Data Sources

How we build and maintain the gsmfox database of 14,605 devices

Primary Sources

GSMArena — Manufacturer-supplied technical specifications
Manufacturer press releases — Official spec sheets from Apple, Samsung, Google and others
Android Open Source Project (AOSP) — Carrier and device configuration data
FCC filings — Regulatory submissions for US-market devices

Device scores are calculated from factual spec data using this weighted formula:

Chipset quality (38%) — Tiered from Apple Silicon/Snapdragon 8-series (95–100) down to entry-level chips
RAM (16%) — Parsed numeric GB value, capped at 16 GB
Battery (13%) — mAh capacity, capped at 6,000 mAh
Camera (11%) — Main camera megapixels, capped at 50 MP
Display PPI (9%) — Pixel density, capped at 500 ppi
Screen size (5%) — Optimised around 6.4″
Release year (5%) — Minor recency bonus, intentionally low
Weight (3%) — Lighter is marginally better

Found an error? Email [email protected] with the device name, incorrect field, and a source link.