Flopper.io GPU Comparison Sheet
November 11, 2026
flopper.io/compare/amd-instinct-mi355x-oam-vs-amd-instinct-mi430x-oamAMD Instinct MI355X OAM vs AMD Instinct MI430X OAM
Side by side datacenter GPU specifications from the Flopper.io database.
Overview
| AMD Instinct MI355X OAM | AMD Instinct MI430X OAM | |
|---|---|---|
| FP32 TFLOPS | 157.3 | — |
| Memory | 288 GB | 432 GB |
| Memory Bandwidth | 8.0 TB/s | 23.3 TB/s |
| TDP | 1.4 kW | — |
Performance by Precision
| Precision | AMD Instinct MI355X OAM peak TFLOPS (dense) | AMD Instinct MI430X OAM peak TFLOPS (dense) |
|---|---|---|
| FP64 | 78.6 | 288.0 |
| FP32 | 157.3 | — |
| TF32 | — | — |
| BF16 | 2516.6 | — |
| FP16 | 2516.6 | — |
| FP8 | 5033.2 | — |
| FP6 | 10066.3 | — |
| FP4 | 10066.3 | 9200.0 |
| INT8 | 5033.2 | — |
Specifications
| AMD Instinct MI355X OAM | AMD Instinct MI430X OAM | |
|---|---|---|
| Architecture | CDNA 4 | CDNA 5 |
| Process Node | 3nm/6nm | — |
| Launch Year | 2025 | 2027 |
| Form Factor | OAM | OAM |
| Memory Type | — | HBM4 |
| Interface Width | — | — |
| Interconnect | — | Infinity Fabric |
| TDP | 1.4 kW | — |
| FP32 Efficiency | 0.11 TFLOPS/W | — |