Gigabyte GeForce RTX 2080 Super Gaming OC HDMI 3xDP 8GB vs. Gigabyte GeForce GTX 1660 Super Gaming OC HDMI 3xDP 6GB

Support for multiple graphics cards
Yes
No
Multi-GPU technology
2-Way NVLink
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
3 ​
3 ​
Type of DisplayPort connector
Standard
Standard
DVI
No
No
HDMI
Yes
Yes
HDMI version
2.0b
2.0b
Number of HDMI outputs
1 ​
1 ​
Type of HDMI connector
Standard (Type A)
Standard (Type A)
Other connectors
VirtualLink (USB Type C)
VGA outputs
0 ​
0 ​
Length
286.5 mm
280 mm
Number of slots
2 ​
2 ​
Features
VR ready, Backplate
VR ready, Backplate
Aftermarket cooler (non reference cooler)
Yes
Yes
Cooling
Active
Active
Number of fans
3 ​
3 ​
Semi-passive (passive at low efficiency)
Yes
Factory overclocked
Yes
Yes
Graphics processor
GeForce RTX 2080 Super
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
3072
1408
Maximum resolution
7680x4320
7680x4320
Number of supported monitors
4 ​
4 ​
Memory acceleration
No
No
Memory bandwidth
496 GB/s
336 GB/s
Memory capacity
8GB
6GB
Memory interface
256 bit
192 bit
Memory speed (Effective frequency)
15500 MHz
14000 MHz
Memory type
GDDR6
GDDR6
Release year
2019
2019
Supplementary power connector
1x6+1x8-pin
1x8-pin
Boost mode
Yes
Yes
Processor speed (Boost)
1845 MHz
1860 MHz
Processor speed
1650 MHz
1530 MHz