Radeon Steam Deck 8CU vs RX 580 2048SP

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Primary details

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

Place in the ranking276not rated
Place by popularity53not in top-100
Power efficiency9.11no data
ArchitectureGCN 4.0 (2016−2020)RDNA 2 (2022−2023)
GPU code namePolaris 20RDNA 2 Sephiroth
Market segmentDesktopLaptop
Release date15 October 2018 (6 years ago)9 November 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 cores2048512
Core clock speed1168 MHzno data
Boost clock speed1284 MHz1900 MHz
Number of transistors5,700 millionno data
Manufacturing process technology14 nm6 nm
Power consumption (TDP)150 Wattno data
Texture fill rate164.4no data
Floating-point processing power5.259 TFLOPSno data
ROPs32no data
TMUs128no data

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 x16no data
Length241 mmno data
Width2-slotno data
Supplementary power connectors1x 8-pinno 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 typeGDDR5no data
Maximum RAM amount8 GBno data
Memory bus width256 Bitno data
Memory clock speed1750 MHzno data
Memory bandwidth224.0 GB/sno data
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 Connectors1x DVI, 1x HDMI, 3x DisplayPortno data
HDMI+-

API compatibility

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

DirectX12 (12_0)12_1
Shader Model6.4no data
OpenGL4.6no data
OpenCL2.0no data
Vulkan1.2.131-

Pros & cons summary


Recency 15 October 2018 9 November 2023
Chip lithography 14 nm 6 nm

Steam Deck 8CU has an age advantage of 5 years, and a 133.3% more advanced lithography process.

We couldn't decide between Radeon RX 580 2048SP and Radeon Steam Deck 8CU. We've got no test results to judge.

Be aware that Radeon RX 580 2048SP is a desktop card while Radeon Steam Deck 8CU is a notebook one.


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

Vote for your favorite

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AMD Radeon RX 580 2048SP
Radeon RX 580 2048SP
AMD Radeon Steam Deck 8CU
Radeon Steam Deck 8CU

Comparisons with similar GPUs

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Community ratings

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4.2 3166 votes

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5 4 votes

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Questions & comments

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