Radeon HD 4870 and FireStream 9250 - video card comparison
Passmark - benchmark score Radeon HD 4870 vs FireStream 9250
Radeon HD 4870
1411
FireStream 9250
1199
Radeon HD 4870
FireStream 9250
Architecture
TeraScale (2005−2013)
TeraScale (2005−2013)
GPU code name
RV770
RV770
Market segment
Desktop
Desktop
Release date
June 2008
June 2008
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
1x 6-pin
Core clock speed
750 MHz
625 MHz
Floating-point performance
1,200.0 gflops
1,000.0 gflops
Manufacturing process technology
55 nm
55 nm
Number of transistors
956 million
956 million
Pipelines / CUDA cores
800
800
Power consumption (TDP)
150 Watt
150 Watt
Texture fill rate
30.00
25.00
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
1 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
3600 MHz
1986 MHz
Memory bandwidth
115.2 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