GeForce 8400 GS and Radeon HD 7670 OEM - video card comparison
GeForce 8400 GS
Radeon HD 7670 OEM
Architecture
Tesla (2006−2010)
TeraScale 2 (2009−2015)
GPU code name
G86
Turks
Market segment
Desktop
Desktop
Release date
April 2007
January 2012
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
SLI options
+
-
Core clock speed
459 MHz
800 MHz
Floating-point performance
29.376 gflops
768.0 gflops
Manufacturing process technology
80 nm
40 nm
Number of transistors
210 million
716 million
Pipelines / CUDA cores
16
480
Power consumption (TDP)
40 Watt
66 Watt
Texture fill rate
3.6 billion/sec
19.20
Memory type
DDR2
GDDR5
Maximum RAM amount
256 MB
512 MB
Memory bus width
64 Bit
128 Bit
Memory clock speed
800 MHz
4000 MHz
Memory bandwidth
6.4 GB/s
64 GB/s
Standard memory config per GPU
256 MB
-
Display Connectors
1x DVI, 1x VGA, 1x S-Video
1x DVI, 1x DisplayPort, 1x VGA
DirectX
11.1 (10_0)
11.2 (11_0)
CUDA
1.1
-
OpenCL
1.1
1.2
OpenGL
2.1
4.4
Shader Model
4.0
5.0
Vulkan
N/A
N/A