AMD Helios
rack
72× Instinct MI455X
UALink over Ethernet (UALoE) scale-up; Ultra Ethernet (UEC) scale-out; AMD Pensando DPUs
2026
FP8
1449.6
PFLOPS
FP4
2899.1
PFLOPS
Power
—
kW Total
Memory
31850
GB Total
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FP8
1449.55
PFLOPS
FP4
2899.10
PFLOPS
System Details
GPU Configuration
GPU Model: AMD
Instinct MI455X
OAM
GPU Count: 72 GPUs
Architecture: CDNA 5
Interconnect: UALink over Ethernet (UALoE) scale-up; Ultra Ethernet (UEC) scale-out; AMD Pensando DPUs
System Specifications
Form Factor: rack
Total Power: —
Total Memory: 31850 GB
Memory Bandwidth: 1677600 GB/s
Precision Performance Breakdown
| Precision | System Performance | Per GPU | Efficiency |
|---|---|---|---|
| 1449.554 PFLOPS | 20132.7 TFLOPS | — | |
| 2899.102 PFLOPS | 40265.3 TFLOPS | — |
All figures are dense. Vendors commonly headline the number, which is twice the dense one.
Powered by AMD Instinct MI455X
This system utilizes 72 × AMD Instinct MI455X OAM GPUs, each delivering exceptional performance for AI and HPC workloads.
Per GPU TDP
—
Per GPU Memory
432 GB
Process Node
—
Architecture
CDNA 5
Documentation & Resources
Official Datasheet
AMD Helios technical specifications
AMD INSTINCT™ MI300A APU Data Sheet
AMD • 2025-09-22
Typical Use Cases
AI/ML Training
High-Performance Computing
Data Analytics
The AMD Helios runs 72× Instinct MI455X GPUs over UALink over Ethernet (UALoE) scale-up; Ultra Ethernet (UEC) scale-out; AMD Pensando DPUs, delivering 1,450 PFLOPS FP8 dense.