The Logitech G604 LIGHTSPEED is quite versatile and performs well for a wide range of uses. It's designed for MMO gaming and has a low click latency. It has amazing overall performance, but its shape and features are also well-suited for the office. It has plenty of programmable buttons and is a nice overall improvement over the Logitech G602. However, its long shape may not be suitable for people with smaller hands.
Our Verdict
The Logitech G604 LIGHTSPEED is excellent for the office. This mouse feels very comfortable, especially when using a palm grip. However, people with smaller hands might have trouble reaching all the buttons due to its long shape. On the upside, it has plenty of programmable inputs and you can even unlock the wheel for infinite scrolling, which is very useful in long documents.
- Feels very well-built and amazingly comfortable.
- Excellent performance and easily customizable.
- Connects via Bluetooth or USB receiver.
- Wireless design makes it easier to use in tight spaces.
- Fully compatible with both Windows and macOS.
- Likely too bulky for most laptop cases and bags.
- Not recommended for small hands with any grip type.
The Logitech G604 LIGHTSPEED is decent for FPS games. While the wireless click latency is low, the mouse is quite heavy and isn't ideal for very quick flick shots. It's also not recommended for a fingertip grip. On the upside, it's very comfortable, its performance is excellent, and you can easily customize it to your preference inside the dedicated software.
- Low click latency.
- Feels very well-built and amazingly comfortable.
- Excellent performance and easily customizable.
- Wireless design makes it easier to use in tight spaces.
- Fully compatible with both Windows and macOS.
- Very heavy.
- Can’t be used wired.
- Likely too bulky for most laptop cases and bags.
- Not recommended for small hands with any grip type.
The Logitech G604 LIGHTSPEED is amazing for MMO games. This mouse has plenty of programmable buttons, and you can also set a G-Shift button that triggers another set of commands for as long as you hold it, giving you even more options. Also, its click latency is low. Unfortunately, its body is a bit long, making it hard to use with a fingertip grip or if you have small hands.
- Feels very well-built and amazingly comfortable.
- Outstanding software with many customization options.
- Excellent performance.
- Wireless design makes it easier to use in tight spaces.
- Fully compatible with both Windows and macOS.
- Can’t be used wired.
- Six side buttons isn't as many as most dedicated MMO mice.
- Likely too bulky for most laptop cases and bags.
- Not recommended for small hands with any grip type.
- Wireless design makes it easier to use in tight spaces.
- Fully compatible with both Windows and macOS.
- Likely too bulky for most laptop cases and bags.
Changelog
- Updated Aug 19, 2025: We've converted this review to Test Bench 1.5.1. This update removes less relevant or redundant elements, including several videos. We've also adjusted our Sensor Latency testing, resulting in minor score changes. See our full 1.5.1 changelog for details.
- Updated Jan 05, 2024: We've updated the CPI graph displayed in the Sensor Latency section of this review. Our results remain the same, but these graphs have two new columns with results from the Delay At Half Movement and Delay To End Of Movement tests.
- Updated Nov 24, 2023: We've converted this review to Test Bench 1.5. This update adds a new Main Button test group, which provides button actuation data and switch information. We've also made minor changes to how we calculate the Office usage score. For more details, you can see our full changelog here.
- Updated Dec 09, 2022: We've converted this review to Test Bench 1.4. This update modifies our Hand Size Recommendation test, adding a more granular hand size recommendation chart. We've moved several minor tests into different test groups, removed the Travel usage, and added a new Raw Performance usage. For more details, you can see our full changelog here.
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Differences Between Sizes And Variants
This mouse only comes in black and there are no other variants.
Popular Mouse Comparisons
The Logitech G604 LIGHTSPEED is an amazing and quite versatile mouse that stands out thanks to its comfortable design and impressive performance. It’s one of the few mice that we’ve tested that have both a very wide CPI range and amazing consistency. However, it’s rather bulky and heavy compared to many other gaming mice, and the buttons can feel a bit hard to press. On the plus side, unlike many other manufacturers, Logitech's companion software is compatible with both Windows and macOS, which is great. For more options, see our recommendations for the best gaming mouse, the best wireless gaming mouse, and the best mouse for MMOs. If you're interested in Logitech products, also check out the best Logitech mice.
The wireless Logitech G604 LIGHTSPEED is a better mouse than the wired Logitech G502 HERO, but the G502 is better for gaming. The G604 has more side buttons and is very comfortable to use, while on the other hand, the G502 is slightly better built and features RGB lighting.
The Logitech G604 LIGHTSPEED is a better mouse than its previous version, the Logitech G602. It has overall better performance and is slightly more comfortable to use.
While the G604 uses a single AA battery, the G602 can run on either one o
r two AA batteries.
You can also unlock the scroll wheel on the G604 for infinite scrolling.
The Logitech G604 LIGHTSPEED and the Logitech G502 LIGHTSPEED are both good, versatile mice with the same sensor and a similar ergonomic design with a thumb rest. The G604 is a wireless-only mouse that supports Bluetooth. It has more buttons and programmable inputs. On the other hand, the G502 weighs less and can be used wired or wirelessly, though it doesn't support Bluetooth.
Overall, the Logitech G604 LIGHTSPEED is better than the Logitech G703 LIGHTSPEED with HERO Sensor. However, they're very different mice. The G604 is much heavier, and it has a lot more buttons, making it more suitable for MMO games. It also has a scroll wheel that supports tilt inputs and can be unlocked for infinite scrolling. On the other hand, the G703 is lighter and has weight optimization, and it can be used wired or wirelessly.
Test Results
The Logitech G604 almost looks more like an office mouse than a gaming one. There's a subtle Logitech G logo on the back, and there isn't any RGB lighting. It has an ergonomic design with a thumb rest and alternates between different shades of black. Unfortunately, no other color variants are available.
The Logitech G604 has a great build quality. The mouse wheel wobbles and rattles a bit, but this might be due to its ability to tilt. Other than that, the materials feel solid and you have good latex grips on the top and thumb rest.
The Logitech G604 is very heavy and isn't a great option for fast-paced gaming. There's also no way of significantly reducing its weight apart from using a battery adapter to allow you to use AAA batteries instead of AA batteries, which is how the Lowest Weight test result is obtained. If you're looking for a significantly lighter multi-genre mouse, check out the SteelSeries Aerox 5 Wireless.
This mouse feels very comfortable for right-handed people. The side buttons and thumb rest are on the left side, and the mouse has a slanted design to the right. The thumb buttons are fairly easy to access, although you need to move your thumb upwards for every click as it doesn't rest on any button. The CPI switching buttons are also a bit awkward to use at first since they're on the left-click button.
The Logitech G604 has fantastic wireless connectivity. It can be used via Bluetooth and with the dedicated receiver, and you can switch between those two sources with the single press of a button on top of the mouse. Unfortunately, it uses one AA battery for power, so you'll need to change it eventually.
This mouse can't be used wired and doesn't have any cable included.
Even if the mouse is pretty heavy, the feet are good and glide well on a mousepad and, even better, directly on a desk. There aren’t any extra feet included with the mouse, but you should be able to find some third party replacement ones if needed.
- Logitech G604 LIGHTSPEED mouse
- USB receiver
- USB receiver extender cable
- 1x AA battery
- Manuals
The Logitech G604 has a total of 15 buttons, with six on the left side. The Bluetooth/receiver switch and the wheel lock buttons can't be reprogrammed, but all others can, including the left click, though it’s not easy to reassign it. You can also set a G-Shift button on the mouse to trigger another layer of commands for as long as you press it, ending up with 29 programmable inputs.
The Logitech G604's click latency is low. You won't notice a delay while playing reaction-based or competitive games.
The sensor on the Logitech G604 LIGHTSPEED has a very wide CPI range that's adjustable by increments of 50. The lift-off distance is low enough to ensure that it won’t register any movement while you reposition your mouse, and you can set the polling rate at 125Hz, 250Hz, 500Hz, or 1000Hz.
This mouse's wheel is amazing. It offers great feedback when it's locked and it can also be unlocked for infinite scrolling, which is great when going through very long documents. This mouse also allows for tilt commands, which can be programmed to whatever you want.
The mouse clicks are quiet, and shouldn’t disturb people around you even if you're in a very noise-sensitive environment.
The Logitech G HUB is an impressive piece of software that allows for plenty of customization options and that's compatible with both Windows and macOS. You can set a G-Shift button, which triggers a second set of controls for as long as you hold the set button. The mouse also has onboard memory, meaning you can set your settings on a computer and keep them when connecting to another. While there were no problems using this software during testing, many users online have reported issues using Logitech's G HUB, including but not limited to freezing, startup problems, and connection difficulties with certain devices. If you'd like to share your experience using Logitech G HUB with this mouse, feel free to leave a comment in the discussions.
Remarkable compatibility for the Logitech G604. The software is downloadable on Windows and macOS, so you can customize your controls to whatever you like on both platforms. All the mouse's buttons work fully on both OS as well.