Specifications Compared
| Spec | H100 | RTX-3080 |
|---|---|---|
| TDP | 700W | 320W |
| VRAM | 80-94 GB | 10-12 GB |
| CUDA Cores | 16,896 | 8,704 |
| Memory Type | HBM3 | GDDR6X |
| Architecture | Hopper | Ampere |
| Form Factors | SXM5, PCIe, NVL | PCIe |
| Interconnect | NVLink, PCIe 5.0, InfiniBand | |
| Tensor Cores | 528 | 272 |
| FP8 Performance | 3,958 TFLOPS | |
| FP16 Performance | 1,979 TFLOPS | 29.8 TFLOPS |
| FP32 Performance | 67 TFLOPS | 29.8 TFLOPS |
| FP64 Performance | 34 TFLOPS | |
| INT8 Performance | 3,958 TOPS | |
| Memory Bandwidth | 3,350 GB/s | 760 GB/s |
Performance Analysis
Compute performance differences define their capabilities. The H100 NVL reaches 1979 TFLOPS in FP16 and 3958 TFLOPS in FP8, while the RTX 3080 Ti hits 29.8 TFLOPS in both FP16 and FP32. This gap accelerates AI training on H100 NVL, where FP16 and FP8 precision handle large models efficiently.
For inference, the H100 NVL's superior throughput supports high-volume requests with lower latency. The FP16/FP32 parity on RTX 3080 Ti limits it to simpler deployments. Memory bandwidth plays a key role: 3350 GB/s on H100 NVL permits massive batch sizes in training, avoiding out-of-memory errors common with RTX 3080 Ti's 760 GB/s and 10-12 GB VRAM.
Real-world impacts include faster convergence in model training on H100 NVL and scalability for scientific simulations, whereas RTX 3080 Ti suits prototyping where 29.8 TFLOPS suffices.
Live Cloud Pricing
Real-time prices from 25+ providers. Updated every 60 seconds.
H100 NVL
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
 Hyperstack | 4×NVIDIA H100 PCIe 80GB VRAM | 80GB | 124 vCPU 720GB RAM 3300GB Storage | Canada | $1.90/GPU/hr $7.60/hr total (4×) | Available | ||
Hyperstack | 2×NVIDIA H100 PCIe 80GB VRAM | 80GB | 60 vCPU 360GB RAM 1600GB Storage | Canada | $1.90/GPU/hr $3.80/hr total (2×) | Available | ||
Hyperstack | 8×NVIDIA H100 PCIe 80GB VRAM | 80GB | 252 vCPU 1440GB RAM 6600GB Storage | Canada | $1.90/GPU/hr $15.20/hr total (8×) | Available | ||
Hyperstack | NVIDIA H100 PCIe 80GB VRAM | 80GB | 28 vCPU 180GB RAM 850GB Storage | Canada | $1.90/GPU/hr | Available | ||
Hyperstack | 8×NVIDIA H100 PCIe 80GB VRAM | 80GB | 252 vCPU 1440GB RAM 6600GB Storage | Canada | $1.95/GPU/hr $15.60/hr total (8×) | Available |
When to Choose the H100 NVL
Select the H100 NVL for large-scale AI training and inference. Its 80-94 GB VRAM accommodates models exceeding 10-12 GB, and 1979 TFLOPS FP16 ensures rapid processing. Datacenter form factors like SXM5 and NVLink interconnects enable multi-GPU clusters.
High-memory workloads such as scientific computing benefit from 3350 GB/s bandwidth, supporting batch sizes impractical on RTX 3080 Ti.
When to Choose the RTX 3080 Ti
Opt for the RTX 3080 Ti in cost-sensitive scenarios like gaming or lightweight inference. At $0.08 per hour average $0.14 per hour, it delivers value for tasks within 10-12 GB VRAM. Its 320W TDP fits consumer or small-scale cloud instances.
Prototyping Stable Diffusion or fine-tuning small models leverages 29.8 TFLOPS FP16 without H100 NVL's overhead.
Use Cases
H100 NVL's 3958 TFLOPS FP8 and 80-94 GB HBM3 VRAM handle massive parameter counts. RTX 3080 Ti's 10-12 GB VRAM cannot support equivalent scales.
1979 TFLOPS FP16 on H100 NVL delivers low-latency serving for large models. RTX 3080 Ti limits batch sizes due to 760 GB/s bandwidth.
H100 NVL's memory capacity fits full model fine-tuning. 3350 GB/s bandwidth accelerates iterations beyond RTX 3080 Ti's constraints.
RTX 3080 Ti's 29.8 TFLOPS FP16 suffices for image generation at low cost. H100 NVL overkill for consumer-scale diffusion tasks.
H100 NVL's 67 TFLOPS FP32 and high VRAM excel in simulations. RTX 3080 Ti's lower specs hinder complex datasets.
Frequently Asked Questions
Which GPU has more VRAM: H100 NVL or RTX 3080 Ti?▾
The H100 NVL provides 80-94 GB HBM3 VRAM. RTX 3080 Ti offers 10-12 GB GDDR6X. This enables H100 NVL for larger models.
What is the FP16 performance difference?▾
H100 NVL achieves 1979 TFLOPS FP16. RTX 3080 Ti reaches 29.8 TFLOPS. The ratio exceeds 66 times, favoring AI acceleration.
How do cloud prices compare?▾
H100 NVL starts at $1.40 per hour, averaging $2.89 per hour across nine offers. RTX 3080 Ti begins at $0.08 per hour, averaging $0.14 per hour across four offers.
What are the TDPs?▾
H100 NVL consumes 700W TDP. RTX 3080 Ti uses 320W. Lower TDP suits RTX 3080 Ti for power-limited setups.
Is H100 NVL better for training large models?▾
Yes, due to 3958 TFLOPS FP8 and 3350 GB/s bandwidth. RTX 3080 Ti's 29.8 TFLOPS cannot match training throughput.
Which supports NVLink?▾
H100 NVL includes NVLink and PCIe 5.0 interconnects. RTX 3080 Ti lacks advanced multi-GPU links.
Which is cheaper to rent, the H100 or the RTX 3080?▾
Cloud rental prices for both the H100 and RTX 3080 vary by provider, configuration, and availability. This page shows live pricing from 25+ providers updated every 60 seconds. Scroll to the Live Cloud Pricing section to compare current rates.
How much VRAM does the H100 have compared to the RTX 3080?▾
The H100 has 80 to 94 GB of HBM3 memory. The RTX 3080 has 10 to 12 GB of GDDR6X memory.
Can I find H100 and RTX 3080 GPUs available to rent right now?▾
Yes. This page shows real-time availability across 25+ cloud GPU providers. The Live Cloud Pricing section displays only in-stock offers with current pricing.
What is the main difference between the H100 and the RTX 3080?▾
The H100 uses the Hopper architecture (2022) while the RTX 3080 uses Ampere (2020). The H100 delivers 66.4x the FP16 throughput and 4.4x the memory bandwidth of the RTX 3080.