ProjectorDB

BenQ TH671ST vs BenQ TK800M

BenQ TH671STBenQ TH671ST
$849
BenQ TK800MBenQ TK800M
MSRP $1,299
Key differences
Native contrast (on/off)—10,000:1
Throw ratio0.69–0.83:11.5–1.65:1
Lowest input lag16.7 msDerived51 msDerived
HDR formats—HDR10, HLG
Price$849MSRP $1,299
Room fit
Distance to screen1.5–1.8 m3.3–3.7 m
Brightness
Rated brightness3,000 lmDerived3,000 lmDerived
White light outputANSI3,000 lm ANSI3,000 lm ANSI
Display system
Imaging technologyDLPDLP
Chip / panel diagonal0.65 in0.47 in
On-screen resolution1080p (1920 × 1080)Derived4K UHD (3840 × 2160)Derived
Native resolution1080p (1920 × 1080)1080p (1920 × 1080)
Native aspect16:9Derived16:9Derived
Pixel shift—XPR 4-way
Addressable resolution—4K UHD (3840 × 2160)
Colour wheel segments64
Colour wheel speed2×—
Contrast
Native contrast (on/off)—10,000:1
Dynamic contrast10,000:1—
Dynamic contrast method—None
Colour
Colour gamutRec. 709 92% coverageRec. 709 96% coverage
Colour bit depth (per channel)10 bit10 bit
Gamma / EOTF presets2.2, 2.4, 2.62.2, 2.4, 2.6
HDR
HDR formats—HDR10, HLG
Tone mapping—Adjustable
Calibration
Colour management (CMS)6-axis6-axis
Picture mode memories22
3D
3DYesYes
3D formatsFrame packing, Side-by-side, Top-bottom, Frame sequentialFrame packing, Side-by-side, Top-bottom, Frame sequential
3D glasses syncDLP-Link—
Light source
Light sourceLampLamp
Lamp power240 W240 W
Replacement lamp—5J.JHN05.001
Light-source life4,000 h normal · 10,000 h eco · 15,000 h super eco · 10,000 h dynamic4,000 h normal · 10,000 h eco · 15,000 h super eco · 8,000 h dynamic
Warm-up time30 s—
Cool-down time90 s—
Optics
Throw ratio0.69–0.83:11.5–1.65:1
Image size60–120 in60–200 in
Projection offset103%110%
ZoomOpticalOptical
Zoom ratio1.2×Derived1.1×Derived
Focal length10.2–12.24 mm15.84–17.45 mm
Aperture (f-number)2.6–2.782–2.05
FocusManualManual
AutofocusNo—
Vertical lens shift—None
Motorised lens shift—No
Vertical keystone40°40°
Auto keystoneNoYes
Interchangeable lens—No
Lens elements—7
Lens material—Glass
Motion & gaming
Frame interpolation (MEMC)—No
Max input refresh1080p: 60 Hz—
Max refresh at 1080p60 HzDerived—
Input lag1080p: 60 Hz 16.7 ms1080p: 60 Hz 51 ms
Lowest input lag16.7 msDerived51 msDerived
Inputs & control
HDMI inputsHDMI 1.4 · HDMI 1.4 (HDCP 1.4)HDMI 2.0 (HDCP 2.2) · HDMI 1.4 (HDCP 1.4)
HDMI inputs (count)2Derived2Derived
Newest HDMI versionHDMI 1.4DerivedHDMI 2.0Derived
Other video inputsVGAVGA
Max input resolutionWUXGA4K UHD
Audio inputs3.5 mm3.5 mm
USB media playbackNoNo
Control portsRS-232RS-232, + 12 V trigger
Horizontal scan15–102 kHz15–135 kHz
Vertical scan23–120 Hz23–120 Hz
Smart platform
Smart platform—None
Audio
Speaker power5 W5 W
Speakers11
LayoutMonoMono
Tuned byWaves MaxxAudio—
Audio outputs3.5 mm3.5 mm
HDMI audio returnNoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)296 × 224 × 120 mm353 × 272 × 135 mm
Weight2,700 g4,200 g
OrientationsTable, Ceiling, RearTable, Ceiling, Rear
Ceiling mountM4, 20–25 mm screwsM4, 20–25 mm screws
Environment & power
Operating temperature0–40°C0–40°C
Operating humidity10–90%RH10–90%RH
Altitude3,000 m · high-altitude mode3,000 m · high-altitude mode
Power drawMax 355 W · Normal 320 W · Eco 240 WMax 385 W · Normal 330 W · Eco 250 W
StandbyUp to 0.5 WUp to 0.5 W
Power supply—Built in
Mains input100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Noise
Fan noiseNormal 33 dB(A) · Eco 29 dB(A)Normal 33 dB(A) · Eco 29 dB(A)
Safety & compliance
Risk group—RG2
MarksCE—
Support & ownership
Warranty3 yr (light source 1 yr or 2,000 h)3 yr (light source 1 yr or 2,000 h)
User manualhttps://esupportdownload.benq.com/esupport/PROJECTOR/UserManual/TH671ST/TH671ST_UM_EN_230426092526.pdfhttps://esupportdownload.benq.com/esupport/PROJECTOR/UserManual/TK800M/TK800M_UM_EN_210701093638.pdf
Spare parts—Lamp 5J.JHN05.001
In the box
In the boxPower cord, Remote, Quick start guide, User manual, + VGA cable, + Lens capPower cord, Remote, + Remote batteries, Quick start guide, User manual, + Warranty card
RemoteIRIR · backlit