Compare Corsair K100 RGB vs Corsair K70 Core

P1 Corsair K100 RGB
P2 Corsair K70 Core

Comparison Takeaways

Corsair K100 RGB

Where It Has the Edge

  • actuation consistency is 5.0 vs 2.5. Actuation consistency is supported by IGN's report that there were no response or press issues during fast gaming...
  • layout options is 4.7 vs 2.5. Layout options improve because reviewers appreciate the standard bottom row and easier compatibility with aftermarket keycap sets.
  • passthrough features is 4.0 vs 2.0. Passthrough features are generally appreciated as a useful luxury or handy extra, though cable routing is not universally...
  • durability is 4.7 vs 2.8. Durability evidence focuses mainly on PBT keycaps and materials that reviewers say resist wear or hold up better...

Corsair K70 Core

Where It Has the Edge

  • typing comfort is 4.8 vs 3.3. Typing comfort was strongly positive where discussed, with reviewers describing the board as comfortable or useful for long...
  • noise level is 4.4 vs 3.0. Noise level was generally considered low for a mechanical board, with reviewers praising subdued, quiet, or less annoying...
  • portability is 3.3 vs 2.1. Portability was mixed: the board is reasonably light, but full-size dimensions and the fixed cable limit easy travel.
  • size and form factor is 3.3 vs 2.3. The full-size form factor pleased some users but was also criticized for taking up desk space and not...
Average score
Product 1: Corsair K100 RGB
4.0
Product 2: Corsair K70 Core
3.7
acoustics
Product 1: Corsair K100 RGB
4.1

Acoustics are mixed: several reviewers like the smoother or more satisfying sound, while ProSettings complains about hollow, resonating, loud keys.

Product 2: Corsair K70 Core
4.2

Acoustics were a clear strength for most reviewers thanks to a deeper, quieter sound, though one negative review found the sound unpleasant.

actuation consistency
Product 1: Corsair K100 RGB
5.0

Actuation consistency is supported by IGN's report that there were no response or press issues during fast gaming use.

Product 2: Corsair K70 Core
2.5

Evidence is split: one review said actuation behaved as expected, while another reported severe switch chatter on multiple keys.

backlight brightness
Product 1: Corsair K100 RGB
5.0

Backlight brightness is strongly praised where mentioned, especially by reviewers who call the lighting impressively bright.

Product 2: Corsair K70 Core
4.5

Backlight brightness earned positive remarks, with reviewers calling the lighting impressively bright or noting strong shine.

build quality
Product 1: Corsair K100 RGB
4.4

Build quality is usually described as premium, sturdy, solid, or excellent, but one Tom's Hardware sample left concerns because of magnet and key issues.

Product 2: Corsair K70 Core
3.9

Build quality was generally solid, especially for the price, but opinions were pulled down by plastic construction and one strongly negative durability critique.

cable quality
Product 1: Corsair K100 RGB
3.0

Cable quality is mixed: reviewers call the cable sturdy, thick, and braided, but fixed and non-detachable design hurts convenience.

Product 2: Corsair K70 Core
2.0

Cable quality was the most repeated hardware complaint: reviewers disliked the fixed, rubber, non-braided, non-detachable cable.

compatibility
Product 1: Corsair K100 RGB
4.4

Compatibility receives positive evidence from iCue recognizing another Corsair device, suggesting useful ecosystem integration.

Product 2: Corsair K70 Core
5.0

Compatibility evidence was positive, with reviewers reporting Windows/Mac support and console testing without issues.

connectivity
Product 1: Corsair K100 RGB
3.8

Connectivity gets positive marks for USB passthrough as a handy extra, though the wired-only setup and thick cable remain contextual limitations.

Product 2: Corsair K70 Core
4.5

Connectivity was judged positively when discussed, mainly because the wired connection avoided disconnects and wireless-interference concerns.

customization options
Product 1: Corsair K100 RGB
4.3

Customization options are extremely broad across lighting, keys, macros, and wheel functions, but reviewers often warn that configuring them takes effort.

Product 2: Corsair K70 Core
4.3

Customization options were broadly strong, covering key remaps, RGB, dial behavior, and iCUE controls, though dial programmability was limited.

design aesthetics
Product 1: Corsair K100 RGB
4.6

Design aesthetics are widely praised as premium, sleek, gorgeous, luxurious, or visually impressive, with the RGB-heavy look occasionally framed as busy.

Product 2: Corsair K70 Core
3.7

Design aesthetics were mixed to positive, with praise for striking or sleek styling offset by comments that it was basic or even unattractive.

desk space efficiency
Product 1: Corsair K100 RGB
2.5

Desk space efficiency is weak because multiple reviewers mention a massive footprint or the need to sacrifice room for the keyboard and wrist rest.

Product 2: Corsair K70 Core
3.5

Desk space opinions depended on layout: the TKL Wireless was efficient, while the full-size Core was called large and space-hungry.

durability
Product 1: Corsair K100 RGB
4.7

Durability evidence focuses mainly on PBT keycaps and materials that reviewers say resist wear or hold up better over time.

Product 2: Corsair K70 Core
2.8

Durability evidence was mixed, with positive bend-test comments offset by concerns about the fixed cable and one review calling the keycaps non-durable.

ease of switch replacement
Product 1: Corsair K100 RGB
No score yet
Product 2: Corsair K70 Core
1.0

Ease of switch replacement scored poorly because the negative review stressed difficult serviceability without hot-swap or easy disassembly.

ergonomics
Product 1: Corsair K100 RGB
4.2

Ergonomics are generally good due to comfort and wrist support, though some reviewers want a better wrist angle or note the large full-size layout.

Product 2: Corsair K70 Core
3.8

Ergonomics were mixed, with positive comments on height, palm support, and hand comfort but complaints about tall chassis positioning.

extra gaming features
Product 1: Corsair K100 RGB
3.5

Extra gaming features are polarizing: reviewers praise the G keys and control wheel potential, but several call the wheel limited, janky, or not very useful in games.

Product 2: Corsair K70 Core
3.2

Extra gaming features were adequate but not standout; reviewers liked useful basics but criticized limited or delayed advanced features.

frame rigidity
Product 1: Corsair K100 RGB
5.0

Frame rigidity receives excellent marks from reviewers who report no frame flex or only minimal flex.

Product 2: Corsair K70 Core
4.5

Frame rigidity was usually praised, with reviewers citing low flex, good rigidity, and torsional stiffness.

gaming performance
Product 1: Corsair K100 RGB
4.5

Gaming performance is widely praised as fast, smooth, and confidence-inspiring, with some reviewers reporting better responsiveness or a noticeable improvement in games.

Product 2: Corsair K70 Core
4.4

Gaming performance was consistently solid to excellent, with reviewers reporting responsive play and no major speed or registration issues in games.

hot-swappable switches
Product 1: Corsair K100 RGB
1.0

Hot-swappable switches score poorly because the one opinionated mention treats the lack of hot-swap support as a drawback.

Product 2: Corsair K70 Core
1.6

Hot-swappable switch support was consistently negative because reviewers emphasized that the board is not hot-swappable.

keycap quality
Product 1: Corsair K100 RGB
4.4

The double-shot PBT keycaps are praised for feel, texture, clean looks, durability, and bright/crisp legends, though one review criticizes the included replacement caps as less durable.

Product 2: Corsair K70 Core
3.3

Keycap quality drew mixed reactions: some liked the ABS texture and feel, while others disliked slickness, shine risk, thinness, or durability concerns.

key responsiveness
Product 1: Corsair K100 RGB
4.7

The keyboard is repeatedly praised for very fast, sensitive, and responsive inputs, with several reviewers describing immediate or lightning-fast key response.

Product 2: Corsair K70 Core
4.3

Gaming and general input responsiveness were mostly praised, with reviewers describing presses as snappy, responsive, or quick enough in actual play.

key spacing
Product 1: Corsair K100 RGB
3.7

Key spacing is mixed, with praise for standard bottom-row spacing but complaints that the left G keys can cause reaches or accidental presses.

Product 2: Corsair K70 Core
No score yet
key stability
Product 1: Corsair K100 RGB
5.0

Key stability receives strong praise from reviewers who note almost no tilt, no rattle, and no flex or wobble in the keys.

Product 2: Corsair K70 Core
4.2

Key stability was viewed positively overall, with limited wobble noted across keycaps and stabilizer-supported keys.

latency
Product 1: Corsair K100 RGB
4.4

Latency impressions are mostly positive in real use, including reports of no lag or instant action, but some reviewers question whether the sub-millisecond gains are perceptible.

Product 2: Corsair K70 Core
4.0

One reviewer judged latency and speed solid overall, aided by the wired design and mainstream 1,000Hz behavior.

layout options
Product 1: Corsair K100 RGB
4.7

Layout options improve because reviewers appreciate the standard bottom row and easier compatibility with aftermarket keycap sets.

Product 2: Corsair K70 Core
2.5

Layout option criticism came from a reviewer who wanted a TKL version of the model they tested.

legend visibility
Product 1: Corsair K100 RGB
4.6

Legends are praised as sharp, clean, bright, and well illuminated, with reviewers appreciating the less gamer-heavy font and full legend visibility.

Product 2: Corsair K70 Core
3.8

Legend visibility was mostly usable, but not perfect; one review noted uneven illumination while another found legends clear and easy to see.

macro customization
Product 1: Corsair K100 RGB
4.6

Macro customization is a major strength, with reviewers praising G keys, Stream Deck integration, on-the-fly macro recording, and broad remapping possibilities.

Product 2: Corsair K70 Core
4.6

Macro customization was praised, especially through iCUE, with reviewers noting useful shortcuts, remapping, and macro recording.

materials quality
Product 1: Corsair K100 RGB
4.7

Materials quality is praised for aluminum, premium feel, strong construction, and top-quality components.

Product 2: Corsair K70 Core
3.7

Materials quality was mixed: reviewers liked the metal or aluminum elements but repeatedly noted budget plastic and less premium construction.

media controls
Product 1: Corsair K100 RGB
4.0

Media controls are mostly praised for dedicated keys, a metal scroll wheel, and usable feedback, although some buttons feel odd or less satisfying.

Product 2: Corsair K70 Core
3.3

Media controls were mixed: reviewers liked the multifunction dial, but criticized registration issues, limited programmability, and lack of dedicated media keys.

noise level
Product 1: Corsair K100 RGB
3.0

Noise level is divided: some reviewers call the board loud or drastically louder than quieter keyboards, while others find the sound pleasant or less distracting.

Product 2: Corsair K70 Core
4.4

Noise level was generally considered low for a mechanical board, with reviewers praising subdued, quiet, or less annoying operation.

onboard memory
Product 1: Corsair K100 RGB
4.5

Onboard memory is praised as unusually large or impressive, especially the ability to store many profiles and lighting layers on the keyboard.

Product 2: Corsair K70 Core
4.0

Onboard memory was mostly valued for portable profiles, though one review wanted stronger onboard behavior and another noted software-profile limitations.

passthrough features
Product 1: Corsair K100 RGB
4.0

Passthrough features are generally appreciated as a useful luxury or handy extra, though cable routing is not universally ideal.

Product 2: Corsair K70 Core
2.0

Passthrough features scored low because a reviewer explicitly wanted a USB hub but noted it was absent.

per-key lighting control
Product 1: Corsair K100 RGB
4.5

Per-key lighting control is positively noted in reviews that appreciate the individual key lighting and access to the keyboard's 44 lighting zones.

Product 2: Corsair K70 Core
5.0

Per-key lighting control was praised where discussed, with reviewers noting individual key color control and granular lighting customization.

polling rate
Product 1: Corsair K100 RGB
3.5

The 4,000Hz polling rate is seen as technically impressive and future-facing, yet many reviewers say the practical difference from 1,000Hz is subtle or hard to notice.

Product 2: Corsair K70 Core
4.2

Most reviewers found the 1,000Hz polling rate sufficient or excellent for this class, even if it lacks higher-end AXON-style rates.

portability
Product 1: Corsair K100 RGB
2.1

Portability is poor because reviewers emphasize the K100's size, weight, full-size layout, and non-detachable cable as desk-bound traits.

Product 2: Corsair K70 Core
3.3

Portability was mixed: the board is reasonably light, but full-size dimensions and the fixed cable limit easy travel.

profile management
Product 1: Corsair K100 RGB
4.0

Profile management is capable but can be overwhelming; reviewers praise large onboard profile capacity while noting the profile system can become complex.

Product 2: Corsair K70 Core
2.5

Profile management was a weakness in the cited reviews, mainly because software and onboard profiles could be awkward or disconnected.

reliability
Product 1: Corsair K100 RGB
3.8

Reliability is mixed: optical switches are praised for avoiding chatter and missed inputs, but one reviewer experienced keyboard freezing and shutoff.

Product 2: Corsair K70 Core
3.3

Reliability evidence was split between positive long-term/no-issue impressions and one severe switch-chatter complaint.

RGB customization
Product 1: Corsair K100 RGB
4.8

RGB customization is considered extensive, with praise for per-key control, many lighting zones, and deep reworking options, though software complexity can slow the process.

Product 2: Corsair K70 Core
4.7

RGB customization was a major positive, with reviewers highlighting deep iCUE control, effects, per-zone options, and ecosystem integration.

RGB lighting quality
Product 1: Corsair K100 RGB
4.6

RGB lighting quality is one of the most consistently praised areas, with reviewers calling it vibrant, bright, clear, excellent, and visually premium.

Product 2: Corsair K70 Core
4.4

RGB lighting quality was widely praised as bright, uniform, crisp, or attractive, though one reviewer noticed inconsistent shine-through on some keys.

size and form factor
Product 1: Corsair K100 RGB
2.3

Size and form factor are a limitation for reviewers who describe the K100 as large, full-size, and demanding of desk space.

Product 2: Corsair K70 Core
3.3

The full-size form factor pleased some users but was also criticized for taking up desk space and not fitting every setup.

software quality
Product 1: Corsair K100 RGB
3.1

Software quality is the most divisive area, combining deep iCue functionality with repeated complaints about clunkiness, confusing workflows, and tedious setup.

Product 2: Corsair K70 Core
3.6

Software quality was mixed: iCUE was powerful and sometimes easy, but several reviewers called it convoluted, complicated, or difficult for newcomers.

sound dampening
Product 1: Corsair K100 RGB
4.9

Sound dampening is praised most strongly by KitGuru, which finds the K100 noticeably more muted and less resonant than its predecessor.

Product 2: Corsair K70 Core
4.6

Sound dampening was one of the most consistently praised attributes, with foam layers credited for lower ping, quieter typing, and better acoustics.

stabilizer quality
Product 1: Corsair K100 RGB
4.3

Stabilizer quality is viewed as improved, with praise for better sound and less rattle, though one reviewer still found some wobble and rattling.

Product 2: Corsair K70 Core
4.1

Stabilizers and the spacebar were mostly praised for reduced rattle and good tuning, though one reviewer still wanted more lube.

switch feel
Product 1: Corsair K100 RGB
4.6

Reviewers consistently describe the OPX or Speed linear switches as fast, smooth, and satisfying, though a few note the sensitivity takes adjustment and the feel is not for everyone.

Product 2: Corsair K70 Core
4.2

Reviewers generally liked the pre-lubed linear switch feel, often calling it smooth or buttery, though a few criticized gumminess, sluggishness, stiffness, or reliability.

switch options
Product 1: Corsair K100 RGB
2.0

Switch choice is viewed as limited because reviewers mention OPX and Cherry MX Speed variants, while one reviewer explicitly disliked the lack of a tactile option.

Product 2: Corsair K70 Core
2.0

Switch choice is limited: reviewers noted buyers effectively get Corsair Red linear switches, with no tactile or clicky options for different preferences.

typing comfort
Product 1: Corsair K100 RGB
3.3

Typing comfort is mixed: some find the K100 comfortable after adjustment, while others call the sensitive switches unforgiving or not for all typists.

Product 2: Corsair K70 Core
4.8

Typing comfort was strongly positive where discussed, with reviewers describing the board as comfortable or useful for long work sessions.

typing feel
Product 1: Corsair K100 RGB
4.4

Typing feel is generally strong once acclimated, with praise for fewer typos and satisfying keys, though PCMag initially found the keys uncomfortable.

Product 2: Corsair K70 Core
4.6

Typing feel is the strongest consensus win, with most reviewers praising smooth, quiet, satisfying typing despite a few reservations about sluggishness or stiffness.

value for money
Product 1: Corsair K100 RGB
3.3

Value for money is highly conditional: reviewers like the premium feature set but repeatedly warn that the high price only makes sense if the extras are used.

Product 2: Corsair K70 Core
4.3

Value for money was widely praised around the $100/£90 class, though a few reviewers felt feature cuts or market competition weakened the deal.

volume control
Product 1: Corsair K100 RGB
4.5

The volume wheel is a highlight, repeatedly praised for smoothness, premium feel, strong resistance, and better feel than some competitors.

Product 2: Corsair K70 Core
3.7

Volume control was generally useful through the dial, though some reviewers found the dial resistive or unreliable at fast scrolling.

wireless performance
Product 1: Corsair K100 RGB
No score yet
Product 2: Corsair K70 Core
4.0

Wireless performance evidence came from the TKL Wireless review, which noted the wireless mode could exceed wired polling, though the gain was small.

wrist rest quality
Product 1: Corsair K100 RGB
4.6

The wrist rest is broadly praised as comfortable, cushioned, magnetic, and much improved over earlier Corsair rests, with only minor firmness or branding complaints.

Product 2: Corsair K70 Core
3.0

Wrist rest quality was the most divided comfort issue: some found it supportive or comfortable, while many disliked the hard, rough texture.