H100 PCIe vs NVIDIA A100 80GB PCIe

Detailed comparison of specifications, performance, and pricing between NVIDIA H100 PCIe and NVIDIA A100 80GB PCIe

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Overall Winner
H100 PCIe
Wins 3 of 7 categories
Performance Leader
H100 PCIe
1.5k TFLOPS (+142%)
The H100 PCIe is 142% faster.

Difference Analysis

Metric
H100 PCIe
Difference
NVIDIA A100 80GB PCIe
Tensor TFLOPS
1.5k
+142%
624.0
VRAM
80GB
=
80GB
Memory Bandwidth
2.0 TB/s
-2%
2.0 TB/s
Hardware Price
$$28k
=
-
Cloud Price/hr
$2.39
=
-

Full Specifications

Specification H100 PCIe NVIDIA A100 80GB PCIe AMD Instinct MI250
Brand NVIDIA NVIDIA AMD
Series Data Center Data Center Data Center
Architecture Hopper Ampere CDNA 2
VRAM 80GB 80GB 128GB
VRAM Type HBM2e HBM2E HBM2E
Memory Bandwidth 2.0 TB/s 2.0 TB/s 3.3 TB/s
FP16 TFLOPS 102.0 312.0 362.0
Tensor TFLOPS 1.5k 624.0 724.0
TDP 350W 300W 500W
Form Factor PCIe - -
Hardware Price $$28k - -
Cloud Price (min) $2.39/hr - -

Which Should You Choose?

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For AI Training

Large model training needs maximum VRAM and memory bandwidth.

Recommended: H100 PCIe
80GB VRAM · 2.0 TB/s

For AI Inference

Inference prioritizes throughput and cost efficiency.

Recommended: H100 PCIe
Best performance per dollar

H100 PCIe vs NVIDIA A100 80GB PCIe FAQ

It depends on your use case. The H100 PCIe offers 142% better performance (1.5k vs 624.0 TFLOPS). For raw performance, choose H100 PCIe. For value, consider your budget and workload requirements.

The H100 PCIe has more VRAM with 80GB compared to 80GB (0% more). More VRAM is crucial for training large models and running inference on bigger batch sizes.

For AI training, the H100 PCIe is generally better due to its larger VRAM (80GB). 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 H100 PCIe would give you 142% more performance and 0% more VRAM. Consider if your workloads are bottlenecked by current GPU capabilities.