ProjectorDB

BenQ AK900ST vs Sharp XP-P621U-W

Sharp XP-P621U-W is quieter and lighter.

BenQ AK900STMSRP $5,999
Sharp XP-P621U-W
Key differences
White light outputANSI
6,000 lm ANSI6,200 lm ISO · 6,200 lm ANSI
Native resolution
—WUXGA (1920 × 1200)
Throw ratio
0.81–0.89:11.08–1.76:1
Lowest input lag
4.8 msDerived—
HDR formats
HDR10, HLG—
Fan noise
Normal 34 dB(A) · Eco 29 dB(A)Normal 29 dB(A) · Eco 22 dB(A)
MSRP
$5,999—
Room fit
Distance to screen
1.8–2.0 m2.3–3.8 m
Picture
White light outputANSI
6,000 lm ANSI6,200 lm ISO · 6,200 lm ANSI
Imaging technology
DLP3LCD
Chip / panel diagonal
0.47 in0.64 in
Native resolution
—WUXGA (1920 × 1200)
Native aspect
16:9Derived16:10Derived
Pixel shift
Yes (scheme not stated)—
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
Gamma / EOTF presets
2.2, 2.4, 2.6—
HDR formats
HDR10, HLG—
Light source
Light source
Laser (phosphor)Laser (phosphor)
Emitter
—Blue laser + phosphor
Light-source life
20,000 h normal · 30,000 h eco20,000 h
Life defined as
—50% brightness
Light output control
ContinuousContinuous
Constant brightness mode
—Yes
Cool-down time
About 15 s—
Optics
Throw ratio
0.81–0.89:11.08–1.76:1
Image size
95–300 in30–300 in
Zoom
OpticalOptical
Zoom ratio
1.1×Derived1.63×Derived
Focal length
8.6–9.4 mm15.3–24.6 mm
Aperture (f-number)
1.83–1.861.58–2.02
Focus
MotorisedManual
Autofocus
Yes—
Autofocus runs
On demand—
Vertical lens shift
±60%0–44%
Horizontal lens shift
±23%±20%
Motorised lens shift
NoNo
Lens memory slots
5—
Vertical keystone
30°30°
Horizontal keystone
30°30°
Auto keystone
Yes—
Corner correction
4-corner—
Grid warp
YesYes
Auto setup
Fit to screen—
Motion & gaming
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 (HDCP 1.4)
Other video inputs
—HDBaseT
Max input resolution
4K UHD4K UHD
Control ports
RS-232RS-232
Control-system drivers
—Crestron, AMX
Horizontal scan
15–270 kHz15–100 kHz
Vertical scan
23–240 Hz50–120 Hz
Smart platform
Wi-Fi
—None
Ethernet
YesYes
Casting
Miracast—
Audio
Speaker power
20 W16 W
Speakers
11
Layout
MonoMono
Audio outputs
3.5 mm3.5 mm
HDMI audio return
eARCDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
521 × 351 × 166 mm480 × 407 × 143 mm
Weight
10,200 g9,600 g
Colours
—White
Orientations
—Table, Ceiling, Rear, Portrait, 360°
Ceiling mount
M44 × M4
Dust filter
—None
Ingress protection
IP5XIP5X (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
348 WNormal 315 W · Eco 260 W
Standby
Up to 0.5 W0.31 W
Networked standby
Up to 2 W0.8 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 29 dB(A) · Eco 22 dB(A)
Safety & support
Laser class
Class 1Class 1
Risk group
RG2RG2
Marks
—CE, UKCA, FCC, UL
Warranty
3 yr🇨🇦 CA 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/AK900ST/AK900ST_UM_EN_260915154537.pdfhttps://www.projectorcentral.com/pdf/projector_manual_12885.pdf
In the box
In the box
Power cord, Remote, Quick start guide, User manualPower cord, Remote, Remote batteries, Quick start guide, Lens cap
Remote
—IR