Can I Run Poolside Laguna XS 2.1 on AMD Radeon RX 7900 XTX?

Written by Jakub Rusinowski · Last updated August 15, 2026

Yes, comfortably — you'll have ~4.1 GB of headroom running Laguna XS 2.1 33B-A3B at Q4_K_M (19.923750000000002 GB, ~127 tok/s (est.)) with room for up to 8K context.

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AMD Radeon RX 7900 XTX 24GB
Launch MSRP: $999
2026 prices are volatile — check the current listing.
Check price on Amazon

AMD Radeon RX 7900 XTX Specs

VRAM24 GB
Memory Bandwidth960 GB/s

Laguna XS 2.1 33B-A3B on the AMD Radeon RX 7900 XTX: VRAM by quantization

QuantVRAM neededFits 24 GB?Max context
F1667.7 GB✗ No
Q8_036.8 GB✗ No
Q6_K28.8 GB✗ No
Q5_K_M25.1 GB✗ No
Q4_K_M21.6 GB✓ Yes8K
Q3_K_M15.8 GB✓ Yes32K
Q2_K12.6 GB✓ Yes32K

VRAM needed assumes a 4K-token context with an f16 KV cache; “Max context” is the largest window that still fits in 24 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 AMD Radeon RX 7900 XTX

Laguna XS 2.1 33B-A3BQ4_K_M · 19.923750000000002 GB · ~127 tok/s (est.)
Buy vs. rent Poolside Laguna XS 2.1
Buy the GPU
~$999
AMD Radeon RX 7900 XTX · MSRP
Rent by the hour
from $0.34/hr
RTX 4090 (24 GB) class

At 2 hrs/day, buying (~$999) beats renting at $0.34/hr after about 4.1 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

Is the AMD Radeon RX 7900 XTX enough to run Poolside Laguna XS 2.1 locally?

Yes, comfortably — you'll have ~4.1 GB of headroom running Laguna XS 2.1 33B-A3B at Q4_K_M (19.923750000000002 GB, ~127 tok/s (est.)) with room for up to 8K context.

What's the best Poolside Laguna XS 2.1 size for the AMD Radeon RX 7900 XTX?

Laguna XS 2.1 33B-A3B at Q4_K_M quantization (19.923750000000002 GB), estimated ~127 tokens/sec, up to 8K context.

Poolside Laguna XS 2.1 on Other GPUs

Popular Models on the AMD Radeon RX 7900 XTX

VRAM Tier

Troubleshooting

Buying Guide

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