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Sennheiser HD 620s vs Sony WH-1000XM6: which should you buy?

On aggregated review scores the Sony WH-1000XM6 comes out ahead with a HearWiki score of 89. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: Sony WH-1000XM6 - Outstanding overall at around $398.

Score breakdown

Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.

Sony WH-1000XM6 leads on 7 of 7 measures.

  • Sennheiser HD 620s
  • Sony WH-1000XM6
HearWiki score
72
89
Sound
7.7
9.0
Noise cancelling
-
9.6
Battery
-
8.1
Calls
-
9.6
Value
7.4
8.2
Price (USD)
$400
$400

Generation & platform

The scores rank quality. This is the other question: is the newer one actually newer technology, or the same platform in a new shell?

Half a step newer

Sony WH-1000XM6 (2025) against Sennheiser HD 620s (2024). The Sony WH-1000XM6 edges ahead on platform, but only just: ANC type Adaptive against None. It also adds USB-C.

  • HD 620s2024
  • WH-1000XM620251 yr newer
What differsHD 620sWH-1000XM6

Platform

ANC type
None
Adaptive

Everyday features

USB-C
No
Yes

Specifications

HD 620sWH-1000XM6
Type
Over-Ear
Over-Ear
Price (USD)
$400
$400
HearWiki score
72
89
Released
2024
2025
Availability
Still sold new
Sold new
Driver
42 mm dynamic
30 mm dynamic
Driver type
dynamic
dynamic
Driver size
42 mm
30 mm
Drivers per side
1
1
Frequency response
6 Hz - 30 kHz
4 Hz - 40 kHz
Impedance
150 Ω
48 Ω
Sensitivity
103 dB/mW
103 dB/mW
Sensitivity (dB/Vrms)
110
-
Bluetooth
-
5.3
Codecs
-
SBC, AAC, LC3, LDAC
Multipoint pairing
-
Yes
Wireless range
-
10 m
Battery life
-
40 h
Battery life (ANC on)
-
30 h
Full charge time
-
210 min
Quick charge
-
3 min → 3 h
Wireless charging
-
No
Active noise cancelling
No
Yes
ANC type
-
adaptive
Transparency mode
-
Yes
Companion app
-
Yes
Custom EQ
-
Yes
Wear detection
-
Yes
Controls
-
buttons
Voice assistant
-
Yes
Weight
670 g
254 g
Water resistance
-
none
Detachable cable
Yes
Yes
USB-C
No
Yes
Pad material
leather
-
Connector
6.35 mm
3.5 mm
Balanced connection
Yes
-
Model code
700401
-
Microphones
-
12
Microphone type
-
MEMS

What reviewers said

Sennheiser HD 620s

The Sennheiser HD 620S is a wired, closed-back over-ear headphone that aims to deliver an open-back-like soundstage and balanced tuning, with a slight bass emphasis and clear, detailed audio. It features a 42mm dynamic driver, high impedance, and a comfortable leather-padded design, making it a solid mid-fi choice for critical listening without amplification concerns. Its performance is generally praised, though fit and minor frequency inconsistencies can affect the experience.

  • Pro:Balanced, neutral-to-natural sound signature
  • Pro:Open-back-like soundstage for a closed design
  • Pro:Comfortable with leather ear pads
  • Con:Sound varies with individual fit
  • Con:Some frequency peaks and dips may be noticeable
  • Con:No ANC or wireless features

Sony WH-1000XM6

The Sony WH-1000XM6 is a premium over-ear wireless headphone that combines adaptive active noise cancellation with a long-lasting battery and support for high-quality audio codecs. It features multipoint Bluetooth connectivity and a transparent mode, making it a versatile choice for both focused listening and everyday commutes. With a lightweight build and tactile controls, it balances comfort and functionality for extended use.

  • Pro:Adaptive active noise cancellation for personalized silencing
  • Pro:Multipoint Bluetooth 5.3 for seamless device switching
  • Pro:Transparency mode for ambient awareness when needed
  • Con:No water resistance rating for wet conditions
  • Con:No wireless charging option
  • Con:Relies on physical buttons rather than touch controls

Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.

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