# What is Blackwell? Definition & Technical Mechanics

> **Source:** [SPIDITS AI AI Glossary](https://spidits.com/ai-glossary)  
> **Category:** Hardware & Infrastructure  
> **Canonical Citation:** [https://spidits.com/ai-glossary/blackwell](https://spidits.com/ai-glossary/blackwell)

## Definition
Blackwell is NVIDIA's high-performance GPU architecture designed specifically to accelerate trillion-parameter large language models, offering massive throughput improvements for AI training and inference workloads.

## Architectural Mechanics & Deep Dive
Blackwell is the codename for NVIDIA's next-generation graphics processing unit (GPU) architecture specifically designed for generative AI and trillion-parameter scale models. Named after mathematician David Blackwell, the architecture features dual-die GPUs, high-speed NVLink interconnects, and dedicated transformer engines. Blackwell delivers massive improvements in computational density, energy efficiency, and throughput for demanding LLM training and inference workloads.

## Industry Applications & Real-World Use Cases
AI supercomputing clusters, server GPU acceleration, and hardware scaling.

## Frequently Asked Questions

### How does Blackwell compare to Hopper (H100)?
Blackwell features dual-die architecture, high-bandwidth interconnects, and an advanced engine delivering up to 30x faster inference and 4x faster training compared to Hopper.

### What is the NVLink interconnect in Blackwell?
NVLink is NVIDIA's high-speed GPU-to-GPU interconnect technology, allowing high-density Blackwell clusters to communicate as a single massive GPU.

## Related Terminology
- [gpu](https://spidits.com/ai-glossary/gpu)
- [ai-compute](https://spidits.com/ai-glossary/ai-compute)
- [deep-learning](https://spidits.com/ai-glossary/deep-learning)

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*From the SPIDITS AI Knowledge Base (300+ terms indexed). Explore full technical definitions: [https://spidits.com/ai-glossary](https://spidits.com/ai-glossary)*