GeForce 8400 and Radeon HD 8470 OEM - video card comparison
GeForce 8400
Radeon HD 8470 OEM
Architecture
Tesla (2006−2010)
TeraScale 2 (2009−2015)
GPU code name
G98
Caicos
Market segment
Desktop
Desktop
Release date
December 2007
January 2013
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Core clock speed
540 MHz
775 MHz
Floating-point performance
20.8 gflops
248.0 gflops
Manufacturing process technology
65 nm
40 nm
Number of transistors
210 million
370 million
Pipelines / CUDA cores
8
160
Power consumption (TDP)
25 Watt
35 Watt
Texture fill rate
4.320
6.200
Memory type
DDR2
GDDR5
Maximum RAM amount
256 MB
1 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
1000 MHz
3200 MHz
Memory bandwidth
8 GB/s
25.6 GB/s
Display Connectors
1x DVI, 1x VGA, 1x S-Video
1x DVI, 1x HDMI
HDMI
-
+
DirectX
11.1 (10_0)
11.2 (11_0)
CUDA
1.1
-
OpenCL
1.1
1.2
OpenGL
3.3
4.4
Shader Model
4.0
5.0
Vulkan
N/A
N/A