RTX 4080 Super 16GB for local AI in the UK
Ranks #13 of 23 for 7-9B models on value (£6 per token/s at £825 used).
Key facts
- Cheapest UK price
- £825 used
- Memory
- 16 GB
- Memory bandwidth
- 736 GB/s
- Largest model it can run
- ~23B parameters at 4-bit (estimate: ~0.6 GB per billion parameters + ~2 GB overhead)
- Shop
- eBay UK (used)
- £825 used: median of 111 UK eBay sold listings, 90 days, checked date unknown (source)
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Speed and value by model size
| Size class | Fits at 4-bit? | Speed | £ per tok/s | Value rank | Reference model |
|---|---|---|---|---|---|
| 7-9B models | Yes | 147.9 words/sec* from 4 tests | £6 | #13 of 23 | Llama 2 7B Q4_0 |
| 12-14B models | Yes | no verified data yet | – | not ranked | Gemma 4 12B Q4_0 |
| 27-35B models | No (needs ~20 GB+) | – | – | – | Qwen 3.6 27B Q4_K_M |
| 70B+ models | No (needs ~42 GB+) | – | – | – | no reference model yet |
Speed is the median single-user decode speed running the like-for-like reference model for that class, in tokens per second (*a token is roughly ¾ of a word, so words/sec is a rough guide). Ranks use the cheapest UK price and need at least 3 test runs; ⚠ = low sample, shown but not ranked. "Fits" means the model fits fully in memory at ~4-bit. How we measure.
Other models measured
no verified data yet for other models.
Similar price alternatives
- RX 7900 XTX 24GB £746 used · 24 GB · 141.2 tok/s on 7-9B · #11 of 23 for 7-9B
- RTX 4070 Ti Super 16GB £784 used · 16 GB · 134.3 tok/s on 7-9B · #15 of 23 for 7-9B
- RTX 5070 Ti 16GB £921 used · 16 GB · 168.2 tok/s on 7-9B · #12 of 23 for 7-9B
- RTX 3090 24GB £971 used · 24 GB · 143.5 tok/s on 7-9B · #17 of 23 for 7-9B
See the RTX 4080 Super 16GB on the leaderboard → · Best under £1,000 · All cards · Beginner's guide · Methodology
Weekly UK value moves, by email
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