ProjectorDB

Christie DWU2400-JS vs Epson PowerLite L790U

Christie DWU2400-JS
Christie DWU2400-JS		Epson PowerLite L790UEpson PowerLite L790U
MSRP $4,502
Key differences
White light outputISO23,750 lm ISO · 20,000 lm ANSI7,300 lm ISO
Throw ratio—1.35–2.2:1
HDR formatsHDR10—
Fan noiseNormal 47 dB(A) · Eco 42 dB(A)Normal 34 dB(A) · Eco 26 dB(A)
Price—MSRP $4,502
Room fit
Distance to screen—2.9–4.7 m
Brightness
Rated brightness23,750 lmDerived7,300 lmDerived
White light outputISO23,750 lm ISO · 20,000 lm ANSI7,300 lm ISO
Colour light output—7,300 lm
Brightness uniformity—88%
Display system
Imaging technologyDLP3LCD
Chip / panel diagonal0.8 in0.67 in
On-screen resolutionWUXGA (1920 × 1200)DerivedWUXGA (1920 × 1200)Derived
Native resolutionWUXGA (1920 × 1200)WUXGA (1920 × 1200)
Native aspect16:10Derived16:10Derived
Colour wheel segments4—
Colour wheel speed3×—
Contrast
Dynamic contrast25,000:1Over 5,000,000:1
Colour
Colour bit depth (per channel)—10 bit
HDR
HDR formatsHDR10—
3D
3DYes—
3D formatsFrame packing, Side-by-side, Top-bottom, Frame sequential—
Light source
Light sourceLaser (phosphor)Laser (phosphor)
EmitterBlue laser + phosphor—
Light-source life20,000 h normal · 50,000 h eco20,000 h normal · 30,000 h eco
Life defined as50% brightness50% brightness
Light output control—Continuous
Constant brightness mode—Yes
Optics
Throw ratio—1.35–2.2:1
Image size—50–500 in
Zoom—Optical
Zoom ratio—1.63×Derived
Focal length—20–31.8 mm
Aperture (f-number)—1.5–1.7
FocusMotorisedManual
Vertical lens shift±120%±50%
Horizontal lens shift±50%±20%
Motorised lens shiftYesNo
Vertical keystone—30°
Horizontal keystone—30°
Corner correction4-corner—
Grid warpYes—
Interchangeable lensYesNo
Lens materialGlass—
Motion & gaming
Max input refresh1080p: 240 Hz—
Max refresh at 1080p240 HzDerived—
Inputs & control
HDMI inputs2 × HDMI 2.02 × HDMI (HDCP 2.3)
HDMI inputs (count)2Derived2Derived
Newest HDMI versionHDMI 2.0Derived—
Other video inputsHDBaseT, + SDIHDBaseT
Max input resolutionDCI 4K—
USB media playback—Yes
Control portsRS-232RS-232
PJLink—Class 2
Control-system driversCrestron, AMX+ Control4, Crestron, AMX
Horizontal scan15.38–135 kHz26–135 kHz
Vertical scan23.98–120 Hz23.98–60 Hz
Smart platform
Wi-Fi—Wi-Fi 6E
EthernetYesYes
Casting—AirPlay 2, Miracast
Audio
Speaker power—10 W
Speakers—1
Layout—Mono
Audio outputs—3.5 mm
HDMI audio return—NoneDerived
Physical & installation
Dimensions (W × D × H)—440 × 304 × 122 mm
Weight29,400 g8,664 g
Colours—White
Orientations+ 360°+ Table, + Ceiling, + Rear
Ceiling mount—4 × M4, screws ≤ 9 mm, 100 × 100 mm spacing
Dust filterReplaceableReplaceable
Environment & power
Operating temperature0–45°C0–45°C
Operating humidity10–85%RH20–80%RH
Altitude3,048 m3,048 m
Power drawNormal 1,290 W · Eco 990 WNormal 415 W · Eco 305 W
StandbyUp to 0.3 W0.3 W
Networked standbyUp to 6 W2.4 W
Power supplyBuilt in—
Mains input100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Noise
Fan noiseNormal 47 dB(A) · Eco 42 dB(A)Normal 34 dB(A) · Eco 26 dB(A)
Safety & compliance
Laser classClass 1Class 1
Risk groupRG3RG2
FDA laser noticeNotice 57Notice 57
Marks—FCC
Support & ownership
Warranty—🇺🇸 US 3 yr · 🇨🇦 CA 3 yr
User manualhttps://www.christiedigital.com/globalassets/resources/public/020-002122-03-Christie-LIT-MAN-USR-Jazz-Series.pdfhttps://download2.ebz.epson.net/sec_pubs_visual/eai/projectors/pdf/useg/EN/UsersGuide_EBL890E_EN_EAI.pdf
Firmware1.4.0 (Jul 2026)—
Spare partsAir filter 140-163101 · Mount 140-117100Air filter V13H134AF0 · Mount V12H809001 · Mount V12H808001
In the box
In the boxPower cord, RemotePower cord, Remote, + Remote batteries, + Quick start guide
RemoteIR—