BenQ TH671ST vs LG PH550 review

Votes 1 1
Rating 5 5
BenQ TH671ST
vs
LG PH550

An affordable projector is always a good option to consider, so BenQ TH671ST vs LG PH550 comparison definitely makes sense. Based on our rating, TH671ST has a total rating of 7.3 out of 10 versus 7.6 for PH550.

Advantages BenQ TH671ST over LG PH550

  • Bigger projection screen size: 30-300 inch vs 25-100 inch
  • Better brightness: 3000 vs 550 lumens
  • More HDMI connectors: 2 vs 1

Advantages LG PH550 over BenQ TH671ST

  • Lower power consumption, 60 W vs 355 W
  • 3D support
  • Longer lamp life (normal mode): 30000 vs 4000 hours
  • Stereo sound vs mono from integrated speakers

Common features and specifications

  • Wireless connection
  • Equal USB ports quantity: 1
  • Integrated speakers

Projectors comparison chart

Overall
BenQ TH671ST
7.3
7.6
7
8
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Common

Product

BenQ TH671ST
LG PH550

Model

TH671ST
PH550

Brand

BenQ
LG

Reviews

366
92

Resolution

Native resolution

1920 x 1080
1280 x 720

Max resolution (resized)

1920 x 1200
1920 x 1080

Resolution abbreviation

Full HD
HD

Properties

Projection screen size, inch

30-300
25-100

Projection distance, m/ft

0.9 - 3.3/3.2 - 9.8
0.7 - 3.1/1.8 - 9.8

Aspect ratio

16:9
16:9

Brightness, lumens

3000
550

Contrast ratio

10000:1
100000:1

Throw ratio range

0.69:1 - 0.83:1
1.39:1

Color reproduction

1.07 billion
1.07 billion

Projection system

DLP
DLP

Noise level, dBA

33

Power consumption, W

355
60

Features

Remote control

HDR

3D

Security

kensington lock, password protection
kensington lock, password protection

Projection method

front, rear, ceiling mount, tabletop
front, rear, ceiling mount, tabletop

Wireless connection

Additional features

DLP
TV tuner, Bluetooth sound out

Lamp

Lamp type, W

240

Lamp life (normal mode), hours

4000
30000

Lamp life (eco mode), hours

10000
30000

Connectivity

HDMI

2
1

VGA input

1
1

Composite video input (RCA)

0
1

Audio input (RCA)

0
0

Audio input (3.5mm)

1
0

Audio output (3.5mm)

1
1

SPDIF (optical)

0
0

Ethernet (RJ45)

0
0

MHL

RS-232

1
0

12V trigger

0
0

USB

1
1

USB (service)

1
0

Audio

Integrated speakers

Speaker power, W

5
1

Sound type

mono
stereo

Lens

F-number

2.6 - 2.78

Focal length, mm

10.2 - 12.24

Lens shift, %

vertical +/- 40

Zoom ratio

1.2x

Settings

Keystone adjustment vertical, +- degrees

40

Keystone adjustment horizontal, +- degrees

Operating temperature

Min, C/F

0/32
0/32

Max, C/F

40/104
40/104

User manual

Manual

Dimensions

Size W x H x D, сm/inches

27.9 x 10.1 x 22.8/11.7 x 4.6 x 9.5
15.2 x 2.5 x 10.1/ 6.9 x 1.7 x 4.3

Weight, kg/pounds

2.2/5.9
0.4/1.4
BenQ TH671ST
LG PH550
BenQ TH671ST
LG PH550

Projectors SoundStrokes Art comparison rating

  • better
  • worse
  • 7.3
  • 7.6
  • 7.3BenQ TH671ST
  • 7.6LG PH550

The LG PH550 is better home theater projector in this comparison. Check LG PH550 price