GeForce GT 640 and Radeon RX 580X - video card comparison
Passmark - benchmark score GeForce GT 640 vs Radeon RX 580X
GeForce GT 640
1210
Radeon RX 580X
8032
GeForce GT 640
Radeon RX 580X
Architecture
Kepler (2012−2018)
GCN 4.0 (2016−2020)
GPU code name
GK107
Polaris 20
Market segment
Desktop
Desktop
Release date
June 2012
April 2018
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
1x 8-pin
Boost clock speed
-
1340 MHz
Core clock speed
902 MHz
1257 MHz
Floating-point performance
692.7 gflops
6,175 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
1,270 million
5,700 million
Pipelines / CUDA cores
384
2304
Power consumption (TDP)
65 Watt
185 Watt
Texture fill rate
28.86
193.0
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
8 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1782 MHz
8000 MHz
Memory bandwidth
28.51 GB/s
256.0 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x HDMI, 3x DisplayPort
HDMI
+
+
DirectX
12 (11_0)
12 (12_0)
CUDA
3.0
-
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.2.131