A100 40GB vs AMD Instinct MI100

Detailed comparison of specifications, performance, and pricing between NVIDIA A100 40GB PCIe and AMD Instinct MI100

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Overall Winner
A100 40GB
Wins 4 of 7 categories
Performance Leader
A100 40GB
312.0 TFLOPS (+69%)
The A100 40GB is 69% faster.

Difference Analysis

Metric
A100 40GB
Difference
AMD Instinct MI100
Tensor TFLOPS
312.0
+69%
184.6
VRAM
40GB
+25%
32GB
Memory Bandwidth
1.6 TB/s
+27%
1.2 TB/s
Hardware Price
$$8.0k
=
-
Cloud Price/hr
$0.720
=
-

Full Specifications

Specification A100 40GB AMD Instinct MI100
Brand NVIDIA AMD
Series Data Center Data Center
Architecture Ampere CDNA
VRAM 40GB 32GB
VRAM Type HBM2e HBM2
Memory Bandwidth 1.6 TB/s 1.2 TB/s
FP16 TFLOPS 78.0 184.6
Tensor TFLOPS 312.0 184.6
TDP 250W 300W
Form Factor PCIe -
Hardware Price $$8.0k -
Cloud Price (min) $0.720/hr -

Which Should You Choose?

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For AI Training

Large model training needs maximum VRAM and memory bandwidth.

Recommended: A100 40GB
40GB VRAM · 1.6 TB/s

For AI Inference

Inference prioritizes throughput and cost efficiency.

Recommended: A100 40GB
Best performance per dollar

A100 40GB vs AMD Instinct MI100 FAQ

It depends on your use case. The A100 40GB offers 69% better performance (312.0 vs 184.6 TFLOPS). For raw performance, choose A100 40GB. For value, consider your budget and workload requirements.

The A100 40GB has more VRAM with 40GB compared to 32GB (25% more). More VRAM is crucial for training large models and running inference on bigger batch sizes.

For AI training, the A100 40GB is generally better due to its larger VRAM (40GB). Large language models and deep learning workloads benefit significantly from more memory. However, if your models fit in 32GB, 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 A100 40GB would give you 69% more performance and 25% more VRAM. Consider if your workloads are bottlenecked by current GPU capabilities.