Radeon HD 4850 and Radeon HD 5450 PCI - video card comparison
Radeon HD 4850
Radeon HD 5450 PCI
Architecture
Terascale 1 (2008−2010)
TeraScale 2 (2009−2015)
GPU code name
RV770
Cedar
Market segment
Desktop
Desktop
Release date
June 2008
February 2010
Interface
PCIe 2.0 x16
PCI
Supplementary power connectors
1x 6-pin
None
Core clock speed
625 MHz
650 MHz
Floating-point performance
1,000.0 gflops
104 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
956 million
292 million
Pipelines / CUDA cores
800
80
Power consumption (TDP)
110 Watt
19 Watt
Texture fill rate
25.00
5.200
Memory type
GDDR3
DDR2
Maximum RAM amount
512 MB
512 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
993 MHz
666 MHz
Memory bandwidth
63.55 GB/s
5.328 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x HDMI
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