Sennheiser Momentum 4 vs Sennheiser HD 620S

Updated Sep 2026 · Scored by the Let’s Compare Data Engine · How we score

For most buyers the Sennheiser Momentum 4 is the better pick — it scores 90/100 to the Sennheiser HD 620S's 17, leading on Noise Cancelling and Wireless. Choose the Sennheiser HD 620S instead if you want to spend less.

  • Sound quality isn't scored yet (we have no measured audio data), so the score covers features, battery, noise cancelling and build.

Verdict

Our overall take, at a glance

Key takeaways

  • Sennheiser Momentum 4 leads Sennheiser HD 620S overall by 73 points (90 vs 17 out of 100).
  • Sennheiser Momentum 4 stands out on Comfort & Build Weight: 293 g (10% less).
Sennheiser Momentum 4 leads overall
Sennheiser Momentum 4
90
Sennheiser HD 620S
17
Why it stands out
  • Comfort & Build Weight: 293 g (10% less)

Watch-outs

Compromises to know before you buy

Sennheiser Momentum 4

No notable compromises found.

Sennheiser HD 620S

  • No microphone — you can't take calls.

In-depth analysisAI

AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Sep 2026.

Sennheiser Momentum 4

The Sennheiser Momentum 4 are over-ear wireless headphones designed for listeners who prioritize sound fidelity and long battery life. Despite being on the market for multiple years, they remain a prominent option in the active noise-canceling space. They offer a blend of high-quality audio reproduction, wireless connectivity, and active noise reduction.

Best for Long-haul travel requiring class-leading battery enduranceBest for Listeners seeking premium sound quality without paying the premium of the…
Pros
  • Exceptional battery performance that minimizes the need for frequent charging
  • High-fidelity audio quality that remains competitive with newer industry standards
  • Capable active noise cancellation for daily commutes and travel
Cons
  • Slightly outdated technology implementation compared to newer flagship rivals
  • Minor software and usability rough edges in everyday operation

Sennheiser HD 620S

The Sennheiser HD 620S is a closed-back dynamic headphone designed for audiophiles who want the mid-range performance and tuning characteristic of the open-back HD 600 series but require passive isolation. It features a closed-cup acoustic design aimed at providing a spacious soundstage while physically blocking out external noise.

Best for Audiophile-grade critical listening in offices or shared living spaces where…Best for Fans of the classic Sennheiser sound signature who need isolation from ambient…
Pros
  • Provides passive noise isolation to block external sound and prevent leakage
  • Adapts the highly regarded Sennheiser HD 6X0 sound signature into a closed-back layout
  • Durable build design intended for long-term reliability
Cons
  • Inherent acoustic limitations of closed ear cups may result in a less natural soundstage compared to true open-back models
  • Clamp force and physical headband design may cause pressure discomfort during extended listening sessions

Value for Money

Which is the better deal for the price

Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.

Sennheiser Momentum 4

Sennheiser HD 620S

Physical Comparison

Weight, side by side

293 g326 g
Sennheiser Momentum 4Sennheiser HD 620S

Sennheiser HD 620S is 33 g (11%) heavier than Sennheiser Momentum 4.

Review Videos

Hand-picked expert reviews for each product

Detailed Specifications

The full spec sheet, side by side

Frequently Asked Questions

Common questions about Sennheiser Momentum 4 vs Sennheiser HD 620S comparison

Based on our overall comparison score, Sennheiser Momentum 4 rates higher at 82/100 versus 21/100 for Sennheiser HD 620S — a 61-point lead. Sennheiser Momentum 4 is the stronger overall pick, though the right choice still depends on which specs matter most to you; the full spec table above breaks down every difference.
Sennheiser Momentum 4 and Sennheiser HD 620S are compared side by side above across every spec in the headphones category — including performance, features and design — each scored 0–100 so you can see exactly where one leads the other. Our overall scores are 82/100 for Sennheiser Momentum 4 and 21/100 for Sennheiser HD 620S.
At launch, Sennheiser HD 620S was the more affordable option ($350) versus Sennheiser Momentum 4 ($379). Weigh that against the overall scores (82/100 vs 21/100) and the value-for-money meter above to judge whether the higher-rated model justifies its price for your needs. Current retail prices vary — check the retailer.
If you want the higher-rated headphones option overall, Sennheiser Momentum 4 (82/100) edges out Sennheiser HD 620S (21/100). But if Sennheiser HD 620S is cheaper or stronger on the specific specs you care about, it can still be the better buy — use the spec table and strengths profile above to decide.

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