Radeon HD 4870 X2 and FireStream 9350 - video card comparison
Radeon HD 4870 X2
FireStream 9350
Architecture
TeraScale (2005−2013)
TeraScale 2 (2009−2015)
GPU code name
R700
Cypress
Market segment
Desktop
Desktop
Release date
August 2008
June 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
1x 6-pin
Core clock speed
700 MHz
700 MHz
Floating-point performance
2x 1,120.0 gflops
2,016.0 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
956 million
2,154 million
Pipelines / CUDA cores
800
1440
Power consumption (TDP)
286 Watt
150 Watt
Texture fill rate
28.00
50.40
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
3600 MHz
4000 MHz
Memory bandwidth
115.2 GB/s
128.0 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DisplayPort
DirectX
10.1 (10_1)
11.2 (11_0)
OpenCL
1.1
1.2
OpenGL
3.3
4.4
Shader Model
4.1
5.0
Vulkan
N/A
N/A