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  3. ApexVision L811 vs HZ45UST

Acer ApexVision L811 vs Optoma HZ45UST

What ApexVision L811 does better (5) and where HZ45UST wins (4) — every spec side by side.

Acer ApexVision L811
Acer · 2021ApexVision L811
5.6Score
5 advantages
Higher score
vs
Optoma HZ45UST
Optoma · 2018HZ45UST
5.2Score
4 advantages≈ US$3,100
8.0Picture6.5
6.2Setup & placement2.9
3.2Noise, lifetime & portability6.3
Dimensions

Size comparison

ApexVision L811HZ45UST
429 × 158389382 × 124310
ApexVision L811HZ45USTDifference
Height158 mm124 mm+34 mm
Width429 mm382 mm+47 mm
Depth389 mm310 mm+79 mm
Weight7.7 kg5.6 kg+2.1 kg

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

Why is ApexVision L811 better than HZ45UST?

  1. Resolution (on screen)3840 × 2160 (4K UHD) vs 1920 × 1080 (Full HD)
  2. Maximum refresh rate240 Hz vs 120 Hz2×
  3. Built-in speakers (total output)20 W vs 10 W2×
  4. HDR supportYes · HZ45UST: No
  5. Largest image size150″ vs 102″+47%

Why is HZ45UST better than ApexVision L811?

  1. Brightness (ANSI / ISO lumens)3,000 lm vs 4,200 lm+40%
  2. Contrast ratio (dynamic / claimed)2,000,000:1 vs 3,000,000:1+50%
  3. Weight7.7 kg vs 5.6 kg+38%
  4. Power consumption370 W vs 330 W+12%
Specifications

Side by side

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 technologyDLPDLP
Light sourceLaserLaser
Brightness (ANSI / ISO lumens)3,000 lm4,200 lm
Contrast ratio (dynamic / claimed)2,000,000:13,000,000:1
HDR supportYesNo
3D playbackYesYes
Gaming
Maximum refresh rate240 Hz120 Hz
Lens & placement
Throw ratio0.25:10.25:1
Throw typeUltra short throw (under 0.4:1)Ultra short throw (under 0.4:1)
Distance for a 100″ 16:9 image0.55 m0.55 m
Smallest image size60″87″
Largest image size150″102″
Lens shiftNoneNone
Keystone correctionYesYes
Automatic keystone correctionNoNo
Sound
Built-in speakers (total output)20 W10 W
Smart & streaming
Built-in smart platformYes—
Wi-FiYesYes
BluetoothYes—
Connectivity
HDMI inputs22
HDMI version—1.4
USB portYesYes
Ethernet (LAN)YesYes
VGA inputNoYes
Audio outputYesYes
Battery, power & lifetime
Power consumption370 W330 W
Light source life20,000 h20,000 h
Light source life (eco mode)30,000 h—
Design & noise
Fan noise—30 dB
Weight7.7 kg5.6 kg
Width429 mm382 mm
Height158 mm124 mm
Depth389 mm310 mm
ColoursWhiteWhite
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