Card × model benchmark
Granite 4.1 3B on RTX 4070 Ti Q4_K_M
SmoothOn an RTX 4070 Ti (12 GB), Granite 4.1 3B in Q4_K_M generates 166 tokens/s and reads the prompt at 10 529 tokens/s, using 2,8 Go of video memory.
Median of 1 run · latest on 25/09/26
166 tok/s
Generation
10 529 tok/s
Prompt processing
2,8 Go
VRAM used (peak)
128 W
Average power
1,29 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 | 0,3 Go | 3,0 Go | yes | ≈ 148 tok/s |
| 8 192 | 0,6 Go | 3,3 Go | yes | ≈ 131 tok/s |
| 16 384 | 1,3 Go | 4,0 Go | yes | ≈ 107 tok/s |
| 32 768 | 2,5 Go | 5,2 Go | yes | ≈ 77,8 tok/s |
| 65 536 | 5,0 Go | 7,7 Go | yes | ≈ 50,5 tok/s |
| 131 072 | 10,0 Go | 12,7 Go | no | — |
KV cache per token = 2 × 40 layers × 8 KV heads × 64 × 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 | 83,1 | 2 771 | 5,4 Go | 68 °C | 189 W | llama.cpp 96278e39f |
| 25/09/26 | SephiGame | context 16 384ASUS ROG Strix | 110 | 4 715 | 4,2 Go | 67 °C | 160 W | llama.cpp 96278e39f |
| 25/09/26 | SephiGame | context 8 192ASUS ROG Strix | 131 | 6 672 | 3,5 Go | 67 °C | 149 W | llama.cpp 96278e39f |
| 25/09/26 | SephiGame | standardASUS ROG Strix | 166 | 10 529 | 2,8 Go | 58 °C | 128 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