When comparing Mionix Castor vs Logitech G303, the Slant community recommends Logitech G303 for most people. In the question“What is the best gaming mouse?” Logitech G303 is ranked 14th while Mionix Castor is ranked 36th. The most important reason people chose Logitech G303 is:
The G303, along with the Logitech G502 and G900 and the Corsair M65 PRO RGB, has the single best sensor on the market, the Pixart PMW3366. This sensor has no acceleration or angle snapping that can't be disabled and has a native DPI of 12,000.
Specs
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Pros
Pro Excellent accuracy
Castor has the highly accurate Avago 3310 optical sensor. There's no angle snapping, hardware acceleration or jitter. It's virtually flawless.
Pro Solid build quality
It has a solid build quality. The coating feels nice, and the mouse feels strong in hand. It's specifically designed for right-handed people. The 2 metre braided cable is light and very flexible.
Pro Customizeable lights
The glowing colors can be set to any color you like, using the software. You can also give the lights different blinking effects.
Pro Adjustable lift-off distance
You can change the lift-off distance based on your playstyle.
Pro Great software
Bug-free and easy to use software. It's an executable file, which doesn't even need installing. It has 5 profiles, color customization, macro settings and more.
Pro Excellent sensor
The G303, along with the Logitech G502 and G900 and the Corsair M65 PRO RGB, has the single best sensor on the market, the Pixart PMW3366. This sensor has no acceleration or angle snapping that can't be disabled and has a native DPI of 12,000.
Pro Compact size gaming mouse
People with small hands needn't look at mice like the Corsair M65 gaming mouse and despair. The G303 gaming mouse has a solution. It's about the size of the $5 USB mice that are often bundled with desktop computers, but it has most of the features of a full-size gaming mouse.
Pro Comfortable
Logitech G303 is very comfortable if you have medium to small hands, and if you are using your mouse with claw or fingertip grip.
Pro Accessible price
The G303 gaming mouse has an MSRP of $49.99, but it goes on sale rather frequently for as low as $24.99. Compared to high-end gaming mice like the Rival 700 and the G502, that's quite a steal.
Pro RGB lighting
It glows. You can change the colors. There isn't much more to say, except that it will fit in with basically any setup that uses black devices with colored lights.
Cons
Con Rubber pad attracts dust
The rubber coated pad on the left side gets dusty very fast.
Con Build quality not the best
Scrolling wheel sometimes makes cranking noises while you are scrolling through it. If you tighten the mouse from the sides, the cheap plastic will make a noise.
Con A minimum selection of buttons
The Logitech G303 only has one controllable button on the top, two buttons on the side and a programmable mousewheel. The mouse offers six different buttons if you include left- and right-click.