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  3. H6541Ki vs LSD400HD

Acer H6541Ki vs ViewSonic LSD400HD

What H6541Ki does better (2) and where LSD400HD wins (3) — every spec side by side.

Acer H6541Ki
Acer · 2026H6541Ki
4.7Score
2 advantages≈ US$590
vs
ViewSonic LSD400HD
ViewSonic · 2026LSD400HD
8.0Score
3 advantages≈ US$800
Higher score
6.2Picture7.7
4.9Setup & placement4.3
3.2Noise, lifetime & portability7.8
Dimensions

Size comparison

H6541KiLSD400HD
313 × 114240280 × 129216
H6541KiLSD400HDDifference
Height114 mm129 mm−15 mm
Width313 mm280 mm+33 mm
Depth240 mm216 mm+24 mm
Weight2.9 kg3 kg−0.1 kg

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

Why is H6541Ki better than LSD400HD?

  1. Brightness (ANSI / ISO lumens)5,200 lm vs 4,400 lm+18%
  2. Weight2.9 kg vs 3 kg+3%

Why is LSD400HD better than H6541Ki?

  1. Light source life5,000 h vs 30,000 h6×
  2. Contrast ratio (dynamic / claimed)10,000:1 vs 3,000,000:1300×
  3. Fan noise36 dB vs 32 dB+12%
Specifications

Side by side

Acer H6541KiAcer H6541Ki≈ US$5904.7
ViewSonic LSD400HDViewSonic LSD400HD≈ US$8008.0
Picture
Resolution (on screen)1920 × 1080 (Full HD)1920 × 1080 (Full HD)
Native panel resolution1920 × 1080 (Full HD)1920 × 1080 (Full HD)
Display technologyDLPDLP
Light sourceLampLaser
Brightness (ANSI / ISO lumens)5,200 lm4,400 lm
Contrast ratio (dynamic / claimed)10,000:13,000,000:1
HDR supportNo—
3D playbackYes—
Gaming
Maximum refresh rate120 Hz120 Hz
Lens & placement
Throw ratio1.48:11.48:1
Throw ratio (zoomed in)1.62:11.62:1
Throw typeStandard throw (1.0:1 and longer)Standard throw (1.0:1 and longer)
Distance for a 100″ 16:9 image3.28 m3.28 m
Smallest image size27″30″
Largest image size300″300″
Optical zoom2×—
Lens shiftNoneNone
AutofocusNo—
Keystone correctionYesYes
Automatic keystone correctionNoNo
Sound
Built-in speakers (total output)3 W—
Connectivity
HDMI inputs22
HDMI version—2
USB portYesYes
Ethernet (LAN)NoNo
VGA inputNoNo
Audio outputYesYes
Battery, power & lifetime
Power consumption290 W—
Light source life5,000 h30,000 h
Light source life (eco mode)10,000 h20,000 h
Design & noise
Fan noise36 dB32 dB
Fan noise (eco mode)27 dB27 dB
Weight2.9 kg3 kg
Width313 mm280 mm
Height114 mm129 mm
Depth240 mm216 mm
ColoursWhiteWhite
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