Logitech G903 LIGHTSPEED vs Logitech G502 LIGHTSPEED – let’s review the main differences and decide which one is better for gaming. Keep reading to find out how these two compare in their optical sensors, DPI, weight, design, connectivity, and price. Let the best gaming mouse win!

Or scroll down if you’re interested in Logitech G903 LIGHTSPEED vs Logitech G502 HERO comparison instead.

G903 vs G502: Quick Comparison

Logitech G903
  • Wireless
  • 12,000DPI
  • Battery Life - 24 Hours
  • 9 Customizable Buttons
  • Weight - 110g (3.8oz)
  • Expensive
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Logitech G502
  • Wireless/Wired
  • 12,000DPI
  • Battery Life - 24 Hours
  • 11 Customizable Buttons
  • Weight - 107g (3.7oz)
  • Cheaper
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Logitech G903 LIGHTSPEED vs Logitech G502 LIGHTSPEED: Key Differences


There’s a significant difference between the DPI of Logitech G903 LIGHTSPEED and Logitech G502 LIGHTSPEED.

With G903, you’ll get up to 12,000DPI which is quite low for a gaming mouse along with 400+ IPS.

However, with G502, you get 16,000DPI and 400+ IPS which is ideal for gaming. Both mice have the option to manually change the DPI but to get the best experience, users can use G-HUB to customize the DPI and find their sweet spot.

In conclusion, G502 LIGHTSPEED will have a slightly better response rate and accuracy then G903 LIGHTSPEED.

Optical Sensors

Logitech G903 features one of the most advanced optical sensors which can provide a response rate of 1ms so you can expect some solid performance from this one.

Logitech G903 is equipped with a PMW3366 optical sensor and also features a microprocessor of 32-bit ARM which plays a crucial part in the performance of this mouse.

On the contrary, we have the absolute beast Logitech G502 LIGHTSPEED which is the newest edition in the LIGHTSPEED flagship.

 G502 LIGHTSPEED features the most advanced 16K optical sensor which can provide the a lag-free gaming experience with the best performance and accuracy like none other.

Logitech G502 LIGHTSPEED is also equipped with a microprocessor of 32-bit ARM and also features a response rate of 1ms.

Moreover, Logitech G502 LIGHTSPEED is equipped with next-gen optical sensors which clearly indicates that G502 LIGHTSPEED will perform better than Logitech G903 LIGHTSPEED.

difference G903 G502


Let’s review the design differences next. Logitech G903 LIGHTSPEED has a very smooth and cleanish design which is strange because most of the stuff from Logitech has a robotic design so it is something new.

G903 LIGHTSPEED is easy to use and anyone can easily operate this mouse. Furthermore, there are almost 9 customizable buttons on the mouse which can contribute to your gaming experience.

G903 LIGHTSPEED is designed for both, right and left-handed users. 

On the other hand, we have G502 LIGHTSPEED which is an exact replica of G502 HERO and has the same robotic looks which are quite appealing.

However, G502 LIGHTSPEED is not ideal for left-handed gamers as it cannot give you the experience you’re looking for.

G502 LIGHTSPEED features 11 different customizable buttons. The design is the only downside of G502 LIGHTSPEED while G903 LIGHTSPEED is flawless and provides a much better grip.


Logitech G903 LIGHTSPEED is 5.1’’ long, 1.5’’ tall and almost 2.6’’ at the widest.

Weighing at 110g, Logitech G903 LIGHTSPEED is among the best light-headed mouse that provides a matchless grip which is a game-changer for many of us. Pun intended!

However, optional 10g weight is also available for those how would like to add more weight for a better grip.

Logitech G502 LIGHTSPEED is nearly 5.2’’ long, 1.5’’ tall and 2.6’’ wide. Weighing at almost 114g, G502 LIGHTSPEED is slightly heavier than G903 LIGHTSPEED but you can always increase the weight with the optional weights for better accuracy but not having the perfect grip can be a little frustrating.

Both mice have almost the same weight but G903 LIGHTSPEED’s perfect grip takes the edge over G502 LIGHTSPEED.


The Logitech G903 LIGHTSPEED and Logitech G502 LIGHTSPEED are both wireless mice that feature the same LIGHTSPEED wireless technology.

It’s known to be the fastest wireless technology in the market and has the capability to get the response rate of 1ms.  

Battery Life

When it comes to battery timings, G903 LIGHTSPEED is nowhere to be found when it’s competing against G502 LIGHTSPEED.

The Logitech G903 can last up to 24 hours with default lighting and almost 32 hours with no lights.

Whereas, the G502 LIGHTSPEED can last for more than 48 hours with normal lighting and almost 60 hours with no lights.

If you’re looking for more battery life then G502 LIGHTSPEED is the best way to go.

Both mice support the ‘POWERPLAY Wireless Solution’ which means that you can wirelessly charge these mice and never have to plug them in.

With G502 LIGHTSPEED, it can last for 2.5 hours of gaming with a 5-minute charge which is quite exceptional.


Both mice are easily available in the market and you can also find Logitech G903 LIGHTSPEED and Logitech G502 LIGHTSPEED on Amazon as well.

Logitech G903 LIGHTSPEED vs Logitech G502 HERO

There’s a significant difference between G903 LIGHTSPEED and G502 HERO.

As we’ve discussed earlier, Logitech G903 LIGHTSPEED is the next-gen gaming mouse that features up to 12,000DPI and 400+ IPS.

While Logitech G502 HERO is one of the most admired gaming mice of all time, it is a previous-gen mouse that features up to 16,000DPI and 400+ IPS.

Due to the difference in their generations, there’s a significant difference between the two and Logitech G903 LIGHTSPEED outperforms G502 HERO in every aspect.

Check The Price of G502 HERO

Logitech G903 LIGHTSPEED Review

Logitech G903 LIGHTSPEED is still among the top gaming mice that money can buy.

Equipped with state of the art components, G903 LIGHTSPEED is an absolute beast and can actually provide the gaming experience that exceeds the user expectations.

Overall, Logitech G903 LIGHTSPEED is a stunning mouse and one must consider this when looking for a gaming mouse.

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Logitech G502 LIGHTSPEED Review

The successor to the G502 HERO, Logitech G502 LIGHTSPEED is a flawless mouse that packs enough power to outperform any other mouse in the market.

G502 LIGHTSPEED is a complete package and deserves all the praise it has received.

If you’re looking for a perfect mate for your gaming then there’s nothing better than this one.

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review G502 lightspeed hero


Logitech G903 LIGHTSPEED vs. Logitech G502 LIGHTSPEED: And the winner is…

Logitech has always launched the best products for the gaming community and these amazing wireless mice are giving their competitors a run for their money.

In this case, Logitech G502 LIGHTSPEED is matchless and if you want the best performance, accuracy, and customization then go for G502 LIGHTSPEED but if you want a down-to-earth and smooth design with deadly specs then G903 LIGHTSPEED is the way to go.

That’s all, folks!