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  3. H6830BD vs LSD400HD

Acer H6830BD vs ViewSonic LSD400HD

What H6830BD does better (2) and where LSD400HD wins (2) — every spec side by side.

Acer H6830BD
Acer · 2026H6830BD
8.0Score
2 advantages
vs
ViewSonic LSD400HD
ViewSonic · 2026LSD400HD
8.0Score
2 advantages≈ US$800
Higher score
9.1Picture7.7
4.3Noise, lifetime & portability7.8

Why is H6830BD better than LSD400HD?

  1. Resolution (on screen)3840 × 2160 (4K UHD) vs 1920 × 1080 (Full HD)
  2. Fan noise30 dB vs 32 dB+7%

Why is LSD400HD better than H6830BD?

  1. Light source life10,000 h vs 30,000 h3×
  2. Brightness (ANSI / ISO lumens)4,000 lm vs 4,400 lm+10%
Specifications

Side by side

ViewSonic LSD400HDViewSonic LSD400HD≈ US$8008.0
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 sourceLEDLaser
Brightness (ANSI / ISO lumens)4,000 lm4,400 lm
Contrast ratio (dynamic / claimed)—3,000,000:1
Gaming
Maximum refresh rate—120 Hz
Lens & placement
Throw ratio—1.48:1
Throw ratio (zoomed in)—1.62:1
Throw type—Standard throw (1.0:1 and longer)
Distance for a 100″ 16:9 image—3.28 m
Smallest image size—30″
Largest image size—300″
Lens shift—None
AutofocusNo—
Keystone correction—Yes
Automatic keystone correction—No
Connectivity
HDMI inputs—2
HDMI version—2
USB port—Yes
Ethernet (LAN)—No
VGA input—No
Audio output—Yes
Battery, power & lifetime
Power consumption310 W—
Light source life10,000 h30,000 h
Light source life (eco mode)5,000 h20,000 h
Design & noise
Fan noise30 dB32 dB
Fan noise (eco mode)—27 dB
Weight—3 kg
Width322 mm280 mm
Height—129 mm
Depth225 mm216 mm
ColoursWhiteWhite
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