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  3. H6815P vs UHD35

Acer H6815P vs Optoma UHD35

What H6815P does better (4) and where UHD35 wins (2) — every spec side by side.

Acer H6815P
Acer · 2023H6815P
7.6Score
4 advantages≈ US$700
Higher score
vs
Optoma UHD35
Optoma · 2021UHD35
7.0Score
2 advantages
8.3Picture7.8
5.0Gaming & inputs5.9
4.9Setup & placement7.0
8.2Noise, lifetime & portability4.4
Dimensions

Size comparison

H6815PUHD35
313 × 114240315 × 118270
H6815PUHD35Difference
Height114 mm118 mm−4 mm
Width313 mm315 mm−2 mm
Depth240 mm270 mm−30 mm
Weight3.1 kg3.9 kg−0.8 kg

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

Why is H6815P better than UHD35?

  1. Brightness (ANSI / ISO lumens)4,000 lm vs 3,500 lm+14%
  2. Optical zoom2× vs 1.1×+82%
  3. Fan noise26 dB vs 28 dB+8%
  4. Weight3.1 kg vs 3.9 kg+26%

Why is UHD35 better than H6815P?

  1. Lens shiftNone vs Vertical
  2. Contrast ratio (dynamic / claimed)10,000:1 vs 1,000,000:1100×
Specifications

Side by side

Acer H6815PAcer H6815P≈ US$7007.6
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 sourceLamp—
Brightness (ANSI / ISO lumens)4,000 lm3,500 lm
Contrast ratio (dynamic / claimed)10,000:11,000,000:1
HDR supportYesYes
HDR formatsHDR10—
Motion interpolation (MEMC)—Yes
3D playbackYesYes
Gaming
Maximum refresh rate120 Hz120 Hz
Game / low-latency mode—Yes
Lens & placement
Throw ratio1.5:11.5:1
Throw ratio (zoomed in)1.66:11.66:1
Throw typeStandard throw (1.0:1 and longer)Standard throw (1.0:1 and longer)
Distance for a 100″ 16:9 image3.32 m3.32 m
Smallest image size28″33″
Largest image size300″302″
Optical zoom2×1.1×
Lens shiftNoneVertical
AutofocusNo—
Keystone correctionYesYes
Automatic keystone correctionNoNo
Sound
Built-in speakers (total output)10 W10 W
Smart & streaming
Smart platformAndroid (not TV-certified)—
Built-in smart platformYes—
Wi-FiYes—
Connectivity
HDMI inputs22
HDMI version22
USB portYesYes
Ethernet (LAN)NoNo
VGA inputYesYes
Audio outputYesYes
Battery, power & lifetime
Power consumption310 W305 W
Light source life—4,000 h
Light source life (eco mode)—15,000 h
Design & noise
Fan noise26 dB28 dB
Fan noise (eco mode)26 dB26 dB
Weight3.1 kg3.9 kg
Width313 mm315 mm
Height114 mm118 mm
Depth240 mm270 mm
ColoursWhiteWhite
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