
GeForce 8400 GS and Radeon 8500 X4 - video card comparison
GeForce 8400 GS
Radeon 8500 X4
Architecture
Tesla (2006−2010)
Rage 7 (2001−2006)
GPU code name
G86
R200
Market segment
Desktop
Desktop
Release date
April 2007
-
Interface
PCIe 1.0 x16
PCI-X
Supplementary power connectors
None
-
SLI options
+
-
Core clock speed
459 MHz
250 MHz
Floating-point performance
29.376 gflops
-
Manufacturing process technology
80 nm
150 nm
Number of transistors
210 million
60 million
Pipelines / CUDA cores
16
-
Power consumption (TDP)
40 Watt
92 Watt
Texture fill rate
3.6 billion/sec
2.000
Memory type
DDR2
DDR
Maximum RAM amount
256 MB
64 MB
Memory bus width
64 Bit
64 Bit
Memory clock speed
800 MHz
500 MBps
Memory bandwidth
6.4 GB/s
4 GB/s
Standard memory config per GPU
256 MB
-
Display Connectors
1x DVI, 1x VGA, 1x S-Video
2x DVI
DirectX
11.1 (10_0)
8.1
CUDA
1.1
-
OpenCL
1.1
N/A
OpenGL
2.1
1.3
Shader Model
4.0
-
Vulkan
N/A
N/A