GeForce GTX 660 Rev. 2 and Radeon Vega 7 - video card comparison
GeForce GTX 660 Rev. 2
Radeon Vega 7
Architecture
Kepler (2012−2018)
GCN 5.1 (2018−2021)
GPU code name
GK104
Cezanne
Market segment
Desktop
Desktop
Release date
September 2014
April 2021
Interface
PCIe 3.0 x16
IGP
Supplementary power connectors
1x 6-pin
None
Boost clock speed
1032 MHz
1900 MHz
Core clock speed
980 MHz
-
Floating-point performance
1,981 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
3,540 million
9,800 million
Pipelines / CUDA cores
960
448
Power consumption (TDP)
140 Watt
45 Watt
Texture fill rate
82.56
53.20
Memory type
GDDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
192 Bit
System Shared
Memory clock speed
6008 MHz
System Shared
Memory bandwidth
144.2 GB/s
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
12 (12_1)
CUDA
3.0
-
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.2