Display Size and Waveform Viewing Area
Tektronix 4 Series MSO ✔ 13.3 inch HD (1920 x 1080) – touch with gesture control	Keysight 4000A X-Series ✗ 12.1 inch SVGA (800 x 600) – touch but NO gesture control

Digital Channels
Tektronix 4 Series MSO ✔ No. of displayed busses limited only by scope memory – user adjustable on the display ✔ Up to 48 digital channels ✔ 6.25 GS/s sample rate ✔ Max. record length up to 62.5 Mpts (opt)	Keysight 4000A X-Series ✗ Limited to 2 bus signals – anchored to the bottom of the display ✗ Max. of 16 digital channels ✗ 1.25 GS/s sample rate ✔ Max. record length of 2 Mpts – when not using analog channels

Waveform Capture Rate
Tektronix 4 Series MSO ✔ Greater than 500,000 waveforms/s with FastAcq provides similar performance	Keysight 4000A X-Series ✔ Up to 1,000,000 waveforms/s – limited to 3 horizontal scale settings

Measurements and Math
Tektronix 4 Series MSO ✔ More than 4 math channels, and all can be displayed ✔ Graphical equation editor with easily recognizable math functions ✔ No. of measurements limited only by scope memory ✔ Measurements based on signal data values	Keysight 4000A X-Series ✗ Max. of 4 math channels, but can only display 1 ✗ Limited math choices available through text-based menu ✗ Max. of 10 measurements ✗ Measurements based on displayed data points

Navigation and Search
Tektronix 4 Series MSO ✔ Wave Inspector® controls for easy scrolling through long records ✔ User selectable record length ✔ Search based on signal data values – reliably find specified events	Keysight 4000A X-Series ✗ Uses horizontal scale and position controls for zoom ✗ Users cannot select record length only horizontal scale – can result in highly distorted waveforms ✗ Search based on displayed data points – results in missing specified events

1. 1.5 GHz only available on half channels.

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06/2019 48W-61580-0