GeForce GT 640 Rev. 2 and Radeon HD 6510 - video card comparison
GeForce GT 640 Rev. 2
Radeon HD 6510
Architecture
Kepler 2.0 (2013−2015)
TeraScale 2 (2009−2015)
GPU code name
GK208
Turks
Market segment
Desktop
Desktop
Release date
May 2013
May 2011
Interface
PCIe 2.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
None
Core clock speed
1046 MHz
650 MHz
Floating-point performance
803.3 gflops
624.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
915 million
716 million
Pipelines / CUDA cores
384
320
Power consumption (TDP)
49 Watt
39 Watt
Texture fill rate
33.47
10.40
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
1 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
5008 MHz
1334 MHz
Memory bandwidth
40.06 GB/s
21.34 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x DVI, 1x HDMI, 1x VGA
HDMI
+
+
DirectX
12 (11_0)
11.2 (11_0)
CUDA
3.5
-
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
1.1.126
N/A