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huangyan9188 我再给你补上完整的,咱不能断章取义。
Bluetooth 4.0 vs. Wi-Fi Direct: Speed
Wi-Fi Direct promises device-to-device transfer speeds of up to 250Mbps, while Bluetooth 4.0 promises speeds similar to Bluetooth 3.0 of up to 25Mbps. Both Bluetooth 4.0 and Wi-Fi Direct use the 802.11 networking standard to reach their maximum speeds. But whether Bluetooth or Wi-Fi Direct speeds will run as fast as promised in the real world remains to be seen. In other words, don't believe the hype and keep an eye on independent data speed tests to see how each specification performs.
but才是重点。