Radeon Instinct MI300X vs RX 6450M

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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 2.0 (2020−2024)CDNA 3.0 (2023−2024)
GPU code nameNavi 24Aqua Vanjaram
Market segmentLaptopWorkstation
Release date4 January 2023 (1 year ago)6 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 cores76819456
Core clock speed2000 MHz1000 MHz
Boost clock speed2460 MHz2100 MHz
Number of transistors5,400 million153,000 million
Manufacturing process technology6 nm5 nm
Power consumption (TDP)50 Watt750 Watt
Texture fill rate118.12,554
Floating-point processing power3.779 TFLOPS81.72 TFLOPS
ROPs32no data
TMUs481216
Tensor Coresno data1216
Ray Tracing Cores12no 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 x4PCIe 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 amount4 GB192 GB
Memory bus width64 Bit8192 Bit
Memory clock speed2000 MHz2525 MHz
Memory bandwidth128.0 GB/s5,171 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 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
OpenCL2.23.0
Vulkan1.3N/A

Pros & cons summary


Recency 4 January 2023 6 December 2023
Maximum RAM amount 4 GB 192 GB
Chip lithography 6 nm 5 nm
Power consumption (TDP) 50 Watt 750 Watt

RX 6450M has 1400% lower power consumption.

Instinct MI300X, on the other hand, has an age advantage of 11 months, a 4700% higher maximum VRAM amount, and a 20% more advanced lithography process.

We couldn't decide between Radeon RX 6450M and Radeon Instinct MI300X. We've got no test results to judge.

Be aware that Radeon RX 6450M 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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AMD Radeon RX 6450M
Radeon RX 6450M
AMD Radeon Instinct MI300X
Radeon Instinct MI300X

Comparisons with similar GPUs

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Community ratings

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5 1 vote

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3.5 59 votes

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Questions & comments

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