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  3. HU85LS vs HZ45UST

LG HU85LS vs Optoma HZ45UST

What HU85LS does better (4) and where HZ45UST wins (4) — every spec side by side.

LG HU85LS
LG · 2019HU85LS
6.1Score
4 advantages
Higher score
vs
Optoma HZ45UST
Optoma · 2018HZ45UST
5.2Score
4 advantages≈ US$3,100
6.4Picture6.5
9.4Setup & placement2.9
3.7Noise, lifetime & portability6.3
Dimensions

Size comparison

HU85LSHZ45UST
680 × 347128382 × 124310
HU85LSHZ45USTDifference
Height347 mm124 mm+223 mm
Width680 mm382 mm+298 mm
Depth128 mm310 mm−182 mm
Weight12.2 kg5.6 kg+6.6 kg

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

Why is HU85LS better than HZ45UST?

  1. Resolution (on screen)3840 × 2160 (4K UHD) vs 1920 × 1080 (Full HD)
  2. Automatic keystone correctionYes · HZ45UST: No
  3. HDR supportYes · HZ45UST: No
  4. Largest image size120″ vs 102″+18%

Why is HZ45UST better than HU85LS?

  1. Brightness (ANSI / ISO lumens)2,700 lm vs 4,200 lm+56%
  2. Weight12.2 kg vs 5.6 kg2.2×
  3. Contrast ratio (dynamic / claimed)2,000,000:1 vs 3,000,000:1+50%
  4. Power consumption350 W vs 330 W+6%
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)2,700 lm4,200 lm
Contrast ratio (dynamic / claimed)2,000,000:13,000,000:1
HDR supportYesNo
HDR formatsHDR10—
Motion interpolation (MEMC)Yes—
3D playback—Yes
Gaming
Maximum refresh rate—120 Hz
Lens & placement
Throw ratio0.19:10.25:1
Throw typeUltra short throw (under 0.4:1)Ultra short throw (under 0.4:1)
Distance for a 100″ 16:9 image0.42 m0.55 m
Smallest image size90″87″
Largest image size120″102″
Lens shiftNoneNone
AutofocusYes—
Keystone correctionYesYes
Automatic keystone correctionYesNo
Sound
Built-in speakers (total output)10 W10 W
Smart & streaming
Smart platformwebOS (LG)—
Built-in smart platformYes—
Netflix (officially licensed)Yes—
Wi-FiYesYes
BluetoothYes—
Connectivity
HDMI inputs22
HDMI version—1.4
USB portYesYes
Ethernet (LAN)YesYes
VGA inputNoYes
Audio outputYesYes
Battery, power & lifetime
Power consumption350 W330 W
Light source life20,000 h20,000 h
Design & noise
Fan noise30 dB30 dB
Fan noise (eco mode)26 dB—
Weight12.2 kg5.6 kg
Width680 mm382 mm
Height347 mm124 mm
Depth128 mm310 mm
ColoursWhiteWhite
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