GPU HEAD-TO-HEAD

NVIDIA RTX 5070 vs NVIDIA RTX 4070 Super

Which graphics card is better for running local language models? Here is how the NVIDIA RTX 5070 (12 GB) compares against the NVIDIA RTX 4070 Super (12 GB) in real memory headroom, supported model architectures, and generation speed.

NVIDIA · Blackwell 12 GB VRAM

NVIDIA RTX 5070

  • Memory Bandwidth: 672 GB/s (GDDR7 192-bit)
  • Fits fully in VRAM: 34 popular models
  • Power Draw (TDP): 250W
  • Largest recommended (Q4): 14B
View all NVIDIA RTX 5070 models →
NVIDIA · Ada Lovelace 12 GB VRAM

NVIDIA RTX 4070 Super

  • Memory Bandwidth: 504 GB/s (GDDR6X 192-bit)
  • Fits fully in VRAM: 34 popular models
  • Power Draw (TDP): 220W
  • Largest recommended (Q4): 14B
View all NVIDIA RTX 4070 Super models →

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

Both graphics cards share the exact same VRAM capacity (12 GB), meaning they can run the exact same parameter counts and quantization levels.

The deciding factor is memory bandwidth: The NVIDIA RTX 5070 leads with 672 GB/s vs 504 GB/s (33.0% faster memory), giving it a direct advantage in token generation throughput.

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