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  3. H6543Ki vs LSD400W

Acer H6543Ki vs ViewSonic LSD400W

What H6543Ki does better (2) and where LSD400W wins (2) — every spec side by side.

Acer H6543Ki
Acer · 2023H6543Ki
5.7Score
2 advantages≈ US$540
vs
ViewSonic LSD400W
ViewSonic · 2026LSD400W
7.8Score
2 advantages≈ US$570
Higher score
5.4Picture6.8
4.9Setup & placement6.6
Dimensions

Size comparison

H6543KiLSD400W
322 × 91225286 × 129216
H6543KiLSD400WDifference
Height91 mm129 mm−38 mm
Width322 mm286 mm+36 mm
Depth225 mm216 mm+9 mm
Weight2.9 kg3.1 kg−0.2 kg

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

Why is H6543Ki better than LSD400W?

  1. Brightness (ANSI / ISO lumens)4,500 lm vs 4,000 lm+12%
  2. Weight2.9 kg vs 3.1 kg+7%

Why is LSD400W better than H6543Ki?

  1. Light source life4,000 h vs 20,000 h5×
  2. Contrast ratio (dynamic / claimed)10,000:1 vs 3,000,000:1300×
Specifications

Side by side

Acer H6543KiAcer H6543Ki≈ US$5405.7
ViewSonic LSD400WViewSonic LSD400W≈ US$5707.8
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)4,500 lm4,000 lm
Contrast ratio (dynamic / claimed)10,000:13,000,000:1
HDR supportNo—
3D playbackYes—
Gaming
Maximum refresh rate120 Hz—
Lens & placement
Throw ratio1.5:1—
Throw ratio (zoomed in)1.66:1—
Throw typeStandard throw (1.0:1 and longer)—
Distance for a 100″ 16:9 image3.32 m—
Smallest image size27″—
Largest image size300″300″
Optical zoom2×2×
Lens shiftNone—
AutofocusNo—
Keystone correctionYesYes
Automatic keystone correctionNoNo
Sound
Built-in speakers (total output)3 W—
Connectivity
HDMI inputs22
HDMI version—1.4
USB portYesYes
Ethernet (LAN)NoNo
VGA inputNoNo
Audio outputYesYes
Battery, power & lifetime
Light source life4,000 h20,000 h
Light source life (eco mode)10,000 h30,000 h
Design & noise
Fan noise—30 dB
Fan noise (eco mode)29 dB25 dB
Weight2.9 kg3.1 kg
Width322 mm286 mm
Height91 mm129 mm
Depth225 mm216 mm
ColoursWhiteWhite
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