Home / Models / Llama 3 8B Instruct / NVIDIA RTX 5080 16 GB
Can Llama 3 8B Instruct run on NVIDIA RTX 5080 16 GB?
Yes. Calculated memory fit: Llama 3 8B 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
- Llama 3 8B Instruct · 8.0B
- GPU
- NVIDIA RTX 5080 16 GB · 16 GB advertised
Memory calculation
Breakdown for Q4 at 8K context, batch size 1. Calculator v1.0.0.
| Model weights | 4.7 GB |
|---|---|
| KV cache | 1.0 GB |
| Runtime reserve | 0.7 GB |
| Safety margin | 0.4 GB |
| Required (estimated) | 6.8 GB |
| GPU usable VRAM | 14.4 GB |
Result: FITS IN VRAM
Quantization table
| Quantization | 2K | 4K | 8K |
|---|---|---|---|
| BF16 | Offload | Offload | Offload |
| FP16 | Offload | Offload | Offload |
| Q3 | Fits | Fits | Fits |
| Q4 | Fits | Fits | Fits |
| Q5 | Fits | Fits | Fits |
| Q6 | Fits | Fits | Fits |
| Q8 | Fits | Fits | Fits |
What fits entirely in VRAM?
- Q3 at 2K context
- Q3 at 4K context
- Q3 at 8K context
- Q4 at 2K context
- Q4 at 4K context
- Q4 at 8K context
- Q5 at 2K context
- Q5 at 4K context
- Q5 at 8K context
- Q6 at 2K context
- Q6 at 4K context
- Q6 at 8K context
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.
GIGABYTE GeForce RTX 5080 WINDFORCE OC SFF 16G Graphics Card
16 GB · Amazon EXACT
$1497.00
Check price on Amazon
GIGABYTE GeForce RTX 5080 GAMING OC 16G Graphics Card
16 GB · Amazon EXACT
$1599.00
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MSI GAMING GEFORCE RTX 5080 16G TRIO OC graphics card NVIDIA 16 GB GDDR7
16 GB · Amazon EXACT
$1599.99
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ASUS Prime -RTX5080-O16G NVIDIA GeForce RTX 5080 16 GB GDDR7
16 GB · Amazon EXACT
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ASUS ROG Astral - -RTX5080-O16G-GAMING NVIDIA GeForce RTX 5080 16 GB GDDR7
16 GB · Amazon EXACT
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ASUS TUF Gaming TUF-RTX5080-O16G-GAMING NVIDIA GeForce RTX 5080 16 GB GDDR7
16 GB · Amazon EXACT
Check price on Amazon
Sources
Model: official config meta-llama/Meta-Llama-3-8B-Instruct (official-fallback-config). GPU/product specs: Icecat. Compatibility: RigForAI calculator v1.0.0 estimated VRAM · Q8 at 8K: FITS_IN_VRAM. Amazon: affiliate commerce match, not a spec source.