When comparing Logitech Wireless Illuminated Keyboard K800 vs Corsair Vengeance K70 RGB, the Slant community recommends Corsair Vengeance K70 RGB for most people. In the question“What are the best gaming keyboards?” Corsair Vengeance K70 RGB is ranked 1st while Logitech Wireless Illuminated Keyboard K800 is ranked 12th. The most important reason people chose Corsair Vengeance K70 RGB is:
The K70 uses Cherry MX Red key switches, which deliver a smooth, linear key response with a wide actuation zone. They have the responsiveness you need for perfectly executing double and triple taps, and there’s no audible click or tactile “bump.”
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Pros
Pro Back-lit keys great for typing in dark
What makes the backlighting of this keyboard so great, is that only the symbols are illuminated, making it very easy to discern each individual letter or number in the dark. Moreover, the brigthness of the illumination is adjusted automatically, depending on the lighting conditions in your room (although you can also change it manually).
Pro Very quiet
The keys hardly make any noise as you press them.
Pro Seamless integration with Windows
The keyboard works right out of the box with Windows XP, Vista, 7, 8, and 10. The drivers are automatically installed when you plug it into the computer, and it only takes a few minutes.
Pro Very comfortable
The keys have an ergonomic shape: they are rounded and slightly concave. The force is distributed evenly across the surface of each key as you press it, making the typing go smoothly and effortlessly.
Pro You don't have to buy new batteries all the time
This keyboard has a rechargable accumulator as opposed to disposable batteries that require regular replacement. One charge lasts for 10 full days of use.
Pro Unified receiver
Logitech's wireless peripherals use a unified receiver where many devices can be used on one receiver. This makes for an easy way to use a Logitech wireless mouse, keyboard, etc without having to have numerous USB receiver plugged into the device.
Pro Keyboard illumination control on the keyboard itself
There is an on off switch on the keyboard that allows the user to turn off the backlight illumination of the keyboard. This is a lot easier than using software on the PC as it is more accessible, especially if the screen is off.
Pro First-class mechanical switches
The K70 uses Cherry MX Red key switches, which deliver a smooth, linear key response with a wide actuation zone. They have the responsiveness you need for perfectly executing double and triple taps, and there’s no audible click or tactile “bump.”
Pro 16.8 million color backlighting
The Vengeances K70 RGB has a 16.8 color backlighting system that allows for so many color customization options that the possibilities are most likely endless.
Pro Special keys are textured
Special keys are of textured, red colors, which facilitates access to common functions without looking at the keyboard (for example, numbers 1 through 6, and WASD keys).
Pro Easy to clean and replace keys
Thanks to an included small wrench, that can be used to remove and replace the keys, the K70 is easy to partially disassemble and clean.
Pro Real hand scale
The size of the keys is ideal for standard to bigger sized hands.
Cons
Con Heavy
Total weight of this keyboard is 48 ounces, much more than the average 8.8 ounces for a similiarly-sized device. This is due to the built-in rechargeable battery.
Con Not for gamers
This keyboard works great for office work or casual gaming, but it's not recommended for competitive gamers. It's not meant to deal with the same amount of wear as a mechanical keyboard.
Con Feels cheap
There is a good bit of flex to the keyboard, which makes it feel flimsy and cheap.
Con Software is difficult to figure out
The CUE software the is needed to program the backlighting and keys is difficult to understand, making customizing the keyboard a cumbersome chore.