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Mouse reviewer
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Discussion Starter · #1 ·
Review of the Logitech G502 Proteus Core Gaming Mouse

Boxing

The box is rather small compared to most mice, similar to all the G Series boxes so far. No added

What's included:
- Logitech G502 Gaming Mouse
- Box with weights
- Warranty, Manual

Box:


Box with mouse:


Open box:


Side description:


Back:


Box with weights:


Weight & Shape

The shape feels similar to that of the G500, at least from my memory. It is slightly less wide than the EC1 which I've put next to it for comparison.



Comparison with G400


I was sceptical about the shape at first, because it looks like those horrible RAT mice, but was rather pleased with the result. The grip I get on it is nice. If it had less buttons and aesthetical stuff on it you could actually see that it has quite the regular dimensions. I don't know why it looked so big in one of the early pictures from a LAN event, my only guess is that the asian person holding it had very tiny hands.

Weight: 121 g
Height: 40 mm
Width: 75 mm
Estimated width at grip position: 60 mm
Length: 132 mm
Number of buttons: 11







My hand is around 19.5 cm from the tip of my middle finger to the base, I can grip it comfortably without accidentally actuating the forward thumb button.

Grip:



Thumb rest:



I found the right side of the mouse to be a lot more comfortable than on the G400 for example, mainly due to the missing lip. I will have to do longer gaming sessions to fully evaluate the shape though.

Right side lip:



Of course shape is completely individual preference, so everyone has to try for himself in the end.

Sensor / Performance

The mouse has an all new sensor, the name is still unknown. Logitech promotes it as having a max tracking speed of 7.6 m/s and from my testing so far that could very well be true. No matter how hard I tried, I could not make the mouse malfunction. I tested it at the stock setting without installing LGS (was 2400 dpi for me) and then at 800 dpi. Both performed just perfectly. I have never seen sensor performance like this, it is just perfect in every way for me.

I tried 400, 800, 1800 and 12000 dpi at 1000 Hz which all worked perfectly, then I also tried the other polling rates at my preferred setting of 800 Hz, to my surprise they all offered great results too. There is also no jitter, even at 12000 dpi I wouldn't call it that, because my movements had to be sooo tiny for those lines and circles that the result is still amazing imo.

ALL TESTS ARE PERFORMED ON THE PURETRAK TALENT
The real dpi for each setting can be seen in the mouse tester print, for the lower dpi settings they were very exact and those errors might as well be on my side with the measurement.

Stock setting: 2400 dpi, 1000 Hz


400 dpi, 1000 Hz


800 dpi, 1000 Hz


1800 dpi, 1000 Hz


12000 dpi, 1000 Hz


800 dpi, 500 Hz


800 dpi, 250 Hz


800 dpi, 125 Hz


Jitter test 800 dpi


Jitter test 1800 dpi


Jitter test 12000 dpi


Acceleration Test

As there was a debate wether this sensor has accel or not: It has none for me. I lack the equipment to do a test where I record mouse movement together with the screen, but I did a test in TF2 and recorded that. See video below:
I was swiping over the whole span of my Talent, so ~48 cm.
My settings: 800 dpi, 1000 Hz, in-game sens 0.87 (~60 cm/360°), m_rawinput 1

Lift Off Distance

If you let the LGS calibrate the sensor to your mousepad it will automatically set it to a low LOD, seriously, on my Talent I now have a LOD lower than 1.2 mm (it doesn't track with 1 CD). So they beat Zowie at that without some lens modification. Also all my test above were done with calibration in place, which should theoretically produce worse results than having a higher LOD. Guess not for this beast.
If you are someone who does not want a low LOD you should probably switch to the standard calibration for the sensor.

Buttons / Switches / Scroll Wheel

The main buttons have a nice click feeling, they seem very well balanced in actuation force. I did not accidentally misclick yet, unlike I did on the Deathadder back in the day. They need less force than the buttons on any Zowie. The buttons to the side of the left click (dpi change by default) feel worse, but only a bit.

The switches for the main buttons seem to be all Omrons D2FC-F-7N

(Picture by blackmesatech)

The Scroll wheel is my only gripe with the mouse, as it is rather heavy and also wobbles when in free scroll. It works just fine though, I just don't like the feel. Coming from a 16 notch Zowie wheel that probably was to be expected.

Build Quality

The cord is braided, but very flexible. I personally don't like braided cables, but this is the best braided I've seen so far. Comparable to the Zowie cables in terms of flex.

Overall Build quality is good, everything seems to be high quality. The wheel wobbling slightly in free scroll is probably due to the way the mechanic works and because it's a tilt wheel.

Conclusion

The sensor that Logitech has introduced with the G502 Proteus Core kills all competition if you ask me. I've never been this satisfied with a sensor like this. There are some downsides for my personal preference as I'd rather like a smaller, lightweight, ambidextrous mouse, but if you want a full on palm mouse with lots of buttons this would be the one I would recommend to everyone. The weight might be an issue if you are a low sens player like me, because 121 g for a long gaming session can get tiring.
So I really hope to see this sensor in the upcoming Logitech releases, seeing how much they have invested to come up with a sensor like this I have no reason to believe this isn't going to happen. This sensor in a shell similar to the Sensei or the Zowie FK would be the best mouse I can imagine.
 

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Can you comment about the weight and snagging issues with the weight lid removed?

Also any close up pic of the sensor?

Nice review though
thumb.gif
 

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Mouse reviewer
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Discussion Starter · #3 ·
Quote:
Originally Posted by end0rphine View Post

Can you comment about the weight and snagging issues with the weight lid removed?

Also any close up pic of the sensor?

Nice review though
thumb.gif
With the weight lid removed you lack the left side mouse skate, so it is easy to accidentaly tilt the mouse to the left. Would not recommend, because the benefit of 7 g less is not worth the instability. Pic of sensor:

(also by blackmesatech, I didn't open mine)
 

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Quote:
Originally Posted by Ino. View Post

With the weight lid removed you lack the left side mouse skate, so it is easy to accidentaly tilt the mouse to the left. Would not recommend, because the benefit of 7 g less is not worth the instability. Pic of sensor:
Interesting, thanks
smile.gif
 

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Nice review. Doesn't look as big as I thought it would be next to other mice.

I wonder is the sensor so good that you'll be using the G502 going forward, or will you go back to something smaller and lighter?
 

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I can just hope logitech introduce the sensor in a smaller mice.

Mice like G400 is already way to big and on the heavy side with 20grams less then G502.
So there is no way I would be able to use that heavy mouse.

Also to long for me.

The rival was 100% unusable due to weight and the length of the mouse (I had to click like 5cm behind the front of the mouse)
 

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Nice review Ino!

Will hopefully be picking one up myself to test and play around with.

Although I'm not too fond of the shape, the sensor does seem quite promising from what I've been reading, hope that they introduce more mice with it, or perhaps other companies jump on the similar sensor implementations as well.
 

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Mouse reviewer
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Discussion Starter · #10 ·
Quote:
Originally Posted by xmr1 View Post

Nice review. Doesn't look as big as I thought it would be next to other mice.

I wonder is the sensor so good that you'll be using the G502 going forward, or will you go back to something smaller and lighter?
I will stick to the G502 for a while to see how well I'm able to handle the shape/weight.
Quote:
Originally Posted by Deku View Post

nice review, PMW33660M sounds interesting.
One question tho, is it optical or laser?
It's an optical, using a IR-LED.
 

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The pictures are doing an excellent storytelling for a mouse that is... um, a bit on the ugly side. I'm left with desire.
May I ask, if anyone ever considered covering the skatez with pure teflon adhesive tape? Teflon is no more durable than other plastics like rubber, especially at its higher temperature states of 19-30-300 celcius, afaik. It might be a short while before the skatez run off.
 

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Wow... it seems that for the firs time in a very long time, marketing hype, boast and talk isn't entirely bs anymore. The G502 is seriously an amazing mouse.
 

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Quote:
Originally Posted by Ino. View Post

Quote:
Originally Posted by end0rphine View Post

Can you comment about the weight and snagging issues with the weight lid removed?

Also any close up pic of the sensor?

Nice review though
thumb.gif
With the weight lid removed you lack the left side mouse skate, so it is easy to accidentaly tilt the mouse to the left. Would not recommend, because the benefit of 7 g less is not worth the instability. Pic of sensor:

(also by blackmesatech, I didn't open mine)

A dedicated sensor PCB! Thats new and very cool.
thumb.gif
wubsmiley.gif
I wonder where the LED is?

Ps. Nice review, Ino!
 

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I'm glad someone asked about that weight cover. I was thinking you could shave a good amount of weight from the mouse by removing it and the magnet. I didn't realize that a foot was involved.

Great review!

I'm sure another company will get their hands on this sensor or a variation of it and put it in a good shell. We just have to wait.
 

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Mouse reviewer
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Discussion Starter · #16 ·
Quote:
Originally Posted by Oeshon View Post

How is the shape of this mouse for a fingertip user? I'm using a Kana at the moment.
I don't use fingertip grip, so I'm unsure. Really, when it comes to shape you have to try for yourself. Even people with the same hand size as me have completely different needs in terms of shape.
 

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i bet ino's arm got tired trying to swing that thing at max speed with all those settings...

one thing you didn't mention was the presence or absence of smoothing.
 

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Discussion Starter · #19 ·
Quote:
Originally Posted by Atavax View Post

i bet ino's arm got tired trying to swing that thing at max speed with all those settings...

one thing you didn't mention was the presence of absence of smoothing.
Well, let's just say it feels a lot different than my usual mice, the EC1 now feels like a feather compared to the G502.

I didn't say anything about smoothing because apparently I'm not sensitive to it. The Savu for example always felt great to me, according to r0ach it is impossible to use that mouse. Even the 450 dpi step on the Zowies was fine to me. I might do a side by side comparison to evaluate further.
 

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Quote:
Originally Posted by Ino. View Post

Well, let's just say it feels a lot different than my usual mice, the EC1 now feels like a feather compared to the G502.

I didn't say anything about smoothing because apparently I'm not sensitive to it. The Savu for example always felt great to me, according to r0ach it is impossible to use that mouse. Even the 450 dpi step on the Zowies was fine to me. I might do a side by side comparison to evaluate further.
how is the weight compared to the sensei?
 
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