NVIDIA RTX 5070 Ti vs NVIDIA RTX 5080
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 5080 (16 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: 33 popular models
- Power Draw (TDP): 300W
- Largest recommended (Q4): 20B–22B
NVIDIA · Blackwell
16 GB VRAM
NVIDIA RTX 5080
- Memory Bandwidth: 960 GB/s (GDDR7 256-bit)
- Fits fully in VRAM: 33 popular models
- Power Draw (TDP): 400W
- Largest recommended (Q4): 20B–22B
The AI Local Check Verdict: Which GPU should you buy for AI?
Both graphics cards share the exact same VRAM capacity (16 GB), meaning they can run the exact same parameter counts and quantization levels.
The deciding factor is memory bandwidth: The NVIDIA RTX 5080 leads with 960 GB/s vs 896 GB/s (7.0% faster memory), resulting in noticeably faster inference.
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