Card × model benchmark
Ministral 3 3B on RTX 4070 Ti Q4_K_M
SmoothOn an RTX 4070 Ti (12 GB), Ministral 3 3B in Q4_K_M generates 173 tokens/s and reads the prompt at 11 751 tokens/s, using 2,8 Go of video memory.
Median of 1 run · latest on 25/09/26
173 tok/s
Generation
11 751 tok/s
Prompt processing
2,8 Go
VRAM used (peak)
122 W
Average power
1,42 tok/s/W
Efficiency
0,05 €/M tok
Electricity / M tokens · 0,25 €/kWh
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What about a longer context?
An estimate, not a measurement: the KV cache grows with context, takes VRAM and slows generation down.
| Context | KV cache | Estimated VRAM | Fits in 12 GB? | Estimated speed |
|---|---|---|---|---|
| 4 096 | 0,4 Go | 3,1 Go | yes | ≈ 149 tok/s |
| 8 192 | 0,8 Go | 3,5 Go | yes | ≈ 128 tok/s |
| 16 384 | 1,6 Go | 4,3 Go | yes | ≈ 100 tok/s |
| 32 768 | 3,3 Go | 5,9 Go | yes | ≈ 69,7 tok/s |
| 65 536 | 6,5 Go | 9,2 Go | yes | ≈ 43,3 tok/s |
| 131 072 | 13,0 Go | 15,7 Go | no | — |
KV cache per token = 2 × 26 layers × 8 KV heads × 128 × 2 bytes (f16). Estimated VRAM = measured VRAM + added KV cache. Speed ≈ measured speed × weights ÷ (weights + added KV cache) — attention compute is not modelled, the real drop is slightly larger. Fine-tune it in the “Configurator”
Other models measured on the RTX 4070 Ti
All measurements
| Date | Source | Type | Generation | Prompt | VRAM | Max temp. | Power | llama.cpp |
|---|---|---|---|---|---|---|---|---|
| 25/09/26 | SephiGame | context 32 768ASUS ROG Strix | 73,0 | 1 781 | 6,2 Go | 67 °C | 190 W | llama.cpp 96278e39f |
| 25/09/26 | SephiGame | context 16 384ASUS ROG Strix | 104 | 3 685 | 4,6 Go | 67 °C | 171 W | llama.cpp 96278e39f |
| 25/09/26 | SephiGame | context 8 192ASUS ROG Strix | 129 | 8 180 | 3,8 Go | 65 °C | 153 W | llama.cpp 96278e39f |
| 25/09/26 | SephiGame | standardASUS ROG Strix | 173 | 11 751 | 2,8 Go | 56 °C | 122 W | llama.cpp 96278e39f |
Protocol: llama-bench (llama.cpp), prompt 512 + generation 128 tokens, model fully loaded in VRAM. VRAM used = system peak (includes the OS, ~0.5 to 1 GB more than the model alone). Measure my card