Can I Run BitNet b1.58 on NVIDIA GeForce RTX 4060?
Written by Jakub Rusinowski · Last updated July 12, 2026
Yes, comfortably — BitNet b1.58 3B at 1.58-bit needs 2.3 GB at 8K context (0.7 GB weights + 1.6 GB KV cache/overhead), leaving ~5.7 GB of the NVIDIA GeForce RTX 4060's 8 GB, at ~152 tok/s (est.).
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NVIDIA GeForce RTX 4060 Specs
| VRAM | 8 GB |
| Memory Bandwidth | 272 GB/s |
BitNet b1.58 3B on the NVIDIA GeForce RTX 4060: VRAM by quantization
| Quant | VRAM needed | Fits 8 GB? | Max context | Whole PC |
|---|---|---|---|---|
| F16 | 8.3 GB | ✗ No | — | — |
| Q8_0 | 5.2 GB | ✓ Yes | — | — |
| Q6_K | 4.4 GB | ✓ Yes | — | — |
| Q5_K_M | 4 GB | ✓ Yes | — | — |
| Q4_K_M | 3.7 GB | ✓ Yes | — | — |
| Q3_K_M | 3.1 GB | ✓ Yes | — | — |
| Q2_K | 2.8 GB | ✓ Yes | — | — |
Assumes an 8K-token context with an f16 KV cache, on an estimated architecture — this model publishes no config we can read. A longer window needs more; a quantized KV cache needs less. “Max context” is the largest window that still fits in 8 GB. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.
No compatible GPU? BitNet b1.58 3B on 8 GB of system RAM, CPU only: runs.
BitNet b1.58 Sizes That Fit the NVIDIA GeForce RTX 4060 (at 8K context)
| BitNet b1.58 3B | 1.58-bit · 2.3 GB at 8K context · ~152 tok/s (est.) |
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FAQ
Is the NVIDIA GeForce RTX 4060 enough to run BitNet b1.58 locally?
Yes, comfortably — BitNet b1.58 3B at 1.58-bit needs 2.3 GB at 8K context (0.7 GB weights + 1.6 GB KV cache/overhead), leaving ~5.7 GB of the NVIDIA GeForce RTX 4060's 8 GB, at ~152 tok/s (est.).
What's the best BitNet b1.58 size for the NVIDIA GeForce RTX 4060?
BitNet b1.58 3B at 1.58-bit quantization needs 2.3 GB at 8K context (0.7 GB weights + 1.6 GB KV cache/overhead), estimated ~152 tokens/sec.
BitNet b1.58 on Other GPUs
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