Radeon Instinct MI300 vs GeForce RTX 4080 Ti Mobile

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
ArchitectureAda Lovelace (2022−2024)CDNA 3.0 (2023−2024)
GPU code nameAD104Aqua Vanjaram
Market segmentLaptopWorkstation
Release dateno data (2024 years ago)4 January 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 cores728014080
Core clock speedno data1000 MHz
Boost clock speed1665 MHz1700 MHz
Number of transistors35,800 million153,000 million
Manufacturing process technology4 nm5 nm
Power consumption (TDP)175 Watt600 Watt
Texture fill rate399.61,496
Floating-point processing power24.24 TFLOPS47.87 TFLOPS
ROPs80no data
TMUs240880
Tensor Coresno data880

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
Lengthno data267 mm
Widthno data2-slot
Supplementary power connectorsno data2x 8-pin

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 amount12 GB128 GB
Memory bus width192 Bit8192 Bit
Memory clock speed16 GB/s1600 MHz
Memory bandwidth384.0 GB/s3,277 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 ConnectorsPortable Device DependentNo outputs

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


Maximum RAM amount 12 GB 128 GB
Chip lithography 4 nm 5 nm
Power consumption (TDP) 175 Watt 600 Watt

RTX 4080 Ti Mobile has a 25% more advanced lithography process, and 242.9% lower power consumption.

Instinct MI300, on the other hand, has a 966.7% higher maximum VRAM amount.

We couldn't decide between GeForce RTX 4080 Ti Mobile and Radeon Instinct MI300. We've got no test results to judge.

Be aware that GeForce RTX 4080 Ti Mobile is a notebook card while Radeon Instinct MI300 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 4080 Ti Mobile
GeForce RTX 4080 Ti Mobile
AMD Radeon Instinct MI300
Radeon Instinct MI300

Comparisons with similar GPUs

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Community ratings

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4.2 35 votes

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4.6 25 votes

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Questions & comments

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