BenQ TH671ST vs Optoma HD30LV

BenQ TH671ST is lighter. Optoma HD30LV is $220 cheaper, brighter and better for gaming.

BenQ TH671ST$849 · Amazon
Buy
Optoma HD30LV$629 · Amazon
Buy
Key differences
White light outputANSI
3,000 lm ANSI4,500 lm ANSI
Throw ratio
0.69–0.83:11.5–1.66:1
Lowest input lag
16.7 msDerived16 msDerived
HDR formats
—HDR10, HLG
Fan noise
Normal 33 dB(A) · Eco 29 dB(A)Normal 29 dB(A) · Eco 27 dB(A)
MSRP
$749—
Best price
$849$629
Room fit
Distance to screen
1.5–1.8 m3.3–3.7 m
Picture
White light outputANSI
3,000 lm ANSI4,500 lm ANSI
Brightness uniformity
—80%
Imaging technology
DLPDLP
Chip / panel diagonal
0.65 in0.47 in
Native resolution
1080p (1920 × 1080)1080p (1920 × 1080)
Native aspect
16:9Derived16:9Derived
Colour wheel segments
6—
Colour wheel speed
2×—
Dynamic contrast
10,000:122,000:1
Colour gamut
Rec. 709 92% coverage—
Colour bit depth (per channel)
10 bit10 bit
Gamma / EOTF presets
2.2, 2.4, 2.62.2, 2.4
HDR formats
—HDR10, HLG
Colour management (CMS)
6-axis6-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
3D glasses sync
DLP-LinkDLP-Link
Light source
Light source
LampLamp
Lamp power
240 W240 W
Light-source life
4,000 h normal · 10,000 h eco · 15,000 h super eco · 10,000 h dynamic4,000 h max · 10,000 h eco · 15,000 h dynamic
Warm-up time
30 s—
Cool-down time
90 s—
Optics
Throw ratio
0.69–0.83:11.5–1.66:1
Image size
60–120 in30–301 in
Projection offset
103%116%
Zoom
OpticalOptical
Zoom ratio
1.2×Derived1.11×Derived
Focal length
10.2–12.24 mm15.84–17.42 mm
Aperture (f-number)
2.6–2.78—
Focus
ManualManual
Autofocus
NoNo
Vertical lens shift
—None
Horizontal lens shift
—None
Vertical keystone
40°40°
Auto keystone
No—
Interchangeable lens
—No
Motion & gaming
Max input refresh
1080p: 60 Hz1080p: 120 Hz
Input lag
1080p: 60 Hz 16.7 ms1080p: 60 Hz 16 ms · 120 Hz 16 ms
Inputs & control
HDMI inputs
HDMI 1.4 · HDMI 1.4 (HDCP 1.4)HDMI 2.0 (HDCP 2.2) · HDMI 1.4 (HDCP 2.2)
Other video inputs
VGA—
Max input resolution
WUXGA4K UHD
Audio inputs
3.5 mm—
USB media playback
No—
Control ports
RS-232—
Horizontal scan
15–102 kHz15.38–91.15 kHz
Vertical scan
23–120 Hz50–85 Hz
Audio
Speaker power
5 W3 W
Speakers
11
Layout
MonoMono
Tuned by
Waves MaxxAudio—
Audio outputs
3.5 mm3.5 mm
HDMI audio return
NoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
296 × 224 × 120 mm316 × 244 × 108 mm
Weight
2,700 g2,880 g
Colours
—White
Orientations
Table, Ceiling, RearTable, Ceiling, Rear
Ceiling mount
M4, 20–25 mm screwsM4
Environment & power
Operating temperature
0–40°C5–40°C
Operating humidity
10–90%RH—
Altitude
3,000 m · high-altitude mode3,000 m · high-altitude mode
Power draw
Max 355 W · Normal 320 W · Eco 240 WMax 290 W · Eco 210 W
Standby
Up to 0.5 W0.5 W
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Fan noise
Normal 33 dB(A) · Eco 29 dB(A)Normal 29 dB(A) · Eco 27 dB(A)
Safety & support
Risk group
—RG2
Marks
CECE, FCC
Warranty
3 yr (light source 1 yr or 2,000 h)1 yr
User manual
https://esupportdownload.benq.com/esupport/PROJECTOR/UserManual/TH671ST/TH671ST_UM_EN_230426092526.pdfhttps://region-resource.optoma.com/products/import/Documents/09618c8e-818f-46f7-8daa-72abca9ea8bb.pdf
In the box
In the box
Power cord, Remote, Quick start guide, User manual, VGA cable, Lens capPower cord, Remote, Remote batteries, User manual
Remote
IRIR
BenQ TH671ST$849 · Amazon
Buy
Optoma HD30LV$629 · Amazon
Buy