H100 SXM vs NVIDIA GeForce RTX 3090 Ti

Detailed comparison of specifications, performance, and pricing between NVIDIA H100 SXM and NVIDIA GeForce RTX 3090 Ti

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Overall Winner
H100 SXM
Wins 4 of 7 categories
Performance Leader
H100 SXM
2.0k TFLOPS (+518%)
The H100 SXM is 518% faster.

Difference Analysis

Metric
H100 SXM
Difference
NVIDIA GeForce RTX 3090 Ti
Tensor TFLOPS
2.0k
+518%
320.0
VRAM
80GB
+233%
24GB
Memory Bandwidth
3.4 TB/s
+232%
1.0 TB/s
Hardware Price
$$32k
=
-
Cloud Price/hr
$2.10
+357%
$0.460

Full Specifications

Specification H100 SXM NVIDIA GeForce RTX 3090 Ti AMD Radeon RX 7900 XT
Brand NVIDIA NVIDIA AMD
Series Data Center Consumer Consumer
Architecture Hopper Ampere RDNA 3
VRAM 80GB 24GB 20GB
VRAM Type HBM3 GDDR6X GDDR6
Memory Bandwidth 3.4 TB/s 1.0 TB/s 800 GB/s
FP16 TFLOPS 134.0 80.0 104.0
Tensor TFLOPS 2.0k 320.0 -
TDP 700W 450W 315W
Form Factor SXM - -
Hardware Price $$32k - -
Cloud Price (min) $2.10/hr $0.460/hr -

Which Should You Choose?

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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.

From $0.460/hr

H100 SXM vs NVIDIA GeForce RTX 3090 Ti FAQ

It depends on your use case. The H100 SXM offers 518% better performance (2.0k vs 320.0 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 24GB (233% 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 24GB, 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 518% more performance and 233% more VRAM. Consider if your workloads are bottlenecked by current GPU capabilities.