Apple M3 Max 40-Core GPU vs Radeon RX 640

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Primary details

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

Place in the ranking616not rated
Place by popularitynot in top-100not in top-100
Power efficiency7.29no data
ArchitectureGCN 4.0 (2016−2020)no data
GPU code namePolaris 23no data
Market segmentLaptopLaptop
Release date13 May 2019 (5 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 cores64040
Core clock speed1082 MHzno data
Boost clock speed1218 MHzno data
Number of transistors2,200 millionno data
Manufacturing process technology14 nm5 nm
Power consumption (TDP)50 Watt53 Watt
Texture fill rate48.72no data
Floating-point processing power1.559 TFLOPSno data
ROPs16no data
TMUs40no 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 amount2 GBno data
Memory bus width64 Bitno data
Memory clock speed1500 MHzno data
Memory bandwidth48 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 13 May 2019 31 October 2023
Chip lithography 14 nm 5 nm
Power consumption (TDP) 50 Watt 53 Watt

RX 640 has 6% lower power consumption.

Apple M3 Max 40-Core GPU, on the other hand, has an age advantage of 4 years, and a 180% more advanced lithography process.

We couldn't decide between Radeon RX 640 and Apple M3 Max 40-Core GPU. 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 640
Radeon RX 640
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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3.2 255 votes

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3.4 245 votes

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Questions & comments

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