decent-jawfish

Bonsai 2 27B Mtp — Hardware Requirements & GPU Compatibility

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Bonsai 2 27B Mtp is a 27B-parameter open language model from decent-jawfish. At Q4_K_M it needs about 17.82 GB of VRAM — see which GPUs and Macs can run it below.

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Specifications

Publisher
decent-jawfish
Parameters
27B
Release Date
2026-09-18
License
Apache 2.0

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How Much VRAM Does Bonsai 2 27B Mtp Need?

Select a quantization to see compatible GPUs below.

QuantizationBitsVRAM
Q2_Kest.3.4012.6 GB
Q3_K_Mest.3.9014.5 GB
Q4_K_Mest.4.8017.8 GB
Q5_K_Mest.5.7021.2 GB
Q6_Kest.6.6024.5 GB
Q8_0est.8.0029.7 GB
BF16est.16.0059.4 GB

est.= calculated VRAM estimate; no published GGUF file found for that quantization yet. Other rows are verified against real community uploads.

Which GPUs Can Run Bonsai 2 27B Mtp?

Q4_K_M · 17.8 GB

Bonsai 2 27B Mtp (Q4_K_M) requires 17.8 GB of VRAM to load the model weights. For comfortable inference with headroom for KV cache and system overhead, 24+ GB is recommended. 8 GPUs can run it, including NVIDIA GeForce RTX 5090, NVIDIA GeForce RTX 3090 Ti.

Which Devices Can Run Bonsai 2 27B Mtp?

Q4_K_M · 17.8 GB

41 devices with unified memory can run Bonsai 2 27B Mtp, including NVIDIA DGX H100, NVIDIA DGX A100 640GB, Mac Mini M4 Pro (24 GB).

Runs great

— Plenty of headroom

Related Models

Frequently Asked Questions

How much VRAM does Bonsai 2 27B Mtp need?

Bonsai 2 27B Mtp requires 17.8 GB of VRAM at Q4_K_M, or 59.4 GB at BF16.

VRAM = Weights + KV Cache + Overhead

Weights = 27B × 4.8 bits ÷ 8 = 16.2 GB

KV Cache + Overhead ≈ 1.6 GB (at 2K context + ~0.3 GB framework)

VRAM usage by quantization

17.8 GB

Learn more about VRAM estimation →

Can NVIDIA GeForce RTX 4090 run Bonsai 2 27B Mtp?

Yes, at Q5_K_M (21.2 GB) or lower. Higher quantizations like Q6_K (24.5 GB) exceed the NVIDIA GeForce RTX 4090's 24 GB.

What's the best quantization for Bonsai 2 27B Mtp?

For Bonsai 2 27B Mtp, Q4_K_M (17.8 GB) offers the best balance of quality and VRAM usage. Q5_K_M (21.2 GB) provides better quality if you have the VRAM. The smallest option is Q2_K at 12.6 GB.

VRAM requirement by quantization

Q2_K
12.6 GB
Q4_K_M ★
17.8 GB
Q5_K_M
21.2 GB
Q6_K
24.5 GB
Q8_0
29.7 GB
BF16
59.4 GB

★ Recommended — best balance of quality and VRAM usage.

Learn more about quantization →

Can I run Bonsai 2 27B Mtp on a Mac?

Bonsai 2 27B Mtp requires at least 12.6 GB at Q2_K, which exceeds the unified memory of most consumer Macs. You would need a Mac Studio or Mac Pro with a high-memory configuration.

Can I run Bonsai 2 27B Mtp locally?

Yes — Bonsai 2 27B Mtp can run locally on consumer hardware. At Q4_K_M quantization it needs 17.8 GB of VRAM. Popular tools include Ollama, LM Studio, and llama.cpp.

How fast is Bonsai 2 27B Mtp?

At Q4_K_M, Bonsai 2 27B Mtp can reach ~269 tok/s on AMD Instinct MI350X. On NVIDIA GeForce RTX 4090: ~37 tok/s. Speed depends mainly on GPU memory bandwidth. Real-world results typically within ±20%.

tok/s = (bandwidth GB/s ÷ model GB) × efficiency

Example: NVIDIA B200 → 8000 ÷ 17.8 × 0.65 = ~292 tok/s

Estimated speed at Q4_K_M (17.8 GB)

~292 tok/s
~37 tok/s
~292 tok/s
~269 tok/s

Real-world results typically within ±20%. Speed depends on batch size, quantization kernel, and software stack.

Learn more about tok/s estimation →

What's the download size of Bonsai 2 27B Mtp?

At Q4_K_M, the download is about 16.20 GB. The full-precision BF16 version is 54.00 GB. The smallest option (Q2_K) is 11.47 GB.

Which GPUs can run Bonsai 2 27B Mtp?

8 consumer GPUs can run Bonsai 2 27B Mtp at Q4_K_M (17.8 GB). Top options include NVIDIA GeForce RTX 5090, AMD Radeon RX 7900 XT, AMD Radeon RX 7900 XTX. 1 GPU have plenty of headroom for comfortable inference.

Which devices can run Bonsai 2 27B Mtp?

41 devices with unified memory can run Bonsai 2 27B Mtp at Q4_K_M (17.8 GB), including AMD Ryzen AI 9 HX 370 (Strix Point) Laptop, ASUS Ascent GX10, Asus ROG Flow Z13 (2025, Ryzen AI Max+ 395, 128 GB), Beelink GTR9 Pro (Ryzen AI Max+ 395, 128 GB). Apple Silicon Macs use unified memory shared between CPU and GPU, making them well-suited for local LLM inference.