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Logitech Signature M650 vs Razer DeathAdder Essential

Researched, not hands-on tested.How we review ›

all judged against mice at a similar price

The Logitech Signature M650 scores 7.1/10 overall, ahead of the Razer DeathAdder Essential at 6.3/10.

The Logitech Signature M650 leads on comfort and shape, connectivity and battery and build and buttons.

They score the same on sensor and tracking and software and value.

Logitech Signature M650

Logitech Signature M650

7.1/10verdict: buy

The Logitech Signature M650 is a wireless mouse for office and home desk work where comfort and low noise matter most. It comes in standard, large and left-handed versions, so more people can find a fit. It suits anyone who wants a quiet, long-lasting everyday mouse rather than a gaming or multi-computer one.

Typically about £25.99 in the UK when we researched itCheck price at Amazon UK (opens in a new tab, affiliate link)

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Razer DeathAdder Essential

Razer DeathAdder Essential

6.3/10verdict: good, not the best

The Razer DeathAdder Essential is for right-handed users with medium to large hands who want a wired mouse with a comfortable shape. It suits desk setups where a 1.8 m cable is fine and wireless is not needed. It is a sensible pick for anyone who values owner-praised comfort and value over long-term switch reliability.

Typically about £18 in the UK when we researched itCheck price at Amazon UK (opens in a new tab, affiliate link)

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Scores, criterion by criterion

CriterionWeightLogitech Signature M650Razer DeathAdder Essential
Comfort and shape25%8/107/10
Connectivity and battery25%7/106/10
Sensor and tracking20%6/106/10
Build and buttons15%7/105/10
Software and value15%7/107/10
Overall7.1/106.3/10

Specifications

SpecLogitech Signature M650Razer DeathAdder Essential
ConnectionLogi Bolt USB receiver or Bluetooth Low Energy; 10 m wireless rangeWired, 1.8 m cable, USB
Sensor and DPILogitech Advanced Optical Tracking; 400 DPI nominal, up to 4000 DPI maxTrue 6,400 DPI optical sensor, 1000 Hz Ultrapolling, up to 220 IPS / 30 G acceleration
Battery life1 x AA included; up to 24 months with Logi Bolt receiver, up to 20 months with BluetoothNot applicable (wired)
Weight101.4 g96 g (excluding cable)
Buttons5 (left/right click, back/forward, scroll wheel with middle click)5 independently programmable Hyperesponse buttons, Razer mechanical switches rated to 10 million clicks, tactile scroll wheel
Shape and handContoured with soft thumb area and rubber side grips; standard size for small-to-medium handsRight-handed ergonomic design, 127 x 73 x 44 mm, for medium to large hands, palm, claw and fingertip grip
SoftwareSupported by Logi Options+ on Windows and macOS; page also lists Linux, iPadOS, Android and ChromebookRazer Synapse 3

Strengths and weaknesses

Logitech Signature M650

  • + Quiet clicks and a contoured, rubber-gripped shape
  • + Up to 24 months from one AA battery
  • + Size options include large and left-handed versions
  • − No multi-device switching on this model
  • − Standard size is aimed at small-to-medium hands

Skip it if:

  • Anyone who wants to switch one mouse between several computers
  • Gamers who want a published polling rate and high-DPI controls
  • People with large hands who would only consider the standard size
Read the full Logitech Signature M650 review ›

Razer DeathAdder Essential

  • + Owners praise the comfortable shape
  • + Supports palm, claw and fingertip grips
  • + Owners praise its value
  • − Owners report switch and double-click failures
  • − Right-handed design only
  • − Razer labels it Legacy

Skip it if:

  • Left-handed users, because the shape is right-handed only.
  • Anyone who wants a wireless or Bluetooth mouse.
  • Buyers who want a lightweight mouse or a switch that lasts for years.
Read the full Razer DeathAdder Essential review ›

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