BenQ TH671ST vs JMGO N1S Infinity

BenQ TH671ST is $350 cheaper, lighter and in stock. JMGO N1S Infinity is quieter.

Key differences
White light output
3,000 lm ANSI2,450 lm ISO
Throw ratio
0.69–0.83:11.2:1
Lowest input lag
16.7 msDerived—
HDR formats
—HDR10
Light source
LampRGB triple laser
Fan noise
Normal 33 dB(A) · Eco 29 dB(A)26 dB(A)
MSRP
$749$1,199
Best price
$849—
Room fit
Distance to screen
1.5–1.8 m2.7 m
Picture
White light output
3,000 lm ANSI2,450 lm ISO
Imaging technology
DLPDLP
Chip / panel diagonal
0.65 in—
Native resolution
1080p (1920 × 1080)1080p (1920 × 1080)
Native aspect
16:9Derived16:9Derived
Addressable resolution
—4K UHD (3840 × 2160)
Colour wheel segments
6—
Colour wheel speed
2×—
Dynamic contrast
10,000:11,600:1
Colour gamut
Rec. 709 92% coverageBT.2020 110%
Colour bit depth (per channel)
10 bit10 bit
Gamma / EOTF presets
2.2, 2.4, 2.6—
HDR formats
—HDR10
Colour management (CMS)
6-axis—
Picture mode memories
2—
3D
YesYes
3D formats
Frame packing, Side-by-side, Top-bottom, Frame sequential—
3D glasses sync
DLP-Link—
Light source
Light source
LampRGB triple laser
Emitter
—RGB triple laser
Light engine
—MALC
Lamp power
240 W—
Light-source life
4,000 h normal · 10,000 h eco · 15,000 h super eco · 10,000 h dynamic30,000 h
Warm-up time
30 s—
Cool-down time
90 s—
Optics
Throw ratio
0.69–0.83:11.2:1
Image size
60–120 in40–300 in
Projection offset
103%—
Zoom
OpticalDigital
Zoom ratio
1.2×Derived—
Focal length
10.2–12.24 mm—
Aperture (f-number)
2.6–2.78—
Focus
ManualMotorised
Autofocus
NoYes
Autofocus runs
—When moved
Vertical lens shift
—None
Horizontal lens shift
—None
Vertical keystone
40°—
Auto keystone
NoYes
Auto setup
—Fit to screen
Interchangeable lens
—No
Motion & gaming
Frame interpolation (MEMC)
—Yes
Max input refresh
1080p: 60 Hz—
Input lag
1080p: 60 Hz 16.7 ms—
Inputs & control
HDMI inputs
HDMI 1.4 · HDMI 1.4 (HDCP 1.4)HDMI 2.1 (eARC) · HDMI 2.1
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 kHz—
Vertical scan
23–120 Hz—
Smart platform
Wi-Fi
—Wi-Fi 6
Bluetooth
—5.2
Smart platform
—Google TV
RAM
—2 GB
Storage
—32 GB
Netflix
—Built in
Casting
—Chromecast built-in
Audio
Speaker power
5 W20 W
Speakers
12
Layout
Mono—
Tuned by
Waves MaxxAudioDynaudio
Audio formats
—Dolby Audio, DTS
Audio outputs
3.5 mm3.5 mm, HDMI eARC, Bluetooth
HDMI audio return
NoneDerivedeARCDerived
Physical & installation
Dimensions (W × D × H)
296 × 224 × 120 mm241 × 236 × 203 mm
Weight
2,700 g4,500 g
Orientations
Table, Ceiling, RearCeiling, Rear
Built-in stand
—Stand, 135° tilt, 360° pan
Ceiling mount
M4, 20–25 mm screws—
Environment & power
Operating temperature
0–40°C0–40°C
Operating humidity
10–90%RH—
Altitude
3,000 m · high-altitude mode—
Power draw
Max 355 W · Normal 320 W · Eco 240 WMax 180 W
Standby
Up to 0.5 W—
Power supply
—External adapter
Mains input
100–240 V · 50/60 Hz—
Fan noise
Normal 33 dB(A) · Eco 29 dB(A)26 dB(A)
Safety & support
Laser class
—Class 1
Risk group
—RG2
Eye-protection sensor
—Yes
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://global.jmgo.com/cdn/shop/files/N1S_Infinity_User_Manual.pdf
In the box
In the box
Power cord, Remote, Quick start guide, User manual, VGA cable, Lens capPower cord, Power adapter, Remote, Remote batteries, Quick start guide
Remote
IR—
BenQ TH671ST$849 · Amazon
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