Solid State Logic UF8 Audio Interface vs Focusrite Scarlett 18i20 3rd Gen

Get the Focusrite Scarlett 18i20 3rd Gen, narrowly. The Focusrite Scarlett 18i20 3rd Gen wins Connectivity, but only just, and the rest of the chart is...

Solid State Logic UF8 Audio Interface
Solid State Logic
Solid State Logic UF8 Audio Interface
$199
Focusrite Scarlett 18i20 3rd Gen
Focusrite
Focusrite Scarlett 18i20 3rd Gen
$599.99

The Ruling

Solid State Logic UF8 Audio Interface or Focusrite Scarlett 18i20 3rd Gen? Get the Focusrite Scarlett 18i20 3rd Gen, narrowly.

The Focusrite Scarlett 18i20 3rd Gen wins Connectivity — but only just, and the rest of the chart is close. It is the pricier of the two at $599.99, so the Solid State Logic UF8 Audio Interface stays the pick if $400.99 matters more than those specs.

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At a Glance

Where each one actually leads

Every axis is scored out of 10 from the catalog specs below. The scores are relative to the products on this page, so a 10 means “best of these”, not “perfect”, and two identical columns mean the catalog genuinely cannot separate them. Axes the catalog holds no figure for on both sides are left off entirely rather than guessed at.

CategorySolid State Logic UF8 Audio InterfaceFocusrite Scarlett 18i20 3rd Gen
Audio Resolution10/1010/10
Mic Inputs10/1010/10
Connectivity2/1010/10
Value10/103.3/10

The Split

What each one wins

Solid State Logic UF8 Audio Interface

Desktop audio interface intended for creator workflows, microphone input, monitoring, and clean signal routing.

It gives up TRS outputs to the Focusrite Scarlett 18i20 3rd Gen. It is the cheaper of the two, by $400.99.

Leads on

  • Nothing on the spec sheet goes this one’s way.

Focusrite Scarlett 18i20 3rd Gen

Desktop audio interface intended for creator workflows, microphone input, monitoring, and clean signal routing.

On paper the Focusrite Scarlett 18i20 3rd Gen takes TRS outputs (10, +8). It concedes nothing measurable on the sheet. That costs $400.99 more than the Solid State Logic UF8 Audio Interface.

Leads on

  • TRS Outputs +8
    10
    2

    More TRS outputs allow routing to studio monitors and outboard gear.

Where they’re identical

These 6 specs are the same on both of them, so none of it is part of the decision.

  • Connection Type usb-c, xlr, trs
  • Operating System windows, macos
  • Sample Rate 192kHz
  • Bit Depth 24-bit
  • Phantom Power Yes
  • XLR Inputs 2

The Record

19 specs, grouped by area

Full specification comparison of Solid State Logic UF8 Audio Interface and Focusrite Scarlett 18i20 3rd Gen, grouped by area.
Specification
Solid State Logic
Solid State Logic UF8 Audio Interface
Focusrite
Focusrite Scarlett 18i20 3rd Gen
Audio ResolutionEven
Sample Rate192kHz192kHz
Max Sample Rateno data192kHz
Bit Depth24-bit24-bit
PreampsNot enough data
Preamp Gainno data60dB
Dynamic Rangeno datano data
Mic InputsEven
XLR Inputs22
MonitoringNot enough data
Headphone Outputsno data2
Direct Monitoringno dataYes
Creator FeaturesNot enough data
Loopbackno dataNo
ADAT Expansionno dataYes
MIDI I/Ono dataIn/Out
Bundled Softwareno datano data
ConnectivityFocusrite Scarlett 18i20 3rd Gen
TRS Outputs2✓ 10
Connection Typeusb-c, xlr, trsusb-c, xlr, trs
PowerNot enough data
Bus Poweredno dataNo
Phantom PowerYesYes
BuildNot enough data
Dimensionsno datano data
Weightno datano data
CompatibilityNot enough data
Operating Systemwindows, macoswindows, macos

A group is won by whoever takes more of its rows outright. Specs the catalog cannot rank are shown but never decide a group.

Bottom Line

Who each one is for

The Focusrite Scarlett 18i20 3rd Gen is the pick on the specs the catalog holds, but “better on paper” and “right for you” are different questions. Each case below names what the product is actually good at and who that suits.

The alternative

At $199.00, the Solid State Logic UF8 Audio Interface is the most affordable option — 67% less than the priciest pick. It trades raw specs for a simpler, more focused experience. Covers the essentials without stretching your budget.

  • × Fewer TRS outputs (2 vs 10)

Also worth knowing

  • ✓ Budget is your top priority — $400.99 less than the priciest option

Look elsewhere if

  • × You need the best TRS outputs available

Best for budget-conscious creators.

Our pick
Best ValuePremium PickMost Connectivity

The Focusrite Scarlett 18i20 3rd Gen is the priciest at $599.99, but leads on specs where it counts. It leads in TRS outputs (10). Offers the most spec advantages per dollar in this comparison.

  • + More TRS outputs (10 vs 2)

Also worth knowing

  • ✓ You want the stronger TRS outputs (10)
  • ✓ You want room for eight more inputs later, without replacing the box
  • ✓ You need to hear yourself with no software latency while recording
  • ✓ You have MIDI gear to plug in without a separate adapter

Look elsewhere if

  • × You're on a tight budget — save $400.99 with a cheaper option

Best for value-focused buyers, professionals who want the best, complex setup builders.

Frequently Asked Questions

What is the main difference between Solid State Logic UF8 Audio Interface and Focusrite Scarlett 18i20 3rd Gen?

The largest gap is TRS outputs, where the Focusrite Scarlett 18i20 3rd Gen leads — 10 against 2. Across the catalog's specification sheet the two differ on 1 spec. They match on 6 specs, including connection type, operating system and sample rate. Two audio interfaces from Solid State Logic and Focusrite, each taking a different approach to audio quality and I/O flexibility.

Which is better for streaming, Solid State Logic UF8 Audio Interface or Focusrite Scarlett 18i20 3rd Gen?

Get the Focusrite Scarlett 18i20 3rd Gen, narrowly. The Focusrite Scarlett 18i20 3rd Gen wins Connectivity — but only just, and the rest of the chart is close. It is the pricier of the two at $599.99, so the Solid State Logic UF8 Audio Interface stays the pick if $400.99 matters more than those specs.

What do the Solid State Logic UF8 Audio Interface and Focusrite Scarlett 18i20 3rd Gen have in common?

Both share 6 specifications in the catalog, including connection type (usb-c, xlr, trs), operating system (windows, macos), sample rate (192kHz) and bit depth (24-bit), among others. None of those is a reason to pick one over the other.

Is the Focusrite Scarlett 18i20 3rd Gen worth the extra $401 over the Solid State Logic UF8 Audio Interface?

The Focusrite Scarlett 18i20 3rd Gen costs $599.99 against $199.00, a difference of $401. The premium buys TRS outputs (10). Whether that is worth it depends on which of those you would actually use.

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