Logitech G303 Daedalus Apex Introduction

Logitech has been making mice for about as far back as most PC users can recall, enhancing and refining the input peripheral over the years. Their new G303 Daedalus Apex is an advanced lightweight gaming mouse that builds off the foundation of previous offerings, and it’s launching today.

Getting straight into the details, the core design is very similar to the existing G302 Daedalus Prime MOBA mouse, but with an upgraded sensor. The G303 uses the same optical sensor found in Logitech’s G502 Proteus Core, the PMW3366, which is regarded as one of the most advanced sensors around. With the G303, Logitech has elected to reveal some additional details about the sensor, which are included in the following table.

Logitech G303 Daedalus Apex Technical Specifications
PMW3366 Sensor
Sensor Features Exclusive Clock Tuning Technology
Delta Zero Technology
Zero Smoothing
Zero Filtering
No Pixel Rounding
No Pixel Doubling
Sensor Surface Tuning
Tracking Resolution 200-12000 DPI
Max Acceleration: >40G*
Max Speed: >300 ips*

* Tested on Logitech G240 Gaming Mouse Pad
Responsiveness USB Data Format: 16 bits/axis
USB Report Rate: 1000 Hz (1ms)
Microprocessor: 32-bit ARM
Button Specifications
Features Mechanical Microswitches
Metal Spring Left/Right Button Tensioning System
On-the-Fly DPI Switching
High-Speed Clicking
Durability Left/Right: 20 Million Clicks
Programmability 6 Programmable Buttons
3 Onboard Memory Profiles
(Logitech Gaming Software required for some features)
Additional Features
Glide Dynamic Coefficient of Friction*: 0.11 µ(k)
Static Coefficient of Friction*: 0.17 µ(s)
250 km of Movement

* Tested on Wood-Veneer Desktop.
Physical Specifications Weight: 133g (Mouse Plus Cable)
Weight: 87g (Mouse Only)
115mm x 65mm x 37mm (LxWxH)
Cord: 7 feet (2.1m)
Lighting RGB Customizable Lighting
Price MSRP: $69.99

We won’t cover all of the features, but the sensor is definitely one of the most advanced options around. This is currently Logitech’s best mouse sensor, and the Delta Zero along with Zero Filtering/Smoothing are features that gamers in particular can appreciate, as they ensure there’s no acceleration and no additional lag generated by smoothing input over multiple samples. (Note that it’s necessary to also disable the OS smoothing/filtering aspects to get the unadulterated experience.) The resolution range of 200-12000 DPI is quite large, and personal preference certainly plays a role in what DPI an individual user likes; the G303 allows switching between up to five settings on-the-fly via the Logitech Gaming Software.

Logitech has also refined the buttons with metal spring tensioning on the left and right buttons that’s designed to improve the responsiveness, feel, and durability of the buttons. Rated at 20 million clicks, that’s equivalent to someone clicking the buttons every second for twelve hours a day, seven days a week for a full year. Or for those who prefer not to suffer from RSI, you could use the mouse and click the buttons on average 10 times per minute for eight hours a day and you still wouldn’t hit 20 million clicks even after ten years – at which time you’d likely be using a newer mouse regardless.

Besides the sensor and button specifications, which are obviously important for the target market, Logitech also has customizable RGB lighting on the mouse and a high quality braided cable. The weight of the mouse is very light, and the body is relatively small compared to some gaming mice. The total of six buttons (left, right, two thumb buttons, the scroll wheel, and the button behind the scroll wheel that’s typically used for DPI switching) is a bit limited compared to other offerings, but the Logitech Gaming Software does offer a full range of customizations and macro features.

We could go on but the key takeaways are that Logitech has attempted to create the best possible sensor with an extremely precise tracking system and a high quality and comfortable chassis. This is definitely a niche product as many users are more than happy with less expensive mice, but for competitive gamers that live and die by their mousing skills, Logitech hopes to win them over with the G303.


Logitech G303 Software and Closing Thoughts
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  • althaz - Thursday, March 5, 2015 - link

    Serious? Logitech released the G100S which is $30 and has the best sensor of any mouse on the market. Sure it's light-on for features (features include a wheel and both right and left clicking), but in terms of pure mousing, it's the best available (better than their higher-end mice for some reason). It's not amazing quality-wise though (buttons feel a little cheap).
  • Samus - Friday, March 6, 2015 - link

    That's the problem though. Logitech is like Samsung. They have very advanced products but they just feel cheap. I haven't tried a G100S but I think it's safe to assume a $30 Logitech mouse is like every other cheap Logitech mouse I've owned...

    And I know Razer has slipped a lot since the Lycosa keyboard (2011+) but I'd still take a Razer product based on quality alone over an equivilently priced Logitech product. And if Steelseries could get their buggy software squared away, they'd be at the top of my list because I just love their stuff: I have a Sensei Raw and the H headset (the most amazing headphones I've ever had.)
  • althaz - Friday, March 6, 2015 - link

    I love Razer, they are an awesome company...but quality is not one of their strong points. It is, however, one of Logitech's.

    Logitech's products are WAY higher quality than Razer's. I think you have Razer and Logitech mixed up. Logitech's problem for a long time has been their inferior tech. The G100S is actually very Razer-like in that sense - except that it's cheap enough to just replace when it dies/somebody else brings out a mouse with a sensor that good that's of better quality.
  • bludragoon - Friday, March 6, 2015 - link

    i agree with you, i have everything from gyro inputs to microsoft and razer etc. logitech takes a beating does the job well, just plug it in customize it with it or not. razer er not known for quality at all u beat it and hope you can get a year out of it from everything i read about it. only point i would disagree is razor certainly does not have more advanced anything....it is the form factors and layout alone along with the cool gamer cred they cultivate. i bought razor for the form factor in gaming not that anything else is better. I wish logitech would move more products into razors space.
  • xerandin - Sunday, March 8, 2015 - link

    You haven't laid hands on the Note 4, have you? It doesn't feel slightly cheap. Neither does the Samsung Gear 2 (can't speak for Gear S). Neither does my Samsung refrigerator. Or my Samsung TV...
  • Swiper34 - Thursday, January 7, 2016 - link

    It is also used by a lot of CS:GO pros:

  • LogitechFan - Thursday, March 5, 2015 - link

    Think twice before purchasing anything from this company. Their ways have changed drastically. Logitech's customer service and warranty is nothing but a joke. Read their forum for other examples. They lie, ignore you and even steal your stuff!

  • abhaxus - Thursday, March 5, 2015 - link

    I will second this. I have a
    G600 that logitech will not update the firmware to fix a pretty nasty bug that basically makes it unusable for gaming. The first production run can't be updated by the end user, so you have to send it in. They refused the service for me because I purchased it from Amazon Warehouse Deals, even after I offered to pay shipping in both directions.

    I had to make a three hour drive for work while this dispute was going on, so I decided to try to make it as high as I could get through their help desk and ended up getting a direct line to their legal department for the US. Told basically that they didn't care what I wanted to pay, they wouldn't help me. Considering I had Logitech mice and keyboards on 4 PCs in my house, and two Harmony remotes, I was quite surprised. Already switched several devices over to Razer, still waiting on my harmonies to die so I can go to URC.
  • 3ricss - Thursday, March 5, 2015 - link

    Sadly I'm starting to feel the same about Logitech.

    Purchased the G602 about 7-8 months ago and the middle mouse button stopped working 6 months in. So two weeks ago went and purchased the G700s and now I'm having connectivity issues with the mouse. Definitely some sort of driver conflict going on. I can reinstall the driver and it works fine for about 24 hours than starts freezing and dropping off its connection. This is on a clean OS install as well...
  • Stuka87 - Thursday, March 5, 2015 - link

    Yeah I switched away from Logitech also, their support is a joke. I have had to RMA my Razer mouse, and it was a very good experience. Tech Support was helpful, and had a new replacement (not a fixed one) at my door 6 days later.

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