × 1080 (Full HD)
  2. Brightness (ANSI / ISO lumens)4,500 lm vs 4,200 lm+7%
  3. HDR supportYes · HZ45UST: No
  4. Contrast ratio (dynamic / claimed)5,000,000:1 vs 3,000,000:1+67%
  5. Largest image size160″ vs 102″+57%

Why is HZ45UST better than EH-QS100?

  1. Weight12 kg vs 5.6 kg2.1×
  2. Audio outputNo · EH-QS100: Yes
  3. Fan noise34 dB vs 30 dB+13%
Specifications

Side by side

Epson EH-QS100Epson EH-QS100≈ US$3,2006.2
Optoma HZ45USTOptoma HZ45UST≈ US$3,1005.2
Picture
Resolution (on screen)3840 × 2160 (4K UHD)1920 × 1080 (Full HD)
Native panel resolution1920 × 1080 (Full HD)1920 × 1080 (Full HD)
4K method4K by pixel shifting—
Display technology3LCDDLP
Light sourceLaserLaser
Brightness (ANSI / ISO lumens)4,500 lm4,200 lm
Contrast ratio (dynamic / claimed)5,000,000:13,000,000:1
HDR supportYesNo
HDR formatsHDR10—
3D playback—Yes
Gaming
Maximum refresh rate—120 Hz
Lens & placement
Throw ratio0.16:10.25:1
Throw ratio (zoomed in)0.22:1—
Throw typeUltra short throw (under 0.4:1)Ultra short throw (under 0.4:1)
Distance for a 100″ 16:9 image0.35 m0.55 m
Smallest image size80″87″
Largest image size160″102″
Lens shiftNoneNone
AutofocusNo—
Keystone correction—Yes
Automatic keystone correction—No
Sound
Built-in speakers (total output)—10 W
Smart & streaming
Wi-Fi—Yes
Connectivity
HDMI inputs22
HDMI version—1.4
USB portYesYes
Ethernet (LAN)YesYes
VGA inputNoYes
Audio outputNoYes
Battery, power & lifetime
Power consumption333 W330 W
Light source life20,000 h20,000 h
Light source life (eco mode)20,000 h—
Design & noise
Fan noise34 dB30 dB
Fan noise (eco mode)20 dB—
Weight12 kg5.6 kg
Width695 mm382 mm
Height156 mm124 mm
Depth341 mm310 mm
Colours—White
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