NVIDIA A100 80GB PCIe vs MI300

Detailed comparison of specifications, performance, and pricing between NVIDIA A100 80GB PCIe and AMD Instinct MI300

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Overall Winner
NVIDIA A100 80GB PCIe
Wins 2 of 7 categories
Performance Leader
NVIDIA A100 80GB PCIe
624.0 TFLOPS (+27%)
The NVIDIA A100 80GB PCIe is 27% faster.

Difference Analysis

Metric
NVIDIA A100 80GB PCIe
Difference
MI300
Tensor TFLOPS
624.0
+27%
490.3
VRAM
80GB
-60%
128GB
Memory Bandwidth
2.0 TB/s
-160%
5.3 TB/s
Hardware Price
-
=
$$15k
Cloud Price/hr
-
=
-

Full Specifications

Specification NVIDIA A100 80GB PCIe MI300 B200 H100 PCIe
Brand NVIDIA AMD NVIDIA NVIDIA
Series Data Center Data Center Data Center Data Center
Architecture Ampere CDNA3 Blackwell Hopper
VRAM 80GB 128GB 192GB 80GB
VRAM Type HBM2E HBM3 HBM3e HBM2e
Memory Bandwidth 2.0 TB/s 5.3 TB/s 8.0 TB/s 2.0 TB/s
FP16 TFLOPS 312.0 490.3 - 102.0
Tensor TFLOPS 624.0 - 4.5k 1.5k
TDP 300W 750W 1000W 350W
Form Factor - OAM SXM PCIe
Hardware Price - $$15k $$45k $$28k
Cloud Price (min) - - $3.75/hr $2.89/hr

Which Should You Choose?

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For AI Training

Large model training needs maximum VRAM and memory bandwidth.

Recommended: MI300
128GB VRAM · 5.3 TB/s

For AI Inference

Inference prioritizes throughput and cost efficiency.

Recommended: NVIDIA A100 80GB PCIe
Best performance per dollar

NVIDIA A100 80GB PCIe vs MI300 FAQ

It depends on your use case. The NVIDIA A100 80GB PCIe offers 27% better performance (624.0 vs 490.3 TFLOPS). For raw performance, choose NVIDIA A100 80GB PCIe. 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.

Upgrading to NVIDIA A100 80GB PCIe would give you 27% more performance and similar VRAM. Consider if your workloads are bottlenecked by current GPU capabilities.

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