Optoma UHD38 vs Optoma UHD50X

Optoma UHD38 and Optoma UHD50X are both 4K projectors. They have a similar appearance and are close in price.

Optoma UHD38 costs $1,449 while Optoma UHD50X costs $1,750. That’s because Optoma UHD50X is better in terms of throw ratio. Optoma UHD38 has a throw ratio range of 1.21:1 – 1.59:1 while Optoma UHD38 has a throw ratio range of 1.50:1 – 1.66:1.
To conclude, Optoma UHD38 is more cost-efficient as it is much brighter than Optoma UHD50X.

Product Name

Optoma UHD38

Optoma UHD50X

Product Image Optoma UHD38 Optoma UHD50X
Price $1,449.00 $1,750.00
Our Rating 8.5 8.0
Brand Optoma Optoma
Category projector projector

Optical Parameters

Optoma UHD38Optoma UHD50X
Brand Brand Optoma Optoma
Brand Model Brand Model Optoma UHD38 Optoma UHD50X
Brightness (ANSI lumens) Brightness (ANSI lumens) 4,000 Lumens 3,400 ANSI Lumens
Display Chip Display Chip 0.47" DLP x 1 0.47" DLP x 1
Display Technology Display Technology DLP DLP
Standard Resolution Standard Resolution 3840x2160 3840x2160
Maximum Supported Resolution Maximum Supported Resolution 3840x2160 3840x2160
Image Contrast Ratio Image Contrast Ratio 1,000,000:1 500,000:1 dynamic contrast ratio
Throw Ratio Throw Ratio 1.50:1 - 1.66:1 (D:W) 1.21:1 - 1.59:1 (D:W)
Keystone Correction Keystone Correction Horizontal/vertical+/-40° Vertical only
Lamp Life Lamp Life 4,000 hours / 15,000 hours (Eco) 4,000 hours / 15,000 hours (Eco)
Lamp Type Lamp Type 240W Metal Halide bulb

240W Metal Halide bulb
Focus technology Focus technology manual focus
manual focus

Projection Parameters

Optoma UHD38Optoma UHD50X
Product type Product type Home theater Home theater
Image Size Image Size,projector1 33" ~ 300" 34.20" - 302.67"
Screen ratio Screen ratio 16:9 (4K HD)
3D Stereoscopic film is a type of film that was first introduced in Hollywood on May 24, 1953 when stereoscopic films appeared. Full HD 3D 3D Ready
Sound System Sound System 10.0 Watts Mono 5.0 Watts Mono speaker


Optoma UHD38Optoma UHD50X
I/O Connection Ports Connection Ports Inputs 2 x HDMI 2.0, 1 x VGA (YPbPr/RGB), 1 x Audio 3.5mm
Outputs 1 x Audio 3.5mm, 1 x S/PDIF, 1 x USB-A power 1.5A
Control 1 x RS232, 1 x 12V trigger
12-Volt Trigger
Audio In: Mini Jack
Audio Out: Optical
HDMI 1.4a
HDMI 2.0
RS232: DB-9pin
USB x 2
VGA In: Dsub-15pin


Optoma UHD38Optoma UHD50X
Size(HxWxD) Size(HxWxD) 12.4" x 10.63" x 4.65" 4.60" x 12.40" x 10.60"
Power Usage Power Usage 202W~305W 347 Watts
Noise Level Noise Level 26dB 26 dB
Machine weight Machine weight 3.97kg 8.6 lbs
Accessories Accessories AC power cord
Remote control
2x AAA batteries
Basic user manual
UHD50X, AC power cord, remote control, batteries for remote and quick start guide card
Warranty Warranty 1 Year 3 years
other other 4.20ms input lag at 1080P, 16ms at 4K 4K/60: 25.8ms | 1080p/60: 23.8ms