Radeon HD 7730 and GeForce GT 640 OEM - video card comparison
Radeon HD 7730
GeForce GT 640 OEM
Architecture
GCN 1.0 (2012−2020)
Kepler (2012−2018)
GPU code name
Cape Verde
GK107
Market segment
Desktop
Desktop
Release date
May 2013
April 2012
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
None
Core clock speed
800 MHz
797 MHz
Floating-point performance
614.4 gflops
612.1 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,500 million
1,270 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
47 Watt
50 Watt
Texture fill rate
19.20
25.50
Memory type
GDDR5
DDR3
Maximum RAM amount
1 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
1x DVI, 1x HDMI, 1x 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