Radeon HD 4860 and Radeon HD 5450 - video card comparison
Radeon HD 4860
Radeon HD 5450
Architecture
TeraScale (2005−2013)
TeraScale 2 (2009−2015)
GPU code name
RV790
Cedar
Market segment
Desktop
Desktop
Release date
September 2009
February 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
None
Core clock speed
700 MHz
650 MHz
Floating-point performance
896.0 gflops
104 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
959 million
292 million
Pipelines / CUDA cores
640
80
Power consumption (TDP)
130 Watt
19 Watt
Texture fill rate
22.40
5.200
Memory type
GDDR5
DDR2
Maximum RAM amount
512 MB
2 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
3000 MHz
800 MHz
Memory bandwidth
96 GB/s
6.4 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
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