Performance

It's really hard to test the performance of a mouse unbiased because there isn't any real benchmark. What I have tried to do is play a variety of games that use different input methods and require different types of mouse movement. I have tested the mouse at 1800 DPI with the polling rate of 1000 Hz, so that negative acceleration should be minimal.

Since I play for Copenhagen-eSports Battlefield 2 (BF2) team I decided to give it a go. BF2 requires a lot of fast mouse movements because I use a quite low sensitivity. I started off by adjusting the master sensitivity so that the mouse was just as "slow" as my old IME 3.0 ingame. To my surprise it didn't take long before I was completely accustomed to the DeathAdder. The switch from a 400 DPI mouse to 1800 DPI was a breeze because I was able to obtain the same sensitivity just by lowering the master sensitivity.

One thing I noticed right from the beginning was how accurate the mouse was. There was absolutely no sign of negative acceleration in-game, whereas my old IME 3.0 used to stall a bit when making 180 degrees turns. This helped my game a bit because I was able to make precise turns and other quick movements. The absolute accuracy where you aim slowly was just like with my IME 3.0, no skipping or jittering of the crosshair.

This mouse is the first one I have ever had where I couldn't get it to stall in-game. This means that Razer has successfully made a infrared sensor that can cope with extreme acceleration and provide excellent tracking even at high speeds.

After the low sensitivity test I tried BF2 while using a much higher sensitivity. The mouse performed really good and I couldn't really feel the difference between the Habu and the DeathAdder at high sensitivity.

I also tested the DeathAdder in Counter Strike Source (CS:S) and here the performance was really good both while gaming with low and high sensitivity. I used one of the side buttons as "Last Weapon Used" and that was quite nice because the side buttons of the DeathAdder are firm and responsive.


Overall I think the DeathAdder outperforms any mouse on the market today when it comes to tracking.

Comfort

The DeathAdder has the same shape as the IME 3.0 it's just a bit shorter. Even though it's a bit shorter than my old mouse there is no loss of comfort while using the mouse. It's still big enough so that your palm rests nicely on top of it. The side and main buttons have a nice firm feel to them and the side buttons are placed so that anyone with a regular sized hand can get a comfortable experience with the mouse. I have used the mouse for a week now and I must say that it's extremely comfortable compared to the old Razer mice. The size and weight of the mouse feels balanced and makes this mouse one of the best on the market.