H100 PCIe vs NVIDIA GeForce RTX 3080

Detailed comparison of specifications, performance, and pricing between NVIDIA H100 PCIe and NVIDIA GeForce RTX 3080

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Overall Winner
H100 PCIe
Wins 4 of 7 categories
Performance Leader
H100 PCIe
1.5k TFLOPS (+536%)
The H100 PCIe is 536% faster.

Difference Analysis

Metric
H100 PCIe
Difference
NVIDIA GeForce RTX 3080
Tensor TFLOPS
1.5k
+536%
238.0
VRAM
80GB
+700%
10GB
Memory Bandwidth
2.0 TB/s
+163%
760 GB/s
Hardware Price
$$28k
=
-
Cloud Price/hr
$2.39
+1306%
$0.170

Full Specifications

Specification H100 PCIe NVIDIA GeForce RTX 3080 AMD Radeon RX 7900 XT
Brand NVIDIA NVIDIA AMD
Series Data Center Consumer Consumer
Architecture Hopper Ampere RDNA 3
VRAM 80GB 10GB 20GB
VRAM Type HBM2e GDDR6X GDDR6
Memory Bandwidth 2.0 TB/s 760 GB/s 800 GB/s
FP16 TFLOPS 102.0 59.6 104.0
Tensor TFLOPS 1.5k 238.0 -
TDP 350W 320W 315W
Form Factor PCIe - -
Hardware Price $$28k - -
Cloud Price (min) $2.39/hr $0.170/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
☁️

For Cloud Rental

Minimize hourly costs for cloud workloads.

From $0.170/hr

H100 PCIe vs NVIDIA GeForce RTX 3080 FAQ

It depends on your use case. The H100 PCIe offers 536% better performance (1.5k vs 238.0 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 10GB (700% 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 10GB, 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 536% more performance and 700% more VRAM. Consider if your workloads are bottlenecked by current GPU capabilities.