When comparing Kinesis Advantage2 vs Microsoft Sculpt Ergonomic Keyboard, the Slant community recommends Kinesis Advantage2 for most people. In the question“What are the best keyboards for programming?” Kinesis Advantage2 is ranked 8th while Microsoft Sculpt Ergonomic Keyboard is ranked 21st. The most important reason people chose Kinesis Advantage2 is:
Having multiple keys under the thumbs lets you keep the rest of your hands still, and helps prevent reaching. For example, the backspace key on a regular keyboard is way in the top right corner, while on the Kinesis keyboard it's under the left thumb. So, to hit the backspace button you just need to move your thumb while on regular keyboards you need to move your whole right hand and stretch your pinky to reach it.
Specs
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Pros
Pro Clusters of keys under each thumb means less reaching
Having multiple keys under the thumbs lets you keep the rest of your hands still, and helps prevent reaching. For example, the backspace key on a regular keyboard is way in the top right corner, while on the Kinesis keyboard it's under the left thumb. So, to hit the backspace button you just need to move your thumb while on regular keyboards you need to move your whole right hand and stretch your pinky to reach it.
Pro Optimised, ergonomic shape that significantly reduces the risk of RSI
This keyboard is sculpted to fit the curvature of your hand more naturally than regular flat boards. This helps reduce the risks of suffering repetitive strain injuries.
Pro No need to constantly move hands sideways
One of this keyboard's best features is that the keys are vertically aligned in straight columns, so that you're not constantly exercising the muscles to move your fingers slightly to the left or to the right. It makes a huge difference.
Pro Comfortable palm rests
The large, raised palm rests provide comfort while typing.
Pro Prepared for macOS, Windows and Linux
Besides the option of easily changing between pre-programmed layouts of these 3 systems, extra OS-specific keycaps come with the keyboard.
Pro Very programmable
This keyboard has several programmable options, like Macro recording, key remapping or keyboard layout (the keyboard can be changed from QWERTY to Dvorak with the touch of a button).
Pro No undesirable movements
Because of its size, this keyboard stands firmly on the desk and doesn't suffer from unwanted movement during use.
Pro Dvorak built in
The keyboard has the dvorak layout built in, so you can switch with a keypress.
Pro Tweaked layout that saves your hands
This keyboard has numerous ergonomic advantages over a keyboard with a standard layout. Some of them are obvious and some are subtle, but they are synergistic and result in a typing experience that places far less stress on the hands. Learning a tweaked keyboard layout is a small price to pay to avoid RSI (repetitive strain injury).
Pro No thumb conflict over the spacebar
On common keyboards, both thumbs rest over the spacebar, meaning they can knock against each other. On the Advantage 2 keyboard, only one thumb can press the keyboard, eliminating this problem.
Pro Good for learning how to touch type
This layout, because of its uniqueness, is perfect to learn touch typing. Even for those that were never able to learn it with common keyboards. It still requires practice to get proficient, of course.
Pro Ergonomically shaped
Our hands naturally rest angled when in front of us, and this keyboard has been built to conform to that, rather than having us awkwardly trying to straighten our hands on a regular flat keyboard, putting strain on our wrists. The keyboard is also curved into a dome shape, which contributes to its ergonomic shape.
Pro Quiet
Thanks to the scissor switches used, this keyboard is very quiet.
Pro Low impact keys
The Sculpt's keys absorb impact quite well, avoiding injuries related to repetitive movements.
Pro Cushioned palm rest
This keyboard has a comfortable, cushioned palm rest.
Pro Clean look and flexible positioning due to wireless connection
This keyboard connects wirelessly to the computer. This offers many benefits, such as a clean, tidy look (no cable mess) or a flexible positioning (greater use range). On top of that, it doesn't occupy one of the ports.
Pro Number pad can be placed where it is more convenient
Since the number pad is a separate part from the main keyboard, its position can adjusted and it can be moved out of the way when it isn't being used. This allows for a more ergonomic mouse use, since it can be placed closer to the keyboard, just like in a tenkeyless design.
Pro Very comfortable
Using this keyboard with vim bindings you can sometimes nearly forget there's a keyboard between you and the editor.
Pro Slider switch for special functions
Rather than the usual Fn key that needs to be pressed in combination with other keys to activate said key's secondary functions, the Sculpt has a slider switch that does this. This makes it easier to default to those functions.
Cons
Con Can be a bit flakey at times
The downside of this keyboard is that it can occasionally act up. The biggest problem is that the up-event for a key occasionally gets lost and then some key will auto-repeat until you press it again. Or even worse, it's a key that has no visible effect like an Alt key, and then you have to figure out which key it is that is in the virtual down position, and press it again. It has had this same problem for the last 20 years. You learn to live with it for the sake of your hands.
Con Not great for gaming
This keyboard is amazing for typing, but not great for gaming. Many games make intensive keys such as the Arrow keys or the Alt, Control and Shift keys. With this keyboard, it's not very comfortable to use them so frequently.
Con Proficiency means overcoming a learning curve
Becoming an expert at using this keyboard’s optimized design needs time and patience, since it’s so different from what most people are used to. Some of its drastic layout changes can be disorienting at first. For example, the four arrow keys are separated: up and down on the right side cluster; left and right on the left side cluster.
It’s also built to enforce healthier hand posture and movements, that may feel weird at first. For instance, the keyboard trains you (using a deactivatable key feedback) to press keys smoothly instead of smashing down, which reduces hand strain. Usually, it takes between two to four weeks of regular use to feel completely comfortable at using this keyboard.
Con Not for heavy shortcut users
Con Different switches for the function keys
The functions keys are not build with the same switches than the other keys: they use Cherry ML switches instead of Cherry MX Brown switches. Because of their shorter travel distance, the ML feels quite different. It's awkward to have such different sensations for different parts of the keyboard.
Con Quite bulky, therefore not very portable
As a direct consequence of its unconventional ergonomic shape, the Advantage2 is quite bulky. At 16.5 in’ x 8 in’ x 2.88 in’ (419 mm x 203 mm x 73 mm), it's not the most portable keyboard.
Con Functions keys are not easy to use
The function keys are too small.
Con Bad separation of key clusters
The Page Up, Page Down, Home, Insert, End, Delete and Arrow keys are squeezed together, right next to Enter, right Shift and right Control, without any physical barrier/marker to separate the two key clusters. Since this is not an usual layout, it is disorienting for users.
Con Less durable than flat keyboards
Because of its shape and thin design, this keyboard will break more easily than the typical, flat rectangular keyboards. This makes it less portable, unless you're very careful.
Con The key switches used aren't ideal for long typing sessions
The switches used are scissor switches, which are the ones used in many laptops. They provide shallow keystrokes which don't give the same feedback as a mechanical keyboard. These keys need to be bottomed out in order to activate, which creates some strain on your finger's joints as they are constantly hitting the bottom of the stroke. Scissor switches are also known to be less accurate than other keyboards.
Con Some keys aren't very reliable
Some keys (like Backspace or Enter), if not pressed perfectly perpendicularly, hit the shelf of the frame and get blocked on their way down. This means the stroke isn't registered and, on top of that, feels awkward. On the (slightly) bright side, this awkward feel acts as feedback that the key wasn't fully pressed.