Radeon Instinct MI300X vs RX 7900M

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Primary details

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

Place in performance ranking34not rated
Place by popularitynot in top-100not in top-100
ArchitectureRDNA 3CDNA 3.0
GPU code nameNavi 31Aqua Vanjaram
Market segmentLaptopDesktop
Release date19 October 2023 (less than a year ago)6 December 2023 (less than a year ago)

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores460819456
Core clock speed1825 MHzno data
Boost clock speed2090 MHz2100 MHz
Number of transistors57,700 million153,000 million
Manufacturing process technology5 nm5 nm
Power consumption (TDP)180 Watt (160 - 200 Watt TGP)750 Watt
Texture fill rate601.92,554

Form factor & compatibility

Information on Radeon RX 7900M and Radeon Instinct MI300X compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

Laptop sizelargeno data
InterfacePCIe 4.0 x16PCIe 5.0 x16
Widthno dataOAM Module
Supplementary power connectorsNoneNone

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 typeGDDR6HBM3
Maximum RAM amount16 GB192 GB
Memory bus width256 Bit8192 Bit
Memory clock speed18000 MHz5 GB/s
Memory bandwidth576.0 GB/s5,171 GB/s
Shared memory-no data

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 ConnectorsPortable Device DependentNo outputs

API compatibility

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

DirectX12 Ultimate (12_2)N/A
Shader Model6.7N/A
OpenGL4.6N/A
OpenCL2.23.0
Vulkan1.3N/A

Pros & cons summary


Recency 19 October 2023 6 December 2023
Maximum RAM amount 16 GB 192 GB
Power consumption (TDP) 180 Watt 750 Watt

We couldn't decide between Radeon RX 7900M and Radeon Instinct MI300X. We've got no test results to judge.

Be aware that Radeon RX 7900M is a notebook card while Radeon Instinct MI300X is a desktop 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 7900M
Radeon RX 7900M
AMD Radeon Instinct MI300X
Radeon Instinct MI300X

Comparisons with similar GPUs

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Community ratings

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


4.1 46 votes

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3.3 46 votes

Rate Radeon Instinct MI300X on a scale of 1 to 5:

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Questions & comments

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