Flopper.io GPU Comparison Sheet
AMD Instinct MI440X OAM vs AMD Instinct MI455X
Side by side datacenter GPU specifications from the Flopper.io database.
Overview
| AMD Instinct MI440X OAM | AMD Instinct MI455X | |
|---|---|---|
| FP32 TFLOPS | — | 315.0 |
| Memory | — | 432 GB |
| Memory Bandwidth | — | 23.3 TB/s |
| TDP | — | — |
Performance by Precision
| Precision | AMD Instinct MI440X OAM peak TFLOPS (dense) | AMD Instinct MI455X peak TFLOPS (dense) |
|---|---|---|
| FP64 | — | 5.0 |
| FP32 | — | 315.0 |
| TF32 | — | — |
| BF16 | — | 5033.0 |
| FP16 | — | 5033.0 |
| FP8 | — | 20133.0 |
| FP6 | — | 20133.0 |
| FP4 | — | 40265.0 |
| INT8 | — | 5033.0 |
Specifications
| AMD Instinct MI440X OAM | AMD Instinct MI455X | |
|---|---|---|
| Architecture | CDNA 5 | CDNA 5 |
| Process Node | — | TSMC 2nm/3nm |
| Launch Year | 2026 | 2026 |
| Form Factor | OAM | EAM |
| Memory Type | — | HBM4 |
| Interface Width | — | — |
| Interconnect | — | — |
| TDP | — | — |
| FP32 Efficiency | — | — |