Radeon Instinct MI300X vs L40S

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Primary details

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

Place in the ranking123not rated
Place by popularitynot in top-100not in top-100
Power efficiency8.65no data
ArchitectureAda Lovelace (2022−2024)CDNA 3.0 (2023−2024)
GPU code nameAD102Aqua Vanjaram
Market segmentWorkstationWorkstation
Release date13 October 2022 (2 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 cores1817619456
Core clock speed1110 MHz1000 MHz
Boost clock speed2520 MHz2100 MHz
Number of transistors76,300 million153,000 million
Manufacturing process technology5 nm5 nm
Power consumption (TDP)300 Watt750 Watt
Texture fill rate1,4312,554
Floating-point processing power91.61 TFLOPS81.72 TFLOPS
ROPs192no data
TMUs5681216
Tensor Cores5681216
Ray Tracing Cores142no 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 x16PCIe 5.0 x16
Length267 mmno data
Width2-slotOAM Module
Supplementary power connectors1x 16-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 typeGDDR6HBM3
Maximum RAM amount48 GB192 GB
Memory bus width384 Bit8192 Bit
Memory clock speed2250 MHz2525 MHz
Memory bandwidth864.0 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 Connectors1x HDMI 2.1, 3x DisplayPort 1.4aNo outputs
HDMI+-

API compatibility

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

DirectX12 Ultimate (12_2)N/A
Shader Model6.7N/A
OpenGL4.6N/A
OpenCL3.03.0
Vulkan1.3N/A
CUDA8.9-

Pros & cons summary


Recency 13 October 2022 6 December 2023
Maximum RAM amount 48 GB 192 GB
Power consumption (TDP) 300 Watt 750 Watt

L40S has 150% lower power consumption.

Instinct MI300X, on the other hand, has an age advantage of 1 year, and a 300% higher maximum VRAM amount.

We couldn't decide between L40S 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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NVIDIA L40S
L40S
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.


4.2 27 votes

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3.4 56 votes

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Questions & comments

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