Radeon Instinct MI300X vs Instinct MI300

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Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureCDNA 3.0 (2023−2024)CDNA 3.0 (2023−2024)
GPU code nameAqua VanjaramAqua Vanjaram
Market segmentWorkstationWorkstation
Release date4 January 2023 (1 year ago)6 December 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 cores1408019456
Core clock speed1000 MHz1000 MHz
Boost clock speed1700 MHz2100 MHz
Number of transistors153,000 million153,000 million
Manufacturing process technology5 nm5 nm
Power consumption (TDP)600 Watt750 Watt
Texture fill rate1,4962,554
Floating-point processing power47.87 TFLOPS81.72 TFLOPS
TMUs8801216
Tensor Cores8801216

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 5.0 x16PCIe 5.0 x16
Length267 mmno data
Width2-slotOAM Module
Supplementary power connectors2x 8-pinNone

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 typeHBM3HBM3
Maximum RAM amount128 GB192 GB
Memory bus width8192 Bit8192 Bit
Memory clock speed1600 MHz2525 MHz
Memory bandwidth3,277 GB/s5,171 GB/s

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 outputs

API compatibility

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

DirectXN/AN/A
Shader ModelN/AN/A
OpenGLN/AN/A
OpenCL3.03.0
VulkanN/AN/A

Pros & cons summary


Recency 4 January 2023 6 December 2023
Maximum RAM amount 128 GB 192 GB
Power consumption (TDP) 600 Watt 750 Watt

Instinct MI300 has 25% lower power consumption.

Instinct MI300X, on the other hand, has an age advantage of 11 months, and a 50% higher maximum VRAM amount.

We couldn't decide between Radeon Instinct MI300 and Radeon Instinct MI300X. 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 Instinct MI300
Radeon Instinct MI300
AMD Radeon Instinct MI300X
Radeon Instinct MI300X

Comparisons with similar GPUs

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Community ratings

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4.6 25 votes

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3.5 59 votes

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

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Questions & comments

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