Asus Radeon RX 580 Arez Dual OC 2xHDMI 2xDP 8GB vs. Gigabyte GeForce GTX 1660 Super OC HDMI 3xDP 6GB

Support for multiple graphics cards
Yes
No
Multi-GPU technology
CrossFireX
DirectX
12.0
12.0
OpenGL
4.5
4.6
Operating system
Linux, Windows 7, Windows 10
Windows 7, Windows 10
Vulkan
1.1
1.1
DisplayPort
Yes
Yes
DisplayPort version
1.4
1.4
Number of DisplayPort outputs
2 ​
3 ​
Type of DisplayPort connector
Standard
Standard
DVI
Yes
No
Dual Link
Single Link
Number of DVI outputs
1 ​
HDMI
Yes
Yes
HDMI version
2.0b
2.0b
Number of HDMI outputs
2 ​
1 ​
Type of HDMI connector
Standard (Type A)
Standard (Type A)
Other connectors
VGA outputs
0 ​
0 ​
Length
242 mm
225.65 mm
Number of slots
2 ​
2 ​
Features
VR ready
VR ready, Backplate
Aftermarket cooler (non reference cooler)
Yes
Yes
Cooling
Active
Active
Number of fans
2 ​
2 ​
Semi-passive (passive at low efficiency)
Yes
Factory overclocked
Yes
Yes
Graphics processor
Radeon RX 580
GeForce GTX 1660 Super
Low profile
No
No
PCI Express channels
x16
x16
PCI Express version
PCI-E 3.0
PCI-E 3.0
Unified Shading architecture
Yes
Yes
Unified Shaders
2304
1408
Maximum resolution
7680x4320
7680x4320
Number of supported monitors
4 ​
4 ​
Memory acceleration
No
No
Memory bandwidth
8 GB/s
336 GB/s
Memory capacity
8GB
6GB
Memory interface
256 bit
192 bit
Memory speed (Effective frequency)
8000 MHz
14000 MHz
Memory type
GDDR5
GDDR6
Release year
2019
Supplementary power connector
1x8-pin
1x8-pin
Boost mode
Yes
Yes
Processor speed (Boost)
1360 MHz
1830 MHz
Processor speed
1360 MHz
1530 MHz