GeForce 8400 GS and Radeon X1950 PRO AGP - video card comparison
GeForce 8400 GS
Radeon X1950 PRO AGP
Architecture
Tesla (2006−2010)
R500 (2005−2007)
GPU code name
G86
RV570
Market segment
Desktop
Desktop
Release date
April 2007
October 2006
Interface
PCIe 1.0 x16
AGP 8x
Supplementary power connectors
None
2x Molex
SLI options
+
-
Core clock speed
459 MHz
575 MHz
Floating-point performance
29.376 gflops
-
Manufacturing process technology
80 nm
80 nm
Number of transistors
210 million
330 million
Pipelines / CUDA cores
16
-
Power consumption (TDP)
40 Watt
66 Watt
Texture fill rate
3.6 billion/sec
6.900
Memory type
DDR2
GDDR3
Maximum RAM amount
256 MB
512 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
800 MHz
1380 MHz
Memory bandwidth
6.4 GB/s
44.16 GB/s
Standard memory config per GPU
256 MB
-
Display Connectors
1x DVI, 1x VGA, 1x S-Video
2x DVI, 1x S-Video
DirectX
11.1 (10_0)
9.0c (9_3)
CUDA
1.1
-
OpenCL
1.1
N/A
OpenGL
2.1
2.0
Shader Model
4.0
3.0
Vulkan
N/A
N/A