Radeon HD 4860 and FireStream 9250 - video card comparison
Radeon HD 4860
FireStream 9250
Architecture
TeraScale (2005−2013)
TeraScale (2005−2013)
GPU code name
RV790
RV770
Market segment
Desktop
Desktop
Release date
September 2009
June 2008
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
1x 6-pin
Core clock speed
700 MHz
625 MHz
Floating-point performance
896.0 gflops
1,000.0 gflops
Manufacturing process technology
55 nm
55 nm
Number of transistors
959 million
956 million
Pipelines / CUDA cores
640
800
Power consumption (TDP)
130 Watt
150 Watt
Texture fill rate
22.40
25.00
Memory type
GDDR5
GDDR3
Maximum RAM amount
512 MB
1 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
3000 MHz
1986 MHz
Memory bandwidth
96 GB/s
63.55 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI
DirectX
10.1 (10_1)
10.1 (10_1)
OpenCL
1.1
1.1
OpenGL
3.3
3.3
Shader Model
4.1
4.1
Vulkan
N/A
N/A