GeForce 8400 GS and Radeon X800 XT AGP - video card comparison
GeForce 8400 GS
Radeon X800 XT AGP
Architecture
Tesla (2006−2010)
R400 (2004−2008)
GPU code name
G86
R420
Market segment
Desktop
Desktop
Release date
April 2007
March 2004
Interface
PCIe 1.0 x16
AGP 8x
Supplementary power connectors
None
1x Molex
SLI options
+
-
Core clock speed
459 MHz
500 MHz
Floating-point performance
29.376 gflops
-
Manufacturing process technology
80 nm
130 nm
Number of transistors
210 million
160 million
Pipelines / CUDA cores
16
-
Power consumption (TDP)
40 Watt
54 Watt
Texture fill rate
3.6 billion/sec
8.000
Memory type
DDR2
GDDR3
Maximum RAM amount
256 MB
256 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
800 MHz
1000 MHz
Memory bandwidth
6.4 GB/s
32 GB/s
Standard memory config per GPU
256 MB
-
Display Connectors
1x DVI, 1x VGA, 1x S-Video
1x DVI, 1x VGA, 1x S-Video
DirectX
11.1 (10_0)
9.0b (9_2)
CUDA
1.1
-
OpenCL
1.1
N/A
OpenGL
2.1
2.0
Shader Model
4.0
-
Vulkan
N/A
N/A