Epson CB-990U vs CB-G7400U: What Are the differences?

Epson CB-990U and CB-G7400U are both 3LCD projectors. The two projectors both have a high contrast ratio.  

What are the differences? See the detailed parameter comparison below to get more information.

Product Name

Epson CB-990U

Epson CB-G7400U

Product Image Epson CB-990U Epson CB-G7400U
Our Rating 6.8 7.0
Brand Epson Epson
Category projector projector

Optical Parameters

Epson CB-990UEpson CB-G7400U
Brand Brand Epson Epson
Brand Model Brand Model Epson CB-990U Epson CB-G7400U
Brightness (ANSI lumens) Brightness (ANSI lumens) 3800 lumens 5500 lumens
Display Chip Display Chip three × 0.67 inch chip three × 0.76 inch chip
Display Technology Display Technology 3LCD 3LCD
Standard Resolution Standard Resolution WUXGA(1920*1200) WUXGA(1920*1200)
Image Contrast Ratio Image Contrast Ratio 15000:1 50000:1
Throw Ratio Throw Ratio 1.44-2.33:1
Keystone Correction Keystone Correction Vertical: - 30-30 degrees
Horizontal: - 30-30 degrees
Lamp Life Lamp Life Normal mode: 6000 hours, economic mode: 12000 hours Normal mode: 3000 hours, vertical mode: 2000 hours
Focus technology Focus technology Manual focus Electric focusing

Projection Parameters

Epson CB-990UEpson CB-G7400U
Image Size Image Size,projector1 30-300 inches 50-300 inches
Screen ratio Screen ratio 16:10 16:10
Projection method Projection method Forward projection, rear projection, ceiling


Epson CB-990UEpson CB-G7400U
I/O Connection Ports Connection Ports two × Video input: D-sub 15 pin
one × Video input: RCA
two × Video input: HDMI (HDMI 2 interface supports MHL)
two × Audio input: stereo mini
one × Audio input: 2rca
one × Microphone input
one × Video input: D-sub 15 pin
one × Video input: 5bnc
one × HDMI
one × Video input: DVI-D
one × Video input: HD baset
three × Audio input: mini stereo


Epson CB-990UEpson CB-G7400U
Size(HxWxD) Size(HxWxD) three hundred and two × one hundred and five × 293mm five hundred and twenty-five × one hundred and eighty-nine × 472mm
Power Usage Power Usage Normal mode: 309w, economic mode: 227w Normal mode: 477w, standby power: 0.3w
Noise Level Noise Level Normal mode: 37db, economic mode: 28dB
Machine weight Machine weight 3.2kg 12.9kg
Warranty Warranty 2 years 2 years
other other 3D, short focus,