NVIDIA H100 PCIe VS NVIDIA Tesla P40
Choosing between **H100 PCIe** and **P40** depends on your specific AI workload requirements. The **H100 PCIe** leads in both memory capacity and raw compute power, making it a stronger choice for high-end LLM training. Currently, you can rent these GPUs starting from **$0.00/h** and **$0.51/h** respectively across 1 providers.
H100 PCIe
📊 Detailed Specifications Comparison
| Specification | H100 PCIe | P40 | Difference |
|---|---|---|---|
| Architecture & Design | |||
| Architecture | Hopper | Pascal | - |
| Process Node | 4nm | 16nm | - |
| Target Market | datacenter | datacenter | - |
| Form Factor | Dual-slot PCIe | Dual-slot PCIe | - |
| Memory & Bandwidth | |||
| VRAM Capacity | 80GB | 24GB | +233% |
| Memory Type | HBM3 | GDDR5 | - |
| Memory Bandwidth | 2.0 TB/s | 347 GB/s | +476% |
| Memory Bus Width | 5120-bit | 384-bit | - |
| Compute Infrastructure | |||
| CUDA Cores | 14,592 | 3,840 | +280% |
| Tensor Cores (AI) | 456 | N/A | |
| AI & Compute Performance (TFLOPS) | |||
| FP32 (Single Precision) | 51 TFLOPS | 12 TFLOPS | +325% |
| FP16 (Half Precision) | 1,513 TFLOPS | N/A | |
| Power & Efficiency | |||
| TDP (Thermal Design Power) | 350W | 250W | +40% |
| PCIe Interface | PCIe 5.0 x16 | PCIe 3.0 x16 | - |
🎯 Use Case Recommendations
LLM & Large Model Training
NVIDIA H100 PCIe
Higher VRAM capacity and memory bandwidth are critical for training large language models. The H100 PCIe offers 80GB compared to 24GB.
AI Inference
NVIDIA H100 PCIe
For inference workloads, performance per watt matters most. Consider the balance between FP16/INT8 throughput and power consumption.
Budget-Conscious Choice
NVIDIA Tesla P40
Compare live pricing to find the best value for your specific workload.
Technical Deep Dive: H100 PCIe vs P40
This is a generational comparison within the NVIDIA ecosystem, pitting Hopper against Pascal. The H100 PCIe has a significant **56GB VRAM advantage**, which is crucial for training massive datasets or large language models.
NVIDIA H100 PCIe is Best For:
- AI inference
- Enterprise AI
- Highest-end training
NVIDIA Tesla P40 is Best For:
- AI inference
- Video analysis
- Training workloads
Frequently Asked Questions
Which GPU is better for AI training: H100 PCIe or P40?
For AI training, the key factors are VRAM size, memory bandwidth, and tensor core performance. The H100 PCIe offers 80GB of HBM3 memory with 2.0 TB/s bandwidth, while the P40 provides 24GB of GDDR5 with 347 GB/s bandwidth. For larger models, the H100 PCIe's higher VRAM capacity gives it an advantage.
What is the price difference between H100 PCIe and P40 in the cloud?
Cloud GPU rental prices vary by provider and region. Check our price tracker for the latest rates from 50+ cloud providers.
Can I use P40 instead of H100 PCIe for my workload?
It depends on your specific requirements. If your model fits within 24GB of VRAM and you don't need the additional throughput of the H100 PCIe, the P40 can be a cost-effective alternative. However, for workloads requiring maximum memory capacity or multi-GPU scaling, the H100 PCIe's architecture may be essential.
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