How much memory does DeepSeek-R1-Distill 70B need at Q4?

About 45.8 GB at 8,192 tokens (estimate): 42.4 GB weights, 2.7 GB KV cache, 0.8 GB overhead.

How fast is DeepSeek-R1-Distill 70B on RTX 5080 (estimate)?

No tokens-per-second estimate. The Q4 fit is not full and not offload, so this page leaves speed blank.

estimate

Can I run DeepSeek-R1-Distill 70B on an RTX 5080?

No: needs ~45.8 GB, this card has ~15.4 GB usable (estimate)

Can I run DeepSeek-R1-Distill 70B on an RTX 5080? No: needs ~45.8 GB, this card has ~15.4 GB usable (estimate). About 45.8 GB at Q4_K_M (estimate).

Updated 2026-10-17. The later of the hardware price date and the formula date.

DeepSeek-R1-Distill 70B on RTX 5080, formula estimate
Quant	Context	Weights	KV	Overhead	Total	Usable	Fit	Est. tok/s
Q4 Q4_K_M	8,192 tokens	42.4 GB estimate	2.7 GB estimate	0.8 GB estimate	45.8 GB estimate	15.4 GB estimate	no	—
Q5 Q5 (~0.71 bytes/param)	8,192 tokens	50.1 GB estimate	2.7 GB estimate	0.8 GB estimate	53.6 GB estimate	15.4 GB estimate	no	—
Q8 Q8	8,192 tokens	75.5 GB estimate	2.7 GB estimate	0.8 GB estimate	79.0 GB estimate	15.4 GB estimate	no	—
FP16 FP16	8,192 tokens	141.2 GB estimate	2.7 GB estimate	0.8 GB estimate	144.7 GB estimate	15.4 GB estimate	no	—
Q4, longer context	32,768 tokens	42.4 GB estimate	10.7 GB estimate	0.8 GB estimate	53.9 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 PRIX

Lowest 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.

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DeepSeek-R1-Distill 70B on RTX 5080

[![DeepSeek-R1-Distill 70B Q4 on RTX 5080: ✗ · needs 45.8 GB (estimate)](https://localllmrig.com/badge/deepseek-r1-distill-70b/rtx-5080.svg)](https://localllmrig.com/can-i-run/deepseek-r1-distill-70b/rtx-5080?utm_source=badge)

Questions

Can I run DeepSeek-R1-Distill 70B on an RTX 5080?: No: needs ~45.8 GB, this card has ~15.4 GB usable (estimate).
How much memory does DeepSeek-R1-Distill 70B need at Q4?: About 45.8 GB at 8,192 tokens (estimate): 42.4 GB weights, 2.7 GB KV cache, 0.8 GB overhead.
How fast is DeepSeek-R1-Distill 70B on RTX 5080 (estimate)?: No tokens-per-second estimate. The Q4 fit is not full and not offload, so this page leaves speed blank.