Update: Logitech has released the Proteus Spectrum, an updated version of the Proteus Core with full 16.8-million-color RGB backlighting. Aside from the illumination and a few blue highlights on the mouse itself, the Proteus Spectrum is exactly the same as its Core predecessor, right down to the G502 model number and the price.
I don't have a particular recommendation between the two, since they're nearly identical. For those who own other Logitech peripherals, though, it's worth noting that the Proteus Spectrum can sync with the company's RGB gaming products, such as the Orion Spark keyboard and the Atlas Spectrum headset.
It's great to see a company take a nearly perfect product and iron out its last remaining kinks. The Logitech G500s was a top-notch all-purpose gaming mouse, but its successor, the Logitech G502 Proteus Core, surpasses it in every way. In fact, we rate it so highly that we consider it the best gaming mouse overall.
The Proteus Core makes smart design choices at every possible opportunity, offering a comfortable experience for players who use a palm grip and an exceptional one for players who use a claw grip.
The mouse itself is rather small and low in profile. Both the small thumb rest and the grip for the two outermost fingers are textured, providing both stability and a pleasant tactile sensation.
With 11 programmable buttons, the Proteus Core is neither minimalist nor excessive. The peripheral has a left mouse button, a right mouse button, a scroll wheel that clicks in three directions, two dots-per-inch (DPI) sensitivity buttons near the top, one button below the scroll wheel and three thumb buttons. There is also a nonprogrammable button beneath the scroll wheel that adjusts the wheel's friction.
When Tom's Guide reviewed the G500s, one of our biggest complaints was that the scroll wheel felt loose and flimsy, even when we pressed the button to give it additional resistance. Logitech has addressed this concern on the Proteus Core. The free-scrolling mode is still available, but the scroll wheel becomes rock-solid upon pressing the button, with resistance to spare. Its ridged design is both comfortable and effective.
Otherwise, Logitech arranged the buttons on the Proteus Core in a very smart layout. The thumb buttons are large and distinctive, and the lowest one is ideally situated for a "sniper" button that lowers DPI — a useful feature in first-person shooters. The DPI buttons, located next to the left mouse button, are both remote enough to stay out of the way and large enough to press easily without looking.
Palm players with large hands may find the Proteus Core a bit small for their tastes. Otherwise, it's hard to see how Logitech could have devised a better all-purpose gaming mouse design.
The Proteus Core runs on the same Logitech Gaming Software as all other modern Logitech mice. While this software lagged behind the comparable Razer Synapse software a few months ago, it has really come into its own in the interim.
The Proteus Core can store three profiles internally, or a virtually unlimited number of profiles on a computer. One of the best features of the Logitech software is its ability to scan your PC, determine which games you have installed and automatically create profiles for them.
From there, customizing the profiles is simple. Simply click on a command (the profiles use game-specific commands, such as Grapnel Gun for "Batman: Arkham City" or Attack-Move for "StarCraft II") and drag it onto the desired button. The software will automatically apply the profile as soon as the game launches.
Users can also create macros, control the mouse's illumination and adjust the DPI range. The mouse ranges from 200 up to an unprecedented 12,000. Out of curiosity, we tried the 12,000 DPI, and found it far too sensitive to be of much use. Even so, the option to even go that high is something users won't find in any other gaming mouse.
The Proteus Core boasts two other innovative features: a surface-testing capability and an adjustable weight system. By testing the surface you use for the Proteus Core, users can optimize anything from a high-end mouse pad to a sheet of paper. (We tried both, as well as a standard office desk, with impressive results.)
The G500s had adjustable weights, but the Proteus Core refines this feature. Rather than an ejectable canister as on the G500s, the Proteus Core has a magnetic door on its underside, hiding spots for five 3.6-gram weights. Gamers select not only how much weight to add, but where to add it. This provides very granular control over the feel of the mouse, as adding weight to the center of the mouse can feel very different from adding it to the back.
Thanks to the Proteus Core's large, sensibly spaced buttons, the mouse does a good job of controlling games from just about any genre. We tried it with "BioShock Infinite," "StarCraft II," "Batman: Arkham City" and "World of Warcraft," and found it equally suited to first-person shooter (FPS), real-time strategy, action/adventure and massively multiplayer online (MMO) games.
In each game, we found the Proteus Core to be responsive, accurate and precise. The extra buttons were helpful, but never overbearing. Assigning skills to the thumb buttons, such as crouching in "BioShock Infinite," selecting whole groups of soldiers in "StarCraft II" or grappling from point to point in "Batman: Arkham City" left our left hand free to focus almost entirely on movement.
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The one genre to which the Proteus Core may not be suited at high levels of play is MMO. We found that the Proteus Core worked extremely well with "World of Warcraft," and assigning our most frequent skills to the thumb button was extremely convenient. That said, hardcore endgame players may find a dedicated MMO mouse with rows upon rows of buttons, such as the Logitech G600, suits their needs better.
The Proteus Core has no appreciable liftoff range and moderately good Z-axis tracking. Picking up the mouse and replacing it causes the cursor to move somewhat, but not enough to interrupt anything but the most demanding tournament-level play.
Logitech took the already-excellent G500s and remedied its few flaws, leaving a product that's both more streamlined and more robust. If you have very specific needs — such as tournament-level FPS play or endgame MMO content — the Proteus Core may prove passable. For anyone else, it's hard to imagine a better generalist gaming mouse. Mouse manufacturers, take note: The Proteus Core is the standard to beat.
Laser Depth: 1.5 mm
DPI: 200 – 12,000
Size: 130 x 76 x 38 mm
Weight: 164 g (Adjustable)
Grip Type: Palm/Claw
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From there, customizing the profiles is simple. Simply click on a command (the profiles use game-specific commands, such as Grapnel Gun for "Batman: Arkham City" or Attack-Move for "StarCraft II") and drag it onto the desired button. The software will automatically apply the profile as soon as the game launches."
I own this mouse and I cannot find the above quoted options for the G502 in the Logitech software. I CAN find it when I change over to my Logitech G15 keyboard.... but that is a different piece of hardware. I would like to see these profiles to be able to customize them for the mouse... other than the the three built in profiles to be modified.
I feel as if this information from Tom's Hardware was incorrect and misleading. It may have been referring to a different piece of hardware other than the G502 mouse within the Logitech Gaming Software (such as a keyboard) or simply referring to the overall capability of the Logitech Gaming Software directly, which these particular options appears to not be available/compatible on the G502 mouse within the software.
However, I would gladly eat those words if someone (or Tom's Hardware) could explain to me where I can configure my mouse in the Logitech software as described in the above quote as I already understand how to modify the 3 built in profiles.
The review seems to be slightly misleading in this one area as for the reason of my post. Truthfully, it's an amazing mouse with some kickass features and I love it so far. If you wait for it to go on sale, you can get a great deal too!
For anyone else who might want to know... It's under the Home option for your mouse. Then you have to manually select "On-Board Memory" or "Automatic Game Detection". It automatically defaults to the "On-Board Memory" option when the software is installed and I somehow overlooked that manual (digital) switch for the past few months.... *sigh*. At least I learned something new to make my mouse even better!!
I'm going to go sit over in the corner now with my dunce hat on.