BenQ HT2150ST vs BenQ TH671ST

BenQ HT2150ST is quieter. BenQ TH671ST is $150 cheaper, brighter and lighter.

Key differences
White light outputANSI
2,200 lm ANSI3,000 lm ANSI
Fan noise
Normal 29 dB(A) · Eco 27 dB(A)Normal 33 dB(A) · Eco 29 dB(A)
MSRP
$999$749
Best price
—$849
Room fit
Distance to screen
1.5–1.8 m1.5–1.8 m
Picture
White light outputANSI
2,200 lm ANSI3,000 lm ANSI
Imaging technology
DLPDLP
Chip / panel diagonal
—0.65 in
Native resolution
1080p (1920 × 1080)1080p (1920 × 1080)
Native aspect
16:9Derived16:9Derived
Colour wheel segments
66
Colour wheel speed
6×2×
Dynamic contrast
15,000:110,000:1
Colour gamut
Rec. 709 96% coverageRec. 709 92% coverage
Colour bit depth (per channel)
10 bit10 bit
Gamma / EOTF presets
2.2, 2.4, 2.62.2, 2.4, 2.6
Colour management (CMS)
—6-axis
Picture mode memories
—2
Picture certifications
ISF—
3D
YesYes
3D formats
Frame packing, Side-by-side, Top-bottom, Frame sequentialFrame packing, Side-by-side, Top-bottom, Frame sequential
3D glasses sync
DLP-LinkDLP-Link
Light source
Light source
LampLamp
Lamp power
240 W240 W
Replacement lamp
5J.JEE05.001—
Light-source life
3,500 h normal · 5,000 h eco · 7,000 h dynamic4,000 h normal · 10,000 h eco · 15,000 h super eco · 10,000 h dynamic
Warm-up time
—30 s
Cool-down time
—90 s
Optics
Throw ratio
0.69–0.83:10.69–0.83:1
Image size
60–120 in60–120 in
Projection offset
103%103%
Zoom
OpticalOptical
Zoom ratio
1.2×Derived1.2×Derived
Focal length
10.2–12.24 mm10.2–12.24 mm
Aperture (f-number)
2.6–2.782.6–2.78
Focus
ManualManual
Autofocus
—No
Vertical keystone
40°40°
Auto keystone
—No
Interchangeable lens
No—
Motion & gaming
Max input refresh
—1080p: 60 Hz
Input lag
1080p: 60 Hz 16.7 ms1080p: 60 Hz 16.7 ms
Inputs & control
HDMI inputs
2 × HDMI 1.4 (HDCP 1.4)HDMI 1.4 · HDMI 1.4 (HDCP 1.4)
Other video inputs
VGAVGA
Max input resolution
WUXGAWUXGA
Audio inputs
3.5 mm3.5 mm
USB media playback
—No
Control ports
RS-232, 12 V triggerRS-232
Horizontal scan
15–102 kHz15–102 kHz
Vertical scan
23–120 Hz23–120 Hz
Audio
Speaker power
20 W5 W
Speakers
21
Layout
—Mono
Tuned by
—Waves MaxxAudio
Audio outputs
3.5 mm3.5 mm
HDMI audio return
NoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
381 × 277 × 122 mm296 × 224 × 120 mm
Weight
3,600 g2,700 g
Orientations
Ceiling, RearTable, Ceiling, Rear
Ceiling mount
M4, 20–25 mm screwsM4, 20–25 mm screws
Exhaust
Side—
Environment & power
Operating temperature
0–40°C0–40°C
Operating humidity
10–90%RH10–90%RH
Altitude
3,000 m · high-altitude mode3,000 m · high-altitude mode
Power draw
Normal 353 W · Eco 292 WMax 355 W · Normal 320 W · Eco 240 W
Standby
Up to 0.5 WUp to 0.5 W
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Fan noise
Normal 29 dB(A) · Eco 27 dB(A)Normal 33 dB(A) · Eco 29 dB(A)
Safety & support
Marks
—CE
Warranty
3 yr (light source 1 yr or 2,000 h)3 yr (light source 1 yr or 2,000 h)
User manual
https://esupportdownload.benq.com/esupport/PROJECTOR/UserManual/HT2150ST/UM_EN_200720165506.pdfhttps://esupportdownload.benq.com/esupport/PROJECTOR/UserManual/TH671ST/TH671ST_UM_EN_230426092526.pdf
Spare parts
Lamp 5J.JEE05.001—
In the box
In the box
Power cord, Remote, Remote batteries, Quick start guide, User manual, Warranty card, Lens cap, Carry casePower cord, Remote, Quick start guide, User manual, VGA cable, Lens cap
Remote
BacklitIR
BenQ TH671ST$849 · Amazon
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