ViewSonic LS711HD vs ViewSonic LS740HD

What LS711HD does better (2) and where LS740HD wins (2) — every spec side by side.

ViewSonic · 2024LS711HD

6.6Score

2 advantages≈ US$1,650

ViewSonic · 2023LS740HD

7.0Score

2 advantages≈ US$1,100

Higher score

5.8Picture6.7

5.0Gaming & inputs5.0

4.3Setup & placement6.0

7.2Noise, lifetime & portability6.2

Dimensions

Size comparison

LS711HDLS740HD

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

Specifications

Only differences	ViewSonic LS711HD≈ US$1,6506.6	ViewSonic LS740HD≈ US$1,1007.0
Picture
Resolution (on screen)	1920 × 1080 (Full HD)	1920 × 1080 (Full HD)
Native panel resolution	1920 × 1080 (Full HD)	1920 × 1080 (Full HD)
Display technology	DLP	DLP
Light source	Laser	Laser
Brightness (ANSI / ISO lumens)	4,200 lm	5,000 lm
Contrast ratio (dynamic / claimed)	300,000:1	300,000:1
HDR support	No	No
3D playback	Yes	Yes
Gaming
Maximum refresh rate	120 Hz	120 Hz
Lens & placement
Throw ratio	0.5:1	1.13:1
Throw ratio (zoomed in)	—	1.47:1
Throw type	Short throw (0.4–1.0:1)	Standard throw (1.0:1 and longer)
Distance for a 100″ 16:9 image	1.11 m	2.5 m
Smallest image size	35″	30″
Largest image size	300″	300″
Optical zoom	—	2×
Lens shift	None	None
Keystone correction	Yes	Yes
Automatic keystone correction	No	No
Sound
Built-in speakers (total output)	15 W	15 W
Smart & streaming
Wi-Fi	Yes	Yes
Connectivity
HDMI inputs	2	2
HDMI version	2	2
USB port	Yes	Yes
Ethernet (LAN)	No	Yes
VGA input	No	No
Audio output	Yes	No
Battery, power & lifetime
Power consumption	210 W	210 W
Light source life	20,000 h	20,000 h
Light source life (eco mode)	30,000 h	30,000 h
Design & noise
Fan noise	30 dB	32 dB
Fan noise (eco mode)	24 dB	26 dB
Weight	3 kg	3 kg
Width	286 mm	286 mm
Height	129 mm	129 mm
Depth	216 mm	216 mm
Colours	White	White