GeForce GT 640 OEM and Radeon HD 8730 OEM - video card comparison
GeForce GT 640 OEM
Radeon HD 8730 OEM
Architecture
Kepler (2012−2018)
GCN 1.0 (2012−2020)
GPU code name
GK107
Cape Verde
Market segment
Desktop
Desktop
Release date
April 2012
September 2013
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
None
Core clock speed
797 MHz
800 MHz
Floating-point performance
612.1 gflops
614.4 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,270 million
1,500 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
50 Watt
47 Watt
Texture fill rate
25.50
19.20
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1782 MHz
4500 MHz
Memory bandwidth
28.51 GB/s
72 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
DirectX
12 (11_0)
12 (11_1)
CUDA
3.0
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.2.131