Apple M1 GPU vs ATI Radeon Xpress 1250

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Primary details

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

Place in the ranking1444not rated
Place by popularitynot in top-100not in top-100
ArchitectureR400 (2004−2008)no data
GPU code nameRS690no data
Market segmentLaptopLaptop
Release date28 February 2007 (17 years ago)10 November 2020 (4 years 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 cores48
Core clock speed400 MHzno data
Boost clock speed400 MHzno data
Number of transistors120 millionno data
Manufacturing process technology80 nm5 nm
Texture fill rate1.600no data
ROPs4no data
TMUs4no 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).

InterfacePCIe 1.0 x16no 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 typeSystem Sharedno 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

API compatibility

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

DirectX9.0b (9_2)no data
OpenGL2.0no data
OpenCLN/Ano data
VulkanN/A-

Pros & cons summary


Recency 28 February 2007 10 November 2020
Chip lithography 80 nm 5 nm

Apple M1 GPU has an age advantage of 13 years, and a 1500% more advanced lithography process.

We couldn't decide between Radeon Xpress 1250 and M1 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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ATI Radeon Xpress 1250
Radeon Xpress 1250
Apple M1 GPU
M1 GPU

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


2.6 17 votes

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3.1 450 votes

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Questions & comments

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