Keyboards / Compare
CORSAIR K70 CORE RGB vs Razer BlackWidow V4 X
Product A: CORSAIR
72 of 164 known
Change CORSAIR K70 CORE RGB
Compare the Razer BlackWidow V4 X with
Product B: Razer
69 of 164 known
Change Razer BlackWidow V4 X
Compare the CORSAIR K70 CORE RGB with
41 of 156 fields differ
- 24 different values
- 17 known for one only
- 34 the same
- 81 missing for both
Biggest differences
Each bar uses the scale of all 131 keyboards.
- Rated keystrokesA: 70millionB: 100millionRazer is 30 million higher.
Weight
0 to 2,000 g
Keyboard weight
A934g
B1,087g
All 164 fields
Every value links to where we found it.
General
6 of 9 differ
Series
Model numbers
CH-910971E-NA, CH-910971E-UK, CH-910971E-DE, CH-910971E-FR, CH-910971E-IT, CH-910971E-ES, CH-910971E-JP, CH-910971E-KR2, CH-910971E-TW, CH-910971E-BR, CH-910971E-CN, CH-910971E-SP, CH-910991E-NA, CH-9109D1E-NA1Maker product pagecorsair.com/us/en/p/gaming-keyboards/ch-910971e-na/k70-core-rgb-mechanical-gaming-keyboard-black-ch-910971e-naRead 11 October 2026US store SKU CH-910971E-NA is the black model without palm rest. The store variant list adds CH-910991E-NA in Steel Gray and CH-9109D1E-NA, the K70 CORE SE in White with palm rest. Regional black part numbers come from the store's regional SKU list.
RZ03-0470, RZ03-04700200-R3U1, RZ03-04701900-R3U15Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04700200-R3U1Read 23 October 2026
GTIN / EAN
Not available
Announced
Status
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (US)
Launch price (EU)
Markets
US, CA, GB, DE, FR, IT, ES, JP, KR, TW, BR, CN, MX1Maker product pagecorsair.com/us/en/p/gaming-keyboards/ch-910971e-na/k70-core-rgb-mechanical-gaming-keyboard-black-ch-910971e-naRead 11 October 2026
Not available
Colours
Segment
Layout
5 of 12 differ
Form factor
Layout standard
Regional layouts
NA (North America), UK (UK), DE (Germany), FR (France), IT (Italy), ES (Spain), JP (Japan), KR2 (Korea), TW (Taiwan), BR (Brazil), CN (China), SP (Mexico)1Maker product pagecorsair.com/us/en/p/gaming-keyboards/ch-910971e-na/k70-core-rgb-mechanical-gaming-keyboard-black-ch-910971e-naRead 11 October 2026Maker names the layouts by code: NA is North American Layout.
Keys in regional layout
Not available
Key legends for
Not available
Numpad
Function row
Dedicated arrow keys
Navigation keys
Key stagger
Not available
Bottom row
Not available
Not available
Low profile
Not available
Not available
Switches
9 of 25 differ
Switch sensing technology
Switch feel
Switch maker
Switch models
Razer Green Mechanical Switches Gen-3, Razer Yellow Mechanical Switches Gen-31Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-xRead 23 October 2026Standard Black model is sold with Green Clicky and Yellow Linear switches. Licensed color editions are not separately cataloged.
Switch stem
Actuation force
45 to 50gf4Press releaserazer.com/newsroom/product-news/blackwidow-v4-and-blackwidow-v4-xRead 23 October 20265Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04700200-R3U1Read 23 October 20266Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04701900-R3U1Read 23 October 20267Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 23 October 2026
Bottom-out force
Not available
Not available
Tactile bump force
Not available
Not available
Actuation point
1.2 to 1.9mm4Press releaserazer.com/newsroom/product-news/blackwidow-v4-and-blackwidow-v4-xRead 23 October 20265Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04700200-R3U1Read 23 October 20266Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04701900-R3U1Read 23 October 20267Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 23 October 2026
Total travel
3.5 to 4mm4Press releaserazer.com/newsroom/product-news/blackwidow-v4-and-blackwidow-v4-xRead 23 October 20265Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04700200-R3U1Read 23 October 20266Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04701900-R3U1Read 23 October 20267Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 23 October 2026
Rated keystrokes
Factory-lubed switches
Not available
Adjustable actuation
Not available
Not available
Actuation range
Not available
Not available
Actuation step
Not available
Not available
Per-key actuation
Not available
Not available
Rapid trigger
Not available
Not available
Minimum rapid trigger movement
Not available
Not available
Multi-action keys
Not available
Not available
SOCD handling
Analog input
Not available
Not available
Hot-swap sockets
Compatible switches
Not available
Not available
Stabilizers
Not available
Not available
Factory-lubed stabilizers
Not available
Keycaps
0 of 5 differ
Keycap material
Legend method
Doubleshot1Maker product pagecorsair.com/us/en/p/gaming-keyboards/ch-910971e-na/k70-core-rgb-mechanical-gaming-keyboard-black-ch-910971e-naRead 11 October 20267Reviewkitguru.net/peripherals/mat-mynett/corsair-k70-core-keyboard-reviewRead 11 October 2026Specification list: keycaps for the NA layout are ABS double shot and keycaps for non-NA layouts are ABS paint. Stored as printed for the non-NA layouts.
Keycap profile
Not available
Not available
Keycap thickness
Not available
Not available
Performance
1 of 11 differ
Polling rate per connection
ACORSAIR K70 CORE RGB
| Connection | Polling rate (Hz) |
|---|---|
| USB (wired) | 1,000 |
BRazer BlackWidow V4 X
| Connection | Polling rate (Hz) |
|---|---|
| USB (wired) | 1,000 |
Max polling rate
1,000Hz
1,000Hz
Polling rate (wired)
1,000Hz
1,000Hz
Polling rate (2.4 GHz)
Not available
Not available
Polling rate (Bluetooth)
Not available
Not available
Scan rate
Not available
Not available
Input latency (claimed)
Not available
Not available
Key rollover per connection
ACORSAIR K70 CORE RGB
| Connection | Rollover |
|---|---|
| USB (wired) | NKRO |
BRazer BlackWidow V4 X
Not availableAnti-ghosting
Yes1Maker product pagecorsair.com/us/en/p/gaming-keyboards/ch-910971e-na/k70-core-rgb-mechanical-gaming-keyboard-black-ch-910971e-naRead 11 October 20262Maker product pagecorsair.com/us/en/explorer/gamer/keyboards/corsair-k70-core-rgb-everything-you-need-to-knowRead 11 October 2026Full key rollover (NKRO) with 100% anti-ghosting.
Adjustable debounce
Not available
Not available
Minimum debounce
Not available
Not available
Measured
None of 7 known
Latency per connection (measured)
Not available
Not available
Actuation point (measured)
Not available
Not available
Total travel (measured)
Not available
Not available
Operating force (measured)
Not available
Not available
Typing noise (measured)
Not available
Not available
Battery life (measured)
Not available
Not available
Weight (measured)
Not available
Not available
Connectivity
4 of 18 differ
Connections
Wireless technology
Not available
Not available
Bluetooth
Not available
Not available
Bluetooth device slots
Not available
Not available
Devices it can switch between
Not available
Not available
Device switching
Not available
Not available
Receiver connector
Not available
Not available
Receiver storage in keyboard
Not available
Not available
Receiver shared with other devices
Not available
Not available
Wireless range
Not available
Not available
Detachable cable
No5Reviewtomshardware.com/reviews/corsair-k70-core-rgbRead 11 October 2026Review: the K70 Core RGB does not have a detachable cable. It has a fixed six-foot rubber cable.6Reviewpcgamesn.com/corsair/k70-core-reviewRead 11 October 2026Review: the cable is permanently attached. A broken cable effectively means a broken keyboard.
Port on keyboard
Cable plug
Cable
USB passthrough
Works with
Not available
Battery
None of 16 known
Battery type
Not available
Not available
Number of batteries
Not available
Not available
Battery capacity
Not available
Not available
User-replaceable battery
Not available
Not available
Battery life per mode (claimed)
Not available
Not available
Longest battery life (claimed)
Not available
Not available
Battery life, lighting off
Not available
Not available
Battery life, lighting on
Not available
Not available
Battery life, backlight on (claimed)
Not available
Not available
Battery life, backlight off (claimed)
Not available
Not available
Charging port
Not available
Not available
Full charge time
Not available
Not available
Quick charge
Not available
Not available
Use while charging
Not available
Not available
Solar charging
Not available
Not available
Battery indicator
Not available
Not available
Build
2 of 8 differ
Case material
Aluminium top plate, plastic bottom case2Maker product pagecorsair.com/us/en/explorer/gamer/keyboards/corsair-k70-core-rgb-everything-you-need-to-knowRead 11 October 2026Aluminum top plate and a plastic bottom case.
5052 aluminum alloy top case and plastic bottom case2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 20268Reviewarabgamerz.com/reviews/razer-blackwidow-v4-x-reviewRead 23 October 2026Exact review identifies aluminum upper and plastic lower case. Maker manual identifies 5052 alloy upper.
Plate material
Not available
Not available
Mount style
Not available
Not available
Flex cuts in PCB
Not available
Not available
Sound dampening
Typing angles
Not available
Not available
Spill resistant
Not available
Not available
IP rating
Not available
Not available
Lighting
3 of 7 differ
Backlight
LED position
Not available
Lighting zones
Not available
Not available
Brightness levels
Not available
Side or underglow lighting
Not available
Not available
Lighting sensors
Not available
Not available
Controls
5 of 12 differ
Media keys
Separate media buttons
Not available
Volume control
Knobs
Programmable knob
Not available
Not available
Knob press
Not available
Separate macro keys
Not available
Built-in screen
Not available
Not available
Touchpad
Not available
Not available
Fingerprint reader
Not available
Not available
OS mode switch
Not available
Not available
Windows key lock
Software
3 of 10 differ
Software
Software runs on
Open firmware
Not available
Not available
Onboard memory
Onboard profiles
Macros
Yes1Maker product pagecorsair.com/us/en/p/gaming-keyboards/ch-910971e-na/k70-core-rgb-mechanical-gaming-keyboard-black-ch-910971e-naRead 11 October 20264Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/k70-coreRead 11 October 2026iCUE gives complete control from lighting to powerful macros.5Reviewtomshardware.com/reviews/corsair-k70-core-rgbRead 11 October 2026iCUE records macros.
Macros stored onboard
Not available
Not available
Key remapping
Yes1Maker product pagecorsair.com/us/en/p/gaming-keyboards/ch-910971e-na/k70-core-rgb-mechanical-gaming-keyboard-black-ch-910971e-naRead 11 October 20264Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/k70-coreRead 11 October 2026Keys and the media button can be customized in iCUE. Tom's Hardware says iCUE remaps keys.5Reviewtomshardware.com/reviews/corsair-k70-core-rgbRead 11 October 2026iCUE remaps keys, adjusts lighting and records macros.
User firmware updates
Ergonomics
0 of 4 differ
Wrist rest
Wrist rest material
Not available
Not available
Tenting
Not available
Not available
Tenting angles
Not available
Not available
Dimensions and weight
2 of 6 differ
Dimensions
Width448Depth153Height35.4mm(17.6 × 6 × 1.4 in)2Maker product pagecorsair.com/us/en/explorer/gamer/keyboards/corsair-k70-core-rgb-everything-you-need-to-knowRead 11 October 2026448(L) x 153(W) x 35.4(H) mm.
Dimensions with wrist rest
Not available
Not available
Keyboard weight
Weight including wrist rest
Not available
Not available
Box dimensions
Not available
Not available
Box weight
Not available
Not available
Certifications
None of 2 known
Platform certifications
Not available
Not available
Other certifications
Not available
Not available
In the box
1 of 3 differ
In the box
Not available
Razer BlackWidow V4 X, Important Product Information Guide2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026Printed page 3 lists keyboard and Important Product Information Guide. Fixed cable is part of keyboard.
Cables included
Not available
Not available
Spare switches
Not available
Not available
Links
Not compared
Product page
Spec sheet
Not available
Manual
EPREL registration number
Not available
Not available
Warranty
0 of 1 differ
Manufacturer warranty (source market)
2years1Maker product pagecorsair.com/us/en/p/gaming-keyboards/ch-910971e-na/k70-core-rgb-mechanical-gaming-keyboard-black-ch-910971e-naRead 11 October 20262Maker product pagecorsair.com/us/en/explorer/gamer/keyboards/corsair-k70-core-rgb-everything-you-need-to-knowRead 11 October 2026Two years. Local country regulations are applicable.
Both are also in the API. Back to all keyboards.