Feature comparison

Effect Block Count and Type Differences in Axe-Fx Products
Effect	Axe-Fx Standard	Axe-Fx Ultra
Amp simulator	2	2
Amplifier Types	70	70
Global Amp Memories	10	10
Cabinet Simulator	2	2
Onboard Cab Types	39	39
User Cab Memories	10	10
Usable Cab IR files	Unlimited	Unlimited
Drive	2	2
Drive Models	22	22
Chorus	2	2
Compressor	2	2
Effects loop/aux out	1	1
Stereo Enhancer	1	1
Flanger	2	2
Gate/expander	-	2
Feedback send/return	1	1
Filter	2	4
Formant filter	1	1
Graphic equalizer	2	4
Parametric equalizer	2	4
Crossover	-	2
Delay Blocks	2	2
Delay Types	5	6 (Includes LOOPER. All types also include DIFFUSION params.)
MegaTap delay	-	1
Mixer	2	2
Multiband Compressor	-	2
Multi-Delay Blocks	2	2
Multi-Delay Types	5	9 (Includes Quad Series, 10-tap, Rhythm Tap and Diffuser)
Noise gate	1	1
Pan/tremolo	2	2
Phaser	2	2
Pitch Shift Blocks	1	2
Pitch Shift Types	6	10 (Includes Arpeggiator, Auto-Pitch,Custom Scales Shifter, and Advanced Whammy)
Pitch User Scales	0	32
Quad chorus	-	2
Resonator	-	2
Reverb	2	2
Reverb Types	18	18
Ring modulator	-	1
Rotary cabinet	2	2
Synth	-	2
Vocoder	-	1
Volume/pan	1	4
Wah-wah	2	2

See also [1]