Optoma ML750ST vs BenQ TH671ST Detailed Comparison of 2024

The Optoma ML750ST vs BenQ TH671ST comparison proves that these projectors have many common features. Based on our rating, ML750ST has a total rating of 7 out of 10 versus 7.3 for TH671ST.

Advantages Optoma ML750ST over BenQ TH671ST

Lower noise level, 22 dB vs 33 dB
Lower power consumption, 77 W vs 355 W
3D support
Longer lamp life (normal mode): 20000 vs 4000 hours

Advantages BenQ TH671ST over Optoma ML750ST

Bigger projection screen size: 30-300 inch vs 30-80 inch
Better brightness: 3000 vs 700 lumens
More HDMI connectors: 2 vs 1

Common features and specifications

Equal USB ports quantity: 1
Integrated speakers

Optoma ML750ST

BenQ TH671ST

Common

Product

Optoma ML750ST

BenQ TH671ST

Model

ML750ST

TH671ST

Brand

Optoma

BenQ

Reviews

101

501

Resolution

Native resolution

1280 x 800

1920 x 1080

Max resolution (resized)

1920 x 1080

1920 x 1200

Resolution abbreviation

WXGA

Full HD

Properties

Projection screen size, inch

30-80

30-300

Projection distance, m/ft

0.4 - 3.5/1.3 - 11.4

0.9 - 3.3/3.2 - 9.8

Aspect ratio

16:10

16:9

Brightness, lumens

700

3000

Contrast ratio

20000:1

10000:1

Throw ratio range

0.8:1

0.69:1 - 0.83:1

Color reproduction

16.77 billion

1.07 billion

Projection system

DLP

Noise level, dBA

Power consumption, W

355

Features

Remote control

HDR

3D

Security

password protection

kensington lock, password protection

Projection method

front, ceiling mount, tabletop

front, rear, ceiling mount, tabletop

Wireless connection

optional

Additional features

has not

DLP

Lamp

Lamp type, W

240

Lamp life (normal mode), hours

20000

4000

Lamp life (eco mode), hours

20000

10000

Connectivity

HDMI

VGA input

Composite video input (RCA)

Audio input (RCA)

Audio input (3.5mm)

Audio output (3.5mm)

SPDIF (optical)

Ethernet (RJ45)

MHL

RS-232

12V trigger

USB

USB (service)

Audio

Integrated speakers

Speaker power, W

1.5

Sound type

mono

Lens

F-number

1.9

2.6 - 2.78

Focal length, mm

8.02

10.2 - 12.24

Lens shift, %

vertical +/- 40

Zoom ratio

1.2x

Settings

Keystone adjustment vertical, +- degrees

Keystone adjustment horizontal, +- degrees

Operating temperature

Min, C/F

5/41

0/32

Max, C/F

35/95

40/104

User manual

Manual

Open

Dimensions

Size W x H x D, сm/inches

11.2 x 4.5 x 10.5/4.4 x 1.6 x 4.1

27.9 x 10.1 x 22.8/11.7 x 4.6 x 9.5

Weight, kg/pounds

0.3/0.9

2.2/5.9

Other

Release year

2016

2017

Optoma ML750ST vs BenQ TH671ST review

Optoma ML750ST vs BenQ TH671ST comparison chart