NVIDIA H200 vs. DGX B200 GPUs (2025): Blackwell vs. Hopper for AI, HPC & LLM Workloads

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Feature NVIDIA H200 NVIDIA DGX B200
GPU Architecture
Hopper
Blackwell
Memory Capacity
141GB HBM3e per GPU
1,440GB total across 8 GPUs
Inference Performance
2X vs. H100 in LLM throughput
15X vs. H100 for inference
Training Performance
Accelerates LLMs like Llama2 70B
3X training speed over previous-gen DGX
Form Factor & Deployment
SXM/PCIe flexibility, air-cooled options
10RU unified platform with integrated CPUs, storage, and networking
Power Consumption
600–700W per GPU
14.3kW max system load
Use Case Fit
High-throughput inference, scalable HPC
End-to-end enterprise AI pipelines
Software Ecosystem
NVIDIA AI Enterprise, NIM microservices
Full-stack suite with Mission Control and DGX OS
Scalability Options
NVIDIA MGX & HGX certified systems
DGX BasePOD & SuperPOD hyperscale setups
Best For
Modular upgrades, inference-first workloads
AI factories, enterprise-scale AI operations

1. AI Performance: LLM Inference, Training, and Versatility 

If you’re deploying or scaling enterprise generative AI, both the H200 and DGX B200 offer next-gen performance – though in very different packages.  

  • DGX B200 (Blackwell Architecture): Up to 3x training speed and 15x inference performance compared to previous-gen systems. Designed as an all-in-one AI factory, the B200 excels in full-pipeline workloads—LLM training, recommender systems, chatbots, and more. 
  • H200 (Hopper Architecture): Features 141GB of HBM3e memory at 4.8TB/s bandwidth, delivering 2X inference throughput for models like Llama2 70B compared to the H100. Built for large-scale inference and HPC acceleration. 

Best Choice? 

  • For training + deployment on one platform, DGX B200 is ideal. 
  • For high-volume, low-latency inference or HPC tasks, the H200 leads in memory bandwidth and throughput. 
DGX B200
NVIDIA DGX B200
A group of four NVIDIA H200 AI Accelerator GPUs with black and gold casings is arranged on a reflective black surface.
NVIDIA H200

2. Architecture & Compute Power: Blackwell vs. Hopper

These GPUs represent NVIDIA’s top-tier innovation in AI Hardware.  

  • DGX B200: Packs 8x Blackwell GPUs, 72 PFLOPS training, 144 PFLOPS inference, and up to 1,440GB total GPU memory—a staggering footprint for enterprise-grade AI. 
  • H200: Offers 4 PFLOPS FP8, 3,958 TFLOPS Tensor performance, and multi-instance support with up to 7 MIGs per GPU. Perfect for flexible deployments across LLMs, RAG, and computer vision. 

Best Choice?  

  • Choose DGX B200 for GPU density and scale, especially in mission-critical AI factories.  
  • Choose H200 for cutting-edge memory and compute flexibility, especially where energy efficiency and form factor matter. 
A cityscape at dusk with blue glowing lines and nodes superimposed, representing digital connectivity and network communication across urban buildings.
A cityscape at dusk with blue glowing lines and nodes superimposed, representing digital connectivity and network communication across urban buildings.

 

3. Scalability & Integration: NVLink, PCIe, and Multi-GPU Setup

How do these systems expand across your data center?  

  • DGX B200: Uses 5th-gen NVLink and fits within DGX SuperPOD configurations for hyperscale environments. Includes 2x Intel Xeon CPUs and up to 4TB system memory—built to integrate seamlessly. 
  • H200: Comes in SXM and NVL form factors, supporting PCIe Gen5, NVLink bridge up to 900GB/s, and works with NVIDIA MGX and HGX platforms. 

Best Choice?  

  • DGX B200 is turnkey for full-stack deployments 
  • H200 provides modularity and flexibility for targeted upgrades or edge integration. 

 

4. Energy Efficiency & Cost Optimization

AI acceleration without ballooning your power budget 

  • DGX B200: Draws 14.3kW max power – high performance, enterprise-class load. 
  • H200: Operates at 600-700W per GPU with better TCO and energy efficiency than the H100. 

Best Choice? 

  • DGX B200 is purpose-built for high-density AI pipelines where energy scaling is already factored in. 
  • H200 is ideal for lower-power deployments or fitting existing infrastructure.
A bright blue light shines at the center, with white streaks radiating outward against a dark background, resembling a space warp or speed effect.
A bright blue light shines at the center, with white streaks radiating outward against a dark background, resembling a space warp or speed effect.

5. Software Ecosystem & Enterprise Support

Performance is nothing without operational excellence. 

  • DGX B200: Includes NVIDIA Mission Control, AI Enterprise stack, and lifecycle services—perfect for CIOs and federal IT leads managing compliance and uptime. 
  • H200: Bundled with a five-year AI Enterprise subscription, plus support for NIM microservices—great for fast-tracking AI development and integrating secure, production-ready workloads. 

Best Choice?  

  • DGX B200 suits organizations investing in full-stack AI infrastructure.  
  • H200 works for those seeking targeted acceleration and robust software support in smaller rack footprints. 
NVIDIA logo featuring a stylized eye in white and green, with the letters "nvidia" in black beneath it, as highlighted in our Featured Partners section.
NVIDIA logo featuring a stylized eye in white and green, with the letters “nvidia” in black beneath it, as highlighted in our Featured Partners section.

 

Final Verdict: DGX B200 or H200? 

Choose DGX B200 if: 

  • You want a unified AI platform for training, deployment, and scaling. 
  • You’re building out a mission-critical AI factory with consistent workload needs. 
  • Your organization requires dense compute, maximum memory, and end-to-end support. 

Choose H200 If: 

  • You need high-throughput inference and HPC acceleration in a scalable form factor. 
  • You prioritize energy efficiency and modular integration into existing infrastructure. 
  • Your use case focuses on LLM deployment, scientific computing, or edge workloads. 

Final Thoughts – Tailor the Power to the Mission 

The DGX B200 is like owning a full-stack AI assembly line, while the H200 acts as a performance tuned tool ideal for slicing through inference workloads and HPC bottle necks. Whether you’re a federal integrator, data scientist, or enterprise strategists, the right choice depends on your pipeline stage, workload diversity, and deployment goals. If you have any questions, contact us today! 

Frequently Asked Questions

Read what common questions our customers have about the NVIDIA H200 vs DGX B200. 

What’s biggest the difference between NVIDIA H200 and DGX B200?

The H200 is a powerful, memory-rich accelerator based on the Hopper architecture, ideal for high-throughput inference and memory-intensive HPC tasks. DGX B200 is a turnkey platform built around eight Blackwell GPUs with 3X training and 15X inference performance over previous-gen systems. 

Yes, especially for large language models like Llama2 and GPT-3. The H200 delivers 2X inference performance over the H100, with optimized throughput and low latency for real-time results. 

With 144 petaFLOPS of inference power and unified memory across eight Blackwell GPUs, the DGX B200 is capable of handling massive inference workloads.

Ace supports NIST SP 800-171 and SP 800-53 controls, enabling secure deployment across federal networks.

The H200 features 141GB of HBM3e and 4.8TB/s bandwidth—nearly double the H100 and essential for accelerating HPC and AI inference. DGX B200 offers more total GPU memory (1,440GB), but bandwidth per GPU is lower compared to the H200’s newer memory spec. 

Yes. Despite its power, the H200 maintains the same thermal profile as the H100, with configurable TDP and higher energy efficiency—especially important for enterprise deployments prioritizing reduced TCO and sustainability. 

Extremely. It’s designed for integration into NVIDIA BasePOD and SuperPOD clusters, offering hyperscale deployment for enterprise AI factories. If you’re building end-to-end solutions, from training to inference, the DGX platform is unmatched. 

Choose the H200 if you need targeted, scalable inference, enhanced memory bandwidth, and flexible form factors. Choose DGX B200 if you’re deploying a full-stack AI workflow, require the highest performance for training, and need integrated software and support for enterprise-scale operations.