The following features appear in the professional HXR-NX5 but not in the consumer HDR-AX2000.
1.720p recording
2.Linear uncompressed audio (Dolby AC-3 only)
3.FMU capability
4.Simultaneous recording (due to lack of FMU)
5.GPS, timecode setting, or date recording
6.Upgradability to 60i/50i switchability
7.SDI / HD-SDI
8.TC LINK
9.SDHC card support (Not mentioned on Sony specs page) *
10.B&W EVF mode
11.macro focus
12.high-speed zoom
13.smooth-transitioning gain and white-balance
14.hyper gain
15.viewfinder markers and safety zones
16.numerical zoom display and focus distance display in feet
17.black level
18.black gamma
19.knee and color depth adjustments
20.manual white balance setting
21.colorbars with tone
22.individually switchable front & rear tally lamps
23.shutter angle display
24.hour meter
25.TC reset via remote control.
26.Fewer tweaks for color modes, gammas, and detail settings.