Hardware Tips
2025/07/06

ChatRTX vs. ChatGPT: Should Users Use Local AI or Cloud AI?

As generative AI and AI PCs continue to gain traction, many gamers and creators have integrated ChatGPT into their daily workflows. Recently, NVIDIA launched ChatRTX, enabling local AI to run directly on your RTX GPU.

But how are these tools different? Do you need to install ChatRTX if you’re already using ChatGPT? What is the real-world impact on gaming and creative workflows?

What is ChatRTX?

ChatRTX is a locally run generative AI assistant developed by NVIDIA for RTX GPU users. Key features include:

  • Fully offline operation, ensuring data privacy

  • Ability to quickly index and query local files (PDF, Word, TXT)

  • Utilizes RTX GPU acceleration for fast inference and low latency

It’s not a text generator but rather a “local AI search assistant” designed to help gamers and creators find files and get answers without digging through folders.

What is ChatGPT?

ChatGPT is OpenAI’s cloud-based generative AI assistant, capable of:

  • Generating articles, scripts, and social posts

  • Translating, rewriting, and summarizing content

  • Providing script ideas and brainstorming game or content plans

All computation happens in the cloud, requiring no local resources, making it perfect for content generation and cross-device workflows.

Feature Comparison Table

How Does ChatRTX Impact Your Hardware?

Running ChatRTX uses GPU compute power, which:

  • Consumes GPU VRAM (8GB recommended for stability)

  • Increases GPU temperature during sustained use

  • May affect gaming or editing performance if running concurrently

(ZOTAC GAMING GeForce RTX 5070 Ti, 16GB VRAM)

We recommend

to keep your GPU cool during extended AI workloads and prevent thermal throttling or noise issues.

(darkFlash DY470 ATX PC Case w/ INF34 ARGB Cooling Fans)

Which One Should You Use?

Use ChatRTX if you:

  • Need to search and manage large local file libraries

  • Require offline operation and privacy

  • Have an RTX GPU and want to enhance local productivity

Use ChatGPT if you:

  • Need to generate content or brainstorm ideas

  • Prefer cloud access across multiple devices (PC, tablet, phone)

  • Have limited hardware resources

Conclusion: Best Used Together

ChatRTX isn’t a replacement for ChatGPT; it’s a complementary tool.

  • Use ChatGPT for content generation and creative ideation

  • Use ChatRTX for fast, offline local data retrieval

In the AI PC era, leveraging the right AI tools alongside darkFlash thermal solutions ensures your gaming and creative workflows remain fast, stable, and efficient.

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