MI300A is AMD’s APU. It contains one tile of Zen 4 (CPU) at 3.7 GHz and three tiles of CDNA 3 (GPU) at 2.1 GHz. It’s what you get when you replace 25% of an MI300X with a Genoa CPU.
Specifications
Each MI300A CPU has:
- 24 Zen 4 cores
- 3.7 GHz
Each MI300A GPU has:1
- 6 XCDs
- 228 CUs (38 per XCD)
- 14,592 Stream Processors (64 per CU)
- 912 Matrix Cores (4 per CU)
- 2.1 GHz (peak)
- 4:2 structured sparsity
- 228 CUs (38 per XCD)
- 128 GB HBM3 (8 stacks)
- 5.3 TB/s (max)
- 8x16 AMD Infinity Fabric
- PCIe Gen5
- 760 W maximum
Performance
The following are theoretical maximum performance in TFLOPS for the GPU:1
| Data Type | VFMA | Matrix | Sparse |
|---|---|---|---|
| FP64 | 61.3 | ||
| FP32 | 122.6 | ||
| TF32 | 490.3 | 980.6 | |
| FP16 | 980.6 | 1960 | |
| BF16 | 980.6 | 1960 | |
| FP8 | 1960 | 3920 | |
| INT32 | |||
| INT8 | 1960 | 3920 |
Platforms
The following platforms support MI300A:
- HPE Cray EX255a
- NEC LX 401Bax-3GA