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  3. LS711HD vs LS751HD

ViewSonic LS711HD vs ViewSonic LS751HD

What LS711HD does better (4) and where LS751HD wins (4) — every spec side by side.

ViewSonic LS711HD
ViewSonic · 2024LS711HD
6.6Score
4 advantages≈ US$1,650
vs
ViewSonic LS751HD
ViewSonic · 2023LS751HD
7.8Score
4 advantages≈ US$1,950
Higher score
5.8Picture7.7
5.0Gaming & inputs5.0
4.3Setup & placement8.4
7.2Noise, lifetime & portability5.2
Dimensions

Size comparison

LS711HDLS751HD
286 × 129216337 × 132265
LS711HDLS751HDDifference
Height129 mm132 mm−3 mm
Width286 mm337 mm−51 mm
Depth216 mm265 mm−49 mm
Weight3 kg4.5 kg−1.5 kg

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

Why is LS711HD better than LS751HD?

  1. Built-in speakers (total output)15 W vs 10 W+50%
  2. Fan noise30 dB vs 32 dB+7%
  3. Weight3 kg vs 4.5 kg+50%
  4. Power consumption210 W vs 245 W+17%

Why is LS751HD better than LS711HD?

  1. Lens shiftNone vs Vertical
  2. Brightness (ANSI / ISO lumens)4,200 lm vs 5,000 lm+19%
  3. HDR supportNo · LS711HD: Yes
  4. Ethernet (LAN)No · LS711HD: Yes
Specifications

Side by side

ViewSonic LS711HDViewSonic LS711HD≈ US$1,6506.6
ViewSonic LS751HDViewSonic LS751HD≈ US$1,9507.8
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 sourceLaserLaser
Brightness (ANSI / ISO lumens)4,200 lm5,000 lm
Contrast ratio (dynamic / claimed)300,000:1300,000:1
HDR supportNoYes
3D playbackYesYes
Gaming
Maximum refresh rate120 Hz120 Hz
Lens & placement
Throw ratio0.5:11.4:1
Throw ratio (zoomed in)—2.24:1
Throw typeShort throw (0.4–1.0:1)Standard throw (1.0:1 and longer)
Distance for a 100″ 16:9 image1.11 m3.1 m
Smallest image size35″30″
Largest image size300″300″
Optical zoom—2×
Lens shiftNoneVertical
Keystone correctionYesYes
Automatic keystone correctionNoNo
Sound
Built-in speakers (total output)15 W10 W
Smart & streaming
Wi-FiYesYes
Connectivity
HDMI inputs22
HDMI version22
USB portYesYes
Ethernet (LAN)NoYes
VGA inputNoNo
Audio outputYesYes
Battery, power & lifetime
Power consumption210 W245 W
Light source life20,000 h20,000 h
Light source life (eco mode)30,000 h30,000 h
Design & noise
Fan noise30 dB32 dB
Fan noise (eco mode)24 dB29 dB
Weight3 kg4.5 kg
Width286 mm337 mm
Height129 mm132 mm
Depth216 mm265 mm
ColoursWhiteWhite
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