Apple M1 7-Core GPU vs Iris Plus Graphics 645

Primary details

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

Place in performance ranking653not rated
Place by popularitynot in top-100not in top-100
ArchitectureGen. 9.5 Coffee Lake (2019)no data
GPU code nameKaby Lake GT3eno data
Market segmentLaptopLaptop
Release date10 July 2019 (4 years ago)10 November 2020 (3 years ago)

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 cores487
Core clock speed300 MHz1278 MHz
Boost clock speed1150 MHzno data
Manufacturing process technology14 nm5 nm
Power consumption (TDP)15 Wattno data
Texture fill rate50.40no data

Form factor & compatibility

Information on Iris Plus Graphics 645 and Apple M1 7-Core GPU 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 x1no 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 typeDDR3, DDR4no data
Maximum RAM amountSystem Sharedno 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 ConnectorsNo outputsno 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 graphics and general-purpose computing APIs, including their specific versions.

DirectX12 (12_1)no data
Shader Model6.4no data
OpenGL4.6no data
OpenCL2.1no data
Vulkan1.1.103no data

Pros & cons summary


Recency 10 July 2019 10 November 2020
Chip lithography 14 nm 5 nm

We couldn't decide between Iris Plus Graphics 645 and Apple M1 7-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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Intel Iris Plus Graphics 645
Iris Plus Graphics 645
Apple M1 7-Core GPU
M1 7-Core GPU

Comparisons with similar GPUs

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Community ratings

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3 104 votes

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3.7 160 votes

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Questions & comments

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