Home / Models / Phi-3.5 Mini Instruct / NVIDIA RTX 2080 8 GB

Calculated memory fit · not a benchmark

Can Phi-3.5 Mini Instruct run on NVIDIA RTX 2080 8 GB?

Yes. Calculated memory fit: Phi-3.5 Mini Instruct can run entirely in this GPU’s usable VRAM at one or more supported quantizations.

Can it run?

Can it run?: Yes, full GPU fit (calculated estimate).
Full GPU fit?: Yes
Model: Phi-3.5 Mini Instruct · 3.8B
GPU: NVIDIA RTX 2080 8 GB · 8 GB advertised

Memory calculation

Breakdown for Q4 at 8K context, batch size 1. Calculator v1.0.0.

Model weights	2.2 GB
KV cache	3.0 GB
Runtime reserve	0.6 GB
Safety margin	0.3 GB
Required (estimated)	6.2 GB
GPU usable VRAM	7.2 GB

Result: FITS IN VRAM

Quantization table

Quantization	2K	4K	8K	16K	32K	64K	128K
BF16	Offload	Offload	Offload	Offload	Offload	Offload	Offload
FP16	Offload	Offload	Offload	Offload	Offload	Offload	Offload
Q3	Fits	Fits	Fits	Limited context	Limited context	Limited context	Limited context
Q4	Fits	Fits	Fits	Limited context	Limited context	Limited context	Limited context
Q5	Fits	Fits	Fits	Limited context	Limited context	Limited context	Limited context
Q6	Fits	Fits	Fits	Limited context	Limited context	Limited context	Limited context
Q8	Fits	Fits	Limited context	Limited context	Limited context	Limited context	Limited context

What fits entirely in VRAM?

Q3 at 2K context
Q3 at 4K context
Q3 at 8K context
Q4 at 2K context
Q4 at 4K context
Q4 at 8K context
Q5 at 2K context
Q5 at 4K context
Q5 at 8K context
Q6 at 2K context
Q6 at 4K context
Q6 at 8K context

What requires RAM offload?

Offload is shown only when the model does not fully fit in usable VRAM but stays within the modeled offload allowance.

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.

Check price on Amazon

GIGABYTE

GIGABYTE GeForce RTX 2080 WINDFORCE 8G NVIDIA 8 GB GDDR6

8 GB · Amazon EXACT

$254.97

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MSI

MSI GAMING GeForce RTX 2080 X TRIO

8 GB · Amazon EXACT

$384.17

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GIGABYTE

GIGABYTE GAMING GeForce RTX 2080 OC 8G

8 GB · Amazon EXACT

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ASUS

ASUS DUAL-RTX2080-O8G NVIDIA GeForce RTX 2080 8 GB GDDR6

8 GB · Amazon unmatched

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ASUS

ASUS ROG-STRIX-RTX2080-O8G-GAMING NVIDIA GeForce RTX 2080 8 GB GDDR6

8 GB · Amazon unmatched

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GIGABYTE

GIGABYTE AORUS XTREME AORUS GeForce RTX 2080 XTREME 8G NVIDIA 8 GB GDDR6

8 GB · Amazon unmatched

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MSI

MSI DUKE GeForce RTX 2080 8G OC

8 GB · Amazon unmatched

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MSI

MSI AERO GeForce RTX 2080 8G

8 GB · Amazon unmatched

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ASUS

ASUS TURBO-RTX2080-8G NVIDIA GeForce RTX 2080 8 GB GDDR6

8 GB · Amazon unmatched

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GIGABYTE

GIGABYTE GeForce RTX 2080 TURBO 8GB GDDR6 NVIDIA

8 GB · Amazon unmatched

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GIGABYTE

GIGABYTE GV-N2080TURBO-8GC NVIDIA GeForce RTX 2080 8 GB GDDR6

8 GB · Amazon unmatched

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MSI

MSI VENTUS GeForce RTX 2080 8G OC

8 GB · Amazon unmatched

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GIGABYTE

GIGABYTE AORUS GV-N2080AORUS-8GC NVIDIA GeForce RTX 2080 8 GB GDDR6

8 GB · Amazon unmatched

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ASUS

ASUS ROG-STRIX RTX2080-8G-GAMING NVIDIA GeForce RTX 2080 8 GB GDDR6

8 GB · Amazon unmatched

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Sources

Model: official config microsoft/Phi-3.5-mini-instruct (main). GPU/product specs: Icecat. Compatibility: RigForAI calculator v1.0.0 estimated VRAM · Q8 at 8K: FITS_WITH_LIMITED_CONTEXT. Amazon: affiliate commerce match, not a spec source.