Samsung Galaxy Buds3 Pro vs Sennheiser HD 660S2
The Verdict
These headphones serve completely different purposes, making direct comparison challenging. Samsung Galaxy Buds3 Pro are wireless in-ear monitors priced at $249.99 with active noise cancellation, 6-hour battery life (ANC on), and dual-driver architecture featuring a 10.5mm woofer and 6.1mm planar tweeter. They excel for mobile use, offering Galaxy AI integration, real-time translation, and multipoint connectivity across devices. Sennheiser HD 660S2 are $499 wired over-ear audiophile headphones designed for stationary listening with a dedicated amplifier. Their 42mm dynamic transducers and 300-ohm impedance deliver exceptional clarity for music production and critical listening, with handmade German construction and replaceable components. Galaxy Buds3 Pro win for convenience, portability, and feature richness with AI capabilities and ANC. The Sennheisers triumph in pure audio fidelity and durability for professional or serious audiophile use. Choose Galaxy Buds3 Pro if you need wireless everyday earbuds with smart features; pick HD 660S2 if you want a desktop-friendly, impedance-matched headphone system for uncompromised sound quality.
Who Should Buy
Buy the Samsung Galaxy Buds3 Pro if…
- →Detailed dual-driver sound with 24-bit Hi-Fi via SSC codec
- →Strong active noise cancellation rivaling AirPods Pro 2
- →Galaxy AI features like real-time Live Translate via the buds
Buy the Sennheiser HD 660S2 if…
- →Reference-grade sound with improved bass over the original HD 660S
- →Both 6.35mm and 4.4mm balanced cables included in the box
- →Open-back design creates a wide, natural soundstage
Category Scores
Pros & Cons
Samsung Galaxy Buds3 Pro
Pros
- Detailed dual-driver sound with 24-bit Hi-Fi via SSC codec
- Strong active noise cancellation rivaling AirPods Pro 2
- Galaxy AI features like real-time Live Translate via the buds
- Bluetooth 5.4 with multipoint and IP57 water resistance
- Comfortable open-style fit with pressure-relief vent
Cons
- Best features (Hi-Fi codec, 360 Audio, AI) are locked to Galaxy phones
- Touch and pinch controls can be finicky
- Stem design with LED accents looks similar to AirPods
- Battery life is only average compared to rivals
Sennheiser HD 660S2
Pros
- Reference-grade sound with improved bass over the original HD 660S
- Both 6.35mm and 4.4mm balanced cables included in the box
- Open-back design creates a wide, natural soundstage
- Lightweight at 260 g for an audiophile over-ear
- Replaceable parts make it a long-term investment
Cons
- 300-ohm impedance requires a dedicated amp/DAC to drive properly
- Wired only — no Bluetooth option
- Open-back leaks significant sound — not for shared spaces
- $499 is steep for headphones that need additional equipment
Full Specifications
| Spec | Samsung Galaxy Buds3 Pro | Sennheiser HD 660S2 |
|---|---|---|
| Active Noise Cancelling | ||
| Type | in-ear | over-ear |
| Weight | 5.4 g (per bud) | 260 g |
| Battery | ||
| Battery life | 6 hrs buds (ANC on) / 7 hrs (ANC off), up to 26 hrs total with case | N/A (wired) |
| Charging | USB-C, Qi wireless | N/A |
| Drivers | 10.5 mm dynamic woofer + 6.1 mm planar tweeter (dual-way) | 42mm dynamic transducer, 300 ohm impedance |
| Features | 24-bit Hi-Fi audio over Samsung Seamless Codec, 360 Audio with head tracking, Real-time Interpreter and Live Translate (Galaxy AI), Adaptive ANC and Adaptive EQ, Voice Detect and Siren Detect, Blade-style stem with LED accent | Open-back audiophile design, 300-ohm impedance for dedicated amp/DAC use, Balanced 4.4mm Pentaconn cable included, Replaceable ear pads and cables, Handmade in Germany |
| Connectivity | ||
| Wired option | ||
| Codecs | SSC Hi-Fi, AAC, SBC | |
| Bluetooth | 5.4 | None (wired only) |
| Multipoint | ||
| Water Resistance | IP57 (buds) | None |
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This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
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