Logitech G403 Vs G502: Differences (Comparison & Review)

Logitech G403 vs G502 Hero – what are the differences between them and which mouse is better for gaming? They have some similarities like their use of optical sensors, design for right-handed use only, and they’re both wired and made by Logitech. G502 is an upgrade both in design and software when compared to G403.

Read on to find out how these two compare in DPI, weight, connection, lighting, price, perfect hand it is designed for, and sensor.

G403 vs G502: Quick Comparison 

  • Weight: 3.079 oz (87.3 g)
  • Optional additional weight of 0.353 oz (10 g)
  • Height: 4.88” (124 mm)
  • It is 2.677” (68 mm) wide
  • Its depth is 1.693” (43 mm)
  • Its cable length is 82.677” (2.10 m)
  • DPI range is from 200 – 12,000
  • Its report rate is 1 ms
  • It utilizes PMW3366 sensor
  • Has zero smoothing, acceleration, and filtering
  • Its maximum acceleration is greater than 40G
  • Max speed is greater than 400 IPS
  • Runs on a 32-bit ARM microprocessor
  • Buttons are rated for 20 million clicks
  • Makes use of a mechanical button tensioning system
  • Uses a braided cable
  • Its lighting is 2 zones of LIGHTSYNC RGB
  • It has 6 programmable buttons
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WINNER Logitech G502 Hero
  • Weight: 4.268 oz (121 g) without the cable
  • Optional weights of up to 0.635 oz (18 g)
  • Its height is 5.197” (132 mm)
  • Its depth is 1.575” (40 mm)
  • It is 2.953” (75 mm) wide
  • Its cable length is 82.677” (2.10 m)
  • Designed for use by right-handed gamers
  • Makes use of braided cable
  • DPI range is from as low as 100 – 16,000
  • Its report rate is 1 ms
  • It makes use of HERO 16K optical sensor
  • Gives you zero smoothing, acceleration, & filtering
  • It has a max acceleration greater than 40 G
  • Its max speed is greater than 400 IPS
  • It runs on a 32-bit microprocessor
  • Its lighting is 1 zone of LIGHTSYNC RGB
  • It has 11 programmable buttons
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Logitech G403 Vs G502 Hero: Differences


The DPI of a mouse tells you just how sensitive it is. Different gaming actions require different levels of sensitivity and so for a better experience, you need a mouse that can reach that level of sensitivity.

DPI isn’t fixed as you can always change it using the DPI buttons on the mouse, all to ensure your gameplay is top-notch.

Logitech G403 has a minimum DPI level of 200 and a maximum of 12,000, and this range falls within the requirement of most gaming actions.

Logitech G502 has a minimum DPI of 100 and a maximum of 16,000. This wide range allows you to carry out more actions as you have more sensitivity control at your fingertips.

And so in terms of DPI, your best choice is G502 Hero as it gives you more sensitivity control.


A gaming mouse isn’t supposed to weigh so much so that you can easily make swift actions, and play for long hours without having fatigue.

This doesn’t mean it should be too light as it will end up filling flimsy in the hand of the user. For this reason, a perfect balance has to be made during manufacture.

Logitech G403 weighs 3.079 oz (87.3 g) and allows you to add an extra 0.353 oz (10 g) if you have the need to. Logitech G502 Hero has much more weight of 4.268 oz (121 g  mouse only) and allows you add up to 0.635 oz (18 g) if you have the need to.

Lightweights allow you to maneuver easily during gameplay and for this reason, light mice are often preferred. If you are one of those gamers that prefer a light mouse, then G403 is the choice for you.


Both G403 and G502 are wired and connect with a USB cable. This leaves you without the worry of poor responsiveness and latency as you play.

Logitech G403 also has a wireless version that makes use of a great sensor that takes care of the responsiveness and latency issues other wireless gaming mice might have.

So if you prefer the wireless connection option, G403 is the choice you should go with.


Both mice make use of LIGHTSYNC RGB lighting, allowing you to get the best performance from your mice lights that are triggered by actions from gameplay.

What’s more, is that you can sync the lighting animations and effects with other Logitech G devices that you own.


There is a quite big price difference between G403 and G502 as G502 costs more. For gamers on a budget, the right choice for your pocket is G403.

Perfect Hand for Use

Both mice are perfect for use by right-hand users. The ergonomic design gives you comfort as you handle and use it.


The G403 mouse makes use of a PMW3366 sensor that offers you DPI ranging from 200 – 12,000. You get quick responses and good precision while gaming.

G502 makes use of HERO 16K optical sensor which gives you a DPI range of 100 – 16,000 to choose from.  You get high-level precision and responsiveness when you use this mouse.

HERO 16K is more advanced than PMW3366 and offers you a lot more to make your gaming more fun. So in terms of sensor, the best mouse to go for is G502.

Logitech G403 Review

The Logitech G403 gaming mouse was made to enhance your gameplay and give you comfort with its lightweight and ergonomic structure.

It has a high response time and due to the PMW3366 sensor, you are sure to get high accuracy, speed, sensitivity, and consistency also.

Its design is such that it would fit your hand perfectly and not cause fatigue even if you use it for long hours.

There is an optional weight that you can add if you choose to, making it very customizable for your use.

It makes use of up to 16.8 million customizable RGB colors which sync with other Logitech G devices and follow gameplay to enhance your experience.

To further give you control, there are 6 programmable buttons and an onboard memory that allows you to retain your settings.


  • Makes use of PMW 3366 optical sensor
  • Has 6 programmable buttons
  • Ergonomic and lightweight design
  • Customizable lighting


  • Scroll wheel easily gets defective

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Logitech G502 Hero Review

The Logitech G502 Hero is a wired gaming mouse that has a premium look and feel with its mix of matte and glossy back plastic build.

It makes use of two RGB zones which can also be synced with other Logitech G devices and follow gameplay.

It is a fairly large and heavy mouse making it difficult for players with small hands to handle.

The weight can be adjusted as you have 5 removable weights to add or subtract until you get what you want.

Its HERO 16K sensor is the most accurate sensor made by Logitech yet and offers you DPI from 100 – 16,000.

This is a wide range that will take care of all your DPI needs and even more. You now get a great speed, accuracy, and responsiveness across the entire DPI range.

You have 11 customizable buttons and an onboard memory that allows you save your button settings.


  • Has a great build and a premium feel
  • Lots of programmable buttons for your needs
  • Makes use of the most accurate HERO 16K sensor


  • Large design makes it uncomfortable to handle by users with small hands

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difference G403 G502 review


Logitech G403 vs G502: And the winner is…

And here you have it, all the information you need concerning these two gaming mice. Now you can easily make the best choice for you.

Logitech G403 is best for gamers with small hands who also prefer lightweight mice, or are on a budget.

While Logitech G503 mouse is the best choice for gamers who want a better gaming mouse, need more control, more customizable buttons and don’t mind to spend a bit more money.