Radeon HD 5870 and Radeon HD 7450 OEM - video card comparison
Radeon HD 5870
Radeon HD 7450 OEM
Architecture
TeraScale 2 (2009−2015)
TeraScale 2 (2009−2015)
GPU code name
Cypress
Caicos
Market segment
Desktop
Desktop
Release date
September 2009
January 2012
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
None
Core clock speed
850 MHz
625 MHz
Floating-point performance
2,720.0 gflops
200.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
2,154 million
370 million
Pipelines / CUDA cores
1600
160
Power consumption (TDP)
188 Watt
18 Watt
Texture fill rate
68.00
5.000
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
512 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
4800 MHz
1066 MHz
Memory bandwidth
153.6 GB/s
8.528 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI
HDMI
+
+
DirectX
11.2 (11_0)
11.2 (11_0)
OpenCL
1.2
1.2
OpenGL
4.4
4.4
Shader Model
5.0
5.0
Vulkan
N/A
N/A