GeForce 8400 GS and Mobility Radeon HD 4850 X2 - video card comparison
GeForce 8400 GS
Mobility Radeon HD 4850 X2
Architecture
Tesla (2006−2010)
TeraScale (2005−2013)
GPU code name
G86
M98
Market segment
Desktop
Desktop
Release date
April 2007
January 2009
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
-
SLI options
+
-
Core clock speed
459 MHz
500 MHz
Floating-point performance
29.376 gflops
2x 800.0 gflops
Manufacturing process technology
80 nm
55 nm
Number of transistors
210 million
956 million
Pipelines / CUDA cores
16
800
Power consumption (TDP)
40 Watt
-
Texture fill rate
3.6 billion/sec
20.00
Memory type
DDR2
GDDR5
Maximum RAM amount
256 MB
1 GB
Memory bus width
64 Bit
256 Bit
Memory clock speed
800 MHz
2800 MHz
Memory bandwidth
6.4 GB/s
89.6 GB/s
Standard memory config per GPU
256 MB
-
Display Connectors
1x DVI, 1x VGA, 1x S-Video
No outputs
DirectX
11.1 (10_0)
10.1 (10_1)
CUDA
1.1
-
OpenCL
1.1
1.1
OpenGL
2.1
3.3
Shader Model
4.0
4.1
Vulkan
N/A
N/A