Flopper.io
Flopper.io GPU Comparison Sheet
August 28, 2026
flopper.io/compare/amd-instinct-mi325x-oam-vs-amd-mi300a-128gb

AMD Instinct MI325X OAM vs AMD Instinct MI300A 128GB

Side by side datacenter GPU specifications from the Flopper.io database.

Overview

AMD Instinct MI325X OAMAMD Instinct MI300A 128GB
FP32 TFLOPS163.4122.6
VRAM256 GB128 GB
Memory Bandwidth6.0 TB/s5.3 TB/s
TDP1.0 kW760 W

Performance by Precision

PrecisionAMD Instinct MI325X OAM peak TFLOPS (dense)AMD Instinct MI300A 128GB peak TFLOPS (dense)
INT8 2614.91961.2
FP8 2614.91961.2
FP16 1307.4980.6
BF16 1307.4980.6
TF32 653.7490.3
FP32 163.4122.6
FP64 81.761.3

Specifications

AMD Instinct MI325X OAMAMD Instinct MI300A 128GB
ArchitectureCDNA 3CDNA 3
Process Node5nm FinFET5nm FinFET
Launch Year20252023
Form FactorOAMAPU SH5 socket
Memory Type——
Interface Width——
Interconnect——
TDP1.0 kW760 W
FP32 Efficiency0.16 TFLOPS/W0.16 TFLOPS/W