Can I Run Ternary Bonsai 27B on NVIDIA GeForce RTX 3070?
Autor: Jakub Rusinowski · Ostatnia aktualizacja: 15 lipca 2026
No. Ternary Bonsai 27B needs 8.3 GB at 8K context (5.8 GB weights + 2.5 GB KV cache/overhead) at Ternary (1.58-bit, ~1.71 bpw) and the NVIDIA GeForce RTX 3070 has only 8 GB. No quantization we publish closes a gap that size.
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The numbers
| Model | Ternary Bonsai 27B |
| Parameters | 27B |
| Quantization | Ternary (1.58-bit, ~1.71 bpw) |
| VRAM needed (8K context) | 8.3 GB |
| NVIDIA GeForce RTX 3070 VRAM | 8 GB |
| Verdict | Does not fit |
Ternary Bonsai 27B on the NVIDIA GeForce RTX 3070: VRAM by quantization
| Quant | VRAM needed | Fits 8 GB? | Max context | Whole PC |
|---|---|---|---|---|
| Ternary (1.58-bit, ~1.71 bpw) | 8.3 GB | ✗ No | — | — |
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.
Context costs VRAM too. At Ternary (1.58-bit, ~1.71 bpw) on the NVIDIA GeForce RTX 3070: 8K 8.3 GB ✗ · 32K 13.6 GB ✗ · 128K 34.5 GB ✗. Past 8K it no longer fits 8 GB — a q8_0 KV cache buys roughly half of that back, which the calculator will price for you.
What to do next
Either step down to a smaller size in this family, or move to a NVIDIA GeForce RTX 3080 (10GB) (10 GB), the card with the least memory we track that holds it.
No compatible GPU? Bonsai 27B on 16 GB of system RAM, CPU only: runs comfortably.
Cheapest card we track with enough VRAM for Ternary Bonsai 27B:
Ternary Bonsai 27B needs ~8 GB but this GPU has 8 GB. Rent a RTX 4090 (24 GB)-class GPU by the hour instead of buying one:
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Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.
Other Bonsai 27B sizes on the NVIDIA GeForce RTX 3070
- 1-bit Bonsai 27B — runs (6.3 GB)
Ternary Bonsai 27B on nearby hardware
- NVIDIA GeForce RTX 3080 (10GB) (10 GB) — runs
All Bonsai 27B sizes on the NVIDIA GeForce RTX 3070 | Ternary Bonsai 27B model page | NVIDIA GeForce RTX 3070 GPU page | VRAM calculator | Check your hardware