Radeon HD 6510 and GeForce GT 640 OEM Rebrand - video card comparison
Radeon HD 6510
GeForce GT 640 OEM Rebrand
Architecture
TeraScale 2 (2009−2015)
Fermi 2.0 (2010−2014)
GPU code name
Turks
GF116
Market segment
Desktop
Desktop
Release date
May 2011
April 2012
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Core clock speed
650 MHz
720 MHz
Floating-point performance
624.0 gflops
414.7 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
716 million
1,170 million
Pipelines / CUDA cores
320
144
Power consumption (TDP)
39 Watt
75 Watt
Texture fill rate
10.40
17.28
Memory type
GDDR3
DDR3
Maximum RAM amount
1 GB
1536 MB
Memory bus width
128 Bit
192 Bit
Memory clock speed
1334 MHz
1600 MHz
Memory bandwidth
21.34 GB/s
38.4 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
2x DVI, 1x mini-HDMI
HDMI
+
+
DirectX
11.2 (11_0)
12 (11_0)
CUDA
-
2.1
OpenCL
1.2
1.1
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
N/A