Radeon HD 4860 and GeForce 8400 GS - video card comparison
Radeon HD 4860
GeForce 8400 GS
Architecture
TeraScale (2005−2013)
Tesla (2006−2010)
GPU code name
RV790
G86
Market segment
Desktop
Desktop
Release date
September 2009
April 2007
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
2x 6-pin
None
SLI options
-
+
Core clock speed
700 MHz
459 MHz
Floating-point performance
896.0 gflops
29.376 gflops
Manufacturing process technology
55 nm
80 nm
Number of transistors
959 million
210 million
Pipelines / CUDA cores
640
16
Power consumption (TDP)
130 Watt
40 Watt
Texture fill rate
22.40
3.6 billion/sec
Memory type
GDDR5
DDR2
Maximum RAM amount
512 MB
256 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
3000 MHz
800 MHz
Memory bandwidth
96 GB/s
6.4 GB/s
Standard memory config per GPU
-
256 MB
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x VGA, 1x S-Video
DirectX
10.1 (10_1)
11.1 (10_0)
CUDA
-
1.1
OpenCL
1.1
1.1
OpenGL
3.3
2.1
Shader Model
4.1
4.0
Vulkan
N/A
N/A