ATI Radeon HD 4580 vs RX 550

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Primary details

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

Place in the ranking550not rated
Place by popularity21not in top-100
Cost-effectiveness evaluation2.92no data
Power efficiency9.71no data
ArchitectureGCN 4.0 (2016−2020)TeraScale (2005−2013)
GPU code nameLexaRV635
Market segmentDesktopDesktop
Release date20 April 2017 (7 years ago)20 November 2011 (13 years ago)
Launch price (MSRP)$79 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 cores512120
Core clock speed1100 MHz796 MHz
Boost clock speed1183 MHzno data
Number of transistors2,200 million378 million
Manufacturing process technology14 nm55 nm
Power consumption (TDP)50 Watt65 Watt
Texture fill rate37.866.368
Floating-point processing power1.211 TFLOPS0.191 TFLOPS
ROPs164
TMUs328

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).

InterfacePCIe 3.0 x8PCIe 2.0 x16
Length145 mm190 mm
Width2-slot1-slot
Supplementary power connectorsNoneNone

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 typeGDDR5GDDR3
Maximum RAM amount4 GB512 MB
Memory bus width128 Bit128 Bit
Memory clock speed1750 MHz693 MHz
Memory bandwidth112.0 GB/s22.18 GB/s

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 DisplayPort2x DVI, 1x S-Video
HDMI+-

API compatibility

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

DirectX12 (12_0)10.1 (10_1)
Shader Model6.44.1
OpenGL4.63.3
OpenCL2.0N/A
Vulkan1.2.131N/A

Pros & cons summary


Recency 20 April 2017 20 November 2011
Maximum RAM amount 4 GB 512 MB
Chip lithography 14 nm 55 nm
Power consumption (TDP) 50 Watt 65 Watt

RX 550 has an age advantage of 5 years, a 700% higher maximum VRAM amount, a 292.9% more advanced lithography process, and 30% lower power consumption.

We couldn't decide between Radeon RX 550 and Radeon HD 4580. We've got no test results to judge.


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

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AMD Radeon RX 550
Radeon RX 550
ATI Radeon HD 4580
Radeon HD 4580

Comparisons with similar GPUs

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Community ratings

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3.6 6700 votes

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2.7 6 votes

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Questions & comments

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