Optoma X402 vs Optoma X400

Optoma X402 and Optoma X400 are both DLP projectors from the Optoma X series.

In terms of brightness, Optoma X402 has 4,200 lumens while X400 has 4,000 lumens. Regarding resolution, the two projectors have the same XGA resolution, but they are different in the max supported resolution. Optoma X402 has a max image size of 307inches while Optoma X400 has 252 inches.

Product Name

Optoma X402

Optoma X400

Product Image Optoma X402 Optoma X400
Our Rating 7.5 7.5
Brand Optoma Optoma
Category projector projector

Optical Parameters

Optoma X402Optoma X400
Brand Brand Optoma Optoma
Brand Model Brand Model Optoma X402 Optoma X400
Brightness (ANSI lumens) Brightness (ANSI lumens) 4200 lumens 4000 lumens
Display Chip Display Chip Texas Instruments DLP digital optical processing projection technology Texas Instruments DLP digital optical processing projection technology
Display Technology Display Technology DLP
Standard Resolution Standard Resolution XGA(1024*768) XGA(1024*768)
Maximum Supported Resolution Maximum Supported Resolution 1920x 1080 UXGA(1600*1200)
Image Contrast Ratio Image Contrast Ratio 20000:1 22000:1
Throw Ratio Throw Ratio 1.6-1.92 :1/115%
Keystone Correction Keystone Correction Vertical: ± 40 degrees Vertical: ± 40 degrees
Lamp Life Lamp Life Highlight mode: 3000 hours, intelligent power saving mode: 6500 hours Normal mode: 5000 hours, economic mode: 6500 hours
Focus technology Focus technology Manual focus

Projection Parameters

Optoma X402Optoma X400
Product type Product type Commercial projector Commercial projector
Image Size Image Size,projector1 30-307 inches 22.9-252 inches
Screen ratio Screen ratio 4:3/16:9


Optoma X402Optoma X400
I/O Connection Ports Connection Ports 1×HDMI 1.4b
1×Composite Video
2×Min-Jack Audio In
1×Mini USB
1×+12V Relay
1×VGA Out
1×Min-Jack Audio out
1×RS-232 control interface(9 Pin)
1×Audio in
1×Audio out


Optoma X402Optoma X400
Size(HxWxD) Size(HxWxD) 314.3×223.6×101.7mm 198×230×96.5mm
Power Usage Power Usage Max337w, standby power: ≤ 0.5W 274w, standby power: 0.5W
Noise Level Noise Level 33dB 29dB
Machine weight Machine weight 2.7kg 2.5kg
Warranty Warranty 2 years 2 years
other other 3D