Radeon R5 220 OEM and GeForce GT 640 OEM Rebrand - video card comparison
Radeon R5 220 OEM
GeForce GT 640 OEM Rebrand
Architecture
TeraScale 2 (2009−2015)
Fermi 2.0 (2010−2014)
GPU code name
Cedar
GF116
Market segment
Desktop
Desktop
Release date
December 2013
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
104.0 gflops
414.7 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
292 million
1,170 million
Pipelines / CUDA cores
80
144
Power consumption (TDP)
19 Watt
75 Watt
Texture fill rate
5.200
17.28
Memory type
DDR3
DDR3
Maximum RAM amount
1 GB
1536 MB
Memory bus width
64 Bit
192 Bit
Memory clock speed
1066 MHz
1600 MHz
Memory bandwidth
8.528 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