Optoma ML750 vs ML750ST: Which Portable WXGA Projector Should You Choose?

[Significant_Rate]

Introduce​

Parameter	Optoma ML750​	Optoma ML750ST​
Picture​	​	​
Price​	$599​	$1999​
Recommended Uses​	Home Cinema​	Home Cinema​
Highlight​	Compact size: Under one pound, palm-sized, fits in briefcase or backpack Picture quality: WXGA resolution (1280 x 800), 20,000:1 contrast ratio Light source: LED, 20,000 hours lifespan, 5 hours/day for 10+ years PC-free functionality: Media player, image viewer, document reader; requires optional USB Wi-Fi adapter Brightness: 700 lumens (LED) Throw ratio: 1.5:1​	Easy Set-Up: Auto Keystone adjustment for hassle-free image alignment in confined spaces Short Throw Projection: Projects a 100" image from less than 6 feet away Screen Mirroring: Wireless screen mirroring via HDMI with integrated HD cast Pro (WUSB adapter required, sold separately) Compact Size: Weighs under one pound; palm-sized for easy transport in briefcase or backpack, includes carry case PC-Free Functionality: Media player, image viewer, and document reader for USB and micro SD card display LED Light Source: 20,000 hours of life; lasts 7 times longer than traditional lamps​

Side-by-Side Comparison​

Display​

Parameter	Optoma ML750​	Optoma ML750ST​
Screen Size​	7.07 Feet - 100 Inches​	56.25 Inches - 150 Inches​
Throw Distance​	1.8 Feet - 10.6 Feet​	5.9 Inches - 21.25 Inches​
Contrast Ratio​	10000:1​	2000000:1​
Display Resolution​	1920 x 1080p​	3840 x 2160​
Native Resolution​	1280 x 800​	3840 x 2160​
Brightness​	700 Lumen​	2200 Lumen​
Display Type​	DLP​	DLP​
Picture Quality Enhancement​	DLP​	Triple Laser Tech, HDR10​

Features​

Parameter	Optoma ML750​	Optoma ML750ST​
Video Encoding​	AVC​	H.265 (HEVC)​
Lamp Wattage​	125 Watts​	-​
Light Source Life​	20000 Hours​	30000 Hours​
Controller Type​	-​	Remote Control​
Control Method​	-​	Remote​
Mount Type​	Tripod Mount​	Tabletop Mount​
Noteworthy Features​	3D-ready​	Triple Laser Tech, 107% BT.2020, 80”-150” Image Size, Dolby Atmos, 4K UHD, Active 3D, HDR 10, HDMI ARC, Android TV 10.0, MEMC, 8-Point Keystone Correction, Eletric Focus, Ultra Short Throw​

Connectivity​

Parameter	Optoma ML750​	Optoma ML750ST​
Connectivity Technology​	HDMI^MHL^Wireless​	Wireless (WiFi, Bluetooth) Wired (USB, HDMI)​
Hardware Connectivity​	USB​	HDMI, USB 2.0​
Compatible Devices​	-​	Television, Gaming Console, Laptop, Smartphone, Tablet​

Measurements​

Parameter	Optoma ML750​	Optoma ML750ST​
Dimensions L x W x H​	4.2"L x 4.1"W x 1.5"H​	20.5"L x 13"W x 6"H​
Item Weight​	14.1 Ounces​	-​

Conclusion​

Product	PROS AND CONS​
Optoma ML750​	Pros: • Easy to set up • Brighter than most portables, good even in dim light • Small, light, and efficient; fans work well and are quieter than a laptop Cons: • Requires constant focus adjustments • Large chord Overall Impression: The product offers great value, particularly for gaming and movie watching, with a bright and responsive display. Despite some minor focus issues and a bulky chord, it performs well for personal use, making it a strong contender in the portable projector market.
Optoma ML750ST​	Pros • True and realistic color reproduction • Great Atmos sound for an immersive experience • Flexibility to customize with any streaming device due to lack of built-in operating system • Easy setup process • Excellent performance for nighttime viewing • Good motion handling and 24p content playback • Competitive brightness for daylight viewing Cons • Requires a special remote for 3D content • Limited control over brightness levels • Focus uniformity issues, particularly in the upper right corner • Presence of a finger smudge on the lens raises concerns about quality control • Noticeable high-frequency noise from the fan Overall Impression The Casiris A6 ultra short projector delivers outstanding color performance and a solid audio experience, making it a strong contender in the projector market. While it excels in various aspects, such as ease of use and nighttime viewing, the focus uniformity issues and the finger smudge on the lens detract from its overall appeal. Nonetheless, for those prioritizing color accuracy and flexibility in setup, it remains a commendable choice, especially at its price point.