ProjectorDB

Optoma ZK708T vs Sharp XP-V731U

Optoma ZK708T is lighter and broader on HDR. Sharp XP-V731U is $704.07 cheaper.

Optoma ZK708T$5,298.94 · Amazon
Buy
Sharp XP-V731U$4,594.87 · Amazon
Buy
Key differences
White light output
—7,300 lm ISO (Normal power) · 7,300 lm ANSI
Native resolution
—WUXGA (1920 × 1200)
Throw ratio
1.2–1.92:10.32–5.93:1
Lowest input lag
16.9 msDerived—
HDR formats
HDR10, HLGHDR10
Fan noise
Max 36 dB(A) · Eco 33 dB(A)Normal 40 dB(A) · Eco 31 dB(A)
MSRP
$7,499—
Best price
$5,298.94$4,594.87
Room fit
Distance to screen
2.7–4.3 m0.69–13 m
Picture
White light output
—7,300 lm ISO (Normal power) · 7,300 lm ANSI
Claimed brightness (non-standard)
7,000 lm—
Brightness uniformity
85%—
Imaging technology
DLP3LCD
Chip / panel diagonal
—0.76 in
Native resolution
—WUXGA (1920 × 1200)
Native aspect
16:9Derived16:10Derived
Addressable resolution
4K UHD (3840 × 2160)—
Dynamic contrast
300,000:13,000,000:1
Colour bit depth (per channel)
—10 bit
HDR formats
HDR10, HLGHDR10
3D
Yes—
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 hUp to 20,000 h max
Life defined as
—50% brightness
Constant brightness mode
—Yes
Optics
Throw ratio
1.2–1.92:10.32–5.93:1
Image size
31.5–302 in30–500 in
Projection offset
106%—
Zoom
OpticalOptical
Zoom ratio
1.6×Derived18.53×Derived
Focal length
17.63–27.9 mm—
Aperture (f-number)
2.3–3—
Focus
—Motorised
Vertical lens shift
-106–126%-10–50%
Horizontal lens shift
±10%±20%
Motorised lens shift
NoYes
Vertical keystone
30°30°
Horizontal keystone
30°30°
Auto keystone
Yes—
Corner correction
4-corner—
Grid warp
—Yes
Interchangeable lens
—Yes
Motion & gaming
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 2.0 (HDCP 2.2)
Other video inputs
VGA, HDBaseTHDBaseT
Max input resolution
—DCI 4K
Audio inputs
3.5 mm—
Control ports
RS-232, 12 V triggerRS-232, Wired IR
PJLink
—Class 2
Control-system drivers
Crestron, AMXCrestron, AMX
Horizontal scan
15–140 kHz15–100 kHz
Vertical scan
24–120 Hz24–85 Hz
Smart platform
Ethernet
YesYes
Audio
Speaker power
15 W—
Speakers
20
Audio outputs
3.5 mm3.5 mm
HDMI audio return
NoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
374 × 302 × 117 mm503 × 407 × 168 mm
Weight
6,300 g11,200 g
Colours
—Black, White
Orientations
Table, Ceiling, Rear, Portrait, 360°Table, Ceiling, Rear, Portrait, 360°
Dust filter
—Replaceable
Ingress protection
IP6X (light engine)—
Sealed optical engine
Yes—
Environment & power
Operating temperature
0–40°C0–45°C
Operating humidity
10–85%RH20–80%RH
Altitude
—2,600 m · high-altitude mode
Power draw
Max 366 W · Normal 300 WNormal 456 W · Eco 412 W
Standby
Up to 0.5 W0.16 W
Networked standby
—1.6 W
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Fan noise
Max 36 dB(A) · Eco 33 dB(A)Normal 40 dB(A) · Eco 31 dB(A)
Safety & support
Laser class
Class 1Class 1
Risk group
RG2—
FDA laser notice
Notice 57—
Marks
—CE, FCC, UL
Warranty
—🇨🇦 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://region-resource.optoma.com/products/import/Documents/b0d04fc7-f84c-44a5-b36c-e8109cc85fa3.pdfhttps://productadmin.sharp.ca//./uploads/product_downloads/v801u-user-manual-en.pdf
In the box
In the box
Power cord, Remote, Remote batteries, Quick start guidePower cord, Remote, Remote batteries, Quick start guide, Lens cap
Remote
—IR · backlit
Optoma ZK708T$5,298.94 · Amazon
Buy
Sharp XP-V731U$4,594.87 · Amazon
Buy