A100 80GB vs MI300
Detailed comparison of specifications, performance, and pricing between A100 80GB and AMD Instinct MI300
Difference Analysis
Full Specifications
| Specification | A100 80GB | MI300 | H100 PCIe | B200 |
|---|---|---|---|---|
| Brand | NVIDIA | AMD | NVIDIA | NVIDIA |
| Series | - | Data Center | Data Center | Data Center |
| Architecture | - | CDNA3 | Hopper | Blackwell |
| VRAM | 80GB | 128GB | 80GB | 192GB |
| VRAM Type | - | HBM3 | HBM2e | HBM3e |
| Memory Bandwidth | - | 5.3 TB/s | 2.0 TB/s | 8.0 TB/s |
| FP16 TFLOPS | - | 490.3 | 102.0 | - |
| Tensor TFLOPS | - | - | 1.5k | 4.5k |
| TDP | - | 750W | 350W | 1000W |
| Form Factor | - | OAM | PCIe | SXM |
| Hardware Price | - | $$15k | $$28k | $$45k |
| Cloud Price (min) | $1.39/hr | - | $2.89/hr | $3.75/hr |
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A100 80GB vs MI300 FAQ
It depends on your use case. The MI300 offers 0% better performance (490.3 vs - TFLOPS). For raw performance, choose MI300. For value, consider your budget and workload requirements.
The MI300 has more VRAM with 128GB compared to 80GB (60% more). More VRAM is crucial for training large models and running inference on bigger batch sizes.
For AI training, the MI300 is generally better due to its larger VRAM (128GB). Large language models and deep learning workloads benefit significantly from more memory. However, if your models fit in 80GB, the cheaper option may be more cost-effective.
Price comparison requires both GPUs to have available pricing data. Check individual GPU pages for current market prices.
The MI300 actually offers 0% better performance. An "upgrade" to A100 80GB would be a downgrade in raw performance, though it may offer other benefits like lower power consumption or cost.
