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  3. 4K400x vs LS700-4K

Optoma 4K400x vs ViewSonic LS700-4K

What 4K400x does better (4) and where LS700-4K wins (4) — every spec side by side.

Optoma 4K400x
Optoma · 20224K400x
6.5Score
4 advantages≈ US$1,350
Higher score
vs
ViewSonic LS700-4K
ViewSonic · 2019LS700-4K
5.8Score
4 advantages≈ US$1,450
8.7Picture7.9
5.9Gaming & inputs5.0
4.3Setup & placement3.9
4.7Noise, lifetime & portability3.9
Dimensions

Size comparison

4K400xLS700-4K
315 × 118270396 × 157314
4K400xLS700-4KDifference
Height118 mm157 mm−39 mm
Width315 mm396 mm−81 mm
Depth270 mm314 mm−44 mm
Weight3.5 kg7.1 kg−3.6 kg

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

Why is 4K400x better than LS700-4K?

  1. Built-in speakers (total output)10 W vs 2 W5×
  2. Brightness (ANSI / ISO lumens)4,000 lm vs 3,300 lm+21%
  3. Weight3.5 kg vs 7.14 kg2×
  4. Fan noise28 dB vs 34 dB+21%

Why is LS700-4K better than 4K400x?

  1. Light source life4,000 h vs 20,000 h5×
  2. Contrast ratio (dynamic / claimed)1,000,000:1 vs 3,000,000:13×
  3. Ethernet (LAN)No · 4K400x: Yes
  4. Power consumption305 W vs 260 W+17%
Specifications

Side by side

Optoma 4K400xOptoma 4K400x≈ US$1,3506.5
ViewSonic LS700-4KViewSonic LS700-4K≈ US$1,4505.8
Picture
Resolution (on screen)3840 × 2160 (4K UHD)3840 × 2160 (4K UHD)
Native panel resolution1920 × 1080 (Full HD)1920 × 1080 (Full HD)
4K method4K by pixel shifting4K by pixel shifting
Display technologyDLPDLP
Light source—Laser
Brightness (ANSI / ISO lumens)4,000 lm3,300 lm
Contrast ratio (dynamic / claimed)1,000,000:13,000,000:1
HDR supportYesYes
HDR formats—HDR10
Motion interpolation (MEMC)Yes—
3D playbackYes—
Gaming
Maximum refresh rate120 Hz120 Hz
Game / low-latency modeYesYes
Lens & placement
Throw ratio1.5:11.13:1
Throw ratio (zoomed in)1.66:11.47:1
Throw typeStandard throw (1.0:1 and longer)Standard throw (1.0:1 and longer)
Distance for a 100″ 16:9 image3.32 m2.5 m
Smallest image size33″60″
Largest image size300″300″
Optical zoom—1.3×
Lens shiftNoneNone
Keystone correctionYesYes
Automatic keystone correctionNoNo
Sound
Built-in speakers (total output)10 W2 W
Connectivity
HDMI inputs22
HDMI version22
USB portYesYes
Ethernet (LAN)NoYes
VGA inputNoYes
Audio outputYesYes
Battery, power & lifetime
Power consumption305 W260 W
Light source life4,000 h20,000 h
Light source life (eco mode)15,000 h—
Design & noise
Fan noise28 dB34 dB
Fan noise (eco mode)26 dB32 dB
Weight3.5 kg7.14 kg
Width315 mm396 mm
Height118 mm157 mm
Depth270 mm314 mm
ColoursWhiteWhite
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