Radeon RX Vega 8 (Ryzen 2000/3000) and GeForce GTX 660 Rev. 2 - video card comparison
Radeon RX Vega 8 (Ryzen 2000/3000)
GeForce GTX 660 Rev. 2
Architecture
Vega (2017−2021)
Kepler (2012−2018)
GPU code name
Vega Raven Ridge
GK104
Market segment
Laptop
Desktop
Release date
October 2017
September 2014
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
1x 6-pin
Boost clock speed
1200 MHz
1032 MHz
Core clock speed
-
980 MHz
Floating-point performance
-
1,981 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
-
3,540 million
Pipelines / CUDA cores
512
960
Power consumption (TDP)
15 Watt
140 Watt
Texture fill rate
-
82.56
Memory type
-
GDDR5
Maximum RAM amount
-
2 GB
Memory bus width
-
192 Bit
Memory clock speed
-
6008 MHz
Memory bandwidth
-
144.2 GB/s
Shared memory
-
-
Display Connectors
-
2x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12_1
12 (11_0)
CUDA
-
3.0
OpenCL
-
1.2
OpenGL
-
4.6
Shader Model
-
5.1
Vulkan
-
1.1.126