Apple M3 Max 40-Core GPU vs Iris Plus Graphics 640

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Primary details

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

Place in the ranking696not rated
Place by popularitynot in top-100not in top-100
Power efficiency17.90no data
ArchitectureGeneration 9.5 (2016−2020)no data
GPU code nameKaby Lake GT3eno data
Market segmentDesktopLaptop
Release date3 January 2017 (7 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 cores38440
Core clock speed300 MHzno data
Boost clock speed1100 MHzno data
Number of transistors189 millionno data
Manufacturing process technology14 nm++5 nm
Power consumption (TDP)15 Watt53 Watt
Texture fill rate52.80no data
Floating-point processing power0.8448 TFLOPSno data
ROPs6no 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 sizeno datamedium sized
InterfaceRing Busno data
WidthIGPno 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 typeDDR3L/LPDDR3/DDR4LPDDR5-6400
Maximum RAM amount32 GBno data
Memory bus widthSystem Sharedno data
Memory clock speedSystem Sharedno 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 ConnectorsPortable Device Dependentno data

Supported technologies

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

Quick Sync+no data

API compatibility

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

DirectX12 (12_1)no data
Shader Model6.4no data
OpenGL4.6no data
OpenCL3.0no data
Vulkan1.3-

Pros & cons summary


Recency 3 January 2017 31 October 2023
Chip lithography 14 nm 5 nm
Power consumption (TDP) 15 Watt 53 Watt

Iris Plus Graphics 640 has 253.3% lower power consumption.

Apple M3 Max 40-Core GPU, on the other hand, has an age advantage of 6 years, and a 180% more advanced lithography process.

We couldn't decide between Iris Plus Graphics 640 and Apple M3 Max 40-Core GPU. We've got no test results to judge.

Be aware that Iris Plus Graphics 640 is a desktop card while Apple M3 Max 40-Core GPU is a notebook 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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Intel Iris Plus Graphics 640
Iris Plus Graphics 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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3.3 298 votes

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3.4 237 votes

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Questions & comments

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