Home / Models / Llama 3.1 70B Instruct / NVIDIA RTX 4080 16 GB
Can Llama 3.1 70B Instruct run on NVIDIA RTX 4080 16 GB?
Can it run? Yes, with CPU/RAM offload. Full GPU fit? No.
Can it run?
- Can it run?
- Yes, with CPU/RAM offload. This is not equivalent to full-GPU inference.
- Full GPU fit?
- No
- Model
- Llama 3.1 70B Instruct · 71B
- GPU
- NVIDIA RTX 4080 16 GB · 16 GB advertised
Memory calculation
Breakdown for Q4 at 8K context, batch size 1. Calculator v1.0.0.
| Model weights | 41.4 GB |
|---|---|
| KV cache | 2.5 GB |
| Runtime reserve | 2.6 GB |
| Safety margin | 1.5 GB |
| Required (estimated) | 48.0 GB |
| GPU usable VRAM | 14.4 GB |
Result: DOES NOT FIT
Quantization table
| Quantization | 2K | 4K | 8K | 16K | 32K | 64K | 128K |
|---|---|---|---|---|---|---|---|
| BF16 | No | No | No | No | No | No | No |
| FP16 | No | No | No | No | No | No | No |
| Q3 | Offload | Offload | Offload | Offload | Offload | Offload | Offload |
| Q4 | No | No | No | No | No | No | No |
| Q5 | No | No | No | No | No | No | No |
| Q6 | No | No | No | No | No | No | No |
| Q8 | No | No | No | No | No | No | No |
What fits entirely in VRAM?
No calculated full-VRAM fit at the evaluated quantizations and context lengths.
What requires RAM offload?
Weights may run with CPU/RAM offload. That is not equivalent to full-GPU inference. RigForAI does not estimate tokens/sec in this release.
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.

MSI VENTUS RTX 4080 16GB 3X OC NVIDIA GeForce RTX 4080 GDDR6X
16 GB · Amazon EXACT
$1750.00
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GIGABYTE GAMING GeForce RTX 4080 16GB OC NVIDIA GDDR6X
16 GB · Amazon EXACT
$1799.00
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MSI GAMING GeForce RTX 4080 16GB X TRIO NVIDIA GDDR6X
16 GB · Amazon EXACT
$1689.00
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ASUS ROG -STRIX-RTX4080-O16G-GAMING NVIDIA GeForce RTX 4080 16 GB GDDR6X
16 GB · Amazon EXACT
$1699.95
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GIGABYTE EAGLE GeForce RTX 4080 16GB OC NVIDIA GDDR6X
16 GB · Amazon EXACT
$859.99
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GIGABYTE AERO GeForce RTX 4080 16GB OC NVIDIA GDDR6X
16 GB · Amazon EXACT
$1799.00
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ASUS ROG -STRIX-RTX4080-O16G-WHITE NVIDIA GeForce RTX 4080 16 GB GDDR6X
16 GB · Amazon EXACT
$1998.97
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GIGABYTE EAGLE GV-N4080EAGLE-16GD graphics card NVIDIA GeForce RTX 4080 16 GB GDDR6X
16 GB · Amazon EXACT
$1699.00
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GIGABYTE AORUS GeForce RTX 4080 MASTER NVIDIA 16 GB GDDR6X
16 GB · Amazon EXACT
$1499.97
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GIGABYTE AORUS XTREME AORUS GeForce RTX 4080 16GB XTREME WATERFORCE NVIDIA GDDR6X
16 GB · Amazon EXACT
Check price on Amazon
ASUS TUF Gaming TUF-RTX4080-O16G-GAMING NVIDIA GeForce RTX 4080 16 GB GDDR6X
16 GB · Amazon unmatched

ASUS TUF Gaming TUF-RTX4080-16G-GAMING NVIDIA GeForce RTX 4080 16 GB GDDR6X
16 GB · Amazon unmatched
Sources
Model: official config meta-llama/Llama-3.1-70B-Instruct (official-fallback-config). GPU/product specs: Icecat. Compatibility: RigForAI calculator v1.0.0 estimated VRAM · Q8 at 8K: DOES_NOT_FIT. Amazon: affiliate commerce match, not a spec source.
