GPU HEAD-TO-HEAD

NVIDIA RTX 3090 Ti vs NVIDIA RTX 3090

Which graphics card is better for running local language models? Here is how the NVIDIA RTX 3090 Ti (24 GB) compares against the NVIDIA RTX 3090 (24 GB) in real memory headroom, supported model architectures, and generation speed.

NVIDIA · Ampere 24 GB VRAM

NVIDIA RTX 3090 Ti

  • Memory Bandwidth: 1008 GB/s (GDDR6X 384-bit)
  • Fits fully in VRAM: 37 popular models
  • Power Draw (TDP): 450W
  • Largest recommended (Q4): 32B–34B
View all NVIDIA RTX 3090 Ti models →
NVIDIA · Ampere 24 GB VRAM

NVIDIA RTX 3090

  • Memory Bandwidth: 936 GB/s (GDDR6X 384-bit)
  • Fits fully in VRAM: 37 popular models
  • Power Draw (TDP): 350W
  • Largest recommended (Q4): 32B–34B
View all NVIDIA RTX 3090 models →

The AI Local Check Verdict: Which GPU should you buy for AI?

Both graphics cards share the exact same VRAM capacity (24 GB), meaning they can run the exact same parameter counts and quantization levels.

The deciding factor is memory bandwidth: The NVIDIA RTX 3090 Ti leads with 1008 GB/s vs 936 GB/s (8.0% faster memory), giving it a direct advantage in token generation throughput.

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