GPU HEAD-TO-HEAD

AMD Radeon RX 7800 XT vs NVIDIA RTX 4070

Which graphics card is better for running local language models? Here is how the AMD Radeon RX 7800 XT (16 GB) compares against the NVIDIA RTX 4070 (12 GB) in real memory headroom, supported model architectures, and generation speed.

AMD · RDNA 3 16 GB VRAM

AMD Radeon RX 7800 XT

  • Memory Bandwidth: 624 GB/s (GDDR6 256-bit)
  • Fits fully in VRAM: 35 popular models
  • Power Draw (TDP): 263W
  • Largest recommended (Q4): 20B–22B
View all AMD Radeon RX 7800 XT models →
NVIDIA · Ada Lovelace 12 GB VRAM

NVIDIA RTX 4070

  • Memory Bandwidth: 504 GB/s (GDDR6X 192-bit)
  • Fits fully in VRAM: 34 popular models
  • Power Draw (TDP): 200W
  • Largest recommended (Q4): 14B
View all NVIDIA RTX 4070 models →

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

The AMD Radeon RX 7800 XT is the clear winner for local AI. It provides both 4 GB more VRAM and higher memory bandwidth (624 GB/s vs 504 GB/s).

This allows it to run larger model architectures entirely in video memory while also delivering faster token generation speeds on models of all sizes.

Models that fit on AMD Radeon RX 7800 XT, but NOT on NVIDIA RTX 4070

These models run entirely in GPU VRAM on the AMD Radeon RX 7800 XT, but require slow system RAM offload on the NVIDIA RTX 4070:

Model Size Downloads AMD Radeon RX 7800 XT NVIDIA RTX 4070
MaziyarPanahi/Qwen3-32B-GGUF 32.76B 169,921 Fits in VRAM Offload (Slow)

Other Popular GPU Comparisons

RTX 3060 12GB vs RTX 4060 8GB Compare VRAM & Models → RTX 3060 12GB vs RTX 3060 Ti 8GB Compare VRAM & Models → RTX 3060 12GB vs RTX 4060 Ti 16GB Compare VRAM & Models → RTX 2080 Ti 11GB vs RTX 3060 12GB Compare VRAM & Models → RTX 3080 10GB vs RTX 3060 12GB Compare VRAM & Models → RTX 4060 8GB vs RTX 4060 Ti 8GB Compare VRAM & Models → Intel Arc A770 16GB vs RTX 4060 Ti 16GB Compare VRAM & Models → Intel Arc B580 12GB vs RTX 3060 12GB Compare VRAM & Models → AMD RX 7600 XT 16GB vs RTX 4060 Ti 16GB Compare VRAM & Models → RTX 4060 Ti 16GB vs RTX 4070 12GB Compare VRAM & Models → RTX 4070 Super vs RTX 4070 Ti Super Compare VRAM & Models → RTX 4070 vs RTX 4070 Super 12GB Compare VRAM & Models → RTX 4070 Ti 12GB vs RTX 4070 Ti Super 16GB Compare VRAM & Models → RTX 5070 12GB vs RTX 4070 Super 12GB Compare VRAM & Models → RTX 5070 Ti 16GB vs RTX 4070 Ti Super 16GB Compare VRAM & Models → RTX 4060 Ti 16GB vs RTX 5070 12GB Compare VRAM & Models → AMD RX 7900 XT 20GB vs RTX 4070 Ti Super 16GB Compare VRAM & Models → RTX 3090 24GB vs RTX 4090 24GB Compare VRAM & Models → RTX 3090 24GB vs RTX 4070 Ti Super 16GB Compare VRAM & Models → RTX 3090 24GB vs RTX 5080 16GB Compare VRAM & Models → RTX 4080 Super 16GB vs RTX 4090 24GB Compare VRAM & Models → RTX 5090 32GB vs RTX 4090 24GB Compare VRAM & Models → RTX 5090 32GB vs RTX 3090 24GB Compare VRAM & Models → RTX 3090 Ti 24GB vs RTX 3090 24GB Compare VRAM & Models → AMD RX 7900 XTX vs NVIDIA RTX 4090 Compare VRAM & Models → AMD RX 7900 XTX 24GB vs RTX 3090 24GB Compare VRAM & Models → AMD RX 7900 XTX 24GB vs RX 7900 XT 20GB Compare VRAM & Models → RTX 4080 Laptop 12GB vs RTX 4090 Laptop 16GB Compare VRAM & Models → RTX 4060 Laptop vs RTX 4070 Laptop 8GB Compare VRAM & Models →