GeForce 8400 GS and Radeon X850 XT AGP - video card comparison
GeForce 8400 GS
Radeon X850 XT AGP
Architecture
Tesla (2006−2010)
R400 (2004−2008)
GPU code name
G86
R481
Market segment
Desktop
Desktop
Release date
April 2007
February 2005
Interface
PCIe 1.0 x16
AGP 8x
Supplementary power connectors
None
1x Molex
SLI options
+
-
Core clock speed
459 MHz
520 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
69 Watt
Texture fill rate
3.6 billion/sec
8.320
Memory type
DDR2
GDDR3
Maximum RAM amount
256 MB
256 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
800 MHz
1080 MHz
Memory bandwidth
6.4 GB/s
34.56 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