GPU HEAD-TO-HEAD

NVIDIA RTX 5070 Ti vs NVIDIA RTX 4070 Laptop

Which graphics card is better for running local language models? Here is how the NVIDIA RTX 5070 Ti (16 GB) compares against the NVIDIA RTX 4070 Laptop (8 GB) in real memory headroom, supported model architectures, and generation speed.

NVIDIA · Blackwell 16 GB VRAM

NVIDIA RTX 5070 Ti

  • Memory Bandwidth: 896 GB/s (GDDR7 256-bit)
  • Fits fully in VRAM: 31 popular models
  • Power Draw (TDP): 300W
  • Largest recommended (Q4): 20B–22B
View all NVIDIA RTX 5070 Ti models →
NVIDIA · Mobile 8 GB VRAM

NVIDIA RTX 4070 Laptop

  • Memory Bandwidth: 256 GB/s (GDDR6)
  • Fits fully in VRAM: 25 popular models
  • Power Draw (TDP): 150W
  • Largest recommended (Q4): 8B
View all NVIDIA RTX 4070 Laptop models →

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

The NVIDIA RTX 5070 Ti is the clear winner for local AI. It provides both 8 GB more VRAM and higher memory bandwidth (896 GB/s vs 256 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 NVIDIA RTX 5070 Ti, but NOT on NVIDIA RTX 4070 Laptop

These models run entirely in GPU VRAM on the NVIDIA RTX 5070 Ti, but require slow system RAM offload on the NVIDIA RTX 4070 Laptop:

Model Size Downloads NVIDIA RTX 5070 Ti NVIDIA RTX 4070 Laptop
unsloth/Qwen3-Coder-30B-A3B-Instruct-GGUF 30.53B 12,866,779 Fits in VRAM Offload (Slow)
unsloth/gpt-oss-20b-GGUF 20.91B 544,532 Fits in VRAM Offload (Slow)
unsloth/Qwen-AgentWorld-35B-A3B-GGUF 34.66B 435,428 Fits in VRAM Offload (Slow)
bartowski/Kwaipilot_KAT-Coder-V2.5-Dev-GGUF 34.66B 397,259 Fits in VRAM Offload (Slow)
MaziyarPanahi/Qwen3-30B-A3B-GGUF 30.53B 259,143 Fits in VRAM Offload (Slow)
MaziyarPanahi/Qwen3-32B-GGUF 32.76B 259,026 Fits in VRAM Offload (Slow)

Other Popular GPU Comparisons

RTX 3060 12GB vs RTX 4060 8GB Compare VRAM & Models → RTX 4060 Ti 16GB vs RTX 4070 12GB Compare VRAM & Models → RTX 3090 24GB vs RTX 4090 24GB Compare VRAM & Models → RTX 4070 Super vs RTX 4070 Ti Super Compare VRAM & Models → RTX 5090 32GB vs RTX 4090 24GB Compare VRAM & Models → RTX 4080 Super 16GB vs RTX 4090 24GB Compare VRAM & Models → RTX 3060 12GB vs RTX 4060 Ti 16GB Compare VRAM & Models → AMD RX 7900 XTX vs NVIDIA RTX 4090 Compare VRAM & Models →