Radeon Instinct MI300X vs Quadro P520

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Primary details

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

Place in the ranking604not rated
Place by popularitynot in top-100not in top-100
Power efficiency20.89no data
ArchitecturePascal (2016−2021)CDNA 3.0 (2023−2024)
GPU code nameGP108Aqua Vanjaram
Market segmentMobile workstationWorkstation
Release date23 May 2019 (5 years ago)6 December 2023 (less than a 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 cores38419456
Core clock speed1303 MHz1000 MHz
Boost clock speed1493 MHz2100 MHz
Number of transistors1,800 million153,000 million
Manufacturing process technology14 nm5 nm
Power consumption (TDP)18 Watt750 Watt
Texture fill rate35.832,554
Floating-point processing power1.147 TFLOPS81.72 TFLOPS
ROPs16no data
TMUs241216
Tensor Coresno data1216

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 sizelargeno data
InterfacePCIe 3.0 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 typeGDDR5HBM3
Maximum RAM amount2 GB192 GB
Memory bus width64 Bit8192 Bit
Memory clock speed1502 MHz2525 MHz
Memory bandwidth48.06 GB/s5,171 GB/s
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 outputs

API compatibility

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

DirectX12 (12_1)N/A
Shader Model6.4N/A
OpenGL4.6N/A
OpenCL1.23.0
Vulkan1.2.131N/A
CUDA6.1-

Pros & cons summary


Recency 23 May 2019 6 December 2023
Maximum RAM amount 2 GB 192 GB
Chip lithography 14 nm 5 nm
Power consumption (TDP) 18 Watt 750 Watt

Quadro P520 has 4066.7% lower power consumption.

Instinct MI300X, on the other hand, has an age advantage of 4 years, a 9500% higher maximum VRAM amount, and a 180% more advanced lithography process.

We couldn't decide between Quadro P520 and Radeon Instinct MI300X. We've got no test results to judge.

Be aware that Quadro P520 is a mobile workstation card while Radeon Instinct MI300X is a workstation 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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NVIDIA Quadro P520
Quadro P520
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.


3.4 101 vote

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3.4 57 votes

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Questions & comments

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