ProjectorDB

BenQ AK800ST vs Sharp XP-V731U

BenQ AK800ST is $595.87 cheaper, quieter and lighter. Sharp XP-V731U is brighter and in stock.

BenQ AK800STMSRP $3,999
Sharp XP-V731U$4,594.87 · Amazon
Buy
Key differences
White light outputANSI
5,000 lm ANSI7,300 lm ISO (Normal power) · 7,300 lm ANSI
Native resolution
—WUXGA (1920 × 1200)
Throw ratio
0.69–0.83:10.32–5.93:1
Lowest input lag
4.8 msDerived—
HDR formats
HDR10, HLGHDR10
Fan noise
Normal 34 dB(A) · Eco 29 dB(A)Normal 40 dB(A) · Eco 31 dB(A)
MSRP
$3,999—
Best price
—$4,594.87
Room fit
Distance to screen
1.5–1.8 m0.69–13 m
Picture
White light outputANSI
5,000 lm ANSI7,300 lm ISO (Normal power) · 7,300 lm ANSI
Imaging technology
DLP3LCD
Chip / panel diagonal
0.65 in0.76 in
Native resolution
—WUXGA (1920 × 1200)
Native aspect
16:9Derived16:10Derived
Addressable resolution
4K UHD (3840 × 2160)—
Dynamic contrast
3,000,000:13,000,000:1
Colour gamut
Rec. 709 97% coverage—
Colour bit depth (per channel)
10 bit10 bit
HDR formats
HDR10, HLGHDR10
Colour management (CMS)
6-axis—
Greyscale control points
11—
Light source
Light source
Laser (phosphor)Laser (phosphor)
Emitter
Blue laser + phosphorBlue laser + phosphor
Laser wavelengths
—B 455 nm
Light-source life
20,000 h normal · 30,000 h ecoUp to 20,000 h max
Life defined as
—50% brightness
Light output control
Continuous—
Constant brightness mode
—Yes
Optics
Throw ratio
0.69–0.83:10.32–5.93:1
Throw measured from
Lens—
Image size
60–300 in30–500 in
Projection offset
103%—
Zoom
OpticalOptical
Zoom ratio
1.2×Derived18.53×Derived
Focal length
10.31–12.32 mm—
Aperture (f-number)
2.49–2.7—
Focus
MotorisedMotorised
Autofocus
Yes—
Autofocus runs
On demand—
Vertical lens shift
—-10–50%
Horizontal lens shift
—±20%
Motorised lens shift
—Yes
Vertical keystone
30°30°
Horizontal keystone
30°30°
Corner correction
4-corner—
Grid warp
YesYes
Auto setup
Fit to screen—
Interchangeable lens
—Yes
Motion & gaming
Frame interpolation (MEMC)
Yes—
Max input refresh
1080p: 240 Hz · 4K UHD: 60 Hz—
Input lag
1080p: 60 Hz 18.6 ms · 120 Hz 9.7 ms · 240 Hz 4.8 ms · 4K UHD: 60 Hz 18.1 ms—
Gaming features
ALLM—
Inputs & control
HDMI inputs
2 × HDMI 2.1 (HDCP 2.3) · HDMI 2.1 (eARC, HDCP 2.3)2 × HDMI 2.0 (HDCP 2.2)
Other video inputs
—HDBaseT
Max input resolution
4K UHDDCI 4K
USB media playback
Yes—
Control ports
RS-232RS-232, Wired IR
PJLink
—Class 2
Control-system drivers
—Crestron, AMX
Horizontal scan
15–135 kHz15–100 kHz
Vertical scan
23–240 Hz24–85 Hz
Smart platform
Ethernet
YesYes
Security updates until
31 Aug 2029—
Casting
Chromecast built-in, Miracast—
Audio
Speaker power
10 W—
Speakers
10
Audio outputs
3.5 mm, HDMI eARC3.5 mm
HDMI audio return
eARCDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
388 × 302 × 140 mm503 × 407 × 168 mm
Weight
5,900 g11,200 g
Colours
—Black, White
Orientations
Table, Ceiling, RearTable, Ceiling, Rear, Portrait, 360°
Ceiling mount
M4—
Dust filter
NoneReplaceable
Ingress protection
IP5X (light engine)—
Sealed optical engine
Yes—
Environment & power
Operating temperature
0–40°C0–45°C
Operating humidity
10–90%RH20–80%RH
Altitude
3,000 m · high-altitude mode2,600 m · high-altitude mode
Power draw
Max 327 W · Normal 285 W · Eco 223 WNormal 456 W · Eco 412 W
Standby
Up to 0.5 W0.16 W
Networked standby
Up to 2 W1.6 W
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Fan noise
Normal 34 dB(A) · Eco 29 dB(A)Normal 40 dB(A) · Eco 31 dB(A)
Safety & support
Laser class
Class 1Class 1
Risk group
RG2—
Marks
—CE, FCC, UL
Warranty
3 yr🇨🇦 CA 5 yr or 20,000 h · 🇺🇸 US 5 yr or 20,000 h · 🇪🇺 EU 3 yr (light source 3 yr or 10,000 h)
User manual
https://esupportdownload.benq.com/esupport/PROJECTOR%20FOR%20CONSUMER/UserManual/AK800ST/AK800ST_UM_EN_261009133619.pdfhttps://productadmin.sharp.ca//./uploads/product_downloads/v801u-user-manual-en.pdf
Spare parts
Mount CM00G3—
In the box
In the box
Power cord, Remote, Remote batteries, Quick start guide, Warranty cardPower cord, Remote, Remote batteries, Quick start guide, Lens cap
Remote
IRIR · backlit
BenQ AK800STMSRP $3,999
Sharp XP-V731U$4,594.87 · Amazon
Buy