Optoma ZH451 vs Sony VPL-EW575

Optoma ZH451 is sharper and lighter.

Key differences
White light output
4,600 lm ISO—
Native resolution
1080p (1920 × 1080)WXGA (1280 × 800)
Throw ratio
1.4–2.24:11.1–1.79:1
Lowest input lag
8.6 msDerived—
Light source
Laser (phosphor)Lamp
Fan noise
Max 31 dB(A) · Eco 29 dB(A)—
MSRP
—$1,900
Room fit
Distance to screen
3.1–5.0 m2.4–3.9 m
Picture
White light output
4,600 lm ISO—
Colour light output
—4,300 lm (Max power)
Claimed brightness (non-standard)
—4,300 lm
Brightness uniformity
75%—
Brightness by mode
—Max 4,300 lm · Normal 3,200 lm · Eco 2,400 lm
Eco brightness
—56%Derived
Imaging technology
DLP3LCD
Chip / panel diagonal
—0.75 in
Native resolution
1080p (1920 × 1080)WXGA (1280 × 800)
Native aspect
16:9Derived16:10Derived
Dynamic contrast
3,000,000:1—
Colour bit depth (per channel)
10 bit—
3D
Yes—
3D formats
Frame packing, Side-by-side, Top-bottom—
3D glasses sync
DLP-Link—
Light source
Light source
Laser (phosphor)Lamp
Lamp power
—225 W
Replacement lamp
—LMP-E221
Light-source life
30,000 h4,000 h max · 6,000 h normal · 10,000 h eco
Light output control
Steps—
Optics
Throw ratio
1.4–2.24:11.1–1.79:1
Image size
30–300 in30–300 in
Projection offset
116%—
Zoom
OpticalOptical
Zoom ratio
1.6×Derived1.63×Derived
Focal length
20.91–32.62 mm—
Aperture (f-number)
2.5–3.26—
Focus
ManualManual
Autofocus
No—
Vertical keystone
30°20°
Horizontal keystone
30°—
Auto keystone
—Yes
Corner correction
4-corner—
Interchangeable lens
—No
Motion & gaming
Input lag
1080p: 60 Hz 17 ms · 120 Hz 8.6 ms · 4K UHD: 60 Hz 16.9 ms—
Inputs & control
HDMI inputs
2 × HDMI 2.02 × HDMI
Other video inputs
VGAVGA, Component, Composite
Max input resolution
4K UHD1600 × 1200
Audio inputs
3.5 mm3.5 mm, Microphone
Control ports
RS-232, 12 V triggerRS-232
PJLink
Class 2—
Control-system drivers
Crestron, AMX—
Horizontal scan
15–135 kHz15–92 kHz
Vertical scan
24–120 Hz48–92 Hz
Smart platform
Ethernet
Yes—
Audio
Speaker power
15 W16 W
Speakers
11
Layout
MonoMono
Audio outputs
3.5 mm3.5 mm
HDMI audio return
NoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
274 × 216 × 114 mm365 × 252 × 96.2 mm
Weight
2,998 g4,100 g
Orientations
Table, Ceiling, Rear, Portrait, 360°—
Ceiling mount
M4, screws ≥ 10 mm—
Ingress protection
IP6X—
Environment & power
Operating temperature
0–40°C0–40°C
Operating humidity
0–80%RH20–80%RH
Altitude
2,500 m · high-altitude modeHigh-altitude mode
Power draw
Max 170 W · Eco 120 WMax 332 W · Normal 270 W · Eco 233 W
Standby
Up to 0.5 W0.5 W
Networked standby
—5.5 W
Power supply
External adapter—
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Fan noise
Max 31 dB(A) · Eco 29 dB(A)—
Safety & support
Laser class
Class 1—
Risk group
RG2—
Marks
FCC—
Warranty
—3 yr
User manual
https://region-resource.optoma.com/products/documents/mpTwkm9mUWvfsgMhppFmV04EqeoeeRYWmvKy7tBF.pdf—
Spare parts
—Lamp LMP-E221
In the box
In the box
Power cord, Remote, Remote batteries, User manualPower cord, Remote, Remote batteries, Quick start guide, User manual, VGA cable, Software CD