BenQ TH685P vs TH575 vs TK700STi: What’s the Best Choice for Home Cinema and Gaming?

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Introduce​

Parameter	BenQ TH685P​	BenQ TH575​	BenQ TK700STi​
Picture​	​	​	​
Price​	$799​	-​	-​
Recommended Uses​	Gaming​	Education, Home Cinema, Gaming, Business​	Home Cinema, Gaming​
Highlight​	Model: TH685P (lacks VGA-in/Monitor-Out compared to TH685) Audio: Integrated 5W speaker by treVolo with equalizer Resolution: 1080P, 4K supported, HDR ready Brightness: 3500 ANSI lumens Image Size: 100 inches from 8.2 feet (2.5m) Color Accuracy: 95% Rec. 709 HDR Technology: HDR10 with enhanced whites and blacks Gaming Features: Low latency 8.3ms at 1080p/120Hz, Game Mode/Game Sound Mode, LumiExpert for eye strain reduction​	Model: New 2023 Brightness: 3800 ANSI Lumens Contrast Ratio: 15,000:1 Resolution: 1080p Full HD Low Latency: 16ms (1080p@60Hz) Projection Distance: 10.8ft for 100" image Features: Improved gaming performance, high contrast ratio for dark scenes​	Models: TK700, TK700STi Throw Capabilities: TK700STi - short throw (100" at 6.5ft), TK700 - standard throw (100" at 8.2ft) Resolution & Latency: 4K, 16ms low latency at 4K/60Hz Gaming Features: Game Mode, Game Sound Mode Console Compatibility: PS4, PS5, Nintendo Switch, Xbox Series X, Google Stadia Image Quality: Bright, sharp images, equalized audio Setup Features: 1.2x zoom, 2D Auto Vertical Keystone, Picture Rotation Adjustment Entertainment Platform: Google-certified Android TV, Google Play Store, 5,000+ apps​

Side-by-Side Comparison​

Display​

Parameter	BenQ TH685P​	BenQ TH575​	BenQ TK700STi​
Screen Size​	30 Inches - 300 Inches​	30 Inches - 300 Inches​	30 Inches - 300 Inches​
Throw Distance​	1.8 Feet - 1.5 Feet​	8 Feet - 5 Feet​	2.2 Feet - 21.5 Feet​
Contrast Ratio​	10000:1​	15000:1​	10000:1​
Display Resolution​	1920 x 1200 Pixels​	1920 x 1080 Pixels​	3840 x 2160 Pixels​
Native Resolution​	1920 x 1080​	1920 x 1080​	3840 x 2160​
Brightness​	3500 lumen​	3800 Lumen​	3000 Lumen​
Display Type​	DLP​	DLP​	DLP​
Picture Quality Enhancement​	-​	LED​	-​

Features​

Parameter	BenQ TH685P​	BenQ TH575​	BenQ TK700STi​
Video Encoding​	-​	-​	H.264 or H.265 (HEVC)​
Lamp Wattage​	5 Watts​	210 Watts​	5 Watts​
Light Source Life​	-​	15000 Hours​	20000 Hours​
Controller Type​	Button Control​	Remote Control, Button Control​	Remote Control, Button Control​
Control Method​	Voice​	Remote​	Remote​
Mount Type​	Tabletop Mount​	Tabletop Mount​	Floor Mount, Tabletop Mount, Ceiling Mount​
Noteworthy Features​	Speakers, Internet Ready, 3d-Ready​	Digital Keystone Correction, Speakers, 3d-Ready​	Digital Keystone Correction, Short Throw​

Connectivity​

Parameter	BenQ TH685P​	BenQ TH575​	BenQ TK700STi​
Connectivity Technology​	HDMI​	HDMI​	USB, HDMI, 3.5mm Jack​
Hardware Connectivity​	VGA, HDMI​	HDMI​	HDMI​
Compatible Devices​	Smartphone​	Laptop, Gaming Console, Speaker​	Laptop, Gaming Console, Speaker​

Measurements​

Parameter	BenQ TH685P​	BenQ TH575​	BenQ TK700STi​
Dimensions L x W x H​	12.28"L x 8.56"W x 4.33"H​	11.65"L x 8.7"W x 4.72"H​	18"L x 13"W x 7"H​
Item Weight​	6.2 Pounds​	7.65 Pounds​	6.83 Pounds​

Conclusion​

Product	PROS AND CONS​
BenQ TH685P​	Pros • Substantially brighter picture compared to the W1070 • Excellent performance in well-lit rooms • Improved picture quality with vibrant colors • Low input lag, making it suitable for gaming • Significant upgrade from older budget projectors Cons • Lack of horizontal keystone shift • Requires careful positioning, especially if not ceiling mounted • Can produce a lot of heat, potentially warming a small room
BenQ TH575​	Pros • Excellent picture quality with bright colors and vivid HD display • No lag in game mode, making it great for gaming • Versatile for multiple uses, including movies and golf simulators • Easy to use and set up • Affordable price point with better specs than competitors • Replaceable bulb, adding to long-term value • Manual focus and zoom capabilities Cons • Sound quality is subpar; external speakers recommended • Limited zoom capabilities and no horizontal keystone adjustment • Finding the optimal distance for different devices can be challenging
BenQ TK700STi​	Pros of BenQ TH690ST: • Stays cool during operation, reducing heat in the room • Almost silent operation on eco mode • Long lamp life, rarely needing replacement • Shorter throw distance, ideal for smaller spaces • Better color accuracy compared to bulb projectors • Reduced eye strain due to healthier light emission Cons of BenQ TK700STi: • Generates significant heat, increasing room temperature • Noisy fan operation, especially during gaming • Requires more frequent lamp replacements (every year or two) • Slightly inferior color quality, appearing washed out • Notable rainbow effects while viewing • Higher upfront cost due to 4K capability, which may not be necessary for all users • Better latency and framerate, but not significantly perceived by all users