Panasonic PT-REZ15 vs Panasonic PT-RZ17K

Panasonic PT-REZ15 is lighter. Panasonic PT-RZ17K is brighter.

	Panasonic PT-REZ15	Panasonic PT-RZ17K

Key differences
White light outputISO
White light outputISO	15,000 lm ISO (Normal power) · 15,000 lm ANSI	16,000 lm ISO (Normal power) · 16,000 lm ANSI
Throw ratio
Throw ratio	1.36–2.1:1	—
Fan noise
Fan noise	Normal 42 dB(A) · Eco 42 dB(A)	Normal 43 dB(A) · Eco 43 dB(A)
Room fit80″100″120″150″
Distance to screen
Distance to screen	2.9–4.5 m	—
Picture
White light outputISO
White light outputISO	15,000 lm ISO (Normal power) · 15,000 lm ANSI	16,000 lm ISO (Normal power) · 16,000 lm ANSI
Brightness uniformity
Brightness uniformity	90%	90%
Brightness by mode
Brightness by mode	Normal 15,000 lm · Eco 12,000 lm	—
Eco brightness
Eco brightness	80%Derived	—
Imaging technology
Imaging technology	DLP	DLP
Chip / panel diagonal
Chip / panel diagonal	0.8 in	0.8 in
Native resolution
Native resolution	WUXGA (1920 × 1200)	WUXGA (1920 × 1200)
Native aspect
Native aspect	16:10Derived	16:10Derived
Dynamic contrast
Dynamic contrast	25,000:1	25,000:1
Dynamic contrast method
Dynamic contrast method	—	Light-source dimming
Gamma / EOTF presets
Gamma / EOTF presets	2.2, Custom	—
Colour temperature presets
Colour temperature presets	Custom	—
HDR formats
HDR formats	HLG	HLG
3D
3D	—	Yes
Light source
Light source
Light source	Laser (phosphor)	Laser (phosphor)
Light-source life
Light-source life	20,000 h normal · 24,000 h eco	20,000 h normal · 24,000 h eco
Life defined as
Life defined as	50% brightness	50% brightness
Optics
Throw ratio
Throw ratio	1.36–2.1:1	—
Image size
Image size	70–1,000 in	70–1,000 in
Zoom
Zoom	Optical	—
Zoom ratio
Zoom ratio	1.54×Derived	—
Focal length
Focal length	23.9–37.2 mm	—
Aperture (f-number)
Aperture (f-number)	1.84–2.31	—
Focus
Focus	Motorised	—
Vertical lens shift
Vertical lens shift	±60%	±66%
Horizontal lens shift
Horizontal lens shift	±29%	±24%
Motorised lens shift
Motorised lens shift	Yes	Yes
Vertical keystone
Vertical keystone	40°	45°
Horizontal keystone
Horizontal keystone	40°	40°
Grid warp
Grid warp	Yes	Yes
Interchangeable lens
Interchangeable lens	Yes	Yes
Inputs & control
HDMI inputs
HDMI inputs	2 × HDMI (HDCP 2.3)	2 × HDMI (HDCP 2.3)
Max input resolution
Max input resolution	DCI 4K	DCI 4K
Control ports
Control ports	RS-232	RS-232
PJLink
PJLink	Class 2	Class 2
Control-system drivers
Control-system drivers	Crestron, AMX	—
Horizontal scan
Horizontal scan	27–148 kHz	27–148 kHz
Vertical scan
Vertical scan	24–120 Hz	24–120 Hz
Smart platform
Ethernet
Ethernet	Yes	Yes
Physical & installation
Dimensions (W × D × H)
Dimensions (W × D × H)	498 × 648 × 212 mm	550 × 570 × 220 mm
Weight
Weight	28,700 g	35,000 g
Colours
Colours	Black	Black
Orientations
Orientations	Table, Ceiling, Rear, 360°	Table, Ceiling, Rear, 360°
Ceiling mount
Ceiling mount	5 × M6, 12 mm deep, 4 N·m	—
Dust filter
Dust filter	None	None
Ingress protection
Ingress protection	IP5X (light engine)	—
Environment & power
Operating temperature
Operating temperature	0–45°C	0–45°C
Operating humidity
Operating humidity	10–80%RH	10–80%RH
Altitude
Altitude	4,200 m	4,200 m
Power draw
Power draw	Max 1,090 W · Normal 945 W · Eco 730 W	Max 1,170 W · Normal 1,010 W · Eco 800 W
Standby
Standby	0.5 W	0.4 W
Mains input
Mains input	100–240 V · 50/60 Hz	100–240 V · 50/60 Hz
Fan noise
Fan noise	Normal 42 dB(A) · Eco 42 dB(A)	Normal 43 dB(A) · Eco 43 dB(A)
Safety & support
Laser class
Laser class	Class 1	Class 1
Risk group
Risk group	RG3	RG3
FDA laser notice
FDA laser notice	Notice 57	—
Marks
Marks	FCC	FCC
User manual
User manual	https://bizpartner.panasonic.net/public/ppr/file_view/213960	https://eu.connect.panasonic.com/sites/default/files/media/document/2025-08/rq25k_manual_en.pdf
In the box
In the box
In the box	Power cord, Remote, Remote batteries	Power cord, Remote, Remote batteries