Can the NVIDIA RTX 4070 run Phi-3.5 Mini 3.8B?

Yes
QuantFP16Full quality
Memory11.5 GBof 12 GB
Speed~40tokens/s

Yes. The NVIDIA RTX 4070 can run Phi-3.5 Mini 3.8B fully in VRAM at FP16 (full quality), using about 11.5 GB of the 12 GB available, at roughly 40 tokens/second.

Try other context lengths in the calculator →

Memory needed by quantization

At 8,192 tokens of context.

QuantQualityMemoryFits?Speed
FP16Full quality11.5 GBFits~40 tok/s
Q8_0Near-lossless7.9 GBFits~75 tok/s
Q6_KExcellent7 GBFits~97 tok/s
Q5_K_MVery good6.5 GBFits~111 tok/s
Q4_K_MGood, most popular6.1 GBFits~131 tok/s
Q3_K_MNoticeably degraded5.7 GBFits~162 tok/s
Q2_KHeavily degraded5.3 GBFits~211 tok/s

How to run Phi-3.5 Mini 3.8B on the NVIDIA RTX 4070

With Ollama installed, one command downloads and starts it:

ollama run phi3.5:3.8b

Ollama's default download is Q4_K_M (about 6.1 GB here). You have room for FP16, which is full quality: pick that GGUF in LM Studio or from Hugging Face.

GPUs that run Phi-3.5 Mini 3.8B comfortably

Models that run well on the NVIDIA RTX 4070

Run it in the cloud

Don't want to buy hardware? Run Phi-3.5 Mini 3.8B on a rented GPU today.

Rent a cloud GPU by the hour. No upfront cost, cancel any time.