Apple M3 Pro 18-Core GPU vs Radeon Pro Vega 20

Primary details

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

Place in the ranking376not rated
Place by popularitynot in top-100not in top-100
Power efficiency9.58no data
ArchitectureGCN 5.0 (2017−2020)no data
GPU code nameVega 12no data
Market segmentMobile workstationLaptop
Release date14 November 2018 (6 years ago)31 October 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 cores128018
Core clock speed815 MHzno data
Boost clock speed1283 MHzno data
Manufacturing process technology14 nm5 nm
Power consumption (TDP)100 Wattno data
Texture fill rate102.6no data
Floating-point processing power3.284 TFLOPSno data
ROPs32no data
TMUs80no 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).

Laptop sizelargemedium sized
InterfacePCIe 3.0 x16no data
Supplementary power connectors1x 6-pin + 1x 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 typeHBM2LPDDR5-6400
Maximum RAM amount4 GBno data
Memory bus width1024 Bitno data
Memory clock speed740 MHzno data
Memory bandwidth189.4 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 ConnectorsNo outputsno data

API compatibility

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

DirectX12 (12_1)no data
Shader Model6.3no data
OpenGL4.6no data
OpenCL2.0no data
Vulkan1.2.131-

Pros & cons summary


Recency 14 November 2018 31 October 2023
Chip lithography 14 nm 5 nm

Apple M3 Pro 18-Core GPU has an age advantage of 4 years, and a 180% more advanced lithography process.

We couldn't decide between Radeon Pro Vega 20 and Apple M3 Pro 18-Core GPU. We've got no test results to judge.

Be aware that Radeon Pro Vega 20 is a mobile workstation card while Apple M3 Pro 18-Core GPU is a mobile workstation 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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AMD Radeon Pro Vega 20
Radeon Pro Vega 20
Apple M3 Pro 18-Core GPU
M3 Pro 18-Core GPU

Comparisons with similar GPUs

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Community ratings

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3.9 86 votes

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3.1 169 votes

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Questions & comments

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