Context Sizing Budgets on 16GB VRAM
Parent: 16 GB VRAM residency budgeting · Published reference · snapshot 2026-09-30
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Source-anchored research for Context Sizing Budgets on 16GB VRAM. Run status: COMPLETED.
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Measurements and reference values
- On an RTX 5080 with 16 GB GDDR7 VRAM, a 14B Q4 model reserves ~7.62 GB for weights, leaving ~8.38 GB for KV cache, which comfortably accommodates 16,384 tokens with standard FP16 KV cache or 32,768 tokens with FP8 KV cache. (high confidence) [source]
- For 7B/8B models at 4-bit precision (~4.5 GB weights), remaining VRAM exceeds 11.5 GB, allowing context windows to expand up to 65,536 tokens without host offloading. (high confidence) [source]
Children
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