Apple M1 Max 32-Core GPU vs Radeon RX 6900

VS

Primary details

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

Place in the ranking22not rated
Place by popularitynot in top-100not in top-100
Power efficiency18.98no data
ArchitectureRDNA 2.0 (2020−2024)no data
GPU code nameNavi 21no data
Market segmentDesktopLaptop
Release date28 October 2020 (4 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 cores460832
Core clock speedno data1296 MHz
Boost clock speed2105 MHzno data
Number of transistors23,000 millionno data
Manufacturing process technology7 nm5 nm
Power consumption (TDP)255 Watt44 Watt
Texture fill rate606.2no data
Floating-point processing power19.4 TFLOPSno data
ROPs64no data
TMUs288no 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 4.0 x16no data
Width2-slotno data
Supplementary power connectors2x 8-pinno 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 typeGDDR6LPDDR5-6400
Maximum RAM amount16 GBno data
Memory bus width256 Bit512 Bit
Memory clock speed16 GB/sno data
Memory bandwidth512.0 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 Connectors1x HDMI, 2x DisplayPort, 1x USB Type-Cno data
HDMI+-

API compatibility

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

DirectX12 Ultimate (12_2)no data
Shader Model6.5no data
OpenGL4.6no data
OpenCL2.0no data
Vulkan1.2-

Pros & cons summary


Chip lithography 7 nm 5 nm
Power consumption (TDP) 255 Watt 44 Watt

Apple M1 Max 32-Core GPU has a 40% more advanced lithography process, and 479.5% lower power consumption.

We couldn't decide between Radeon RX 6900 and Apple M1 Max 32-Core GPU. We've got no test results to judge.

Be aware that Radeon RX 6900 is a desktop card while Apple M1 Max 32-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.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon RX 6900
Radeon RX 6900
Apple M1 Max 32-Core GPU
M1 Max 32-Core GPU

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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


3.9 66 votes

Rate Radeon RX 6900 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.1 451 vote

Rate Apple M1 Max 32-Core GPU on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.