
Radeon E8860 and GeForce GT 640 - video card comparison
Passmark - benchmark score Radeon E8860 vs GeForce GT 640
Radeon E8860
1737
GeForce GT 640
1210
Radeon E8860
GeForce GT 640
Architecture
GCN 1.0 (2012−2020)
Kepler (2012−2018)
GPU code name
Venus
GK107
Market segment
Desktop
Desktop
Release date
January 2014
June 2012
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
-
None
Boost clock speed
625 MHz
-
Core clock speed
575 MHz
902 MHz
Floating-point performance
800.0 gflops
692.7 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,500 million
1,270 million
Pipelines / CUDA cores
640
384
Power consumption (TDP)
37 Watt
65 Watt
Texture fill rate
25.00
28.86
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4500 MHz
1782 MHz
Memory bandwidth
72 GB/s
28.51 GB/s
Display Connectors
4x mini-DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12 (11_1)
12 (11_0)
CUDA
-
3.0
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.2.131
1.1.126