Home / Models / Gemma 2 27B Instruct / NVIDIA RTX A4500 20 GB

Calculated memory fit · not a benchmark

Can Gemma 2 27B Instruct run on NVIDIA RTX A4500 20 GB?

Yes. Calculated memory fit: Gemma 2 27B 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
Gemma 2 27B Instruct · 27B
GPU
NVIDIA RTX A4500 20 GB · 20 GB advertised

Memory calculation

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

Model weights16.0 GB
KV cache2.9 GB
Runtime reserve1.3 GB
Safety margin0.7 GB
Required (estimated)20.9 GB
GPU usable VRAM18.0 GB

Result: CPU RAM OFFLOAD REQUIRED

Quantization table

Quantization2K4K8K
BF16NoNoNo
FP16NoNoNo
Q3FitsFitsFits
Q4OffloadOffloadOffload
Q5OffloadOffloadOffload
Q6OffloadOffloadOffload
Q8OffloadOffloadOffload

What fits entirely in VRAM?

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

Lenovo

Lenovo NVIDIA RTX A4500 20 GB GDDR6

20 GB · Amazon unmatched

Check availability

Sources

Model: official config google/gemma-2-27b-it (official-fallback-config). GPU/product specs: Icecat. Compatibility: RigForAI calculator v1.0.0 estimated VRAM · Q8 at 8K: CPU_RAM_OFFLOAD_REQUIRED. Amazon: affiliate commerce match, not a spec source.