GeForce GT 640 OEM and Radeon HD 3650 AGP - video card comparison
GeForce GT 640 OEM
Radeon HD 3650 AGP
Architecture
Kepler (2012−2018)
TeraScale (2005−2013)
GPU code name
GK107
RV635
Market segment
Desktop
Desktop
Release date
April 2012
January 2008
Interface
PCIe 3.0 x16
AGP 8x
Supplementary power connectors
None
None
Core clock speed
797 MHz
725 MHz
Floating-point performance
612.1 gflops
174 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
1,270 million
378 million
Pipelines / CUDA cores
384
120
Power consumption (TDP)
50 Watt
65 Watt
Texture fill rate
25.50
5.800
Memory type
DDR3
DDR2
Maximum RAM amount
2 GB
512 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1782 MHz
1000 MHz
Memory bandwidth
28.51 GB/s
16 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x S-Video
HDMI
+
-
DirectX
12 (11_0)
10.1 (10_1)
CUDA
3.0
-
OpenCL
1.2
N/A
OpenGL
4.6
3.3
Shader Model
5.1
4.1
Vulkan
1.1.126
N/A