ProjectorDB

BenQ TH671ST vs ViewSonic LX700-4K

BenQ TH671ST is $389.79 cheaper and lighter. ViewSonic LX700-4K is brighter, sharper and better for gaming.

BenQ TH671ST$849 · Amazon
Buy
ViewSonic LX700-4K$1,238.79 · Amazon
Buy
Key differences
White light outputANSI
3,000 lm ANSI3,500 lm ANSI
Native resolution
1080p (1920 × 1080)2.7K (2716 × 1528)
Throw ratio
0.69–0.83:11.06–1.45:1
Lowest input lag
16.7 msDerived4.2 msDerived
HDR formats
—HDR10, HLG
Light source
LampLaser (phosphor)
Fan noise
Normal 33 dB(A) · Eco 29 dB(A)Normal 31 dB(A) · Eco 26 dB(A)
MSRP
$749$1,299.99
Best price
$849$1,238.79
Room fit
Distance to screen
1.5–1.8 m2.3–3.2 m
Picture
White light outputANSI
3,000 lm ANSI3,500 lm ANSI
Imaging technology
DLPDLP
Chip / panel diagonal
0.65 in0.65 in
Native resolution
1080p (1920 × 1080)2.7K (2716 × 1528)
Native aspect
16:9Derived16:9Derived
Addressable resolution
—4K UHD (3840 × 2160)
Colour wheel segments
6—
Colour wheel speed
2×—
Dynamic contrast
10,000:13,000,000:1
Dynamic contrast method
—Light-source dimming
Colour gamut
Rec. 709 92% coverage—
Colour bit depth (per channel)
10 bit10 bit
Gamma / EOTF presets
2.2, 2.4, 2.6—
HDR formats
—HDR10, HLG
Colour management (CMS)
6-axis6-axis
Picture mode memories
2—
3D
YesYes
3D formats
Frame packing, Side-by-side, Top-bottom, Frame sequentialFrame sequential
3D glasses sync
DLP-LinkDLP-Link
Light source
Light source
LampLaser (phosphor)
Emitter
—Blue laser + phosphor
Lamp power
240 W—
Light-source life
4,000 h normal · 10,000 h eco · 15,000 h super eco · 10,000 h dynamic20,000 h normal · 30,000 h eco
Light output control
—Steps
Warm-up time
30 s—
Cool-down time
90 s—
Optics
Throw ratio
0.69–0.83:11.06–1.45:1
Image size
60–120 in30–300 in
Projection offset
103%137%
Zoom
OpticalOptical
Zoom ratio
1.2×Derived1.37×Derived
Focal length
10.2–12.24 mm15.99–21.42 mm
Aperture (f-number)
2.6–2.782.51–2.93
Focus
ManualManual
Autofocus
NoNo
Vertical lens shift
—-15–0%
Vertical keystone
40°30°
Horizontal keystone
—30°
Auto keystone
No—
Grid warp
—Yes
Interchangeable lens
—No
Motion & gaming
Frame interpolation (MEMC)
—No
Max input refresh
1080p: 60 Hz1080p: 240 Hz · 2560 × 1440: 120 Hz · 4K UHD: 60 Hz
Input lag
1080p: 60 Hz 16.7 ms1080p: 240 Hz 4.2 ms · 4K UHD: 60 Hz 16 ms
Gaming features
—ALLM
Inputs & control
HDMI inputs
HDMI 1.4 · HDMI 1.4 (HDCP 1.4)HDMI 2.0 (HDCP 2.2) · HDMI 2.0 (eARC, HDCP 2.2)
Other video inputs
VGA—
Max input resolution
WUXGA4K UHD
Audio inputs
3.5 mm—
USB media playback
No—
Control ports
RS-232RS-232, 12 V trigger
Horizontal scan
15–102 kHz15–135 kHz
Vertical scan
23–120 Hz23–240 Hz
Smart platform
Wi-Fi
—None
Ethernet
—No
Smart platform
—None
Audio
Speaker power
5 W15 W
Speakers
11
Layout
MonoMono
Tuned by
Waves MaxxAudio—
Audio outputs
3.5 mm3.5 mm, HDMI eARC
HDMI audio return
NoneDerivedeARCDerived
Physical & installation
Dimensions (W × D × H)
296 × 224 × 120 mm286 × 216 × 129 mm
Weight
2,700 g3,300 g
Orientations
Table, Ceiling, RearTable, Ceiling, Rear
Ceiling mount
M4, 20–25 mm screws3 × M4, 8 mm screws
Sealed optical engine
—Yes
Environment & power
Operating temperature
0–40°C0–40°C
Operating humidity
10–90%RH10–80%RH
Altitude
3,000 m · high-altitude mode3,048 m · high-altitude mode
Power draw
Max 355 W · Normal 320 W · Eco 240 W180 W
Standby
Up to 0.5 WUp to 0.5 W
Power supply
—External adapter
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Fan noise
Normal 33 dB(A) · Eco 29 dB(A)Normal 31 dB(A) · Eco 26 dB(A)
Safety & support
Laser class
—Class 1
Risk group
—RG2
Hazard distance
—1 m
Marks
CECE, FCC
Warranty
3 yr (light source 1 yr or 2,000 h)3 yr (light source 1 yr)
User manual
https://esupportdownload.benq.com/esupport/PROJECTOR/UserManual/TH671ST/TH671ST_UM_EN_230426092526.pdfhttps://www.viewsonicglobal.com/public/products_download/user_guide/projector/LX700-4K/LX700-4K_UG_ENG.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
IRBacklit
BenQ TH671ST$849 · Amazon
Buy
ViewSonic LX700-4K$1,238.79 · Amazon
Buy