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Logitech G903 Lightspeed Review

Logitech G903 Lightspeed Review

Logitech G903 Lightspeed 02The Logitech G903 Lightspeed has been around for a couple of years now, but Logitech has recently updated this rodent with a better sensor in order to cope with the demands of gaming mice in 2019 and 2020.

This wireless unit doesn’t come cheap, though – at $130 in the US and £100 in the UK it’s more affordable than the stellar Razer Viper Ultimate. Can it compete? Read our Logitech G903 Lightspeed review to find out!

Design

The Logitech G903 Lightspeed looks bold and, dare we say it, more eye-catching than its relatively subdued rival from Razer.

The Logitech mouse has main buttons that taper down to dramatic, angled sections that look a bit like hair clippers, and the rear has slashes in the plastic that run all the way round to the side panels. There are huge, eye-catching gaps between the main buttons and the underlying body, and a raised rear section that’s accented with a glossy finish.

Logitech loads this machine up with a couple of RGB LED zones: the large logo on the rear of the unit lights up alongside a cluster of three battery level indicators that can be customised.

Logitech G903 Lightspeed 04Razer’s mouse only has RGB LEDs in the logo, and it looks more modest, with fewer crazy angles and sleeker lines.

The Logitech G903 has excellent build quality – its exterior is just as robust as the Razer. It weighs 110g, and an extra weight is included if you’d like to add a further 10g of heft to this unit. On both counts, it’s heavier than the Razer – that mouse only weighed 74g.

The G903 is 130mm long, 67mm wide and 40mm tall – so it’s physically larger than the Razer Viper Ultimate, too.

The G903 is ambidextrous, just like the Razer, and it’s suitable for virtually every kind of grip and almost every size of hand. The only people who will struggle are those who want to use an arched fingertip grip with a smaller hand. If that’s you, the extra width of this mouse means the side buttons can sometimes be tricky to reach.

Those side buttons are clever: they attach magnetically, which means you can switch between left- and right-mounted buttons in order to make this mouse suit your stronger hand. Logitech also includes a couple of covers, so you can remove them entirely if you like – and you can also attach all of them if you like, and have two buttons on each side.

In total, the G903 can ramp up to eleven buttons. You get the side buttons, the two main switches, two DPI-switching buttons and the scroll-wheel, which clicks vertically and can also click horizontally.

Razer’s mouse has side buttons that aren’t removable, but in most other departments it’s similar.

The G903 is wireless, just like the Razer, and it has a similarly tiny USB receiver. It also includes a neat range extender accessory. Logitech packs the wireless hardware and the spare side buttons and covers into a neat case that’s included with this mouse. Logitech also includes a USB cable with an extra clamp to secure it to the mouse, which is handy for gameplay while charging.

However, it is disappointing that there’s nowhere to stow the wireless module on the mouse itself – that would have made transport easier, and it’s something that Razer includes.

It’s also possible to charge this mouse wirelessly, although to get this functionality you’ll have to spend an extra $120 or £100 on the Logitech Powerplay wireless charging system, which combines a charging mat with a small puck that is installed into the cavity on the underside of the mouse. It’s smart, although using this does mean that the mouse will be heavier.

This is a different approach to Razer. The Viper Ultimate does cost more than the Logitech G903 Lightspeed, but that mouse also includes a smart charging dock.

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Internals

On the inside, this updated version of the G903 uses Logitech’s Hero 16K sensor. As the name suggests, this new sensor has a precision level of 16,000 DPI. The older G903 uses the PMW3366 sensor, and it’s rated for 12,000 DPI.

Both models of the G903 are still for sale, so be careful about what you’re buying. In the US, the 12,000 DPI model costs $100 while the Hero 16K unit arrives at $130. In the UK, they cost £100 and £125 respectively. So, in the US, the 12,000 DPI model will still sate most gamers and is cheaper, so only buy the Hero 16K version if you want the extra sensitivity. In the UK, you may as well buy the more sensitive model as it’s already cheaper.

The 16,000 DPI sensor offers enough precision for any gaming task, from fast-paced FPS titles to the twitchiest and most frantic esports games. In short, it’s enough for anyone. It also has no acceleration, smoothing or artificial filtering. That means you get pure, rock-solid performance without any unnecessary electronic issues tripping you up.

Despite that, it’s not the highest sensitivity rating around. The Razer Viper Ultimate sits at 20,000 DPI, even though no gamers will make use of that rating.

Elsewhere, the Logitech G903 Lightspeed has a conventional 1,000Hz polling rate, a tracking speed of 400 IPS and an endurance rating of 50 million clicks.

They’re all good figures, but in some areas the more expensive Razer is a little better. The Viper Ultimate has a tracking speed of 650 IPS and an endurance rating of 70 million clicks.

These advantages won’t be noticeable in most mainstream gaming scenarios, but keen competitive players may want to stick with Razer due to that tracking speed in particular.

There’s a lot to like about the Logitech G903 Lightspeed’s core specification. It’s larger and heavier than its rival from Razer, very comfortable, with plenty of buttons and aggressive, eye-catching design.

It’s just a shame that it can’t match up to the pricier Razer Viper Ultimate when it comes to endurance and tracking speed.

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Performance

The Logitech G903 Lightspeed’s main buttons are mechanical, and they’re superb. They’re fast and consistent, with a great balance between the weight needed to feel solid and the lightness required to achieve top speeds in fast-paced games.

And, happily, the Logitech G903’s aggressive design doesn’t impact on how this machine is used. It looks a bit wild, but the G903 is always responsive and comfortable. There were no issues when it came to gliding the G903 around our desk, with or without a mouse mat.

The Logitech G903 Lightspeed has excellent core performance. The buttons are just as comfortable and as responsive as the Razer.

It must be said, though, that the Razer Viper Ultimate does actuate a tiny bit faster – because it uses optical rather than mechanical switches.

Only the keenest of esports players will even be able to tell the difference here, and both mice are superb when it comes to actuation speed. But the Razer is better if you’re chasing the ultimate in responsiveness.

The rest of the buttons are good, although they do have minor issues. The side buttons are a little too spongy for our tastes. They would have been better if they’d clicked with the same precise, shallow motion as the main buttons. The sides of the mouse don’t have a huge amount of grip, either. The shallow slats in the plastic don’t really do anything. This is an area where the Razer is markedly better.

The scroll-wheel has a button to switch its operation between staggered and smooth modes, which helps people who have different preferences. The wheel clicks down, and it clicks horizontally too – which adds more versatility. It’s great to use, with good scrolling in either mode and reliable vertical clicks. That makes it handy for use as a regular, consistent extra button.

Our only qualm here is that the scroll wheel is a little too flimsy when being clicked from side-to-side. It’s not a huge issue, but it would be better if it was sturdier.

We had no wireless performance issues with the Logitech G903 Lightspeed. The wireless connection on this mouse was rock-solid. There was no detectable difference between input speeds when compared the wireless connection to a USB connection. Just like the Razer, this mouse is easily good enough for competitive play when using its wireless connection.

Logitech’s software is decent, too. It’s smart and straightforward, with good options for customising buttons and changing RGB LEDs. Up to five layout and colour profiles can be saved to the mouse with an infinite number possible on the host PC, and the DPI can be adjusted in 50 DPI increments.

Logitech’s app also doesn’t need users to register an account first, which makes living with the G903 Lightspeed a little more convenient.

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Logitech G903 Lightspeed Review – Conclusion

Our Logitech G903 Lightspeed review demonstrates that this mouse is excellent. It has plenty of upside: bold design, great build quality, a versatile, ambidextrous shape and plenty of buttons.

Its wireless operation is great, the core buttons are quick to respond, and it has good software. And, while 12,000 DPI and 16,000 DPI options both remain available, we’d always buy the more precise version – that newer model is often cheaper and, even if you don’t need a 16,000 DPI mouse, it’s always better to have a newer sensor.

The Logitech G903 Lightspeed can’t quite topple the Razer Viper Ultimate when it comes to pure quality. That mouse has marginally quicker main button actuation, faster tracking speeds and a better endurance rating alongside a smarter charging accessory.

The Logitech G903 Lightspeed remains one of the best wireless gaming mice on the market, though, especially considering its lower price when compared to the Razer. If you’re in the market for a wireless unit for mainstream and competitive gaming then it’s a great option. We’d only recommend looking at the Razer if you want the best speeds possible for esports.

The Logitech G903 Lightspeed costs $130 in the US and £100 in the UKDiscuss our Logitech G903 Lightspeed review on our Facebook and Twitter pages. And, if you need some more inspiration after reading our Logitech G903 Lightspeed review, check out our guide to our favourite laptops or go deep with our ultimate guide to 4K monitors – covering the technology, the terms and our top recommendations!

The GoodRecommended Award

  • Great core performance – including during wireless play
  • Bold, eye-catching design
  • 11 buttons, including magnetic options
  • Variable weight options and RGB LEDs

The Bad

  • Not quite as quick or long-lasting as the Razer Viper Ultimate
  • No wireless charging dock included
  • Some buttons are a little spongy

The Specs

Sensor: 16,000dpi Logitech Hero 16K
Buttons: 11 programmable buttons, mechanical switches
Durability: 50 million clicks
Polling rates: 1000Hz, 500Hz, 250Hz, 125Hz
Lighting: 2-zone RGB LEDs
Colour: Black
Material: Plastic
Connectivity: 2.4GHz Wireless, 1.8m cable
Weight: 110g
Dimensions: 67 x 130 x 40mm (WxDxH)
Warranty: 2yr RTB

Summary
Review Date
Reviewed Item
Logitech G903 Lightspeed

About Author

Mike Jennings

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