Radeon RX 6550S vs HD 8590M

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Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 1.0 (2011−2020)RDNA 2.0 (2020−2024)
GPU code nameSunNavi 24
Market segmentLaptopLaptop
Release date1 March 2013 (11 years ago)4 January 2023 (1 year ago)

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 cores3201024
Core clock speed750 MHz2000 MHz
Boost clock speed825 MHz2400 MHz
Number of transistors690 million5,400 million
Manufacturing process technology28 nm6 nm
Power consumption (TDP)no data50 Watt
Texture fill rate16.50153.6
Floating-point processing power0.528 TFLOPS4.915 TFLOPS
ROPs832
TMUs2064
Ray Tracing Coresno data16

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 sizemedium sizedmedium sized
InterfacePCIe 3.0 x8PCIe 4.0 x4
Supplementary power connectorsno dataNone

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 typeGDDR5GDDR6
Maximum RAM amount1 GB4 GB
Memory bus width64 Bit64 Bit
Memory clock speed1125 MHz2000 MHz
Memory bandwidth36 GB/s128.0 GB/s
Shared memory--

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 ConnectorsNo outputsPortable Device Dependent

API compatibility

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

DirectX12 (11_1)12 Ultimate (12_2)
Shader Model5.16.7
OpenGL4.64.6
OpenCL1.22.2
Vulkan1.2.1311.3

Pros & cons summary


Recency 1 March 2013 4 January 2023
Maximum RAM amount 1 GB 4 GB
Chip lithography 28 nm 6 nm

RX 6550S has an age advantage of 9 years, a 300% higher maximum VRAM amount, and a 366.7% more advanced lithography process.

We couldn't decide between Radeon HD 8590M and Radeon RX 6550S. 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 HD 8590M
Radeon HD 8590M
AMD Radeon RX 6550S
Radeon RX 6550S

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


2.3 3 votes

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2.8 10 votes

Rate Radeon RX 6550S on a scale of 1 to 5:

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Questions & comments

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