GeForce 8400 GS and Radeon HD 3830 - video card comparison
GeForce 8400 GS
Radeon HD 3830
Architecture
Tesla (2006−2010)
TeraScale (2005−2013)
GPU code name
G86
RV670
Market segment
Desktop
Desktop
Release date
April 2007
April 2008
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
1x 6-pin
SLI options
+
-
Core clock speed
459 MHz
668 MHz
Floating-point performance
29.376 gflops
427.5 gflops
Manufacturing process technology
80 nm
55 nm
Number of transistors
210 million
666 million
Pipelines / CUDA cores
16
320
Power consumption (TDP)
40 Watt
75 Watt
Texture fill rate
3.6 billion/sec
10.69
Memory type
DDR2
GDDR3
Maximum RAM amount
256 MB
256 MB
Memory bus width
64 Bit
128 Bit
Memory clock speed
800 MHz
1656 MHz
Memory bandwidth
6.4 GB/s
26.5 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
N/A
OpenGL
2.1
3.3
Shader Model
4.0
4.1
Vulkan
N/A
N/A