Radeon Xpress 1250 and Apple M1 GPU - video card comparison

Radeon Xpress 1250

Apple M1 GPU

Architecture

R400 (2004−2008)

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GPU code name

RS690

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Market segment

Laptop

Laptop

Release date

August 2006

November 2020

Interface

PCIe 1.0 x16

-

Supplementary power connectors

None

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Boost clock speed

400 MHz

-

Core clock speed

400 MHz

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Manufacturing process technology

80 nm

5 nm

Number of transistors

120 million

-

Pipelines / CUDA cores

4

8

Texture fill rate

1.600

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Memory type

System Shared

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Maximum RAM amount

System Shared

-

Memory bus width

System Shared

-

Memory clock speed

System Shared

-

Shared memory

+

+

Display Connectors

No outputs

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DirectX

9.0b (9_2)

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OpenCL

N/A

-

OpenGL

2.0

-

Vulkan

N/A

-