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  3. HL6521G vs LSD300W-ST

Acer HL6521G vs ViewSonic LSD300W-ST

What HL6521G does better (3) and where LSD300W-ST wins (3) — every spec side by side.

Acer HL6521G
Acer · 2026HL6521G
3 advantages≈ US$830
vs
ViewSonic LSD300W-ST
ViewSonic · 2025LSD300W-ST
8.0Score
3 advantages≈ US$900
Higher score
5.8Picture3.9

Why is HL6521G better than LSD300W-ST?

  1. Resolution (on screen)1920 × 1080 (Full HD) vs 1280 × 800 (WXGA)
  2. Brightness (ANSI / ISO lumens)4,000 lm vs 3,300 lm+21%
  3. Native panel resolution1920 × 1080 (Full HD) vs 1280 × 800 (WXGA)

Why is LSD300W-ST better than HL6521G?

  1. Light source life4,000 h vs 60,000 h15×
  2. Ethernet (LAN)No · HL6521G: Yes
  3. Audio outputNo · HL6521G: Yes
Specifications

Side by side

Acer HL6521GAcer HL6521G≈ US$830
Picture
Resolution (on screen)1920 × 1080 (Full HD)1280 × 800 (WXGA)
Native panel resolution1920 × 1080 (Full HD)1280 × 800 (WXGA)
Display technologyDLPDLP
Light source—LED
Brightness (ANSI / ISO lumens)4,000 lm3,300 lm
Contrast ratio (dynamic / claimed)—3,000,000:1
Lens & placement
Throw ratio—0.49:1
Throw type—Short throw (0.4–1.0:1)
Distance for a 100″ 16:9 image—1.08 m
Connectivity
HDMI inputs11
USB portNoYes
Ethernet (LAN)NoYes
VGA inputNoYes
Audio outputNoYes
Battery, power & lifetime
Light source life4,000 h60,000 h
Design & noise
Fan noise—32 dB
Fan noise (eco mode)—27 dB
Weight—2.85 kg
Width—294 mm
Height—115 mm
Depth—237 mm
ColoursWhite—
To compare: 0up to 4 models
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