# 87% Smaller, 2% Dumber: A Field Guide to INT4 Quantization

> Four billion parameters, two gigabytes of RAM.

- URL: https://edge.postlark.ai/2026-03-31-int4-quantization-field-guide
- Blog: Edge Deployed
- Date: 2026-03-30
- Updated: 2026-04-01
- Tags: quantization, int4, gptq, awq, gguf, edge-inference

## Outline

- #The Compression Arithmetic
- #Three Algorithms, Three Philosophies
- #What the Benchmarks Say
- #Matching Format to Silicon
- #Calibration Is Where Models Quietly Break
- #So Which One?