H100 SXM vs A100 80GB

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

🏆
Overall Winner
H100 SXM
Wins 4 of 7 categories
Performance Leader
H100 SXM
2.0k TFLOPS (+0%)

Difference Analysis

Metric
H100 SXM
Difference
A100 80GB
Tensor TFLOPS
2.0k
=
-
VRAM
80GB
=
80GB
Memory Bandwidth
3.4 TB/s
=
-
Hardware Price
$$32k
=
-
Cloud Price/hr
$2.10
+51%
$1.39

Full Specifications

Specification H100 SXM A100 80GB AMD Instinct MI250
Brand NVIDIA NVIDIA AMD
Series Data Center - Data Center
Architecture Hopper - CDNA 2
VRAM 80GB 80GB 128GB
VRAM Type HBM3 - HBM2E
Memory Bandwidth 3.4 TB/s - 3.3 TB/s
FP16 TFLOPS 134.0 - 362.0
Tensor TFLOPS 2.0k - 724.0
TDP 700W - 500W
Form Factor SXM - -
Hardware Price $$32k - -
Cloud Price (min) $2.10/hr $1.39/hr -

Which Should You Choose?

🧠

For AI Training

Large model training needs maximum VRAM and memory bandwidth.

Recommended: H100 SXM
80GB VRAM · 3.4 TB/s

For AI Inference

Inference prioritizes throughput and cost efficiency.

Recommended: H100 SXM
Best performance per dollar
☁️

For Cloud Rental

Minimize hourly costs for cloud workloads.

Recommended: A100 80GB
From $1.39/hr

H100 SXM vs A100 80GB FAQ

It depends on your use case. The H100 SXM offers 0% better performance (2.0k vs - TFLOPS). For raw performance, choose H100 SXM. For value, consider your budget and workload requirements.

The H100 SXM 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 SXM 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 SXM would give you 0% more performance and 0% more VRAM. Consider if your workloads are bottlenecked by current GPU capabilities.