Radeon HD 4550 and Radeon HD 7590M - video card comparison
Radeon HD 4550
Radeon HD 7590M
Architecture
TeraScale (2005−2013)
Terascale 2 (2009−2015)
GPU code name
RV710
Thames XT
Market segment
Desktop
Laptop
Release date
September 2008
January 2012
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
-
Core clock speed
600 MHz
600 MHz
Floating-point performance
96 gflops
576.0 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
242 million
716 million
Pipelines / CUDA cores
80
480
Power consumption (TDP)
25 Watt
18 Watt
Texture fill rate
4.800
14.40
Memory type
DDR2
GDDR5
Maximum RAM amount
256 MB
1 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
1310 MHz
3200 MHz
Memory bandwidth
10.48 GB/s
25.6 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
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