Serum 2 vs Sylenth1
Specs, price and the Dubspot Score, side by side — with our verdict on which synth to buy.
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Serum 2 and Sylenth1 are both go-to software synths, but they answer different questions. Serum 2 is Xfer Records' five-engine sound-design instrument spanning wavetable, sample, granular and spectral synthesis; Sylenth1 is LennarDigital's lean virtual-analog workhorse built for fat, ready-to-mix leads and supersaws. Producers pit them against each other because one promises limitless design and the other promises instant, effortless results.
The key difference
The decisive split is architecture and intent, not raw quality. Serum 2 is a modern, deeply-modulated design environment where you sculpt sounds from scratch across five oscillator engines and watch every move on screen, which is exactly why it became the teaching synth for a generation. Sylenth1 is strictly subtractive with four unison oscillators and two filter sections on a single fixed panel, so it trades that ceiling for immediacy, warmth and famously low CPU. In practice Serum 2 is the tool you reach for when the sound doesn't exist yet, and Sylenth1 is the one you reach for when it basically does and you just want it fast and polished.
Choose Serum 2 if you want to design original sounds from the ground up, need granular or spectral textures, and want the clearest visual synth to actually learn synthesis on.
Choose Sylenth1 if you want warm, mix-ready analog-style leads, basses and supersaws instantly, on a light CPU footprint, without menu-diving or a learning curve.
Which should you buy?
Serum 2 earns its higher score and its $249 tag by being a genuinely bigger instrument, and for anyone doing original sound design it's the clear pick. But Sylenth1 at €139 is not simply the lesser synth; for producers who live on supersaws, basses and glassy leads, its sound-per-effort and CPU efficiency make it the better value and often the faster route to a finished track. The winner depends on whether you're designing sounds or delivering them.
Specs compared
| Serum 2 | Sylenth1 | |
|---|---|---|
| Price | $249 | — |
| Dubspot Score | 9.2 | 8.4 |
| Formats | VST3, AU, AAX | VST, VST3, AU, AAX |
| Oscillator engines | 5 (Wavetable, Multisample, Sample, Granular, Spectral) | — |
| Factory presets | Over 626 presets | — |
| Wavetables | 288 wavetables | — |
| Plugin formats | VST3, AU, AAX (64-bit) | — |
| Platforms | Windows 10+ and macOS High Sierra+ (Intel) / Big Sur+ (Apple Silicon) | — |
| Additional tools | Arpeggiator, clip sequencer, flexible effect routing | — |
| Synth engine | — | Virtual analog (subtractive) |
| Oscillators | — | 4 alias-free unison oscillators; up to 8 unison voices each (32 voices per note) |
| Polyphony | — | 16 notes (up to 512 voices simultaneously) |
| Filters | — | 2 filter sections, each with 4 filter stages and nonlinear saturation |
| Effects | — | Arpeggiator, distortion, phaser, chorus/flanger, EQ, delay, reverb, compressor |
| Presets | — | Over 2,500 presets included |
Serum 2 vs Sylenth1: FAQ
Is Serum 2 or Sylenth1 better for beginners?
It depends on the beginner. Sylenth1 is faster to get results from thanks to its single-panel layout, 2,500-plus presets and shallow learning curve, so it's friendlier if you just want good sounds now. Serum 2 has a steeper curve but its visual, everything-on-screen workflow is arguably the best way to actually understand how synthesis works.
Is Serum 2 worth the higher price over Sylenth1?
If you do original sound design or need granular and spectral engines, yes; Serum 2's $249 buys a genuinely larger instrument that Sylenth1's subtractive architecture cannot match. If your work is mostly leads, basses and supersaws, Sylenth1 at €139 delivers most of what you need for far less and with lower CPU, making it the stronger value for that use case.
Which synth is lighter on CPU, Serum 2 or Sylenth1?
Sylenth1 is dramatically lighter. It's engineered to stack hundreds of voices on modest machines, which is a core reason it remains a workhorse in dense arrangements. Serum 2's deeper engines and heavy modulation can get CPU-hungry on complex patches, so on older or heavily-loaded systems Sylenth1 has a clear efficiency advantage.
See the full plugin database for more comparisons.