ProjectorDB

Optoma ZK708T vs Sharp XP-P721Q-W

Optoma ZK708T is $943.04 cheaper and lighter.

Optoma ZK708T$5,298.94 · Amazon
Buy
Sharp XP-P721Q-W$6,241.98 · Amazon
Buy
Key differences
White light output
—7,200 lm ISO · 7,200 lm ANSI
Native resolution
—1080p (1920 × 1080)
Throw ratio
1.2–1.92:11.25–2:1
Lowest input lag
16.9 msDerived—
HDR formats
HDR10, HLG—
Fan noise
Max 36 dB(A) · Eco 33 dB(A)Normal 36 dB(A) · Eco 34 dB(A)
MSRP
$7,499—
Best price
$5,298.94$6,241.98
Room fit
Distance to screen
2.7–4.3 m2.8–4.4 m
Picture
White light output
—7,200 lm ISO · 7,200 lm ANSI
Claimed brightness (non-standard)
7,000 lm—
Brightness uniformity
85%—
Imaging technology
DLPDLP
Chip / panel diagonal
—0.65 in
Native resolution
—1080p (1920 × 1080)
Native aspect
16:9Derived16:9Derived
Pixel shift
—Yes (scheme not stated)
Addressable resolution
4K UHD (3840 × 2160)4K UHD (3840 × 2160)
Dynamic contrast
300,000:13,000,000:1
Dynamic contrast method
—Light-source dimming
Colour bit depth (per channel)
—10 bit
Gamma / EOTF presets
—2.2, 2.4, 2.6
HDR formats
HDR10, HLG—
Tone mapping
—Adjustable
Colour management (CMS)
—6-axis
3D
YesYes
3D formats
—Frame packing, Side-by-side, Top-bottom, Frame sequential
3D glasses sync
—DLP-Link
Light source
Light source
Laser (phosphor)Laser (phosphor)
Emitter
Blue laser + phosphorBlue laser + phosphor
Laser wavelengths
—B 455 nm
Light-source life
Up to 30,000 h20,000 h normal · 30,000 h eco
Life defined as
—50% brightness
Light output control
—Continuous
Constant brightness mode
—Yes
Optics
Throw ratio
1.2–1.92:11.25–2:1
Image size
31.5–302 in60–300 in
Projection offset
106%—
Zoom
OpticalOptical
Zoom ratio
1.6×Derived1.6×Derived
Focal length
17.63–27.9 mm18.7–29.6 mm
Aperture (f-number)
2.3–32–2.4
Focus
—Motorised
Vertical lens shift
-106–126%±55%
Horizontal lens shift
±10%±25%
Motorised lens shift
NoYes
Lens memory slots
—5
Vertical keystone
30°40°
Horizontal keystone
30°40°
Auto keystone
Yes—
Corner correction
4-corner—
Grid warp
—Yes
Motion & gaming
Max input refresh
—1080p: 240 Hz · 4K UHD: 60 Hz
Input lag
1080p: 60 Hz 33.8 ms · 120 Hz 17 ms · 240 Hz 17 ms · 4K UHD: 60 Hz 16.9 ms—
Inputs & control
HDMI inputs
2 × HDMI 2.02 × HDMI (HDCP 2.2)
Other video inputs
VGA, HDBaseTHDBaseT
Max input resolution
—4K UHD
Audio inputs
3.5 mm3.5 mm
Control ports
RS-232, 12 V triggerRS-232, Wired IR, 12 V trigger
PJLink
—Class 2
Control-system drivers
Crestron, AMXCrestron
Horizontal scan
15–140 kHz15–255 kHz
Vertical scan
24–120 Hz24–240 Hz
Smart platform
Wi-Fi
—None
Ethernet
YesYes
Audio
Speaker power
15 W20 W
Speakers
22
Layout
—Mono
Audio outputs
3.5 mm3.5 mm
HDMI audio return
NoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
374 × 302 × 117 mm486 × 433 × 186 mm
Weight
6,300 g14,700 g
Colours
—White
Orientations
Table, Ceiling, Rear, Portrait, 360°Table, Ceiling, Rear, Portrait, 360°
Ceiling mount
—4 × M4, screws ≥ 8 mm
Dust filter
—None
Ingress protection
IP6X (light engine)—
Sealed optical engine
YesYes
Environment & power
Operating temperature
0–40°C0–45°C
Operating humidity
10–85%RH10–85%RH
Altitude
—3,048 m · high-altitude mode
Power draw
Max 366 W · Normal 300 WMax 530 W · Normal 530 W · Eco 285 W
Standby
Up to 0.5 WUp to 0.5 W
Networked standby
—Up to 2 W
Power supply
—Built in
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Fan noise
Max 36 dB(A) · Eco 33 dB(A)Normal 36 dB(A) · Eco 34 dB(A)
Safety & support
Laser class
Class 1Class 1
Risk group
RG2RG2
FDA laser notice
Notice 57—
Marks
—CE, UKCA
Warranty
—🇨🇦 CA 5 yr or 20,000 h · 🇪🇺 EU 3 yr (light source 3 yr or 10,000 h)
User manual
https://region-resource.optoma.com/products/import/Documents/b0d04fc7-f84c-44a5-b36c-e8109cc85fa3.pdfhttps://www.projectorcentral.com/pdf/projector_manual_12438.pdf
In the box
In the box
Power cord, Remote, Remote batteries, Quick start guidePower cord, Remote, Remote batteries, Quick start guide
Remote
—IR
Optoma ZK708T$5,298.94 · Amazon
Buy
Sharp XP-P721Q-W$6,241.98 · Amazon
Buy