Home / Models / Phi-3 Medium 128K Instruct / NVIDIA GTX 1660 6 GB
Can Phi-3 Medium 128K Instruct run on NVIDIA GTX 1660 6 GB?
Can it run? Yes, with CPU/RAM offload. Full GPU fit? No.
Can it run?
- Can it run?
- Yes, with CPU/RAM offload. This is not equivalent to full-GPU inference.
- Full GPU fit?
- No
- Model
- Phi-3 Medium 128K Instruct · 14B
- GPU
- NVIDIA GTX 1660 6 GB · 6 GB advertised
Memory calculation
Breakdown for Q4 at 8K context, batch size 1. Calculator v1.0.0.
| Model weights | 8.2 GB |
|---|---|
| KV cache | 1.6 GB |
| Runtime reserve | 0.9 GB |
| Safety margin | 0.5 GB |
| Required (estimated) | 11.2 GB |
| GPU usable VRAM | 5.4 GB |
Result: CPU RAM OFFLOAD REQUIRED
Quantization table
| Quantization | 2K | 4K | 8K | 16K | 32K | 64K | 128K |
|---|---|---|---|---|---|---|---|
| BF16 | No | No | No | No | No | No | No |
| FP16 | No | No | No | No | No | No | No |
| Q3 | Offload | Offload | Offload | Offload | Offload | Offload | Offload |
| Q4 | Offload | Offload | Offload | Offload | Offload | Offload | Offload |
| Q5 | Offload | Offload | Offload | Offload | Offload | Offload | Offload |
| Q6 | Offload | Offload | Offload | Offload | Offload | Offload | Offload |
| Q8 | No | No | No | No | No | No | No |
What fits entirely in VRAM?
No calculated full-VRAM fit at the evaluated quantizations and context lengths.
What requires RAM offload?
Weights may run with CPU/RAM offload. That is not equivalent to full-GPU inference. RigForAI does not estimate tokens/sec in this release.
Available graphics cards
These SKUs use this GPU chip. Amazon CTAs appear only for EXACT/HIGH matches. Absence of a price does not change the compatibility result above.

GIGABYTE GV-N1660OC-6GD graphics card NVIDIA GeForce GTX 1660 6 GB GDDR5
6 GB · Amazon EXACT
$310.99
Check price on Amazon
MSI V379-013R graphics card NVIDIA GeForce GTX 1660 6 GB GDDR5
6 GB · Amazon unmatched

ASUS Phoenix PH-GTX1660-O6G NVIDIA GeForce GTX 1660 6 GB GDDR5
6 GB · Amazon unmatched

MSI V379-001R graphics card NVIDIA GeForce GTX 1660 6 GB GDDR5
6 GB · Amazon unmatched

ASUS TUF-GTX1660-O6G-GAMING NVIDIA GeForce GTX 1660 6 GB GDDR5
6 GB · Amazon unmatched

ASUS Dual -GTX1660-O6G EVO NVIDIA GeForce GTX 1660 6 GB GDDR5
6 GB · Amazon unmatched

ASUS Phoenix PH-GTX1660-6G NVIDIA GeForce GTX 1660 6 GB GDDR5
6 GB · Amazon unmatched

ASUS TUF Gaming TUF3-GTX1660-A6G-GAMING NVIDIA GeForce GTX 1660 6 GB GDDR5
6 GB · Amazon unmatched

MSI VENTUS GTX 1660 XS 6G OCV1 graphics card NVIDIA GeForce GTX 1660 6 GB GDDR5
6 GB · Amazon unmatched

ASUS Dual GTX1660-6G-EVO NVIDIA GeForce GTX 1660 6 GB GDDR5
6 GB · Amazon unmatched

ASUS TUF Gaming TUF3-GTX1660-O6G-GAMING NVIDIA GeForce GTX 1660 6 GB GDDR5
6 GB · Amazon unmatched
Sources
Model: official config microsoft/Phi-3-medium-128k-instruct (main). GPU/product specs: Icecat. Compatibility: RigForAI calculator v1.0.0 estimated VRAM · Q8 at 8K: DOES_NOT_FIT. Amazon: affiliate commerce match, not a spec source.

