qwen3.5:4b

OLLAMA GGUF

qwen35 · 4.7B · Q4_K_M

Marginal

Mar 5, 2026 · Apple M4

GPT-20B:20b

OLLAMA GGUF

gptoss · 20.9B · MXFP4

Excellent

Aug 22, 2026 · NVIDIA RTX Spark N1X (6144-core GPU, 20-core ) RTX Spark N1X (6144-core GPU, 20-core )

Global Score

48 vs 93

Hardware Fit

77 vs 91

Quality Score

35 vs 94

Hardware

qwen3.5:4b GPT-20B:20b

MachineMac miniHP HyperX OMEN Transcend Gaming Laptop 14-ga0xxx5CD612DXML

CPUApple M4NVIDIA RTX Spark N1X (6144-core GPU, 20-core ) RTX Spark N1X (6144-core GPU, 20-core )

Cores1020

RAM16 GB55 GB

GPUApple M4NVIDIA RTX Spark N1X (6144-core Blackwell RTX GPU), NVIDIA NPU

OSmacOS 26.3Microsoft Windows 11 Pro 10.0.28000

Archarm64arm64

Power Modebalancedbalanced

Performance

qwen3.5:4b GPT-20B:20b

Tokens/sec18.957.8

First chunk316 ms203 ms

TTFT13.0 s3.0 s

Load time3.7 s19.2 s

Memory usage5.9 GB12.0 GB

Memory %37%22%

HW Fit Score Breakdown

qwen3.5:4b

Speed

43/50

TTFT

4/20

Memory

30/30

GPT-20B:20b

Speed

50/50

TTFT

11/20

Memory

30/30

Quality

qwen3.5:4b

Reasoning

10/20

Coding

1/20

Instruction

4/20

Structured

3/15

Math

8/15

Multilingual

9/10

Reasoning: Weak Coding: Poor Instruction Following: Poor Structured Output: Poor Math: Adequate Multilingual: Strong

GPT-20B:20b

Reasoning

19/20

Coding

17/20

Instruction

18/20

Structured

15/15

Math

15/15

Multilingual

10/10

Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong

View qwen3.5:4b details | View GPT-20B:20b details

Run yours and compare

$ npm install -g metrillm@latest

$ metrillm

Requires Node 20+ and Ollama or LM Studio running

Or run without installing: npx metrillm@latest