Nex-N2-Pro: VRAM needs and speed by GPU
At Q4_K_M, Nex-N2-Pro needs about 244.8 GB of VRAM. We have 1 measured speed results for it.
Ranked #18 among open-weight models by the Artificial Analysis Intelligence Index (provisional), checked 2026-10-22T18:00:53Z. All leading open models.
396.35B parameters (mixture-of-experts, ~17.0B active) · license: apache-2.0 · 262,144-token context · GGUF published 2026-06-10T15:26:21.000Z · GGUF files on Hugging Face
Measured speeds
| Chip | Generation tok/s | Prompt tok/s | Quant | Backend | Test | Source |
|---|---|---|---|---|---|---|
| NVIDIA DGX Spark (GB10) | 18.9 | – | IQ1_M | CUDA | decode per session, llama-server, 1 concurrent request, 1024-token prompt | jvr0x/dgx-spark-bench results details |
Memory needed per quantization
| Quant | File size | Needs (estimate) | Smallest card it fits |
|---|---|---|---|
| IQ1_S | 81.8 GB | 84.8 GB | 96 GB cards |
| IQ1_M | 91.4 GB | 94.4 GB | 96 GB cards |
| IQ2_XXS | 106.3 GB | 109.3 GB | multi-GPU / large unified memory |
| IQ2_XS | 118.5 GB | 121.5 GB | multi-GPU / large unified memory |
| IQ2_S | 120.5 GB | 123.5 GB | multi-GPU / large unified memory |
| IQ2_M | 133.1 GB | 136.1 GB | multi-GPU / large unified memory |
| Q2_K | 139.5 GB | 142.5 GB | multi-GPU / large unified memory |
| Q2_K_L | 140.5 GB | 143.5 GB | multi-GPU / large unified memory |
| IQ3_XXS | 166.1 GB | 169.1 GB | multi-GPU / large unified memory |
| Q3_K_S | 172.9 GB | 175.9 GB | multi-GPU / large unified memory |
| IQ3_XS | 181.4 GB | 184.4 GB | multi-GPU / large unified memory |
| Q3_K_M | 181.5 GB | 184.5 GB | multi-GPU / large unified memory |
| Q3_K_L | 189.5 GB | 192.5 GB | multi-GPU / large unified memory |
| IQ3_M | 189.6 GB | 192.6 GB | multi-GPU / large unified memory |
| Q3_K_XL | 190.4 GB | 193.4 GB | multi-GPU / large unified memory |
| IQ4_XS | 212.2 GB | 215.2 GB | multi-GPU / large unified memory |
| IQ4_NL | 224.5 GB | 227.5 GB | multi-GPU / large unified memory |
| Q4_0 | 225.4 GB | 228.4 GB | multi-GPU / large unified memory |
| Q4_K_S | 232.8 GB | 235.8 GB | multi-GPU / large unified memory |
| Q4_K_M | 241.8 GB | 244.8 GB | multi-GPU / large unified memory |
| Q4_K_L | 242.6 GB | 245.6 GB | multi-GPU / large unified memory |
| Q4_1 | 249.1 GB | 252.1 GB | multi-GPU / large unified memory |
| Q5_K_S | 274.0 GB | 277.0 GB | multi-GPU / large unified memory |
| Q5_K_M | 283.3 GB | 286.3 GB | multi-GPU / large unified memory |
| Q6_K | 342.4 GB | 345.4 GB | multi-GPU / large unified memory |
| Q8_0 | 421.5 GB | 424.5 GB | multi-GPU / large unified memory |
Expected speed on popular hardware
| Hardware | Best quant that fits | Expected tok/s |
|---|---|---|
| NVIDIA RTX 3060 | Does not fit | |
| NVIDIA RTX 4060 Ti | Does not fit | |
| NVIDIA RTX 3090 | Does not fit | |
| NVIDIA RTX 4090 | Does not fit | |
| NVIDIA RTX 5090 | Does not fit | |
| AMD Radeon RX 7900 XTX | Does not fit | |
| Apple M4 Pro (20-core GPU) | Does not fit | |
| Apple M3 Max (40-core GPU) | Does not fit | |
| AMD Ryzen AI Max+ 395 (Radeon 8060S) | IQ1_M | 26.6 estimate |
Too big for your card?
Run Nex-N2-Pro on a rented 24-80 GB GPU by the hour.
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