Both machines do the same basic thing. They push fine needles into the skin and release radiofrequency energy from the needle tips, heating the dermis in small separated columns while the surrounding tissue is left alone.
The clearest difference between them is on paper. Vivace's FDA clearance actually names a cosmetic use. Morpheus8's does not. Vivace (K193070, 2021) is cleared "for electrocoagulation and hemostasis and the percutaneous treatment of facial wrinkles... when using the 1MHz setting," for Fitzpatrick skin types I to V. Electrocoagulation and hemostasis is surgical language for sealing tissue and stopping bleeding, not a cosmetic claim. The clearance states plainly that the 2 MHz setting "has not been evaluated" for wrinkles. Morpheus8's clearances name no cosmetic use at all: electrocoagulation and hemostasis (K192695, 2019), then coagulation or contraction of soft tissue (K231790, 2023).
That is a difference in what a regulator reviewed, not proof that one works better. A 510(k) clearance means a device was judged substantially equivalent to an earlier device. It is not a finding that a benefit was demonstrated.
The second real difference is depth. Vivace's needles run 0.5 to 3.5 mm. Morpheus8's FDA paperwork lists a maximum of 4.0 mm on the 12-pin tip and 7.0 mm on the 24- and 40-pin tips, so it can be set into the fat layer in a way Vivace cannot.
Made by ShenB in Korea, sold in the US by Aesthetics Biomedical. A red and blue LED module and a topical serum are sold as part of the treatment; neither is in the cleared indication, and no published trial of the Vivace protocol was found.
Made by InMode. It is the rebuilt Fractora platform, which was first cleared in 2011. The machine also carries different tip sizes and a Burst mode that fires at several depths in one needle insertion; Burst is a delivery mode, not a separate indication, and no study isolating it was found.
The 510(k) summary does not state whether the needles are insulated, so this is a company claim rather than a regulatory fact.
InMode's marketing figure of 8 mm is 7 mm of needle plus a claimed 1 mm of heat spread. It is a press-release number, not a cleared spec.
The 2 MHz setting carries no wrinkle indication.
Above 62 mJ per pin, Morpheus8 is limited to skin types I to IV.
It is worth being precise, because clinics use this line in both directions.
Only a handful of devices in this class carry any cosmetic wording at all. Vivace and Virtue RF have facial wrinkles at 1 MHz — Vivace's for Fitzpatrick I to V, Virtue RF's for its Smart RF handpiece only. Profound has facial wrinkles on its dermal handpiece and, on its SubQ handpiece, the appearance of cellulite in Fitzpatrick I to III. Profound Matrix has facial wrinkles in Fitzpatrick I to IV. Potenza, Secret RF, Genius, Sylfirm X, Scarlet, Agnes, PiXel8-RF and Morpheus8 have no cosmetic wording at all.
Vivace's wrinkle indication covers Fitzpatrick I to V. Morpheus8 carries a formal limit instead: above 62 mJ per pin, the applicator is restricted to skin types I to IV.
Radiofrequency heats by resistance rather than by targeting pigment, which is why this class is generally considered lower risk in deeper skin tones than ablative lasers. But "safe for all skin types" is an overstatement for Morpheus8 at high energy, and it is the clearance itself that says so. In a systematic review of 35 studies in Fitzpatrick III to VI, seven reported temporary darkening of the skin, one reported prolonged darkening and one reported permanent scarring.
Tell your provider at booking if you get cold sores. Antiviral medication is started in advance, not after a blister appears. There is no published data on cold-sore reactivation after RF microneedling specifically; the practice is carried over from laser resurfacing, where it is well documented.
Also disclose a pacemaker or implantable defibrillator, and any metal implant near the treatment area. These are labelled contraindications for radiofrequency devices generally, and they are precautionary rather than tested.