Radeon Instinct MI300 vs GeForce RTX 4080 Ti

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 nameAD102Aqua Vanjaram
Market segmentDesktopWorkstation
Release date2023 (1 year 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 cores1408014080
Core clock speed2340 MHz1000 MHz
Boost clock speed2610 MHz1700 MHz
Number of transistors76,300 million153,000 million
Manufacturing process technology5 nm5 nm
Power consumption (TDP)400 Watt600 Watt
Texture fill rate1,1481,496
Floating-point processing power73.5 TFLOPS47.87 TFLOPS
ROPs144no data
TMUs440880
Tensor Cores440880
Ray Tracing Cores110no 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
Length336 mm267 mm
Width3-slot2-slot
Supplementary power connectors1x 16-pin2x 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 typeGDDR6XHBM3
Maximum RAM amount16 GB128 GB
Memory bus width256 Bit8192 Bit
Memory clock speed1325 MHz1600 MHz
Memory bandwidth678.4 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 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


Maximum RAM amount 16 GB 128 GB
Power consumption (TDP) 400 Watt 600 Watt

RTX 4080 Ti has 50% lower power consumption.

Instinct MI300, on the other hand, has a 700% higher maximum VRAM amount.

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

Be aware that GeForce RTX 4080 Ti is a desktop 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
GeForce RTX 4080 Ti
AMD Radeon Instinct MI300
Radeon Instinct MI300

Comparisons with similar GPUs

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Community ratings

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3.7 658 votes

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Questions & comments

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