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  3. H6555AKi vs M311

Acer H6555AKi vs Acer M311

What H6555AKi does better (4) and where M311 wins (5) — every spec side by side.

Acer H6555AKi
Acer · 2022H6555AKi
5.5Score
4 advantages≈ US$640
vs
Acer M311
Acer · 2022M311
8.2Score
5 advantages≈ US$530
Higher score
5.4Picture5.1
6.6Setup & placement7.9
4.0Noise, lifetime & portability7.7
Dimensions

Size comparison

H6555AKiM311
322 × 91225313 × 114240
H6555AKiM311Difference
Height91 mm114 mm−23 mm
Width322 mm313 mm+9 mm
Depth225 mm240 mm−15 mm
Weight2.9 kg2.7 kg+0.2 kg

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

Why is H6555AKi better than M311?

  1. Resolution (on screen)1920 × 1080 (Full HD) vs 1280 × 800 (WXGA)
  2. Native panel resolution1920 × 1080 (Full HD) vs 1280 × 800 (WXGA)
  3. HDMI inputs2 vs 12×
  4. Optical zoom2× vs 1.12×+79%

Why is M311 better than H6555AKi?

  1. Built-in speakers (total output)3 W vs 10 W3.3×
  2. Automatic keystone correctionNo · H6555AKi: Yes
  3. Contrast ratio (dynamic / claimed)10,000:1 vs 20,000:12×
  4. Light source life5,000 h vs 6,000 h+20%
  5. Weight2.9 kg vs 2.7 kg+7%
Specifications

Side by side

Acer H6555AKiAcer H6555AKi≈ US$6405.5
Acer M311Acer M311≈ US$5308.2
Picture
Resolution (on screen)1920 × 1080 (Full HD)1280 × 800 (WXGA)
Native panel resolution1920 × 1080 (Full HD)1280 × 800 (WXGA)
Display technologyDLPDLP
Light sourceLampLamp
Brightness (ANSI / ISO lumens)4,500 lm4,500 lm
Contrast ratio (dynamic / claimed)10,000:120,000:1
HDR supportNo—
3D playback—Yes
Gaming
Maximum refresh rate120 Hz120 Hz
Lens & placement
Throw ratio1.13:11.49:1
Throw ratio (zoomed in)1.46:11.67:1
Throw typeStandard throw (1.0:1 and longer)Standard throw (1.0:1 and longer)
Distance for a 100″ 16:9 image2.5 m3.3 m
Smallest image size31″30″
Largest image size300″300″
Optical zoom2×1.12×
Keystone correctionYesYes
Automatic keystone correctionNoYes
Sound
Built-in speakers (total output)3 W10 W
Smart & streaming
Wi-FiYesYes
Connectivity
HDMI inputs21
USB portYesYes
Ethernet (LAN)NoNo
VGA inputNoYes
Audio outputYesYes
Battery, power & lifetime
Power consumption309 W—
Light source life5,000 h6,000 h
Light source life (eco mode)10,000 h10,000 h
Design & noise
Fan noise—27 dB
Fan noise (eco mode)27 dB24 dB
Weight2.9 kg2.7 kg
Width322 mm313 mm
Height91 mm114 mm
Depth225 mm240 mm
ColoursWhiteWhite
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