# item.guide
Side-by-Side Comparison Wireless Power

MagSafe vs. Fast Wireless

Comparing 2 standards across 13 specifications. 13 key differences identified.

Comparing:
MagSafe
Fast Wireless

Apple MagSafe is a proprietary wireless charging and magnetic accessory attachment standard introduced on iPhone 12. Combining an array of 16 rare-earth neodymium magnets, an alignment magnet, a 15W inductive charging coil, a single-turn NFC antenna, and a magnetometer, it delivers precision self-aligning power and accessory identification.

View full MagSafe spec sheet →

Proprietary Fast Wireless Charging refers to high-power, customized inductive charging ecosystems developed by smartphone manufacturers (including Oppo/OnePlus AirVOOC, Xiaomi HyperCharge, and Honor SuperCharge). Operating at power tiers from 50W to 100W, they utilize high-voltage resonant pump circuits, active thermoelectric cooling, and dual-cell battery architectures to bypass standard 15W Qi limitations.

View full Fast Wireless spec sheet →

Specification Comparison Table

13 Parameters
Parameter / Spec
Proprietary Standard
Apple Inc. MagSafe Wireless Architecture —
Power Delivery (Wattage)
15 W (up to 25W on iPhone 16 series with 30W adapter) —
Magnetic Ring Array
18-magnet circular array (16 orientation magnets + 1 alignment magnet + 1 shielding ring) —
Coil Physics
Multi-strand Litz wire planar inductive coil —
Accessory Identification Radio
13.56 MHz Single-Turn NFC Loop (ISO 14443-A based) —
Alignment Detection
Internal solid-state Magnetometer / Hall effect sensor —
Standard Qi Fallback
Charges non-MagSafe Qi devices at standard 7.5W BPP —
Peak Power Delivery Tiers
— 50W, 80W, 100W (subject to regional RF regulatory caps)
Regulatory RF Power Limit
— Historically capped near 50W under China's MIIT radio regulations, reportedly relaxed to around 80W in a 2024 revision -- regional regulatory limits are a moving target and worth confirming against the current rule text
Operating Resonant Frequencies
— 110 kHz to 148.5 kHz / specialized high-frequency bands
Cooling Architecture
— Active brushless cooling fan + internal Peltier thermoelectric elements
Battery Cell Design
— Dual-cell series (2S) battery topology (e.g. 2x 2,500 mAh cells charging at 10V/20V)
Fallback Protocol
— Falls back to standard WPC Qi (5W–15W) when charging third-party devices

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