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  3. LX700-4K vs LX720-4K

ViewSonic LX700-4K vs ViewSonic LX720-4K

What LX700-4K does better (5) and where LX720-4K wins (0) — every spec side by side.

ViewSonic LX700-4K
ViewSonic · 2023LX700-4K
9.4Score
5 advantages
Higher score
vs
ViewSonic LX720-4K
ViewSonic · 2025LX720-4K
7.8Score
0 advantages≈ US$1,500
8.4Picture8.0
8.4Noise, lifetime & portability5.1
Dimensions

Size comparison

LX700-4KLX720-4K
286 × 129216312 × 104234
LX700-4KLX720-4KDifference
Height129 mm104 mm+25 mm
Width286 mm312 mm−26 mm
Depth216 mm234 mm−18 mm
Weight3.3 kg3.5 kg−0.2 kg

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

Why is LX700-4K better than LX720-4K?

  1. Built-in speakers (total output)15 W vs 10 W+50%
  2. Light source life30,000 h vs 20,000 h+50%
  3. Contrast ratio (dynamic / claimed)3,000,000:1 vs 300,000:110×
  4. Fan noise31 dB vs 32 dB+3%
  5. Weight3.3 kg vs 3.5 kg+6%

Why is LX720-4K better than LX700-4K?

LX720-4K has no measurable advantages in this pair.

Specifications

Side by side

ViewSonic LX720-4KViewSonic LX720-4K≈ US$1,5007.8
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 sourceLaserLaser
Brightness (ANSI / ISO lumens)3,500 lm3,500 lm
Contrast ratio (dynamic / claimed)3,000,000:1300,000:1
HDR supportYes—
Gaming
Maximum refresh rate120 Hz—
Game / low-latency modeYes—
Lens & placement
Throw ratio1.06:1—
Throw ratio (zoomed in)1.45:1—
Throw typeStandard throw (1.0:1 and longer)—
Distance for a 100″ 16:9 image2.35 m—
Smallest image size30″—
Largest image size300″300″
Optical zoom2×—
Lens shiftVertical—
Keystone correctionYesYes
Automatic keystone correctionNoNo
Sound
Built-in speakers (total output)15 W10 W
Smart & streaming
Wi-Fi—Yes
Bluetooth—Yes
Internal storage—8 GB
Connectivity
HDMI inputs22
USB portYesYes
Ethernet (LAN)NoNo
VGA inputNoNo
Audio outputYesYes
Battery, power & lifetime
Power consumption180 W—
Light source life30,000 h20,000 h
Light source life (eco mode)—30,000 h
Design & noise
Fan noise31 dB32 dB
Fan noise (eco mode)26 dB26 dB
Weight3.3 kg3.5 kg
Width286 mm312 mm
Height129 mm104 mm
Depth216 mm234 mm
ColoursWhite—
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