Fractal Audio recently released Firmware 3.00 Public Beta with reduced CPU usage for certain blocks. View the chart below for details.

Note that all blocks are loaded at Default Settings, and only the Type is changed. Also no USB was connected and no audio was being processed (no guitar being played, audio coming out, etc.). All values are within +/- .1% or so. This chart is for general reference only as the values can change due to parameter settings within the blocks.

First is a Google Doc embed best viewed on a computer.  Below it is a plain table better for mobile.

All blocks/types loaded at default settings
No USB connected | No guitar/audio playing
Negative values show improvements
0.1 is basically no change!!!
FX8 FW 2.00 3.00 PB 3.00 vs 2.00
Empty Preset:
Noise Gate Off 10 10.2 0.2
Classic Noise Gate 2.2 2.2 0
Intelligent Noise Gate 3 3 0
Shunt Not Applicable
Amp Not Applicable
2 Amps Not Applicable
Cab no Preamp:
Mono UltraRes Cab Not Applicable
Normal Res Not Applicable
Stereo Not Applicable
Stereo Ultra Res Not Applicable
Cab With Preamp:
Mono UltraRes Cab Not Applicable
Normal Res Not Applicable
Stereo Not Applicable
Stereo Ultra Res Not Applicable
Chorus:
Digital Mono 6.9 6.9 0
Digital Stereo 6.9 6.9 0
Analog Mono 7.3 7.4 0.1
Analog Stereo 7.3 7.4 0.1
Japan CE-2 7.3 7.4 0.1
Warm Stereo 7.1 7.2 0.1
80s Style 6.6 6.7 0.1
Triangle Chorus 6.4 6.5 0.1
8-Voice Stereo 14.7 14.4 -0.3
Vintage Tape 5.9 6 0.1
Dimension 1 6.9 7 0.1
Dimension 2 7.1 7.2 0.1
4-Voice Analog 10.1 10.1 0
Compressor:
Studio Comp 3.6 3.6 0
Pedal Comp 1 2 2.2 0.2
Pedal Comp 2 2.4 2.6 0.2
Dynamics 2.4 2.5 0.1
Crossover Not Available
Delay:
Digital Mono 8.4 8.6 0.2
Digital Stereo 8.4 8.7 0.3
Analog Mono 9.6 9.8 0.2
Analog Stereo 9.6 9.8 0.2
Mono Tape 7.3 7.5 0.2
Stereo Tape 9.3 9.5 0.2
Ping-Pong 9.3 9.6 0.3
Dual Delay 9.3 9.6 0.3
Reverse Delay 4.1 4.3 0.2
Sweep Delay 13.4 13.5 0.1
Ducking Delay 9.5 9.8 0.3
Vintage Digital 9.3 9.6 0.3
2290 w/ Mod 9.2 9.4 0.2
Ambient Stereo 14 14 0
Deluxe Mind Guy Not Available 8
Mono BBD Not Available 8.4
Stereo BBD Not Available 8.4
Lo-Fi Tape Not Available 7.8
Drive:
Rat Dist 12.5 12.1 -0.4
Pi Fuzz 11.5 11.1 -0.4
Tube DRV 3-Knob 12.8 12.4 -0.4
Super OD 14.6 14.3 -0.3
Treble Boost 12.5 12.3 -0.2
Mid Boost 12.5 12.2 -0.3
T808 OD 14.6 14.3 -0.3
Fat Rat 13 12.3 -0.7
T808 Mod 14.9 14.4 -0.5
Octave Dist 12.3 12 -0.3
Plus Dist 12.4 12.1 -0.3
Hard Fuzz 11.2 10.9 -0.3
FET Boost 12.4 11.7 -0.7
Tape Dist 12.4 12.1 -0.3
Full OD 14.6 14.2 -0.4
Blues OD 12 11.8 -0.2
Shred Dist 12.6 12.2 -0.4
M-Zone Dist 13 12.4 -0.6
Bender Fuzz 11.4 11.1 -0.3
BB Pre 14.7 14.4 -0.3
Master Fuzz 14.2 14 -0.2
Face Fuzz 12.5 12.2 -0.3
Bit Crusher 12.5 12.2 -0.3
Eternal Love 14.6 14.3 -0.3
Esoteric ACB 12.5 12.2 -0.3
Esoteric RCB 12.5 12.1 -0.4
Zen Master 16.5 16 -0.5
Tube DRV 4-Knob 12.9 12.4 -0.5
FAS LED-Drive 14.5 14.2 -0.3
SDD Preamp 11.9 11.6 -0.3
FET Preamp 12 11.7 -0.3
Ruckus 12.5 12.1 -0.4
Micro Boost 11.9 11.6 -0.3
FAS Boost Not Available 14.3
Enhancer:
Modern 3.4 3.6 0.2
Classic 1.7 1.8 0.1
Feedback Return Not Available
Feedback Send Not Available
Filter 1.6 1.8 0.2
Flanger:
Digital Mono 4.5 4.6 0.1
Digital Stereo 4.5 4.6 0.1
Analog Mono 5.6 5.7 0.1
Analog Stereo 5.6 5.7 0.1
Thru-Zero 4.9 5 0.1
Stereo Jet 4.9 5 0.1
Zero Flanger 4.9 5 0.1
POP Flanger 4.9 5 0.1
Formant 2.3 2.3 0
FX Loop Not Available
Gate/Expander 3.7 3.8 0.1
GEQ 1.2 1.3 0.1
Looper GLOBAL
MegaTap Delay:
16 taps (default) 7.2 7.4 0.2
1 tap 1.6 1.8 0.2
40 taps 16.2 16.3 0.1
Mixer Not Available
MIDI Block 0.6 0 -0.6
MultiBand Compressor Not Available
Multi Delay:
Quad-Tap 6.2 6.3 0.1
Plex Delay 7.9 8 0.1
Plex Detune 12.4 12.4 0
Plex Shift 12.4 12.5 0.1
Band Delay 6.5 6.6 0.1
Quad-Series 6.3 6.4 0.1
Ten-Tap DLY 5.4 5.6 0.2
Rhythm Tap 5.9 5.8 -0.1
Diffusor 5 5.2 0.2
Quad Tape DLY 9.9 9.9 0
PEQ 1.9 2 0.1
Phaser:
Digital Mono 5 3.2 -1.8
Digital Stereo 5 3.2 -1.8
Script 45 3.5 2.7 -0.8
Script 90 5 3.2 -1.8
Block 90 5 3.1 -1.9
Classic Vibe 4.8 3 -1.8
Stereo 8-Stage 8 4.1 -3.9
Barberpole 10.7 10.7 0
Pitch:
Economy Mode OFF
Detune 10 10.6 0.6
Fixed Harm 10.3 10.4 0.1
Intel Harm 10.9 10.8 -0.1
CL. Whammy 7 7.1 0.1
Octave Div 4.3 4.5 0.2
Crystals 7.9 8 0.1
AD. Whammy 7 6.8 -0.2
Arpeggiator 7 6.6 -0.4
CUST. Shift 10.5 10.7 0.2
Economy Mode ON
Detune 7.5 -2.5
Fixed Harm 7.3 -3
Intel Harm 7.8 -3.1
CL. Whammy 5.5 -1.5
Octave Div 4.5 0.2
Crystals 7.8 -0.1
AD. Whammy 5.3 -1.7
Arpeggiator 4.8 -2.2
CUST. Shift 7.6 -2.9
Relay: 0.3 0 -0.3
Quad Chorus Not Available
Resonator Not Available
Reverb:
High Res
Small Room 37.6 29.3 -8.3
Medium Room 39.7 31.5 -8.2
Large Room 39.7 31.5 -8.2
Small Hall 39.7 31.5 -8.2
Medium Hall 39.7 31.5 -8.2
Large Hall 39.7 31.5 -8.2
Small Chamber 39.7 31.5 -8.2
Medium Chamber 37.6 29.3 -8.3
Large Chamber 39.7 31.5 -8.2
Small Plate 39.7 31.5 -8.2
Medium Plate 39.7 31.5 -8.2
Large Plate 39.7 31.5 -8.2
Small Cathedral 39.7 31.5 -8.2
Med Cathedral 39.7 31.5 -8.2
Large Cathedral 39.7 31.5 -8.2
Small Spring 12 7.8 -4.2
Medium Spring 12.1 7.9 -4.2
Large Spring 12.2 8.1 -4.1
Cavern 39.7 31.5 -8.2
Stone Quarry 37.2 28.8 -8.4
Studio 37.6 29.3 -8.3
Ambience 35 26.7 -8.3
Concert Hall 39.7 31.5 -8.2
Large Deep Hall 39.7 31.5 -8.2
Rec Studio C 37.6 29.3 -8.3
North Church 39.7 31.5 -8.2
South Church 39.7 31.5 -8.2
London Plate 39.7 31.5 -8.2
Sun Plate 39.7 31.5 -8.2
Huge Room 39.7 31.5 -8.2
Drum Room 37.2 28.8 -8.4
Hallway 39.7 31.5 -8.2
Tunnel 39.7 31.5 -8.2
Deep Chamber 39.7 31.5 -8.2
LG Wooden Room 39.7 31.5 -8.2
Gymnasium 39.7 31.5 -8.2
Asylum Hall 39.7 31.5 -8.2
Deep Space 39.7 31.5 -8.2
Rec Studio A 37.6 29.3 -8.3
LG Tiled Room 37.6 29.3 -8.3
Vocal Plate 39.7 31.5 -8.2
Wide Hall 39.7 31.5 -8.2
Rich Hall 39.7 31.5 -8.2
Normal Res Subtract 15.1 Sub 7.8
Spring Reverb not affected by Normal Res
Ring Mod 2.4 2.6 0.2
Rotary 8 8 0
Synth Not Available 6.7
Tone Match Not Available
Trem/Pan:
Tremolo 2 2.1 0.1
Panner 5.8 5.8 0
Vocoder:
16 Bands (Default) Not Available
4 Bands Not Available
Vol/Pan 1.5 1.6 0.1
Wah 1.9 2 0.1
Chris
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Chris

Founder at AxeFxTutorials.com
Chris is a guitarist and drummer in Honolulu, Hawaii. He has been using the Axe-Fx since 2007, starting with an Axe-Fx Ultra, and now the Axe-Fx II. He has been helping people successfully use their FAS gear for years and the creator of many video tutorials as Katsu Kuri Media.

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Chris
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