Apple M3 Max 40-Core GPU vs Radeon RX 6600 XT

Primary details

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

Place in the ranking89not rated
Place by popularity87not in top-100
Cost-effectiveness evaluation63.50no data
Power efficiency18.59no data
ArchitectureRDNA 2.0 (2020−2024)no data
GPU code nameNavi 23no data
Market segmentDesktopLaptop
Release date30 July 2021 (3 years ago)31 October 2023 (1 year ago)
Launch price (MSRP)$379 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 cores204840
Core clock speed1968 MHzno data
Boost clock speed2589 MHzno data
Number of transistors11,060 millionno data
Manufacturing process technology7 nm5 nm
Power consumption (TDP)160 Watt53 Watt
Texture fill rate331.4no data
Floating-point processing power10.6 TFLOPSno data
ROPs64no data
TMUs128no data
Ray Tracing Cores32no 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 x8no data
Length190 mmno data
Width2-slotno data
Supplementary power connectors1x 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 amount8 GBno data
Memory bus width128 Bitno data
Memory clock speed2000 MHzno data
Memory bandwidth256.0 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 DisplayPortno data
HDMI+-

API compatibility

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

DirectX12.0 Ultimate (12_2)no data
Shader Model6.5no data
OpenGL4.6no data
OpenCL2.1no data
Vulkan1.2-

Pros & cons summary


Recency 30 July 2021 31 October 2023
Chip lithography 7 nm 5 nm
Power consumption (TDP) 160 Watt 53 Watt

Apple M3 Max 40-Core GPU has an age advantage of 2 years, a 40% more advanced lithography process, and 201.9% lower power consumption.

We couldn't decide between Radeon RX 6600 XT and Apple M3 Max 40-Core GPU. We've got no test results to judge.

Be aware that Radeon RX 6600 XT is a desktop card while Apple M3 Max 40-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.

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AMD Radeon RX 6600 XT
Radeon RX 6600 XT
Apple M3 Max 40-Core GPU
M3 Max 40-Core GPU

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Community ratings

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4.3 4180 votes

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3.4 237 votes

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Questions & comments

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