Gigabyte GeForce GTX 1660 Super OC HDMI 3xDP 6GB vs. Asus GeForce RTX 3090 ROG Strix Gaming OC 2xHDMI 3xDP 24GB

Support for multiple graphics cards
No
Yes
Multi-GPU technology
2-Way NVLink
DirectX
12.0
12 Ultimate
OpenGL
4.6
4.6
Operating system
Windows 7, Windows 10
Linux, Windows 10
Vulkan
1.2
1.2
DisplayPort
Yes
Yes
DisplayPort version
1.4
1.4a
Number of DisplayPort outputs
3 ​
3 ​
Type of DisplayPort connector
Standard
Standard
DVI
No
No
HDMI
Yes
Yes
HDMI version
2.0b
2.1
Number of HDMI outputs
1 ​
2 ​
Type of HDMI connector
Standard (Type A)
Standard (Type A)
Other connectors
VGA outputs
0 ​
0 ​
Length
225.65 mm
318.5 mm
Number of slots
2 ​
2.9 ​
Features
VR ready, Backplate
VR ready, Backplate
Aftermarket cooler (non reference cooler)
Yes
Yes
Chipset Manufacturer
NVIDIA GeForce
NVIDIA GeForce
Cooling
Active
Active
Number of fans
2 ​
3 ​
Semi-passive (passive at low efficiency)
Yes
Factory overclocked
Yes
Yes
Graphics processor
GeForce GTX 1660 Super
GeForce RTX 3090
Low profile
No
No
PCI Express channels
x16
x16
PCI Express version
PCI-E 3.0
PCI-E 4.0
Unified Shading architecture
Yes
Yes
Unified Shaders
1408
10496
Maximum resolution
7680x4320
7680x4320
Number of supported monitors
4 ​
4 ​
Memory acceleration
No
No
Memory bandwidth
336 GB/s
936 GB/s
Memory capacity
6GB
24GB
Memory interface
192 bit
384 bit
Memory speed (Effective frequency)
14000 MHz
19500 MHz
Memory type
GDDR6
GDDR6X
Release year
2019
2020
Supplementary power connector
1x8-pin
3x8-pin
Boost mode
Yes
Yes
Processor speed (Boost)
1830 MHz
Processor speed
1530 MHz
1395 MHz