Radeon Instinct MI355X vs RTX PRO 5000 Blackwell

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Primary details

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

Place in the ranking22not rated
Place by popularitynot in top-100not in top-100
Power efficiency17.25no data
ArchitectureBlackwell 2.0 (2025)CDNA 4.0 (2025)
GPU code nameGB202CDNA Next
Market segmentWorkstationWorkstation
Release date18 March 2025 (less than a year ago)2025 (recently)

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 cores1408016384
Core clock speed1590 MHz1000 MHz
Boost clock speed2617 MHz2400 MHz
Number of transistors92,200 million185,000 million
Manufacturing process technology5 nm3 nm
Power consumption (TDP)300 Watt1400 Watt
Texture fill rate1,1512,457.6
Floating-point processing power73.69 TFLOPS78.64 TFLOPS
ROPs176no data
TMUs4401024
Tensor Cores4401024
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 5.0 x16PCIe 5.0 x16
Length267 mmno data
Width2-slotOAM Module
Supplementary power connectors1x 16-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 typeGDDR7HBM3e
Maximum RAM amount48 GB288 GB
Memory bus width384 Bit8192 Bit
Memory clock speed1750 MHz2000 MHz
Memory bandwidth1.34 TB/s8.19 TB/s
Resizable BAR++

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display Connectors4x DisplayPort 2.1bNo outputs

API and SDK compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 Ultimate (12_2)N/A
Shader Model6.8N/A
OpenGL4.6N/A
OpenCL3.03.0
Vulkan1.4N/A
CUDA12.0-
DLSS++

Pros & cons summary


Maximum RAM amount 48 GB 288 GB
Chip lithography 5 nm 3 nm
Power consumption (TDP) 300 Watt 1400 Watt

RTX PRO 5000 Blackwell has 366.7% lower power consumption.

Instinct MI355X, on the other hand, has a 500% higher maximum VRAM amount, and a 66.7% more advanced lithography process.

We couldn't decide between RTX PRO 5000 Blackwell and Radeon Instinct MI355X. We've got no test results to judge.

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NVIDIA RTX PRO 5000 Blackwell
RTX PRO 5000 Blackwell
AMD Radeon Instinct MI355X
Radeon Instinct MI355X

Other comparisons

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


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5 1 vote

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