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AMD Instinct MI455X
amd
accelerator
Released 2026-07-23
AMD Instinct MI455X
Architecture:
CDNA 5
Configure in Manual PC Builder
VRAM Capacity
432 GB
HBM4
FP32 Compute
Standard
Single Precision
Thermal TDP
Standard
Max Sustained Power
Memory Bandwidth
23300 GB/s
System Bus
Silicon & Compute Pipeline
Microarchitecture
CDNA 5
Generation Series
N/A
Process Node
N/A
Die Size
N/A
Transistor Count
N/A
Shading Units / CUDA Cores
N/A
Clock Speeds & Bus Interface
Base Clock Speed
N/A
Boost Clock Speed
N/A
Memory Clock
N/A
Memory Bus Width
N/A
Bus Interface
PCIe Express
Supported APIs
Data Source:
open-gpu-db
(upstream: amd-instinct-mi455x). Licensed under ODbL Open Data.