BenQ TH671ST vs TK800 vs TH575: Which Popular Home Cinema Projector Offers the Best 1080P Experience?

[Bellmeister]

Introduce​

Parameter	BenQ TH671ST​	BenQ TK800​	BenQ TH575​
Picture​	​	​	​
Price​	$799​	$1493.77​	$599​
Recommended Uses​	Indoor​	Home Cinema, Business​	Education, Home Cinema, Gaming, Business​
Highlight​	Picture Quality: Native Full HD 1080p, 92% Rec. 709 Color Accuracy, 3000 Lumens, high native contrast ratio Gaming Performance: Ultra-fast low input lag, refresh rate compatible with Xbox One X & PS4 Pro Projection Size: 100 inch screen from 5 feet away, projects up to 300 inches Awards: Best Projector for Gaming - High Ground Gaming 2019 Customer Support: 3-year limited parts and labor coverage, US-based customer service​	Resolution: 4K UHD (8.3 million pixels) Operating Temperature: 0 to 40°C HDR Quality: Hyper-realistic HDR10 Brightness: >3000 lumens Colour Accuracy: >92% Rec.709 Sports Experience: Dedicated modes with CinemaMaster Audio+2 Design: Compact and sleek with vertical keystone and 1.2x zoom​	Model: New 2023 Brightness: 3800 ANSI Lumens Contrast Ratio: 15,000:1 Resolution: 1080p Full HD Input Lag: 16ms (1080p@60Hz) Response Time: Microsecond DMD Projection Distance: 10.8ft for 100" image Use Case: Gaming projector​

Side-by-Side Comparison​

Display​

Parameter	BenQ TH671ST​	BenQ TK800​	BenQ TH575​
Screen Size​	60 Inches - 300 Inches​	N/A - 200 Inches​	30 Inches - 300 Inches​
Throw Distance​	5 Feet - 5 Feet​	-​	8 Feet - 5 Feet​
Contrast Ratio​	10000:1​	10000: 1​	15000:1​
Display Resolution​	1920 x 1200 Pixels​	3840 x 2160 pixels​	1920 x 1080 Pixels​
Native Resolution​	1920 x 1080​	3840 x 2160​	1920 x 1080​
Brightness​	3000 Lumen​	3000 ANSI Lumen​	3800 Lumen​
Display Type​	DLP​	DLP​	DLP​
Picture Quality Enhancement​	-​	-​	LED​

Features​

Parameter	BenQ TH671ST​	BenQ TK800​	BenQ TH575​
Video Encoding​	AVC​	-​	-​
Lamp Wattage​	240 Watts​	240 Watts​	210 Watts​
Light Source Life​	10000 Hours​	-​	15000 Hours​
Controller Type​	Remote Control​	Remote Control​	Remote Control, Button Control​
Control Method​	Remote​	Remote​	Remote​
Mount Type​	Ceiling Mount​	Tabletop Mount​	Tabletop Mount​
Noteworthy Features​	Speakers​	Portable​	Digital Keystone Correction, Speakers, 3d-Ready​

Connectivity​

Parameter	BenQ TH671ST​	BenQ TK800​	BenQ TH575​
Connectivity Technology​	HDMI​	HDMI​	HDMI​
Hardware Connectivity​	VGA, USB 2.0 Type A, HDMI​	D-Sub, USB, HDMI​	HDMI​
Compatible Devices​	Laptop, Gaming Console, Blu-ray Player​	-​	Laptop, Gaming Console, Speaker​

Measurements​

Parameter	BenQ TH671ST​	BenQ TK800​	BenQ TH575​
Dimensions L x W x H​	11.65"L x 9.5"W x 4.6"H​	-​	11.65"L x 8.7"W x 4.72"H​
Item Weight​	5.9 Pounds​	4.2 Kilograms​	7.7 Pounds​

Conclusion​

Product	PROS AND CONS​
BenQ TH671ST​	Pros • Incredible brightness, suitable for high ambient light conditions • Excellent picture quality with vibrant colors • Smooth gaming experience with no noticeable lag • Short throw capability allows for large image sizes from a close distance • Handy zoom feature and adjustable leveling screws for easy setup • Adequate sound quality for normal-sized rooms • Versatile usage for both indoor and outdoor settings Cons • Limited keystone adjustment options require precise mounting • Color richness may not match higher-end models like the horizon pro Overall Impression The BenQ TH671ST is a standout projector that impresses with its brightness and picture quality, making it a great choice for both gaming and movie nights, even in challenging lighting conditions. Its short throw design and user-friendly features enhance the overall experience, though users should be aware of its limited keystone adjustments. Overall, it's a solid investment for anyone looking to upgrade from budget models without sacrificing quality.
BenQ TK800​	Pros: • Stunning HDR performance, especially after calibration. • Excellent value for the price compared to high-end TVs. • Great for watching 4K movies, especially in dark environments. • Decent performance with gaming, particularly with certain titles. • 3D functionality works well with aftermarket glasses. Cons: • Out-of-the-box colors are muted and require calibration for optimal performance. • Gaming experience can vary; some games show washed-out colors. • Light bleeding around the screen can be distracting. • Keystoning issues present that may require adjustment of the projector position. • Performance in well-lit rooms is not as impressive as in dark settings. Overall Impression: The projector offers impressive HDR and 4K movie capabilities at a fraction of the price of a high-end TV, making it a compelling choice for home theater enthusiasts. After proper calibration, it delivers vibrant colors and a great viewing experience, particularly in dark environments. While there are some drawbacks in gaming performance and light management, the overall value and quality make it a worthwhile investment for those seeking a large-screen experience.
BenQ TH575​	Pros • Excellent picture quality with bright colors and vivid HD • Minimal input lag, great for gaming • Versatile use for both indoor and outdoor settings • Great value for the price compared to competitors • Replaceable bulb, extending the projector's lifespan • Quiet operation • Supports multiple HDMI ports and has a 3.5mm audio port Cons • Sound quality from built-in speaker is subpar • 3D quality may not meet expectations, though this is related to technology limitations • Limited keystone adjustment (only vertical) Overall Impression The BenQ TH575 is a fantastic entry-level projector that offers excellent image quality and versatility for various uses, making it a standout choice for first-time buyers. While the audio quality and 3D capabilities may not be the strongest points, the overall performance and value for money make it a highly recommended product.