GeForce GT 640 and Radeon E9260 PCIe - video card comparison
GeForce GT 640
Radeon E9260 PCIe
Architecture
Kepler (2012−2018)
GCN 4.0 (2016−2020)
GPU code name
GK107
Baffin
Market segment
Desktop
Desktop
Release date
June 2012
September 2016
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
-
1200 MHz
Core clock speed
902 MHz
1090 MHz
Floating-point performance
692.7 gflops
2,150 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
1,270 million
3,000 million
Pipelines / CUDA cores
384
896
Power consumption (TDP)
65 Watt
80 Watt
Texture fill rate
28.86
57.60
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1782 MHz
7000 MHz
Memory bandwidth
28.51 GB/s
112.0 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
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