Intel 7260 Intel 6300 in a CF 52 mk4

I just tested these two cards. Two stock antennas(for now) I will add the third later.

The 7260 was the stock card.
Win7, 32 bit
Using Windows connection manager.
Drivers version 15.17.01 dated 4/30/2015
15 feet from router through 1 wall.
Router is a Technicolor C2000T.
No changes other than the card itself.
The 6300 DOES NOT show up in the BIOS. Turn wifi on before the card swap.

7260 3 bars on the Windows thingy in the taskbar.
6300 5 bars on the Windows thingy in the...

Intel 7260 Intel 6300 in a CF 52 mk4