BenQ TK800M vs ViewSonic PX747-4K

ViewSonic PX747-4K is $110 cheaper and brighter.

Key differences
White light outputANSI
3,000 lm ANSI3,500 lm ANSI
Native resolution
1080p (1920 × 1080)—
Native contrast (on/off)
10,000:1—
Throw ratio
1.5–1.65:11.47–1.76:1
Lowest input lag
51 msDerived—
HDR formats
HDR10, HLG—
Fan noise
Normal 33 dB(A) · Eco 29 dB(A)—
MSRP
$1,299$1,189
Room fit
Distance to screen
3.3–3.7 m3.3–3.9 m
Picture
White light outputANSI
3,000 lm ANSI3,500 lm ANSI
Imaging technology
DLPDLP
Chip / panel diagonal
0.47 in—
Native resolution
1080p (1920 × 1080)—
Native aspect
16:9Derived16:9Derived
Pixel shift
XPR 4-wayYes (scheme not stated)
Addressable resolution
4K UHD (3840 × 2160)4K UHD (3840 × 2160)
Colour wheel segments
46
Native contrast (on/off)
10,000:1—
Dynamic contrast
—12,000:1
Dynamic contrast method
None—
Colour gamut
Rec. 709 96% coverage—
Colour bit depth (per channel)
10 bit10 bit
Gamma / EOTF presets
2.2, 2.4, 2.6—
HDR formats
HDR10, HLG—
Tone mapping
Adjustable—
Colour management (CMS)
6-axis—
Picture mode memories
2—
3D
Yes—
3D formats
Frame packing, Side-by-side, Top-bottom, Frame sequential—
Light source
Light source
LampLamp
Lamp power
240 W240 W
Replacement lamp
5J.JHN05.001RLC-117
Light-source life
4,000 h normal · 10,000 h eco · 15,000 h super eco · 8,000 h dynamic4,000 h normal · 15,000 h dynamic
Optics
Throw ratio
1.5–1.65:11.47–1.76:1
Image size
60–200 in30–300 in
Projection offset
110%—
Zoom
OpticalOptical
Zoom ratio
1.1×Derived1.2×Derived
Focal length
15.84–17.45 mm—
Aperture (f-number)
2–2.05—
Focus
ManualManual
Autofocus
—No
Vertical lens shift
NoneNone
Horizontal lens shift
—None
Motorised lens shift
No—
Vertical keystone
40°40°
Auto keystone
Yes—
Interchangeable lens
No—
Lens elements
7—
Lens material
Glass—
Motion & gaming
Frame interpolation (MEMC)
No—
Input lag
1080p: 60 Hz 51 ms—
Inputs & control
HDMI inputs
HDMI 2.0 (HDCP 2.2) · HDMI 1.4 (HDCP 1.4)HDMI 2.0 (HDCP 2.2) · HDMI 1.4 (HDCP 1.4)
Other video inputs
VGAVGA
Max input resolution
4K UHD4K UHD
Audio inputs
3.5 mm—
USB media playback
No—
Control ports
RS-232, 12 V triggerRS-232, 12 V trigger
Horizontal scan
15–135 kHz15–135 kHz
Vertical scan
23–120 Hz23–120 Hz
Smart platform
Smart platform
None—
Audio
Speaker power
5 W10 W
Speakers
11
Layout
MonoMono
Audio outputs
3.5 mm3.5 mm
HDMI audio return
NoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
353 × 272 × 135 mm332 × 261 × 135 mm
Weight
4,200 g4,200 g
Orientations
Table, Ceiling, RearTable, Ceiling, Rear
Ceiling mount
M4, 20–25 mm screwsM4, screws ≤ 8 mm
Environment & power
Operating temperature
0–40°C0–40°C
Operating humidity
10–90%RH0–90%RH
Altitude
3,000 m · high-altitude mode—
Power draw
Max 385 W · Normal 330 W · Eco 250 W310 W
Standby
Up to 0.5 WUp to 0.5 W
Power supply
Built in—
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Fan noise
Normal 33 dB(A) · Eco 29 dB(A)—
Safety & support
Risk group
RG2RG2
Marks
—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/TK800M/TK800M_UM_EN_210701093638.pdfhttps://www.viewsonicglobal.com/public/products_download/user_guide/Projector/PX727-4K_PX747-4K/PX727-4K_PX747-4K_UG_ENG.pdf
Spare parts
Lamp 5J.JHN05.001—
In the box
In the box
Power cord, Remote, Remote batteries, Quick start guide, User manual, Warranty cardPower cord, Remote, Quick start guide, VGA cable
Remote
IR · backlit—