Radeon HD 4850 and Radeon HD 7450 OEM - video card comparison
Radeon HD 4850
Radeon HD 7450 OEM
Architecture
Terascale 1 (2008−2010)
TeraScale 2 (2009−2015)
GPU code name
RV770
Caicos
Market segment
Desktop
Desktop
Release date
June 2008
January 2012
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
None
Core clock speed
625 MHz
625 MHz
Floating-point performance
1,000.0 gflops
200.0 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
956 million
370 million
Pipelines / CUDA cores
800
160
Power consumption (TDP)
110 Watt
18 Watt
Texture fill rate
25.00
5.000
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
993 MHz
1066 MHz
Memory bandwidth
63.55 GB/s
8.528 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