Radeon Instinct MI300X vs RX 7950 XTX

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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
ArchitectureRDNA 3.0 (2022−2024)CDNA 3.0 (2023−2024)
GPU code nameNavi 31Aqua Vanjaram
Market segmentDesktopWorkstation
Release dateno data6 December 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 cores614419456
Core clock speed2200 MHz1000 MHz
Boost clock speed3300 MHz2100 MHz
Number of transistors57,700 million153,000 million
Manufacturing process technology5 nm5 nm
Power consumption (TDP)355 Watt750 Watt
Texture fill rate1,2672,554
Floating-point processing power81.1 TFLOPS81.72 TFLOPS
ROPs192no data
TMUs3841216
Tensor Coresno data1216
Ray Tracing Cores96no 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
Length287 mmno data
Width2-slotOAM Module
Supplementary power connectors2x 8-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 amount24 GB192 GB
Memory bus width384 Bit8192 Bit
Memory clock speed2500 MHz2525 MHz
Memory bandwidth960.0 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 2.1a, 2x DisplayPort 2.1, 1x USB Type-CNo 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
OpenCL2.23.0
Vulkan1.3N/A

Pros & cons summary


Maximum RAM amount 24 GB 192 GB
Power consumption (TDP) 355 Watt 750 Watt

RX 7950 XTX has 111.3% lower power consumption.

Instinct MI300X, on the other hand, has a 700% higher maximum VRAM amount.

We couldn't decide between Radeon RX 7950 XTX and Radeon Instinct MI300X. We've got no test results to judge.

Be aware that Radeon RX 7950 XTX is a desktop 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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AMD Radeon RX 7950 XTX
Radeon RX 7950 XTX
AMD Radeon Instinct MI300X
Radeon Instinct MI300X

Comparisons with similar GPUs

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Community ratings

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4.2 189 votes

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3.5 59 votes

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Questions & comments

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