Apple M3 Max 40-Core GPU vs Radeon Pro 555X

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Primary details

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

Place in the ranking504not rated
Place by popularitynot in top-100not in top-100
Power efficiency7.67no data
ArchitectureGCN 4.0 (2016−2020)no data
GPU code namePolaris 21no data
Market segmentMobile workstationLaptop
Release date16 July 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 cores76840
Core clock speed907 MHzno data
Number of transistors3,000 millionno data
Manufacturing process technology14 nm5 nm
Power consumption (TDP)75 Watt53 Watt
Texture fill rate43.54no data
Floating-point processing power1.393 TFLOPSno data
ROPs16no data
TMUs48no 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 x8no data
Supplementary power connectorsNoneno 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 typeGDDR5LPDDR5-6400
Maximum RAM amount4 GBno data
Memory bus width128 Bitno data
Memory clock speed1275 MHzno data
Memory bandwidth81.6 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

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

FreeSync+-

API compatibility

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

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

Pros & cons summary


Recency 16 July 2018 31 October 2023
Chip lithography 14 nm 5 nm
Power consumption (TDP) 75 Watt 53 Watt

Apple M3 Max 40-Core GPU has an age advantage of 5 years, a 180% more advanced lithography process, and 41.5% lower power consumption.

We couldn't decide between Radeon Pro 555X and Apple M3 Max 40-Core GPU. We've got no test results to judge.

Be aware that Radeon Pro 555X is a mobile workstation card while Apple M3 Max 40-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 555X
Radeon Pro 555X
Apple M3 Max 40-Core GPU
M3 Max 40-Core GPU

Comparisons with similar GPUs

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Community ratings

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3.8 166 votes

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3.4 252 votes

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Questions & comments

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