Flopper.io GPU Comparison Sheet
September 26, 2026
flopper.io/compare/amd-instinct-mi430x-oam-vs-amd-instinct-mi455x-oamAMD Instinct MI430X OAM vs AMD Instinct MI455X OAM
Side by side datacenter GPU specifications from the Flopper.io database.
Overview
| AMD Instinct MI430X OAM | AMD Instinct MI455X OAM | |
|---|---|---|
| FP32 TFLOPS | — | — |
| Memory | 432 GB | 432 GB |
| Memory Bandwidth | — | 23.3 TB/s |
| TDP | — | — |
Performance by Precision
| Precision | AMD Instinct MI430X OAM peak TFLOPS (dense) | AMD Instinct MI455X OAM peak TFLOPS (dense) |
|---|---|---|
| FP64 | 288.0 | — |
| FP32 | — | — |
| TF32 | — | — |
| BF16 | — | — |
| FP16 | — | — |
| FP8 | — | 20132.7 |
| FP6 | — | — |
| FP4 | — | 40265.3 |
| INT8 | — | — |
Specifications
| AMD Instinct MI430X OAM | AMD Instinct MI455X OAM | |
|---|---|---|
| Architecture | CDNA 5 | CDNA 5 |
| Process Node | — | — |
| Launch Year | 2027 | 2026 |
| Form Factor | OAM | OAM |
| Memory Type | HBM4 | HBM4 |
| Interface Width | — | — |
| Interconnect | Infinity Fabric | — |
| TDP | — | — |
| FP32 Efficiency | — | — |