GeForce 8400 GS and Radeon HD 4580 - video card comparison
GeForce 8400 GS
Radeon HD 4580
Architecture
Tesla (2006−2010)
TeraScale (2005−2013)
GPU code name
G86
RV635
Market segment
Desktop
Desktop
Release date
April 2007
November 2011
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
SLI options
+
-
Core clock speed
459 MHz
796 MHz
Floating-point performance
29.376 gflops
191.04 gflops
Manufacturing process technology
80 nm
55 nm
Number of transistors
210 million
378 million
Pipelines / CUDA cores
16
120
Power consumption (TDP)
40 Watt
65 Watt
Texture fill rate
3.6 billion/sec
6.368
Memory type
DDR2
GDDR3
Maximum RAM amount
256 MB
512 MB
Memory bus width
64 Bit
128 Bit
Memory clock speed
800 MHz
1386 MHz
Memory bandwidth
6.4 GB/s
22.18 GB/s
Standard memory config per GPU
256 MB
-
Display Connectors
1x DVI, 1x VGA, 1x S-Video
2x DVI, 1x S-Video
DirectX
11.1 (10_0)
10.1 (10_1)
CUDA
1.1
-
OpenCL
1.1
N/A
OpenGL
2.1
3.3
Shader Model
4.0
4.1
Vulkan
N/A
N/A