BenQ TH671ST vs BenQ HT3550 review
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We would like to share our experience after comparing and testing two projectors – BenQ TH671ST vs BenQ HT3550. Based on our rating, TH671ST has a total rating of 7.3 out of 10 versus 8 for HT3550.
Advantages BenQ TH671ST over BenQ HT3550
- Bigger projection screen size: 30-300 inch vs 30-200 inch
- Better brightness: 3000 vs 2000 lumens
- Wireless connection enabled
Advantages BenQ HT3550 over BenQ TH671ST
- Bring the cinematic 4K UHD experience home with the HT3550
- Lower noise level, 30 dB vs 33 dB
- Lower power consumption, 350 W vs 355 W
- HT3550 is HDR-compatible
- 3D support
- More USB ports: 2 vs 1
- Stereo sound vs mono from integrated speakers
Common features and specifications
- Equal lamp life (normal mode): 4000 hours
- Equal HDMI connectors quantity: 2
- Integrated speakers
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Common
Product
BenQ TH671ST
BenQ HT3550
Model
TH671ST
HT3550
Brand
BenQ
BenQ
Reviews
501
321
Resolution
Native resolution
1920 x 1080
3840 x 2160
Max resolution (resized)
1920 x 1200
3840 x 2160
Resolution abbreviation
Full HD
4K UHD
Properties
Projection screen size, inch
30-300
30-200
Projection distance, m/ft
0.9 - 3.3/3.2 - 9.8
0.7 - 9.9/1.8 - 29.5
Aspect ratio
16:9
16:9
Brightness, lumens
3000
2000
Contrast ratio
10000:1
30000:1
Throw ratio range
0.69:1 - 0.83:1
1.13:1 - 1.47:1
Color reproduction
1.07 billion
1.07 billion
Projection system
DLP
DLP
Noise level, dBA
33
30
Power consumption, W
355
350
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
has not
Lamp
Lamp type, W
240
245
Lamp life (normal mode), hours
4000
4000
Lamp life (eco mode), hours
10000
15000
Connectivity
HDMI
2
2
VGA input
1
0
Composite video input (RCA)
0
0
Audio input (RCA)
0
0
Audio input (3.5mm)
1
0
Audio output (3.5mm)
1
1
SPDIF (optical)
0
1
Ethernet (RJ45)
0
0
MHL
RS-232
1
1
12V trigger
0
1
USB
1
2
USB (service)
1
1
Audio
Integrated speakers
Speaker power, W
5
5
Sound type
mono
stereo
Lens
F-number
2.6 - 2.78
1.9 - 2.47
Focal length, mm
10.2 - 12.24
12 - 15.6
Lens shift, %
vertical +/- 40
vertical +/- 10
Zoom ratio
1.2x
1.3x
Settings
Keystone adjustment vertical, +- degrees
40
30
Keystone adjustment horizontal, +- degrees
Operating temperature
Min, C/F
0/32
0/32
Max, C/F
40/104
35/95
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
38 x 12.7 x 26.3/14.9 x 5 x 10.3
Weight, kg/pounds
2.2/5.9
4.2/9.3
Other
Release year
2017
2019
Projectors SoundStrokes Art comparison rating
- 7.3BenQ TH671ST
- 8BenQ HT3550
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