Optoma UHD55 vs BenQ TK700: Which is better?

Optoma UHD55 and BenQ TK700 are both 4K projectors. They are suitable for playing games because of their low input lag. Optoma UHD55 has brighter and larger contrast while BenQ TK700 is slightly better in terms of input lag and cheaper.

See more differences between Optoma UHD55 and BenQ TK700 with the side-by-side comparison below.

Product Name

Optoma UHD55

BenQ TK700

Product Image Optoma UHD55 BenQ TK700
Price $1,799.00 $1,499.00
Our Rating 8.5 8.3
Brand Optoma BenQ
Category projector projector

Optical Parameters

Optoma UHD55BenQ TK700
Brand Brand Optoma BenQ
Brand Model Brand Model Optoma UHD55 BenQ TK700
Brightness (ANSI lumens) Brightness (ANSI lumens) 3,600 ANSI lumens 3,200 ANSI Lumens
Display Technology Display Technology DLP DLP
Standard Resolution Standard Resolution 3480 x 2160 3840x2160
Maximum Supported Resolution Maximum Supported Resolution 3480 x 2160 3840x2160
Image Contrast Ratio Image Contrast Ratio Dynamic Contrast Ratio: 1,200,000:1 10,000:1
Throw Ratio Throw Ratio 1.21:1 - 1.59:1 1.127~1.46
Keystone Correction Keystone Correction Horizontal & Vertical Horizontal&Vertical ± 30 degrees
Lamp Life Lamp Life 4,000 hours / 15,000 hours (Eco) 4,000 hours / 15,000 hours (Eco)
Lamp Type Lamp Type Metal Halide bulb 240W Metal Halide bulb
Focus technology Focus technology manual focus manual focus

Projection Parameters

Optoma UHD55BenQ TK700
Product type Product type Home theater Home theater
Image Size Image Size,projector1 34.03" - 302.22" 29.96" - 300.15"
Screen ratio Screen ratio 16:9 (4K HD) 16:9
Screen color Screen color 10-bit 96% Rec.709 color gamut
Image Technology Image Technology HDR
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 Full HD 3D
Sound System Sound System 10.0 Watts Mono 5.0 Watts Mono speaker
Projection method Projection method Rear, forward, table, ceiling


Optoma UHD55BenQ TK700
I/O Connection Ports Connection Ports 12-Volt Trigger
Audio In: Mini Jack
Audio Out: Optical
HDMI 2.0
Network: RJ-45
RS232: DB-9pin
USB x 2
VGA In: Dsub-15pin
Wireless Networking
HDMI-1 (2.0b/HDCP2.2) ,
HDMI-2 (2.0b/HDCP2.2)
USB Type A (x1) ,
USB Type A-1 (2.0/Power Supply1.5A)
RS232 in (DB-9pin) (x1)
WiFi WiFi Yes


Optoma UHD55BenQ TK700
Size(HxWxD) Size(HxWxD) 115 x 315 x 254mm 312 x110 x 246 mm
Power Usage Power Usage 330 Watts 380 Watts
Noise Level Noise Level 26dB 35 dB / 29 dB (Eco)
Machine weight Machine weight 5.09kg 3.1 KG
Accessories Accessories AC power cord
Remote control with CR2025 battery
Quick start user manual
WUSB wireless adapter
Remote Control w/ Battery RCV013
Quick Start Guide (x1) 21L
Warranty Warranty 3 years
other other Frame Interpolation
Amazon Alexa
Streaming Apps
Google Assistant
Input lag: 4K/60: 16.9ms | 1080p/240: 4ms
Input Lag (Fast Mode),16 ms (4K@60Hz),16 ms (4K@60Hz) *downscalaing to 1080p,4 ms (1080p@240Hz),8 ms (1080p@120Hz)