Radeon Instinct MI300X vs GeForce RTX 3080 Ti Max-Q

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
ArchitectureAmpere (2020−2024)CDNA 3.0 (2023−2024)
GPU code nameGA103SAqua Vanjaram
Market segmentLaptopWorkstation
Release date25 January 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 cores742419456
Core clock speed585 MHz1000 MHz
Boost clock speed1125 MHz2100 MHz
Number of transistorsno data153,000 million
Manufacturing process technology8 nm5 nm
Power consumption (TDP)80 Watt750 Watt
Texture fill rate261.02,554
Floating-point processing power16.7 TFLOPS81.72 TFLOPS
ROPs96no data
TMUs2321216
Tensor Cores2321216
Ray Tracing Cores58no 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
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 speed1500 MHz2525 MHz
Memory bandwidth384.0 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 ConnectorsNo outputsNo outputs

API compatibility

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

DirectX12 Ultimate (12_2)N/A
Shader Model6.5N/A
OpenGL4.6N/A
OpenCL3.03.0
Vulkan1.3N/A
CUDA8.6-

Pros & cons summary


Recency 25 January 2022 6 December 2023
Maximum RAM amount 16 GB 192 GB
Chip lithography 8 nm 5 nm
Power consumption (TDP) 80 Watt 750 Watt

RTX 3080 Ti Max-Q has 837.5% lower power consumption.

Instinct MI300X, on the other hand, has an age advantage of 1 year, a 1100% higher maximum VRAM amount, and a 60% more advanced lithography process.

We couldn't decide between GeForce RTX 3080 Ti Max-Q and Radeon Instinct MI300X. We've got no test results to judge.

Be aware that GeForce RTX 3080 Ti Max-Q is a notebook 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 GeForce RTX 3080 Ti Max-Q
GeForce RTX 3080 Ti Max-Q
AMD Radeon Instinct MI300X
Radeon Instinct MI300X

Comparisons with similar GPUs

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Community ratings

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4.6 10 votes

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3.4 57 votes

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Questions & comments

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