Apple M3 Pro 18-Core GPU vs Radeon Pro W6800

Primary details

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

Place in the ranking52not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation23.19no data
Power efficiency14.24no data
ArchitectureRDNA 2.0 (2020−2024)no data
GPU code nameNavi 21no data
Market segmentWorkstationLaptop
Release date8 June 2021 (3 years ago)31 October 2023 (1 year ago)
Launch price (MSRP)$2,249 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores384018
Core clock speed2075 MHzno data
Boost clock speed2320 MHzno data
Number of transistors26,800 millionno data
Manufacturing process technology7 nm5 nm
Power consumption (TDP)250 Wattno data
Texture fill rate556.8no data
Floating-point processing power17.82 TFLOPSno data
ROPs96no data
TMUs240no data
Ray Tracing Cores60no 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
InterfacePCIe 4.0 x16no data
Length267 mmno data
Width2-slotno data
Supplementary power connectors1x 6-pin + 1x 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 amount32 GBno data
Memory bus width256 Bitno data
Memory clock speed2000 MHzno 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 Connectors6x mini-DisplayPortno data

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
OpenCL2.1no data
Vulkan1.2-

Pros & cons summary


Recency 8 June 2021 31 October 2023
Chip lithography 7 nm 5 nm

Apple M3 Pro 18-Core GPU has an age advantage of 2 years, and a 40% more advanced lithography process.

We couldn't decide between Radeon Pro W6800 and Apple M3 Pro 18-Core GPU. We've got no test results to judge.

Be aware that Radeon Pro W6800 is a workstation card while Apple M3 Pro 18-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 Pro W6800
Radeon Pro W6800
Apple M3 Pro 18-Core GPU
M3 Pro 18-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 80 votes

Rate Radeon Pro W6800 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.1 168 votes

Rate Apple M3 Pro 18-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.