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  3. IN0048SL vs LSD400HD

InFocus IN0048SL vs ViewSonic LSD400HD

What IN0048SL does better (4) and where LSD400HD wins (3) — every spec side by side.

InFocus IN0048SL
InFocus · 2025IN0048SL
8.0Score
4 advantages≈ US$640
Higher score
vs
ViewSonic LSD400HD
ViewSonic · 2026LSD400HD
8.0Score
3 advantages≈ US$800
6.9Picture7.7
6.3Setup & placement4.3
7.4Noise, lifetime & portability7.8
Dimensions

Size comparison

IN0048SLLSD400HD
313 × 23696280 × 129216
IN0048SLLSD400HDDifference
Height236 mm129 mm+107 mm
Width313 mm280 mm+33 mm
Depth96 mm216 mm−120 mm
Weight2.9 kg3 kg−0.1 kg

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

Why is IN0048SL better than LSD400HD?

  1. Automatic keystone correctionYes · LSD400HD: No
  2. Ethernet (LAN)Yes · LSD400HD: No
  3. Fan noise27 dB vs 32 dB+19%
  4. Weight2.9 kg vs 3 kg+3%

Why is LSD400HD better than IN0048SL?

  1. Light source life15,000 h vs 30,000 h2×
  2. Contrast ratio (dynamic / claimed)30,000:1 vs 3,000,000:1100×
  3. HDMI version1.4 vs 2+43%
Specifications

Side by side

InFocus IN0048SLInFocus IN0048SL≈ US$6408.0
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)4,400 lm4,400 lm
Contrast ratio (dynamic / claimed)30,000:13,000,000:1
3D playbackYes—
Gaming
Maximum refresh rate—120 Hz
Lens & placement
Throw ratio1.13:11.48:1
Throw ratio (zoomed in)1.47:11.62:1
Throw typeStandard throw (1.0:1 and longer)Standard throw (1.0:1 and longer)
Distance for a 100″ 16:9 image2.5 m3.28 m
Smallest image size—30″
Largest image size—300″
Lens shiftNoneNone
AutofocusNo—
Keystone correctionYesYes
Automatic keystone correctionYesNo
Sound
Built-in speakers (total output)10 W—
Connectivity
HDMI inputs22
HDMI version1.42
USB portYesYes
Ethernet (LAN)YesNo
VGA inputYesNo
Audio outputYesYes
Battery, power & lifetime
Power consumption267 W—
Light source life15,000 h30,000 h
Light source life (eco mode)—20,000 h
Design & noise
Fan noise27 dB32 dB
Fan noise (eco mode)—27 dB
Weight2.9 kg3 kg
Width313 mm280 mm
Height236 mm129 mm
Depth96 mm216 mm
ColoursWhiteWhite
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