estimate
Can I run Qwen2.5 72B on an RTX 5080?
No: needs ~47.1 GB, this card has ~15.4 GB usable (estimate)
Can I run Qwen2.5 72B on an RTX 5080? No: needs ~47.1 GB, this card has ~15.4 GB usable (estimate). About 47.1 GB at Q4_K_M (estimate).
Updated . The later of the hardware price date and the formula date.
| Quant | Context | Weights | KV | Overhead | Total | Usable | Fit | Est. tok/s |
|---|---|---|---|---|---|---|---|---|
| Q4 Q4_K_M | 8,192 tokens | 43.6 GB estimate | 2.7 GB estimate | 0.8 GB estimate | 47.1 GB estimate | 15.4 GB estimate | no | — |
| Q5 Q5 (~0.71 bytes/param) | 8,192 tokens | 51.6 GB estimate | 2.7 GB estimate | 0.8 GB estimate | 55.1 GB estimate | 15.4 GB estimate | no | — |
| Q8 Q8 | 8,192 tokens | 77.8 GB estimate | 2.7 GB estimate | 0.8 GB estimate | 81.3 GB estimate | 15.4 GB estimate | no | — |
| FP16 FP16 | 8,192 tokens | 145.4 GB estimate | 2.7 GB estimate | 0.8 GB estimate | 148.9 GB estimate | 15.4 GB estimate | no | — |
| Q4, longer context | 32,768 tokens | 43.6 GB estimate | 10.7 GB estimate | 0.8 GB estimate | 55.2 GB estimate | 15.4 GB estimate | no | — |
Formula estimate, not a benchmark. Method →
Cheapest catalog option that fits at Q4
Mac mini M4 Pro 64GB, catalog price, €1,890, dated 2026-10-16. No buy link.
This hardware
$1,468€1,311
new (lowest in-stock EU)
price as of 17 Oct 2026
GPU PRIXLowest in-stock board in the table on 17 Oct 2026: €1,311, ASUS Prime GeForce RTX 5080, in stock. The same page's header current low was €1,328, last updated Oct 17, 2026. 16 GB GDDR7 and 360 W total graphics power are on NVIDIA's RTX 5080 spec page (https://www.nvidia.com/en-us/geforce/graphics-cards/50-series/rtx-5080/). 960 GB/sec is the RTX 5080 column on NVIDIA's GeForce compare page (https://www.nvidia.com/en-us/geforce/graphics-cards/compare/). The product spec table that was fetched did not print a GB/s row.
Embed this
Qwen2.5 72B on RTX 5080
[](https://localllmrig.com/can-i-run/qwen2.5-72b/rtx-5080?utm_source=badge)
Questions
- Can I run Qwen2.5 72B on an RTX 5080?
- No: needs ~47.1 GB, this card has ~15.4 GB usable (estimate).
- How much memory does Qwen2.5 72B need at Q4?
- About 47.1 GB at 8,192 tokens (estimate): 43.6 GB weights, 2.7 GB KV cache, 0.8 GB overhead.
- How fast is Qwen2.5 72B on RTX 5080 (estimate)?
- No tokens-per-second estimate. The Q4 fit is not full and not offload, so this page leaves speed blank.