Apple M3 Pro 18-Core GPU vs Radeon RX 6800M

Primary details

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

Place in the ranking147not rated
Place by popularitynot in top-100not in top-100
Power efficiency16.46no data
ArchitectureRDNA 2.0 (2020−2024)no data
GPU code nameNavi 22no data
Market segmentLaptopLaptop
Release date31 May 2021 (3 years ago)31 October 2023 (1 year 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 cores256018
Core clock speed2116 MHzno data
Boost clock speed2390 MHzno data
Number of transistors17,200 millionno data
Manufacturing process technology7 nm5 nm
Power consumption (TDP)145 Wattno data
Texture fill rate382.4no data
Floating-point processing power12.24 TFLOPSno data
ROPs64no data
TMUs160no data
Ray Tracing Cores40no 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 sizelargemedium sized
InterfacePCIe 4.0 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 typeGDDR6LPDDR5-6400
Maximum RAM amount12 GBno data
Memory bus width192 Bitno data
Memory clock speed2000 MHzno data
Memory bandwidth384.0 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 ConnectorsNo outputsno 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
Vulkan1.3-

Pros & cons summary


Recency 31 May 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 RX 6800M and Apple M3 Pro 18-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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AMD Radeon RX 6800M
Radeon RX 6800M
Apple M3 Pro 18-Core GPU
M3 Pro 18-Core GPU

Comparisons with similar GPUs

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Community ratings

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4.3 308 votes

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3.1 168 votes

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Questions & comments

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