NEBULA Cosmos vs Cosmos Max vs ViewSonic PX701-4K: Which Popular Home Theater Projector Under $1,000 is Right for You?

[Bellmeister]

Introduce​

Parameter	NEBULA Cosmos​	NEBULA Cosmos Max​	ViewSonic PX701-4K​
Picture​	​	​	​
Price​	$699.99​	$742.15​	$827.99​
Recommended Uses​	Home​	['Entertainment', 'Home Cinema', 'Laptop', 'Smartphone']​	Home Cinema, Gaming​
Highlight​	Resolution: 1080p (4K supported) HDR Support: HDR10 Screen Size: 120-inch Digital Zoom: Yes Upscaling Technology: Hybrid Log Gamma (HLG) Audio System: Dolby Digital Plus, 360° sound Operating System: Android TV 9.0 App Availability: Over 7,000 apps (e.g., Prime Video, YouTube, Hulu) Firmware Updates: Required for peak performance​	True Cinema Experience: 4K UHD image quality Sound Quality: Dolby Digital Plus, 360° true 3D audio Adjustable Image Size: Built-in digital zoom, up to 150 inches Upscaling Technology: Hybrid Log Gamma (HLG) for non-HDR content Entertainment Options: Over 5000 apps via Android TV, including Prime Video, Hulu, Disney+, HBO Firmware Update: Recommended for peak performance​	Brightness: 3200 Lumens Resolution: 4K UHD Lamp Life: Up to 20,000 hours (SuperEco Mode) Color Technology: SuperColor, HDR/HGL support Gaming Performance: 4.2ms input lag, 240Hz refresh rate Setup Features: 1.1x optical zoom, anti-warping stabilization, H/V keystone adjustment​

Side-by-Side Comparison​

Display​

Parameter	NEBULA Cosmos​	NEBULA Cosmos Max​	ViewSonic PX701-4K​
Screen Size​	60 Inches - 120 Inches​	3E+1 Inches - 150 Inches​	30 Inches - 300 Inches​
Throw Distance​	1.6 Meters - 3.18 Meters​	1 Meters - 3 Meters​	1.5 Feet - 1.65 Feet​
Contrast Ratio​	High​	High (but not quantified)​	12000:1​
Display Resolution​	1920x1080(16:9, FHD)​	1280 x 720 Dots Per Inch​	2160 Pixels​
Native Resolution​	1920 x 1080​	1024 x 600​	3840 x 2160​
Brightness​	810 Lumen​	1500 lumen​	3200 Lumen​
Display Type​	DLP​	DLP​	DLP​
Picture Quality Enhancement​	HDR, upscaling, and dynamic brightness control​	HDR10 and HLG​	4K and HDR​

Features​

Parameter	NEBULA Cosmos​	NEBULA Cosmos Max​	ViewSonic PX701-4K​
Video Encoding​	H.265​	HDR10​	H.265​
Lamp Wattage​	20 Watts​	40 Watts​	203 Watts​
Light Source Life​	30000 Hours​	30000 Hours​	6000 Hours​
Controller Type​	Remote Control​	Remote Control​	Remote Control​
Control Method​	App, Remote​	App, Remote​	Remote​
Mount Type​	Tripod Mount​	Tripod Mount/Table Mount/Ceiling Mount​	Tabletop Mount​
Noteworthy Features​	1080P projector, 810 ANSI Lumens , Android TV 9.0, 4K Supported Projector, Digital Zoom, Auto Focus, HDR10​	4K projector, Android TV 9.0 with 5000+ Apps, 360° of True 3D Audio, HDR10, HLG, Portable​	HDR Content Support, Bright Images in Any Environment, Stunning 4K Ultra HD Resolution, Responsive Gameplay, Long Lamp Life, 3,200 ANSI Lumens​

Connectivity​

Parameter	NEBULA Cosmos​	NEBULA Cosmos Max​	ViewSonic PX701-4K​
Connectivity Technology​	USB, HDMI​	3.5mm Jack​	USB, HDMI​
Hardware Connectivity​	USB​	Bluetooth, USB, HDMI​	USB, HDMI​
Compatible Devices​	Television​	aaa, bbb​	Television, Gaming Console, Laptop​

Measurements​

Parameter	NEBULA Cosmos​	NEBULA Cosmos Max​	ViewSonic PX701-4K​
Dimensions L x W x H​	11.4"L x 7.8"W x 3.6"H​	1"L x 13.78"D x 250"W x 100"H​	8.7"L x 12.3"W x 4.3"H​
Item Weight​	3.3 Pounds​	3.8 Pounds​	6.2 Pounds​

Conclusion​

Product	PROS AND CONS​
NEBULA Cosmos​	Pros • Previously a great home theater projector • Convenient for outdoor movie nights • Familiarity with the older model Cons • Diminished quality in the new product compared to older versions • Muted colors and reduced brightness • Specifications appear tampered with and misleading • Lack of trust in advertising and product claims • Unfavorable customer experience with warranty and returns • Perceived decline in brand integrity and trustworthiness
NEBULA Cosmos Max​	Pros: • The design and build quality is excellent, featuring a stylish starlight top panel. • 4K image quality is bright and clear, suitable for daytime use in larger rooms. • User-friendly Android TV OS, supporting popular streaming services like Netflix, YouTube, and Prime Video. • Great sound quality with powerful bass from the built-in speaker, supporting Dolby Digital Plus. • No need to replace bulbs, which adds convenience compared to more expensive models. • Portable capability allows for outdoor use. Cons: • Not an ultra short throw projector, limiting placement options. • Slightly noisier than lower brightness models, due to higher heat generation. • Requires installation of Netflix and Prime Video via the Nebula Manager app, which may be inconvenient for some users. • Limited brightness in well-lit environments, making it harder to see near windows.
ViewSonic PX701-4K​	Pros: • Excellent picture quality with bright and vibrant colors • Good contrast and detail, especially notable when upgrading from 1080p to 4K • Easy setup process • Great features for the price, comparable to higher-end models • Supports 3D function with the latest firmware update • Large projection size (110 inches) for an immersive viewing experience • Auto-detects maximum resolution from connected devices Cons: • May require additional equipment (like a signal booster) for longer HDMI runs • Picture quality may not completely match higher-end TVs (e.g., Sony Bravia) • Initial brightness may be overwhelming for some users