Epson CB-1780W vs Epson CB-2140W:Which One Wins?

Both Epson CB-1780W and Epson CB-2140W are 3LCD projectors with high brightness and contrast. What are the differences?

See the detailed parameter comparison below to get more information.

Product Name

Epson CB-1780W

Epson CB-2140W

Product Image Epson CB-1780W Epson CB-2140W
Our Rating 7.3 6.5
Brand Epson Epson
Category projector projector

Optical Parameters

Epson CB-1780WEpson CB-2140W
Brand Brand Epson Epson
Brand Model Brand Model Epson CB-1780W Epson CB-2140W
Brightness (ANSI lumens) Brightness (ANSI lumens) 3000 lumens 4200 lumens
Display Chip Display Chip three × 0.59 inch chip 0.59 inch chip
Display Technology Display Technology 3LCD 3LCD
Standard Resolution Standard Resolution WXGA(1280*800) WXGA(1280*800)
Image Contrast Ratio Image Contrast Ratio 10000:1 15000:1
Throw Ratio Throw Ratio 1.38:1 (zoom: wide angle)
2.24:1 (zoom: telephoto)
Keystone Correction Keystone Correction Horizontal: ± 30 degrees
Vertical: ± 45 degrees
Horizontal: ± 30 degrees
Vertical: ± 30 degrees
Lamp Life Lamp Life Normal mode: 4000 hours, economic mode: 7000 hours Normal mode: 5000 hours, economic mode: 10000 hours
Lamp Type Lamp Type Ultra high pressure mercury lamp
Focus technology Focus technology Electric focusing Manual focus

Projection Parameters

Epson CB-1780WEpson CB-2140W
Image Size Image Size,projector1 30-300 inches 29-280 inches
Screen ratio Screen ratio 16:10 16:10
Projection method Projection method Forward projection, rear projection, ceiling Forward projection, rear projection, ceiling


Epson CB-1780WEpson CB-2140W
I/O Connection Ports Connection Ports one × Video input: analog D-sub 15 pin
one × Video input: analog RCA
one × HDMI(MHL)
one × Audio input: stereo mini jack
two × HDMI (HDMI 1 compatible with MHL)
one × RJ45
one × Video input: RCA
one × Audio input: RCA (white x1, red x1)
two × Video input: D-sub 15 pin
two × Audio input: mini stereo


Epson CB-1780WEpson CB-2140W
Size(HxWxD) Size(HxWxD) Without foot nails 292 × 44× 213mm Without support leg 377 × one hundred and one × 291mm
Power Usage Power Usage Normal mode: 277w, economic mode: 200W Normal mode: 316W, economic mode: 228w, standby power: 0.31w
Noise Level Noise Level Economic mode: 28dB
Machine weight Machine weight 1.77kg 4.2kg
Warranty Warranty 2 years 2 years
other other Short focus