Radeon HD 7590M vs ATI HD 4550

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking1200not rated
Place by popularitynot in top-100not in top-100
Power efficiency1.70no data
ArchitectureTeraScale (2005−2013)TeraScale 2 (2009−2015)
GPU code nameRV710Thames
Market segmentDesktopLaptop
Release date30 September 2008 (16 years ago)7 January 2012 (12 years ago)
Launch price (MSRP)$59 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores80480
Core clock speed600 MHz600 MHz
Number of transistors242 million716 million
Manufacturing process technology55 nm40 nm
Power consumption (TDP)25 Watt18 Watt
Texture fill rate4.80014.40
Floating-point processing power0.096 TFLOPS0.576 TFLOPS
ROPs48
TMUs824

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Laptop sizeno datamedium sized
InterfacePCIe 2.0 x16PCIe 2.0 x16
Length168 mmno data
Width1-slotno data
Supplementary power connectorsNoneno data

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeDDR2GDDR5
Maximum RAM amount256 MB1 GB
Memory bus width64 Bit64 Bit
Memory clock speed655 MHz800 MHz
Memory bandwidth10.48 GB/s25.6 GB/s
Shared memoryno data-

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors1x DVI, 1x HDMI, 1x DisplayPortNo outputs
HDMI+-

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX10.1 (10_1)11.2 (11_0)
Shader Model4.15.0
OpenGL3.34.4
OpenCL1.11.2
VulkanN/AN/A

Pros & cons summary


Recency 30 September 2008 7 January 2012
Maximum RAM amount 256 MB 1 GB
Chip lithography 55 nm 40 nm
Power consumption (TDP) 25 Watt 18 Watt

HD 7590M has an age advantage of 3 years, a 300% higher maximum VRAM amount, a 37.5% more advanced lithography process, and 38.9% lower power consumption.

We couldn't decide between Radeon HD 4550 and Radeon HD 7590M. We've got no test results to judge.

Be aware that Radeon HD 4550 is a desktop card while Radeon HD 7590M is a notebook one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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ATI Radeon HD 4550
Radeon HD 4550
AMD Radeon HD 7590M
Radeon HD 7590M

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Community ratings

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3.5 112 votes

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Questions & comments

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