Both of these are great ambidextrous mice.
The G Pro Wireless is slightly larger with a much more smooth shape versus the smaller and more curved S1. I prefer the S1 for comfort in general, it's better for palm and claw grips for medium hands.
The G Pro Wireless is somehow a larger mouse with a battery but ends up being lighter than the S1, the combination of lighter weight and wireless connectivity make the G Pro Wireless a better mouse to handle, though the S1 is definitely a capable performer. Both mice have flawless sensors.
The buttons are a draw, both offer good primary buttons, if you are left handed then you must get the G Pro Wireless for its swappable side buttons, the S1 only has buttons on the left side. The scroll wheel on the GPW is infinitely better than the S1 scroll wheel.
You can't go wrong with either mouse but I would give the G Pro Wireless the edge here.
|Mouse name||Logitech G Pro Wireless||Zowie S1|
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|Buttons||2 primary left and right clicks|
2 side buttons on left
2 side buttons on right
No DPI switcher on top, it’s located on the bottom.
|2 Primary Buttons|
1 Middle Scroll Button
1 DPI Button
2 Side buttons
|Sensor||HERO 16K Sensor||Pixart PMW3360|
|Cable/Wireless||Wireless||Soft rubber cable|
|Battery Life||48 hours, 60 hours with RGB off, wireless charging available||N/A|
|Software||Logitech Gaming Software:|
RGB lighting settings
Saved profiles on the mouse
DPI settings are preprogrammed
Step 1: 400 DPI
Step 2: 800 DPI
Step 3: 1600 DPI
Step 4: 3200 DPI
|Warranty||2 year warranty||Unknown length|
|Pros||Super light for a wireless mouse|
Insane battery life
Very good shape
|Safe shape, well balanced|
Improved lighter buttons
Flexible rubber cable
Plug and play
Good light weight at 87 grams
|Cons||The top end in terms of price||Glossy coating picks up dirt|
Noisy scroll wheel