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Compatibility Report

Phi-3 Medium 14B Instruct on NVIDIA RTX 4070 Laptop (80-115W)

RTX 4070 Laptop (80-115W) runs Phi-3 Medium 14B Instruct at Q3_K_M — 14 tok/s. Usable on 8 GB VRAM — see full quantization options below.

Model Size

14B

Device VRAM

8 GB

Bandwidth

256 GB/s

Quantization

Q3_K_M

Benchmarks

Performance by Quantization

OwnRig currently has one published compatibility entry for Phi-3 Medium 14B Instruct on NVIDIA RTX 4070 Laptop (80-115W) at Q3_K_M. This is the best supported pairing we can stand behind today.

QuantizationSpeedTTFTFits in VRAMRatingConfidence
Q3_K_M14 tok/s457ms✓ YesAcceptableestimated

Notes

Q3_K_M

Sustained post-thermal-throttle performance. TDP-capped laptop variant.

About Phi-3 Medium 14B Instruct

Phi-3 Medium 14B Instruct (14B) is a chat, coding, reasoning, multi-purpose model. 14B model with capable reasoning and coding performance. Fits comfortably on 16 GB GPUs at Q4 and excels at structured output tasks. MIT license makes it attractive for commercial use.

View all Phi-3 Medium 14B Instruct hardware options →

About NVIDIA RTX 4070 Laptop (80-115W)

NVIDIA RTX 4070 Laptop (80-115W) has 8 GB at 256 GB/s. Street price: $0.

See all models NVIDIA RTX 4070 Laptop (80-115W) can run →

Estimate method: Community laptop benchmarks and thermal throttle reports. Reference hardware source: reddit.com (2026-03-14)

Performance varies by driver version, inference engine, quantization method, context length, and system configuration. Figures shown are estimates based on community benchmarks and may not reflect your exact setup. Product names are trademarks of their respective owners. OwnRig is independent and not affiliated with any hardware or AI model provider.