Can I Run Poolside Laguna XS 2.1 on NVIDIA GeForce RTX 5090?

Autor: Jakub Rusinowski · Ostatnia aktualizacja: 15 sierpnia 2026

Yes, comfortably — you'll have ~12.1 GB of headroom running Laguna XS 2.1 33B-A3B at Q4_K_M (19.923750000000002 GB, ~247 tok/s (est.)) with room for up to 32K context.

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NVIDIA GeForce RTX 5090 32GB
32 GB VRAM · 575 W board power
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NVIDIA GeForce RTX 5090 Specs

VRAM32 GB
Memory Bandwidth1792 GB/s

Laguna XS 2.1 33B-A3B on the NVIDIA GeForce RTX 5090: VRAM by quantization

QuantVRAM neededFits 32 GB?Max context
F1667.7 GB✗ No
Q8_036.8 GB✗ No
Q6_K28.8 GB✓ Yes16K
Q5_K_M25.1 GB✓ Yes32K
Q4_K_M21.6 GB✓ Yes32K
Q3_K_M15.8 GB✓ Yes64K
Q2_K12.6 GB✓ Yes64K

VRAM needed assumes a 4K-token context with an f16 KV cache; “Max context” is the largest window that still fits in 32 GB. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.

Poolside Laguna XS 2.1 Sizes That Fit the NVIDIA GeForce RTX 5090

Laguna XS 2.1 33B-A3BQ4_K_M · 19.923750000000002 GB · ~247 tok/s (est.)
Buy vs. rent Poolside Laguna XS 2.1
Buy the GPU
~$1,999
NVIDIA GeForce RTX 5090 · MSRP
Rent by the hour
from $0.34/hr
RTX 4090 (24 GB) class

At 2 hrs/day, buying (~$1,999) beats renting at $0.34/hr after about 8.2 years.

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RunPod $0.34/hr
Rent on RunPod →
Vast.ai $0.35/hr · typical low · varies
Rent on Vast.ai →

Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.

FAQ

Does the NVIDIA GeForce RTX 5090 have enough VRAM for Poolside Laguna XS 2.1?

Yes, comfortably — you'll have ~12.1 GB of headroom running Laguna XS 2.1 33B-A3B at Q4_K_M (19.923750000000002 GB, ~247 tok/s (est.)) with room for up to 32K context.

Which quantization of Poolside Laguna XS 2.1 should I use on the NVIDIA GeForce RTX 5090?

Laguna XS 2.1 33B-A3B at Q4_K_M quantization (19.923750000000002 GB), estimated ~247 tokens/sec, up to 32K context.

Poolside Laguna XS 2.1 on Other GPUs

Popular Models on the NVIDIA GeForce RTX 5090

VRAM Tier

Troubleshooting

Buying Guide

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