Apple M1 Pro 14-Core GPU vs Radeon RX 6400

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Primary details

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

Place in the ranking277not rated
Place by popularity100not in top-100
Cost-effectiveness evaluation53.23no data
Power efficiency25.70no data
ArchitectureRDNA 2.0 (2020−2024)no data
GPU code nameNavi 24no data
Market segmentDesktopLaptop
Release date19 January 2022 (2 years ago)10 November 2020 (3 years ago)
Launch price (MSRP)$159 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 cores76814
Core clock speed1923 MHz1296 MHz
Boost clock speed2321 MHzno data
Number of transistors5,400 millionno data
Manufacturing process technology6 nm5 nm
Power consumption (TDP)53 Watt15 Watt
Texture fill rate111.4no data
Floating-point processing power3.565 TFLOPSno data
ROPs32no data
TMUs48no data
Ray Tracing Cores12no 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 x4no data
Width1-slotno 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 amount4 GBno data
Memory bus width64 Bitno data
Memory clock speed2000 MHzno data
Memory bandwidth128.0 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 2.1, 1x DisplayPort 1.4ano data
HDMI+-

API compatibility

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

DirectX12 Ultimate (12_2)no data
Shader Model6.7no data
OpenGL4.6no data
OpenCL2.2no data
Vulkan1.3-

Pros & cons summary


Recency 19 January 2022 10 November 2020
Chip lithography 6 nm 5 nm
Power consumption (TDP) 53 Watt 15 Watt

RX 6400 has an age advantage of 1 year.

Apple M1 Pro 14-Core GPU, on the other hand, has a 20% more advanced lithography process, and 253.3% lower power consumption.

We couldn't decide between Radeon RX 6400 and Apple M1 Pro 14-Core GPU. We've got no test results to judge.

Be aware that Radeon RX 6400 is a desktop card while Apple M1 Pro 14-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 6400
Radeon RX 6400
Apple M1 Pro 14-Core GPU
M1 Pro 14-Core GPU

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Community ratings

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4.1 1865 votes

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Questions & comments

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