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 )

qwen3.5:27b

OLLAMA GGUF

qwen35 · 27.8B · Q4_K_M

Good

Mar 10, 2026 · Apple M4

Global Score

93 vs 66

Hardware Fit

91 vs 34

Quality Score

94 vs 80

Hardware

GPT-20B:20b qwen3.5:27b

MachineHP HyperX OMEN Transcend Gaming Laptop 14-ga0xxx5CD612DXMLMac mini

CPUNVIDIA RTX Spark N1X (6144-core GPU, 20-core ) RTX Spark N1X (6144-core GPU, 20-core )Apple M4

Cores2010

RAM55 GB24 GB

GPUNVIDIA RTX Spark N1X (6144-core Blackwell RTX GPU), NVIDIA NPUApple M4

OSMicrosoft Windows 11 Pro 10.0.28000macOS 26.3

Archarm64arm64

Power Modebalancedbalanced

Performance

GPT-20B:20b qwen3.5:27b

Tokens/sec57.84.0

First chunk203 ms1655 ms

TTFT3.0 s1.7 s

Load time19.2 s12.9 s

Memory usage12.0 GB21.3 GB

Memory %22%89%

HW Fit Score Breakdown

GPT-20B:20b

Speed

50/50

TTFT

11/20

Memory

30/30

qwen3.5:27b

Speed

8/50

TTFT

20/20

Memory

6/30

Quality

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

qwen3.5:27b

Reasoning

16/20

Coding

18/20

Instruction

9/20

Structured

15/15

Math

12/15

Multilingual

10/10

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

View GPT-20B:20b details | View qwen3.5:27b 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