NVIDIA B200 VS NVIDIA A100 40GB
Choosing between **B200** and **A100 40GB** depends on your specific AI workload requirements. The **B200** 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 **$2.25/h** and **$0.00/h** respectively across 20 providers.
A100 40GB
📊 Detailed Specifications Comparison
| Specification | B200 | A100 40GB | Difference |
|---|---|---|---|
| Architecture & Design | |||
| Architecture | Blackwell | Ampere | - |
| Process Node | 4nm | 7nm | - |
| Target Market | datacenter | datacenter | - |
| Form Factor | SXM | SXM4 / PCIe | - |
| Memory & Bandwidth | |||
| VRAM Capacity | 192GB | 40GB | +380% |
| Memory Type | HBM3e | HBM2 | - |
| Memory Bandwidth | 8.0 TB/s | 1.5 TB/s | +414% |
| Memory Bus Width | 8192-bit | 5120-bit | - |
| Compute Infrastructure | |||
| CUDA Cores | 18,432 | 6,912 | +167% |
| Tensor Cores (AI) | 576 | 432 | +33% |
| AI & Compute Performance (TFLOPS) | |||
| FP32 (Single Precision) | 90 TFLOPS | 19.5 TFLOPS | +362% |
| FP16 (Half Precision) | 4,500 TFLOPS | 312 TFLOPS | +1342% |
| TF32 (Tensor Float) | 2,250 TFLOPS | N/A | |
| FP64 (Double Precision) | 45 TFLOPS | N/A | |
| INT8 (Integer Precision) | 9,000 TOPS | N/A | |
| Power & Efficiency | |||
| TDP (Thermal Design Power) | 1000W | 250W | +300% |
| PCIe Interface | PCIe 5.0 x16 | PCIe 4.0 x16 | - |
| Multi-GPU Interconnect | NVLink 5.0 (1.8 TB/s) | None | - |
🎯 Use Case Recommendations
LLM & Large Model Training
NVIDIA B200
Higher VRAM capacity and memory bandwidth are critical for training large language models. The B200 offers 192GB compared to 40GB.
AI Inference
NVIDIA B200
For inference workloads, performance per watt matters most. Consider the balance between FP16/INT8 throughput and power consumption.
Budget-Conscious Choice
NVIDIA B200
Compare live pricing to find the best value for your specific workload.
Technical Deep Dive: B200 vs A100 40GB
This is a generational comparison within the NVIDIA ecosystem, pitting Blackwell against Ampere. The B200 has a significant **152GB VRAM advantage**, which is crucial for training massive datasets or large language models.
NVIDIA B200 is Best For:
- Next-gen LLM training
- Trillion parameter models
- Cost-sensitive projects
NVIDIA A100 40GB is Best For:
- Mainstream AI training
- Scientific computing
- Memory-intensive LLM training
Frequently Asked Questions
Which GPU is better for AI training: B200 or A100 40GB?
For AI training, the key factors are VRAM size, memory bandwidth, and tensor core performance. The B200 offers 192GB of HBM3e memory with 8.0 TB/s bandwidth, while the A100 40GB provides 40GB of HBM2 with 1.5 TB/s bandwidth. For larger models, the B200's higher VRAM capacity gives it an advantage.
What is the price difference between B200 and A100 40GB 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 A100 40GB instead of B200 for my workload?
It depends on your specific requirements. If your model fits within 40GB of VRAM and you don't need the additional throughput of the B200, the A100 40GB can be a cost-effective alternative. However, for workloads requiring maximum memory capacity or multi-GPU scaling, the B200's NVLink support (NVLink 5.0 (1.8 TB/s)) may be essential.
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