ProjectorDB

Panasonic PT-RZ660 vs Sharp XP-P721Q-W

Panasonic PT-RZ660 is $1,949.64 cheaper and sharper. Sharp XP-P721Q-W is brighter and lighter.

Panasonic PT-RZ660$4,292.34 · Amazon
Buy
Sharp XP-P721Q-W$6,241.98 · Amazon
Buy
Key differences
White light outputISO
6,000 lm ISO (Normal power) · 6,000 lm ANSI7,200 lm ISO · 7,200 lm ANSI
Native resolution
WUXGA (1920 × 1200)1080p (1920 × 1080)
Throw ratio
1.7–2.4:11.25–2:1
Fan noise
35 dB(A)Normal 36 dB(A) · Eco 34 dB(A)
MSRP
$14,549—
Best price
$4,292.34$6,241.98
Room fit
Distance to screen
3.7–5.2 m2.8–4.4 m
Picture
White light outputISO
6,000 lm ISO (Normal power) · 6,000 lm ANSI7,200 lm ISO · 7,200 lm ANSI
Imaging technology
DLPDLP
Chip / panel diagonal
0.67 in0.65 in
Native resolution
WUXGA (1920 × 1200)1080p (1920 × 1080)
Native aspect
16:10Derived16:9Derived
Pixel shift
NoneYes (scheme not stated)
Addressable resolution
—4K UHD (3840 × 2160)
Dynamic contrast
10,000:13,000,000:1
Dynamic contrast method
Light-source dimmingLight-source dimming
Colour bit depth (per channel)
—10 bit
Gamma / EOTF presets
—2.2, 2.4, 2.6
Tone mapping
—Adjustable
Colour management (CMS)
—6-axis
3D
—Yes
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
20,000 h normal · 24,000 h eco20,000 h normal · 30,000 h eco
Life defined as
50% brightness50% brightness
Light output control
—Continuous
Constant brightness mode
YesYes
Optics
Throw ratio
1.7–2.4:11.25–2:1
Image size
50–600 in60–300 in
Zoom
OpticalOptical
Zoom ratio
1.41×Derived1.6×Derived
Focal length
25.6–35.7 mm18.7–29.6 mm
Aperture (f-number)
1.7–1.92–2.4
Focus
MotorisedMotorised
Vertical lens shift
-16–50%±55%
Horizontal lens shift
-30–10%±25%
Motorised lens shift
—Yes
Lens memory slots
—5
Vertical keystone
40°40°
Horizontal keystone
15°40°
Corner correction
4-corner—
Grid warp
—Yes
Interchangeable lens
Yes—
Motion & gaming
Max input refresh
—1080p: 240 Hz · 4K UHD: 60 Hz
Inputs & control
HDMI inputs
HDMI2 × HDMI (HDCP 2.2)
Other video inputs
VGA, HDBaseT, SDIHDBaseT
Max input resolution
WUXGA4K UHD
Audio inputs
—3.5 mm
Control ports
RS-232RS-232, Wired IR, 12 V trigger
PJLink
Class 1Class 2
Control-system drivers
CrestronCrestron
Horizontal scan
—15–255 kHz
Vertical scan
—24–240 Hz
Smart platform
Wi-Fi
—None
Ethernet
YesYes
Audio
Speaker power
—20 W
Speakers
02
Layout
—Mono
Audio outputs
—3.5 mm
HDMI audio return
—NoneDerived
Physical & installation
Dimensions (W × D × H)
498 × 581 × 200 mm486 × 433 × 186 mm
Weight
23,100 g14,700 g
Colours
Black, WhiteWhite
Orientations
Table, Ceiling, Rear, Portrait, 360°Table, Ceiling, Rear, Portrait, 360°
Ceiling mount
5 × M6, 12 mm screws4 × M4, screws ≥ 8 mm
Dust filter
—None
Sealed optical engine
YesYes
Environment & power
Operating temperature
0–45°C0–45°C
Operating humidity
10–80%RH10–85%RH
Altitude
4,200 m3,048 m · high-altitude mode
Power draw
Max 700 WMax 530 W · Normal 530 W · Eco 285 W
Standby
0.3 WUp to 0.5 W
Networked standby
3 WUp to 2 W
Power supply
Built inBuilt in
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Fan noise
35 dB(A)Normal 36 dB(A) · Eco 34 dB(A)
Safety & support
Laser class
Class 1 (US: Class 3R)Class 1
Risk group
RG2RG2
Marks
FCCCE, UKCA
Warranty
3 yr🇨🇦 CA 5 yr or 20,000 h · 🇪🇺 EU 3 yr (light source 3 yr or 10,000 h)
User manual
https://eu.connect.panasonic.com/sites/default/files/media/document/2025-08/rz770_rz660_manual_en.pdfhttps://www.projectorcentral.com/pdf/projector_manual_12438.pdf
In the box
In the box
Power cord, Remote, Remote batteries, Lens cap, Software CDPower cord, Remote, Remote batteries, Quick start guide
Remote
—IR
Panasonic PT-RZ660$4,292.34 · Amazon
Buy
Sharp XP-P721Q-W$6,241.98 · Amazon
Buy