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Can the NVIDIA RTX 4070 Ti Super run Phi-4 14B?

RTX 4070 Ti Super × Phi-4 14B8K context
YesRuns fully on the GPU
Memory at Q6_K14.3 GB of 16 GB
Weights 12.1 GBKV cache 1.7 GBRuntime 0.6 GB
QuantQ6_KExcellent
Memory14.3 GBof 16 GB usable
Speed~33tokens per second
  1. FP16
  2. Q8_0
  3. Q6_K
  4. Q5_K_M
  5. Q4_K_M
  6. Q3_K_M
  7. Q2_K

Yes. The NVIDIA RTX 4070 Ti Super can run Phi-4 14B fully in VRAM at Q6_K (excellent), using about 14.3 GB of the 16 GB available, at roughly 33 tokens/second.

Try other context lengths

Run it with Ollama

With Ollama installed, one command downloads and starts Phi-4 14B:

ollama run phi4:14b

Ollama's default download is Q4_K_M (about 11.2 GB here). You have room for Q6_K, which is excellent: pick that GGUF in LM Studio or from Hugging Face.

Run it in the cloud

No NVIDIA RTX 4070 Ti Super? Run Phi-4 14B in the cloud.

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

Rent a GPU on RunPodRent a GPU on Vast.ai

Memory needed by quantization

At 8,192 tokens of context. The black line marks the 16 GB the NVIDIA RTX 4070 Ti Super can use.

QuantQualityMemoryFits?Speed
FP16Full quality31.7 GBToo big—
Q8_0Near-lossless17.9 GBToo big—
Q6_KExcellent14.3 GBFits~33 tok/s
Q5_K_MVery good12.7 GBFits~39 tok/s
Q4_K_MGood, most popular11.2 GBFits~45 tok/s
Q3_K_MNoticeably degraded9.5 GBFits~56 tok/s
Q2_KHeavily degraded7.8 GBFits~73 tok/s

GPUs that run Phi-4 14B comfortably

Models that run well on the NVIDIA RTX 4070 Ti Super

Frequently asked questions

Can NVIDIA RTX 4070 Ti Super run Phi-4 14B?

Yes. The NVIDIA RTX 4070 Ti Super can run Phi-4 14B fully in VRAM at Q6_K (excellent), using about 14.3 GB of the 16 GB available, at roughly 33 tokens/second.

How much VRAM does Phi-4 14B need?

About 11.2 GB at Q4_K_M with 8,192 tokens of context, and about 31.7 GB at full FP16 precision.

How fast is Phi-4 14B on the NVIDIA RTX 4070 Ti Super?

Roughly 33 tokens per second at Q6_K, estimated from the NVIDIA RTX 4070 Ti Super's 672 GB/s memory bandwidth.