Home / Models / Hermes 3 Llama 3.1 8B
Hermes 3 Llama 3.1 8B
8.0B parameters · native context 131,072 · llama
Estimated VRAM requirement
Weight memory uses parameter count × bits per weight, plus a quantization overhead factor. KV cache uses standard GQA formulas. Values are calculated estimates, not measured allocations.
| Quantization | Estimated weights | 2K total | 4K total | 8K total | 16K total | 32K total | 64K total | 128K total |
|---|---|---|---|---|---|---|---|---|
| FP16 | 15.3 GB | 17.5 GB | 17.7 GB | 18.2 GB | 19.2 GB | 21.2 GB | 25.2 GB | 33.2 GB |
| Q8 | 8.6 GB | 10.3 GB | 10.5 GB | 11.0 GB | 12.0 GB | 14.0 GB | 18.0 GB | 26.0 GB |
| Q6 | 6.7 GB | 8.2 GB | 8.5 GB | 9.0 GB | 10.0 GB | 12.0 GB | 16.0 GB | 24.0 GB |
| Q5 | 5.7 GB | 7.1 GB | 7.4 GB | 7.9 GB | 8.9 GB | 10.9 GB | 14.9 GB | 22.9 GB |
| Q4 | 4.7 GB | 6.1 GB | 6.3 GB | 6.8 GB | 7.8 GB | 9.8 GB | 13.8 GB | 21.8 GB |
| Q3 | 3.8 GB | 5.1 GB | 5.3 GB | 5.8 GB | 6.8 GB | 8.8 GB | 12.8 GB | 20.8 GB |
Find a GPU for this model
Run at the quantization and context selected below. Defaults are Q4 and 8K when you do not change the controls. Results are full-VRAM fits only — not a speed ranking.
- Run at
- Q4 · 8K context
- Required VRAM
- 6.8 GB
Lowest-cost full-VRAM option
Sorted by lowest current Amazon price among GPUs that fit entirely in VRAM. This is not a performance ranking.
NVIDIA Quadro P4000 8 GB
- GPU VRAM
- 8 GB advertised
- Required VRAM
- 6.8 GB
- Usable GPU VRAM
- 7.2 GB
- VRAM headroom
- 0.4 GB — leftover usable memory after the calculated requirement, not a speed ranking
- Compatible
- Yes — fits entirely in VRAM
- Product SKUs
- 6 mapped · 1 Amazon-matched
- Amazon
- $216.44 current Amazon price
NVIDIA Tesla K40 12 GB
- GPU VRAM
- 12 GB advertised
- Required VRAM
- 6.8 GB
- Usable GPU VRAM
- 10.8 GB
- VRAM headroom
- 4.0 GB — leftover usable memory after the calculated requirement, not a speed ranking
- Compatible
- Yes — fits entirely in VRAM
- Product SKUs
- 2 mapped · 1 Amazon-matched
- Amazon
- $262.48 current Amazon price
NVIDIA RTX 3060 Ti 8 GB
- GPU VRAM
- 8 GB advertised
- Required VRAM
- 6.8 GB
- Usable GPU VRAM
- 7.2 GB
- VRAM headroom
- 0.4 GB — leftover usable memory after the calculated requirement, not a speed ranking
- Compatible
- Yes — fits entirely in VRAM
- Product SKUs
- 32 mapped · 2 Amazon-matched
- Amazon
- $283.22 current Amazon price
More VRAM headroom
Sorted by leftover usable VRAM after the calculated requirement. Headroom is not tokens/sec.
NVIDIA RTX 6000 48 GB
- GPU VRAM
- 48 GB advertised
- Required VRAM
- 6.8 GB
- Usable GPU VRAM
- 43.2 GB
- VRAM headroom
- 36.4 GB — leftover usable memory after the calculated requirement, not a speed ranking
- Compatible
- Yes — fits entirely in VRAM
- Product SKUs
- 1 mapped · 0 Amazon-matched
- Amazon
- Check price on Amazon
NVIDIA RTX 8000 48 GB
- GPU VRAM
- 48 GB advertised
- Required VRAM
- 6.8 GB
- Usable GPU VRAM
- 43.2 GB
- VRAM headroom
- 36.4 GB — leftover usable memory after the calculated requirement, not a speed ranking
- Compatible
- Yes — fits entirely in VRAM
- Product SKUs
- 1 mapped · 0 Amazon-matched
- Amazon
- Check availability
NVIDIA RTX A6000 48 GB
- GPU VRAM
- 48 GB advertised
- Required VRAM
- 6.8 GB
- Usable GPU VRAM
- 43.2 GB
- VRAM headroom
- 36.4 GB — leftover usable memory after the calculated requirement, not a speed ranking
- Compatible
- Yes — fits entirely in VRAM
- Product SKUs
- 2 mapped · 0 Amazon-matched
- Amazon
- Check availability
Other compatible GPUs
AMD Radeon RX 470 8 GB
- GPU VRAM
- 8 GB advertised
- Required VRAM
- 6.8 GB
- Usable GPU VRAM
- 7.2 GB
- VRAM headroom
- 0.4 GB — leftover usable memory after the calculated requirement, not a speed ranking
- Compatible
- Yes — fits entirely in VRAM
- Product SKUs
- 1 mapped · 0 Amazon-matched
- Amazon
- Check availability
AMD Radeon RX 480 8 GB
- GPU VRAM
- 8 GB advertised
- Required VRAM
- 6.8 GB
- Usable GPU VRAM
- 7.2 GB
- VRAM headroom
- 0.4 GB — leftover usable memory after the calculated requirement, not a speed ranking
- Compatible
- Yes — fits entirely in VRAM
- Product SKUs
- 4 mapped · 0 Amazon-matched
- Amazon
- Check availability
AMD Radeon RX 5500 XT 8 GB
- GPU VRAM
- 8 GB advertised
- Required VRAM
- 6.8 GB
- Usable GPU VRAM
- 7.2 GB
- VRAM headroom
- 0.4 GB — leftover usable memory after the calculated requirement, not a speed ranking
- Compatible
- Yes — fits entirely in VRAM
- Product SKUs
- 4 mapped · 0 Amazon-matched
- Amazon
- Check price on Amazon
Compatible GPUs
Status is a calculated memory fit against usable VRAM (advertised × 0.9). Open a GPU to see product SKUs and Amazon listings.
Sources
Model specifications: official repository NousResearch/Hermes-3-Llama-3.1-8B · revision main. Compatibility: RigForAI calculator v1.0.0 (estimated VRAM). GPU products: Icecat. Amazon is a separate affiliate match and is not used as a spec source.