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Sapphire Radeon HD7970 HDMI 2xDP 3GB vs. Gigabyte GeForce GTX 1660 Super OC HDMI 3xDP 6GB + 7

Support for multiple graphics cards
Yes
No
Yes
No
No
No
No
Yes
No
Multi-GPU technology
CrossFireX
2-Way NVLink
2-Way NVLink
DirectX
11.1
12.0
12 Ultimate
12.0
12.0
12.0
12.0
12 Ultimate
12.0
OpenGL
4.2
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
Operating system
Linux, Windows Vista, Windows XP, Mac OS X, Windows 7
Windows 7, Windows 10
Linux, Windows 7, Windows 10
Linux, Windows 7, Windows 10
Linux, Windows 7, Windows 10
Linux, Windows 7, Windows 10
Linux, Windows 7, Windows 10
Linux, Windows 7, Windows 10
Windows 7, Windows 10
Vulkan
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
DisplayPort
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
DisplayPort version
1.2
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
Number of DisplayPort outputs
2 ​
3 ​
3 ​
3 ​
3 ​
3 ​
3 ​
2 ​
3 ​
Type of DisplayPort connector
Mini
Standard
Standard
Standard
Standard
Standard
Standard
DVI
Yes
No
No
No
No
No
No
No
Dual Link
1 ​
Single Link
0 ​
Number of DVI outputs
1 ​
HDMI
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
HDMI version
1.4a
2.0b
2.0b
2.0b
2.0b
2.0b
2.0b
2.0b
2.0b
Number of HDMI outputs
1 ​
1 ​
1 ​
1 ​
1 ​
1 ​
1 ​
2 ​
1 ​
Type of HDMI connector
Standard (Type A)
Standard (Type A)
Standard (Type A)
Standard (Type A)
Standard (Type A)
Standard (Type A)
Standard (Type A)
Other connectors
VirtualLink (USB Type C)
VGA outputs
0 ​
0 ​
0 ​
0 ​
0 ​
0 ​
0 ​
0 ​
0 ​
Length
275 mm
225.65 mm
254 mm
230 mm
230 mm
279.85 mm
304.7 mm
280 mm
Number of slots
2 ​
2 ​
2.3 ​
2 ​
2 ​
2.5 ​
2.7 ​
2 ​
Features
VR ready, Backplate
VR ready
Backplate
VR ready
VR ready, Backplate
VR ready, Backplate
VR ready, Backplate
Aftermarket cooler (non reference cooler)
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Chipset Manufacturer
AMD Radeon
NVIDIA GeForce
NVIDIA GeForce
AMD Radeon
AMD Radeon
AMD Radeon
AMD Radeon
NVIDIA GeForce
NVIDIA GeForce
Cooling
Active
Active
Active
Active
Active
Active
Active
Active
Number of fans
1 ​
2 ​
2 ​
2 ​
2 ​
3 ​
3 ​
3 ​
Semi-passive (passive at low efficiency)
Yes
Yes
Yes
Yes
Yes
Yes
Factory overclocked
No
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Graphics processor
Radeon HD7970
GeForce GTX 1660 Super
GeForce RTX 2070 Super
Radeon RX 5600 XT
Radeon RX 5700 XT
Radeon RX 5600 XT
Radeon RX 5700 XT
GeForce RTX 2080 Ti
GeForce GTX 1660 Super
Low profile
No
No
No
No
No
No
No
No
No
PCI Express channels
x16
x16
x16
x16
x16
x16
x16
x16
x16
PCI Express version
PCI-E 3.0
PCI-E 3.0
PCI-E 3.0
PCI-E 4.0
PCI-E 4.0
PCI-E 4.0
PCI-E 4.0
PCI-E 3.0
PCI-E 3.0
Unified Shading architecture
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Unified Shaders
2048
1408
2560
2304
2560
2304
2560
4352
1408
Maximum resolution
4096x2160
7680x4320
7680x4320
7680x4320
4096x2160
4096x2160
7680x4320
7680x4320
7680x4320
Number of supported monitors
6 ​
4 ​
4 ​
4 ​
4 ​
4 ​
4 ​
4 ​
4 ​
Memory acceleration
No
No
No
No
No
No
No
No
No
Memory bandwidth
264 GB/s
336 GB/s
448 GB/s
336 GB/s
448 GB/s
288 GB/s
448 GB/s
616 GB/s
336 GB/s
Memory capacity
3GB
6GB
8GB
6GB
8GB
6GB
8GB
11GB
6GB
Memory interface
384 bit
192 bit
256 bit
192 bit
256 bit
192 bit
256 bit
352 bit
192 bit
Memory speed (Effective frequency)
5500 MHz
14000 MHz
14000 MHz
14000 MHz
14000 MHz
14000 MHz
14000 MHz
Memory type
GDDR5
GDDR6
GDDR6
GDDR6
GDDR6
GDDR6
GDDR6
GDDR6
GDDR6
Release year
2011
2019
2020
2019
2020
2019
2018
2019
Supplementary power connector
1x8-pin
1x6+1x8-pin
1x8-pin
1x6+1x8-pin
1x8-pin
1x6+1x8-pin
2x8-pin
1x8-pin
Boost mode
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Processor speed (Boost)
1830 MHz
1770 MHz
1750 MHz
1905 MHz
1905 MHz
1665 MHz
1860 MHz
Processor speed
925 MHz
1530 MHz
1605 MHz
1615 MHz
1605 MHz
1650 MHz
1350 MHz
1530 MHz