Radeon Steam Deck 8CU vs RX Vega 56 Mobile

Primary details

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

Place in performance rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 5.0 (2017−2020)RDNA 2 (2020−2022)
GPU code nameVega 10RDNA 2 Sephiroth
Market segmentLaptopLaptop
Release date1 June 2018 (6 years ago)9 November 2023 (less than a year ago)
Current price$841 no data

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores3584512
Core clock speed1138 MHzno data
Boost clock speed1301 MHz1900 MHz
Number of transistors12,500 millionno data
Manufacturing process technology14 nm6 nm
Power consumption (TDP)120 Wattno data
Texture fill rate291.4no data

Form factor & compatibility

Information on Radeon RX Vega 56 Mobile and Radeon Steam Deck 8CU compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

InterfacePCIe 3.0 x16no 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 typeHBM2no data
Maximum RAM amount8 GBno data
Memory bus width2048 Bitno data
Memory clock speed1600 MHzno data
Memory bandwidth409.6 GB/sno data
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 HDMI, 3x DisplayPortno data
HDMI+no data

API compatibility

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

DirectX12 (12_1)12_1
Shader Model6.4no data
OpenGL4.6no data
OpenCL2.0no data
Vulkan1.1.125no data

Pros & cons summary


Recency 1 June 2018 9 November 2023
Chip lithography 14 nm 6 nm

We couldn't decide between Radeon RX Vega 56 Mobile and Radeon Steam Deck 8CU. 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 Vega 56 Mobile
Radeon RX Vega 56 Mobile
AMD Radeon Steam Deck 8CU
Radeon Steam Deck 8CU

Comparisons with similar GPUs

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Community ratings

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