Keyboards / Compare
CORSAIR K70 CORE RGB vs Razer BlackWidow V4 Low-profile HyperSpeed
Product A: CORSAIR
72 of 164 known
Change CORSAIR K70 CORE RGB
Compare the Razer BlackWidow V4 Low-profile HyperSpeed with
Product B: Razer
BlackWidow V4 Low-profile HyperSpeed
89 of 164 known
Change Razer BlackWidow V4 Low-profile HyperSpeed
Compare the CORSAIR K70 CORE RGB with
69 of 156 fields differ
- 33 different values
- 36 known for one only
- 26 the same
- 61 missing for both
Biggest differences
Each bar uses the scale of all 131 keyboards.
- Max polling rateA: 1,000HzB: 4,000HzRazer is 4 times higher.
- Rated keystrokesA: 70millionB: 60millionCORSAIR is 10 million higher.
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.
GTIN / EAN
Not available
Announced
Status
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (US)
Launch price (EU)
Not available
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
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
Key legends for
Not available
Numpad
Function row
Dedicated arrow keys
Navigation keys
Key stagger
Not available
Bottom row
Not available
Not available
Switches
11 of 25 differ
Switch sensing technology
Switch feel
Switch maker
Switch models
Razer Low-profile Green Clicky Mechanical Switch3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeedRead 8 October 2026
Switch stem
Actuation force
Bottom-out force
Not available
Not available
Tactile bump force
Not available
Not available
Actuation point
Total travel
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
Factory-lubed stabilizers
Not available
Keycaps
2 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 thickness
Not available
Not available
Performance
5 of 11 differ
Polling rate per connection
ACORSAIR K70 CORE RGB
| Connection | Polling rate (Hz) |
|---|---|
| USB (wired) | 1,000 |
BRazer BlackWidow V4 Low-profile HyperSpeed
| Connection | Polling rate (Hz) | Receiver or adapter |
|---|---|---|
| 2.4 GHz | 1,000 | Included Razer HyperSpeed Wireless dongle |
| 2.4 GHz | 4,000 | Optional Razer HyperPolling Wireless Dongle |
Max polling rate
1,000Hz
4,000Hz
Polling rate (wired)
1,000Hz
Not available
Polling rate (2.4 GHz)
Not available
4,000Hz
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 Low-profile HyperSpeed
| Rollover |
|---|
| NKRO |
Anti-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
13 of 18 differ
Connections
Wireless technology
Not available
Bluetooth
Not available
Not available
Bluetooth device slots
Not available
Devices it can switch between
Not available
Not available
Device switching
Not available
Receiver connector
Not available
Receiver storage in keyboard
Not available
Receiver shared with other devices
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
Battery
7 of 16 differ
Battery type
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)
ACORSAIR K70 CORE RGB
Not availableBRazer BlackWidow V4 Low-profile HyperSpeed
| Lighting | Hours (h) |
|---|---|
| Off | 980 |
Longest battery life (claimed)
Not available
980h
Battery life, lighting off
Not available
980h
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
Full charge time
Not available
Not available
Quick charge
Not available
Not available
Use while charging
Not available
Solar charging
Not available
Not available
Build
4 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 aluminium alloy top case and ABS plastic bottom case1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026
Plate material
Not available
Mount style
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
Lighting sync
Controls
6 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
Not available
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
2 of 3 differ
In the box
Not available
Razer BlackWidow V4 Low-profile HyperSpeed, Razer HyperSpeed Wireless Dongle + USB dongle adapter, USB Type A to Type C cable, Important Product Information Guide2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026Exact-model What is inside section. No optional HyperPolling dongle included.
Cables included
ACORSAIR K70 CORE RGB
Not availableBRazer BlackWidow V4 Low-profile HyperSpeed
| Type | Count |
|---|---|
| USB Type A to USB Type C cable | 1 |
Spare switches
Not available
Not available
Links
Not compared
Product page
Spec sheet
Not available
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.