Radeon Instinct MI300 vs GeForce RTX 3090 Ti

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Primary details

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

Place in the ranking11not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation8.26no data
Power efficiency11.83no data
ArchitectureAmpere (2020−2024)CDNA 3.0 (2023−2024)
GPU code nameGA102Aqua Vanjaram
Market segmentDesktopWorkstation
Release date27 January 2022 (2 years ago)4 January 2023 (1 year ago)
Launch price (MSRP)$1,999 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores1075214080
Core clock speed1560 MHz1000 MHz
Boost clock speed1860 MHz1700 MHz
Number of transistors28,300 million153,000 million
Manufacturing process technology8 nm5 nm
Power consumption (TDP)450 Watt600 Watt
Texture fill rate625.01,496
Floating-point processing power40 TFLOPS47.87 TFLOPS
ROPs112no data
TMUs336880
Tensor Cores336880
Ray Tracing Cores84no 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 amount24 GB128 GB
Memory bus width384 Bit8192 Bit
Memory clock speed1313 MHz1600 MHz
Memory bandwidth1,008 GB/s3,277 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 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 Model6.6N/A
OpenGL4.6N/A
OpenCL3.03.0
Vulkan1.3N/A
CUDA8.6-

Pros & cons summary


Recency 27 January 2022 4 January 2023
Maximum RAM amount 24 GB 128 GB
Chip lithography 8 nm 5 nm
Power consumption (TDP) 450 Watt 600 Watt

RTX 3090 Ti has 33.3% lower power consumption.

Instinct MI300, on the other hand, has an age advantage of 11 months, a 433.3% higher maximum VRAM amount, and a 60% more advanced lithography process.

We couldn't decide between GeForce RTX 3090 Ti and Radeon Instinct MI300. We've got no test results to judge.

Be aware that GeForce RTX 3090 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 3090 Ti
GeForce RTX 3090 Ti
AMD Radeon Instinct MI300
Radeon Instinct MI300

Comparisons with similar GPUs

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Community ratings

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3.9 3239 votes

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4.6 25 votes

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Questions & comments

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