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  3. IN1089SL vs LSD400HD-ST

InFocus IN1089SL vs ViewSonic LSD400HD-ST

What IN1089SL does better (3) and where LSD400HD-ST wins (4) — every spec side by side.

InFocus IN1089SL
InFocus · 2026IN1089SL
7.6Score
3 advantages≈ US$1,450
Higher score
vs
ViewSonic LSD400HD-ST
ViewSonic · 2025LSD400HD-ST
6.7Score
4 advantages≈ US$1,450
8.8Picture6.1

Why is IN1089SL better than LSD400HD-ST?

  1. Resolution (on screen)1920 × 1200 (WUXGA) vs 1920 × 1080 (Full HD)
  2. Brightness (ANSI / ISO lumens)4,500 lm vs 4,000 lm+12%
  3. Native panel resolution1920 × 1200 (WUXGA) vs 1920 × 1080 (Full HD)

Why is LSD400HD-ST better than IN1089SL?

  1. Light source life4,500 h vs 20,000 h4.4×
  2. HDMI inputs1 vs 22×
  3. Ethernet (LAN)No · IN1089SL: Yes
  4. Audio outputNo · IN1089SL: Yes
Specifications

Side by side

InFocus IN1089SLInFocus IN1089SL≈ US$1,4507.6
ViewSonic LSD400HD-STViewSonic LSD400HD-ST≈ US$1,4506.7
Picture
Resolution (on screen)1920 × 1200 (WUXGA)1920 × 1080 (Full HD)
Native panel resolution1920 × 1200 (WUXGA)1920 × 1080 (Full HD)
Display technologyDLPDLP
Light sourceLaserLaser
Brightness (ANSI / ISO lumens)4,500 lm4,000 lm
Contrast ratio (dynamic / claimed)300,000:1300,000:1
Lens & placement
Largest image size—300″
Lens shiftNone—
Keystone correctionYesYes
Automatic keystone correctionNoNo
Connectivity
HDMI inputs12
HDMI version2—
USB portNoYes
Ethernet (LAN)NoYes
VGA inputNoNo
Audio outputNoYes
Battery, power & lifetime
Light source life4,500 h20,000 h
Light source life (eco mode)—30,000 h
Design & noise
Fan noise—32 dB
Fan noise (eco mode)—27 dB
Weight—3.1 kg
Width—286 mm
Height—129 mm
Depth—216 mm
ColoursWhiteWhite
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