Christie 4K1000-KS vs Christie DWU1075-GS

	Christie 4K1000-KS MSRP $14,461	Christie DWU1075-GS
Key differences
White light outputISO	10,050 lm ISO · 8,500 lm ANSI	10,875 lm ISO · 9,500 lm ANSI
Native contrast (on/off)	1,500:1	—
HDR formats	HDR10	—
Fan noise	Normal 40 dB(A) · Eco 38 dB(A)	Normal 35 dB(A) · Eco 32 dB(A)
Price	MSRP $14,461	—
Brightness
Rated brightness	10,050 lmDerived	10,875 lmDerived
White light outputISO	10,050 lm ISO · 8,500 lm ANSI	10,875 lm ISO · 9,500 lm ANSI
Display system
Imaging technology	DLP	DLP
Chip / panel diagonal	0.8 in	0.67 in
On-screen resolution	3840 × 2400Derived	WUXGA (1920 × 1200)Derived
Native resolution	WUXGA (1920 × 1200)	WUXGA (1920 × 1200)
Native aspect	16:10Derived	16:10Derived
Addressable resolution	3840 × 2400	—
Colour wheel segments	4	4
Colour wheel speed	4×	—
Contrast
Native contrast (on/off)	1,500:1	—
Dynamic contrast	25,000:1	6,000:1
Dynamic contrast method	Light-source dimming	Light-source dimming
HDR
HDR formats	HDR10	—
Tone mapping	Adjustable	—
3D
3D	Yes	Yes
3D formats	Frame packing, Side-by-side, Top-bottom, Frame sequential	Frame packing, Side-by-side, Top-bottom, Frame sequential
Light source
Light source	Laser (phosphor)	Laser (phosphor)
Emitter	Blue laser + phosphor	—
Light-source life	20,000 h max · 50,000 h eco	20,000 h
Life defined as	50% brightness	50% brightness
Constant brightness mode	—	Yes
Optics
Focus	Motorised	Motorised
Vertical lens shift	—	±100%
Horizontal lens shift	—	±30%
Motorised lens shift	Yes	Yes
Corner correction	4-corner	—
Grid warp	Yes	Yes
Interchangeable lens	Yes	Yes
Motion & gaming
Max input refresh	1080p: 240 Hz · 4K UHD: 60 Hz	—
Max refresh at 1080p	240 HzDerived	—
Max refresh at 4K	60 HzDerived	—
Inputs & control
HDMI inputs	2 × HDMI 2.0 (HDCP 2.2)	2 × HDMI
HDMI inputs (count)	2Derived	2Derived
Newest HDMI version	HDMI 2.0Derived	—
Other video inputs	HDBaseT, SDI	+ VGA, HDBaseT, SDI
Max input resolution	3840 × 2400	—
Control ports	RS-232, Wired IR	RS-232, Wired IR
PJLink	Class 2	—
Control-system drivers	Crestron, + AMX	Crestron
Horizontal scan	15.38–135 kHz	15–91 kHz
Vertical scan	23.98–120 Hz	24–85 Hz
Smart platform
Ethernet	Yes	Yes
Physical & installation
Weight	17,250 g	24,900 g
Orientations	360°	+ Portrait, 360°
Ceiling mount	4 × M4	—
Environment & power
Operating temperature	0–40°C	0–40°C
Operating humidity	10–85%RH	10–85%RH
Altitude	3,048 m	3,048 m · high-altitude mode
Power draw	Normal 656 W · Eco 527 W	1,070 W
Standby	Up to 0.3 W	—
Networked standby	Up to 8 W	—
Mains input	100–240 V · 50/60 Hz	100–240 V · 50/60 Hz
Noise
Fan noise	Normal 40 dB(A) · Eco 38 dB(A)	Normal 35 dB(A) · Eco 32 dB(A)
Safety & compliance
Laser class	Class 1	Class 1
Risk group	RG2	RG2
FDA laser notice	Notice 57	Notice 50
Marks	FCC	+ CE, FCC, + CCC, + KC, + PSE, + RCM
Support & ownership
User manual	https://www.christiedigital.com/globalassets/resources/public/020-002159-03-Christie-LIT-MAN-USR-Korus-Series.pdf	https://www.christiedigital.com/globalassets/resources/public/020-001225-04-christie-lit-man-usr-gs-series-1075.pdf
Firmware	1.1.0	—
Spare parts	Air filter 140-169107 · Air filter 140-168106	—
In the box
In the box	Power cord, Remote	Power cord, Remote, + User manual
Remote	IR	IR