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Razer DeathAdder Essential vs Razer Cobra

Real specs. Clear sources.Exact models · UK & US buying links

Compared products

YOUR FIRST CHOICE

Razer DeathAdder Essential

Black · RZ01-03850100-R3M1 · UK manufacturer configuration

Full product profile Official image

Exact model & source notes

The DeathAdder Essential is Razer's entry-level wired right-handed ergonomic mouse: 96 g, a 6,400 DPI optical sensor, five programmable buttons and mechanical switches rated for 10 million clicks.

Specifications checked 26 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

WHICH SUITS YOU?

Choose the DeathAdder Essential for

A right-hand shape
Longer stated body length: 127.3 mm vs 119.6 mm

Choose the Cobra for

A symmetric shape
More stated listed controls: 6 vs 5
Onboard memory: Yes vs No

Built from verified specifications that differ. Not a rating or a recommendation.

See the 14 verified differences

THE CONTENDER

Razer Cobra

Black · RZ01-04650100-R3M1 · UK manufacturer configuration

Full product profile Official image

Exact model & source notes

The Razer Cobra is a compact wired mouse with a right-handed symmetrical shape, a 58 g weight excluding cable, an 8,500 DPI optical sensor and third-generation optical switches.

Specifications checked 26 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

DeathAdder Essential UK & US retailers

UK & US price history: no verified listing yet

Cobra UK & US retailers

UK & US price history: no verified listing yet

Search links open retailer results, not a matched listing; eBay listings are checked daily. As an Amazon Associate I earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.

THE DIFFERENCES, MADE VISIBLE

Visual facts

Differences first. Select a topic for its graphic, sources and conditions.

How to read this comparison

Manufacturer facts for the exact models shown. Not a quality rating or a test result.
“Different” means the known values differ, not that one is better.
Missing or conflicting evidence is marked and never counts as a difference. Source chips hold each fact’s sources and conditions.

SPECIFICATIONS SIDE BY SIDE7 topics

SELECTED TOPIC

01 / 07

Controls

Read each mouse’s count: it may include physical clicks, programmable wheel actions or optional side buttons. A listed control is not automatically programmable, and more controls are not automatically easier to reach.

Razer DeathAdder Essential5 controls

Manufacturer specification · Razer lists 5 independently programmable Hyperesponse buttons.

Source 1 Source 2

Razer Cobra6 controls

Manufacturer specification · Razer's specification table lists 6 programmable buttons.

Source 1 Source 2

Explore the full specifications

Choose the grip, then check the connection. Left-side thumb controls are not a mirrored left-handed layout. Check the receiver or USB connection, battery requirements and your preferred shape. DPI is tracking resolution, not an accuracy score; no gaming winner is inferred.

WHAT CHANGES BETWEEN THEM?

Key differences

Full specifications ↓

14 verified differences, most decision-relevant first. 7 are also drawn in Visual facts above. Missing information stays separate.

Listed controls

In Visual facts

Razer DeathAdder Essential5

Razer Cobra6

Sources

Razer DeathAdder Essential

Manufacturer specification · Razer lists 5 independently programmable Hyperesponse buttons.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential — Razer UK product overview

Razer Cobra

Manufacturer specification · Razer's specification table lists 6 programmable buttons.

Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs Razer Cobra (RZ01-04650100-R3U1) — Razer US store page and tech specs

Physical clicks, programmable wheel actions and optional side buttons can produce different counts. Read each configuration; a larger count does not establish better control or programmability.

Hand orientation

In Visual facts

Razer DeathAdder EssentialRight-handed ergonomic shape; side buttons on the left

Razer CobraRight-handed symmetrical compact shape; side buttons on the left

Sources

Razer DeathAdder Essential

Manufacturer specification · Razer's stated form factor; side-button position from the official product views. Not a grip or comfort test.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential — Razer UK product overview

Razer Cobra

Manufacturer specification · Razer's stated form factor; side-button position from the official product views. Not a grip or comfort test.

Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs Razer Cobra — Razer UK product overview and FAQ

Check the exact configuration and source conditions for your use.

Body length

In Visual facts

Razer DeathAdder Essential127.3 mm

Razer Cobra119.6 mm

Sources

Razer DeathAdder Essential

Manufacturer specification · Mouse body length; cable excluded.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs

Razer Cobra

Manufacturer specification · Mouse body length; cable excluded.

Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs

Check the exact configuration and source conditions for your use.

Main switch technology

In Visual facts

Razer DeathAdder EssentialRazer Mechanical Switches

Razer CobraRazer Optical Mouse Switches Gen-3

Sources

Razer DeathAdder Essential

Manufacturer specification

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential — Razer UK product overview

Razer Cobra

Manufacturer specification

Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs

Switch actuation and button tensioning describe different parts of a click mechanism. Read the documented technology; its name alone does not establish latency, durability or feel.

Scroll controls

In Visual facts

Razer DeathAdder EssentialStandard scroll wheel; no tilt-click

Razer CobraScroll wheel; no left/right tilt

Sources

Razer DeathAdder Essential

Manufacturer specification

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs

Razer Cobra

Manufacturer specification · Original exact supported description: Standard scroll wheel; no tilt-click. Razer explicitly lists Tilt Scroll Wheel None and Scroll Wheel Tilt Scroll-No. This does not establish a middle-click or free-spin feature; counterpart-only details remain unknown.

Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs

Check the exact configuration and source conditions for your use.

Onboard memory

In Visual facts

Razer DeathAdder EssentialNo

Razer CobraYes

Sources

Razer DeathAdder Essential

Manufacturer specification · Razer lists no onboard memory profiles.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs

Razer Cobra

Manufacturer specification · Keeps the last used Razer Synapse profile, including DPI settings and button assignments.

Razer Cobra — Razer UK product overview and FAQ

Stored profiles, sensitivity settings and software assignments are different capabilities. An unspecified profile count is not zero; check the software and firmware conditions.

Show 8 more verified differences

Lighting

In Visual facts

Razer DeathAdder EssentialSingle-colour green lighting; no RGB

Razer CobraRGB

Sources

Razer DeathAdder Essential

Manufacturer specification

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs

Razer Cobra

Manufacturer specification · Customisable from close to 16.8 million colours and lighting effects; reacts with Chroma-integrated games. Razer's FAQ says the wired Cobra has a single-zone gradient underglow, while the Cobra Pro has an 11-zone underglow. Razer does not state on these pages which software sets the lighting. Published lighting implementation: Razer Chroma RGB; single-zone gradient underglow. Source-specific tooling, location, modes and effects remain qualified; more detailed wording does not establish another RGB product lacks that implementation.

Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs Razer Cobra — Razer UK product overview and FAQ

Check the exact configuration and source conditions for your use.

Glide feet

Razer DeathAdder EssentialStandard stock feet

Razer Cobra100% PTFE

Sources

Razer DeathAdder Essential

Manufacturer specification · Razer does not state the material.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs

Razer Cobra

Manufacturer specification

Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs

Check the exact configuration and source conditions for your use.

Maximum tracking resolution

Razer DeathAdder Essential6400 DPI

Razer Cobra8500 DPI

Sources

Razer DeathAdder Essential

Manufacturer specification

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs

Razer Cobra

Manufacturer specification · Adjustable in 50 DPI increments.

Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs Razer Cobra — Razer UK product overview and FAQ

Sensor settings and manufacturer tracking limits describe capabilities, not independently measured accuracy or gaming performance. Preserve each test surface and software condition.

Claimed main-switch durability

Razer DeathAdder Essential10 million clicks

Razer Cobra90 million clicks

Sources

Razer DeathAdder Essential

Manufacturer specification · Razer's lifecycle rating for the mechanical switches.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs

Razer Cobra

Manufacturer specification · Razer's lifecycle rating for the optical switches.

Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs

Check the exact configuration and source conditions for your use.

Published acceleration threshold

Razer DeathAdder Essential30 G

Razer Cobra35 G

Sources

Razer DeathAdder Essential

Manufacturer specification · Razer's maximum acceleration rating; test surface not stated.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs

Razer Cobra

Manufacturer specification · Razer's maximum acceleration rating; test surface not stated.

Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs

Sensor settings and manufacturer tracking limits describe capabilities, not independently measured accuracy or gaming performance. Preserve each test surface and software condition.

Published tracking speed

Razer DeathAdder Essential220 IPS

Razer Cobra300 IPS

Sources

Razer DeathAdder Essential

Manufacturer specification · Razer's maximum speed rating; test surface not stated.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs

Razer Cobra

Manufacturer specification · Razer's maximum speed rating; test surface not stated.

Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs

Sensor settings and manufacturer tracking limits describe capabilities, not independently measured accuracy or gaming performance. Preserve each test surface and software condition.

Body width

Razer DeathAdder Essential72.7 mm

Razer Cobra62.5 mm

Sources

Razer DeathAdder Essential

Manufacturer specification · Razer's listed width; Razer does not state the measurement basis.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs

Razer Cobra

Manufacturer specification · Overall width, not grip width.

Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs

A size or weight trade-off; it does not establish the better product.

Dimensions

Razer DeathAdder Essential127.3 × 72.7 × 42.8 mm (length × width × height)

Razer Cobra119.6 × 62.5 × 38.1 mm (length × width × height)

Sources

Razer DeathAdder Essential

Manufacturer specification · Mouse body as listed by Razer; cable excluded.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs

Razer Cobra

Manufacturer specification · Mouse body as listed by Razer; cable excluded.

Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs Razer Cobra (RZ01-04650100-R3U1) — Razer US store page and tech specs

A size or weight trade-off; it does not establish the better product.

Missing or non-comparable evidence (11)

Sensor model

Razer DeathAdder EssentialNot verified

Razer CobraRazer 8500 DPI optical

Sources

Razer DeathAdder Essential

The individually reviewed exact source inventory does not identify a sensor model. The published method or description is retained separately. · Manufacturer specification

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential — Razer UK product overview

Razer Cobra

Manufacturer specification · Razer's sensor name.

Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs Razer Cobra (RZ01-04650100-R3U1) — Razer US store page and tech specs

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Maximum report rate

Razer DeathAdder EssentialNot verified

Razer CobraNot verified

Sources

Razer DeathAdder Essential

Razer does not list a polling rate for this model. · Manufacturer specification · Neither the tech specs nor the overview state a report rate.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs

Razer Cobra

Razer does not list a polling rate for this model. · Manufacturer specification · Neither the tech specs nor the overview state a report rate.

Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Onboard profile capacity

Razer DeathAdder EssentialNot verified

Razer Cobra1 profile

Sources

Razer DeathAdder Essential

No source recorded for this side.

Razer Cobra

Manufacturer specification · One profile, per Razer's specification table and FAQ.

Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs Razer Cobra — Razer UK product overview and FAQ

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Customisation software

Razer DeathAdder EssentialNot verified

Razer CobraRazer Synapse

Sources

Razer DeathAdder Essential

No source recorded for this side.

Razer Cobra

Manufacturer specification · Profiles, DPI and button settings are set in Razer Synapse.

Razer Cobra — Razer UK product overview and FAQ

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Cable length

Razer DeathAdder Essential1.8 m

Razer CobraNot verified

Sources

Razer DeathAdder Essential

Manufacturer specification · Razer lists a standard cable, 1.8 m.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs

Razer Cobra

Razer does not list the cable length for this model. · Manufacturer specification · Razer names the Speedflex cable but gives no length.

Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Listed package

Razer DeathAdder EssentialNot verified

Razer CobraMouse; documentation

Sources

Razer DeathAdder Essential

No source recorded for this side.

Razer Cobra

Manufacturer specification · Manufacturer box contents; check the seller's listing. Original exact model package description: Mouse; Important Product Information Guide. The named document is Important Product Information Guide. This common item-function value does not claim identical document titles, physical bundles, cable parts or regional warranty entitlements.

Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs

Evidence is missing or conflicting on at least one side. This is not a verified difference.

RGB lighting zones

Razer DeathAdder EssentialNot verified

Razer CobraNot verified

Sources

Razer DeathAdder Essential

No source recorded for this side.

Razer Cobra

Total-device RGB-zone count is unknown; the independently supported underglow count is recorded separately. · Manufacturer specification · Razer explicitly describes single-zone gradient underglow, but these retained pages do not establish the total configurable-zone count across logo,wheel and underglow.

Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs Razer Cobra — Razer UK product overview and FAQ

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Minimum sensitivity

Razer DeathAdder EssentialNot verified

Razer CobraNot verified

Sources

Razer DeathAdder Essential

Razer does not list a minimum sensitivity for this model. · Manufacturer specification · Razer lists only the 6,400 DPI maximum.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs

Razer Cobra

Razer does not list a minimum sensitivity for this model. · Manufacturer specification · Razer lists only the 8,500 DPI maximum.

Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Tracking method

Razer DeathAdder EssentialOptical

Razer CobraNot verified

Sources

Razer DeathAdder Essential

Manufacturer specification · Razer names the sensor only as optical; no model is given. Original manufacturer description: 6,400 DPI optical sensor. This identifies optical tracking, not a named sensor model. Model-specific hardware, accuracy and performance are not inferred.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential — Razer UK product overview

Razer Cobra

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Underglow lighting zones

Razer DeathAdder EssentialNot verified

Razer Cobra1

Sources

Razer DeathAdder Essential

No source recorded for this side.

Razer Cobra

Manufacturer specification · Razer FAQ:single-zone gradient underglow. This is not a count of all RGB-lit components.

Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs Razer Cobra — Razer UK product overview and FAQ

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Weight

Razer DeathAdder Essential96 g

Razer Cobra58 g

Sources

Razer DeathAdder Essential

Manufacturer specification · Manufacturer-listed weight; Razer does not state whether the cable is included.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs

Razer Cobra

Manufacturer specification · Manufacturer-listed weight excluding the cable.

Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs Razer Cobra (RZ01-04650100-R3U1) — Razer US store page and tech specs

The manufacturer sources do not establish the same cable weighing basis. Both published masses remain visible with their conditions, but are not ranked.

1 shared field has the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

Razer DeathAdder Essential

What it brings

It keeps the classic DeathAdder right-handed ergonomic shape with two left side buttons and five independently programmable buttons.
Manufacturer source Manufacturer source
Razer lists a 1.8 m cable and simple single-colour green lighting, with the same specifications on its UK and US store pages.
Manufacturer source Manufacturer source

What to check

The specifications are modest: 6,400 DPI, 220 IPS and 30 G tracking ratings, mechanical switches rated for 10 million clicks, standard stock feet and no onboard memory.
Manufacturer source
Razer lists a weight of 96 g; the mouse is wired with a right-handed form factor, and Razer publishes no polling rate or minimum DPI.
Manufacturer source Manufacturer source

Razer Cobra

What it brings

At 58 g (cable excluded) and 119.6 mm long it is small and light, with 100% PTFE feet and a flexible Speedflex cable.
Manufacturer source Manufacturer source
Razer's Gen-3 optical switches are rated for 90 million clicks, and sensitivity can be set in 50 DPI steps.
Manufacturer source Manufacturer source

What to check

It is wired only, stores just one onboard profile and has no tilt-click wheel; the 8,500 DPI sensor is rated to 300 IPS and 35 G.
Manufacturer source Manufacturer source
Razer publishes no polling rate, cable length or minimum DPI for this model.
Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

26 of 26 specifications Sources in each row

Source-backed specifications for Razer DeathAdder Essential and Razer Cobra
Specification	Razer DeathAdder Essential	Razer Cobra

WeightDifferent Sources Razer DeathAdder Essential Manufacturer specification · Manufacturer-listed weight; Razer does not state whether the cable is included. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs Razer Cobra Manufacturer specification · Manufacturer-listed weight excluding the cable. Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs Razer Cobra (RZ01-04650100-R3U1) — Razer US store page and tech specs	96 g	58 g
DimensionsDifferent Sources Razer DeathAdder Essential Manufacturer specification · Mouse body as listed by Razer; cable excluded. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs Razer Cobra Manufacturer specification · Mouse body as listed by Razer; cable excluded. Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs Razer Cobra (RZ01-04650100-R3U1) — Razer US store page and tech specs	127.3 × 72.7 × 42.8 mm (length × width × height)	119.6 × 62.5 × 38.1 mm (length × width × height)
Body lengthDifferent Sources Razer DeathAdder Essential Manufacturer specification · Mouse body length; cable excluded. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer Cobra Manufacturer specification · Mouse body length; cable excluded. Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs	127.3 mm	119.6 mm
Body widthDifferent Sources Razer DeathAdder Essential Manufacturer specification · Razer's listed width; Razer does not state the measurement basis. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer Cobra Manufacturer specification · Overall width, not grip width. Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs	72.7 mm	62.5 mm
Hand orientationDifferent Sources Razer DeathAdder Essential Manufacturer specification · Razer's stated form factor; side-button position from the official product views. Not a grip or comfort test. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential — Razer UK product overview Razer Cobra Manufacturer specification · Razer's stated form factor; side-button position from the official product views. Not a grip or comfort test. Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs Razer Cobra — Razer UK product overview and FAQ	Right-handed ergonomic shape; side buttons on the left	Right-handed symmetrical compact shape; side buttons on the left
Glide feetDifferent Sources Razer DeathAdder Essential Manufacturer specification · Razer does not state the material. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer Cobra Manufacturer specification Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs	Standard stock feet	100% PTFE

Tracking method Sources Razer DeathAdder Essential Manufacturer specification · Razer names the sensor only as optical; no model is given. Original manufacturer description: 6,400 DPI optical sensor. This identifies optical tracking, not a named sensor model. Model-specific hardware, accuracy and performance are not inferred. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential — Razer UK product overview Razer Cobra No source recorded.	Optical	Not provided
Maximum tracking resolutionDifferent Sources Razer DeathAdder Essential Manufacturer specification Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs Razer Cobra Manufacturer specification · Adjustable in 50 DPI increments. Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs Razer Cobra — Razer UK product overview and FAQ	6400 DPI	8500 DPI
Published tracking speedDifferent Sources Razer DeathAdder Essential Manufacturer specification · Razer's maximum speed rating; test surface not stated. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer Cobra Manufacturer specification · Razer's maximum speed rating; test surface not stated. Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs	220 IPS	300 IPS
Published acceleration thresholdDifferent Sources Razer DeathAdder Essential Manufacturer specification · Razer's maximum acceleration rating; test surface not stated. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer Cobra Manufacturer specification · Razer's maximum acceleration rating; test surface not stated. Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs	30 G	35 G
Sensor model Sources Razer DeathAdder Essential The individually reviewed exact source inventory does not identify a sensor model. The published method or description is retained separately. · Manufacturer specification Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential — Razer UK product overview Razer Cobra Manufacturer specification · Razer's sensor name. Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs Razer Cobra (RZ01-04650100-R3U1) — Razer US store page and tech specs	Not listed by the manufacturer	Razer 8500 DPI optical

Listed controlsDifferent Sources Razer DeathAdder Essential Manufacturer specification · Razer lists 5 independently programmable Hyperesponse buttons. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential — Razer UK product overview Razer Cobra Manufacturer specification · Razer's specification table lists 6 programmable buttons. Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs Razer Cobra (RZ01-04650100-R3U1) — Razer US store page and tech specs	5	6
Main switch technologyDifferent Sources Razer DeathAdder Essential Manufacturer specification Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential — Razer UK product overview Razer Cobra Manufacturer specification Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs	Razer Mechanical Switches	Razer Optical Mouse Switches Gen-3
Claimed main-switch durabilityDifferent Sources Razer DeathAdder Essential Manufacturer specification · Razer's lifecycle rating for the mechanical switches. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer Cobra Manufacturer specification · Razer's lifecycle rating for the optical switches. Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs	10 million clicks	90 million clicks
Scroll controlsDifferent Sources Razer DeathAdder Essential Manufacturer specification Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer Cobra Manufacturer specification · Original exact supported description: Standard scroll wheel; no tilt-click. Razer explicitly lists Tilt Scroll Wheel None and Scroll Wheel Tilt Scroll-No. This does not establish a middle-click or free-spin feature; counterpart-only details remain unknown. Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs	Standard scroll wheel; no tilt-click	Scroll wheel; no left/right tilt

Connections Sources Razer DeathAdder Essential Manufacturer specification · Original manufacturer description: Wired (standard cable). Wired only; Razer lists no wireless mode or battery. The connector type is not stated on these pages. Shared wired availability is comparable. Manufacturer cable and connector details retain their own scope; no unlisted connector is inferred. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs Razer Cobra Manufacturer specification · Original manufacturer description: Wired (Razer Speedflex cable). Wired only; Razer lists no wireless mode or battery. The connector type is not stated on these pages. Shared wired availability is comparable. Manufacturer cable and connector details retain their own scope; no unlisted connector is inferred. Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs Razer Cobra (RZ01-04650100-R3U1) — Razer US store page and tech specs	Wired	Wired
Cable length Sources Razer DeathAdder Essential Manufacturer specification · Razer lists a standard cable, 1.8 m. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs Razer Cobra Razer does not list the cable length for this model. · Manufacturer specification · Razer names the Speedflex cable but gives no length. Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs	1.8 m	Not provided

Onboard memoryDifferent Sources Razer DeathAdder Essential Manufacturer specification · Razer lists no onboard memory profiles. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs Razer Cobra Manufacturer specification · Keeps the last used Razer Synapse profile, including DPI settings and button assignments. Razer Cobra — Razer UK product overview and FAQ	No	Yes
LightingDifferent Sources Razer DeathAdder Essential Manufacturer specification Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs Razer Cobra Manufacturer specification · Customisable from close to 16.8 million colours and lighting effects; reacts with Chroma-integrated games. Razer's FAQ says the wired Cobra has a single-zone gradient underglow, while the Cobra Pro has an 11-zone underglow. Razer does not state on these pages which software sets the lighting. Published lighting implementation: Razer Chroma RGB; single-zone gradient underglow. Source-specific tooling, location, modes and effects remain qualified; more detailed wording does not establish another RGB product lacks that implementation. Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs Razer Cobra — Razer UK product overview and FAQ	Single-colour green lighting; no RGB	RGB
Onboard profile capacity Sources Razer DeathAdder Essential No source recorded. Razer Cobra Manufacturer specification · One profile, per Razer's specification table and FAQ. Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs Razer Cobra — Razer UK product overview and FAQ	Not provided	1 profile
Customisation software Sources Razer DeathAdder Essential No source recorded. Razer Cobra Manufacturer specification · Profiles, DPI and button settings are set in Razer Synapse. Razer Cobra — Razer UK product overview and FAQ	Not provided	Razer Synapse

Listed package Sources Razer DeathAdder Essential No source recorded. Razer Cobra Manufacturer specification · Manufacturer box contents; check the seller's listing. Original exact model package description: Mouse; Important Product Information Guide. The named document is Important Product Information Guide. This common item-function value does not claim identical document titles, physical bundles, cable parts or regional warranty entitlements. Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs	Not provided	Mouse; documentation
Underglow lighting zones Sources Razer DeathAdder Essential No source recorded. Razer Cobra Manufacturer specification · Razer FAQ:single-zone gradient underglow. This is not a count of all RGB-lit components. Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs Razer Cobra — Razer UK product overview and FAQ	Not provided	1

Show unverified (3)Not verified, not provided or conflicting for both products. Kept for completeness; never counted as a difference.

Specifications without verified values for either product
Minimum sensitivity Sources Razer DeathAdder Essential Razer does not list a minimum sensitivity for this model. · Manufacturer specification · Razer lists only the 6,400 DPI maximum. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer Cobra Razer does not list a minimum sensitivity for this model. · Manufacturer specification · Razer lists only the 8,500 DPI maximum. Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs	Not provided	Not provided
Maximum report rate Sources Razer DeathAdder Essential Razer does not list a polling rate for this model. · Manufacturer specification · Neither the tech specs nor the overview state a report rate. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer Cobra Razer does not list a polling rate for this model. · Manufacturer specification · Neither the tech specs nor the overview state a report rate. Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs	Not provided	Not provided
RGB lighting zones Sources Razer DeathAdder Essential No source recorded. Razer Cobra Total-device RGB-zone count is unknown; the independently supported underglow count is recorded separately. · Manufacturer specification · Razer explicitly describes single-zone gradient underglow, but these retained pages do not establish the total configurable-zone count across logo,wheel and underglow. Razer Cobra (RZ01-04650100-R3M1) — Razer UK store page and tech specs Razer Cobra — Razer UK product overview and FAQ	Not provided	Not listed by the manufacturer

First product manufacturer source Second product manufacturer source

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Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.