Razer Deathadder V4 Pro Is One Of The Best Releases Of 2025

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Razer cooked with this one...

Story Highlights
  • Razer Deathadder V4 Pro sports the same design, shape, and dimensions as the previous model with only a few tweaks.
  • A lot has changed internally; the mouse is now lighter, with a new clicking sound, a better sensor, and extremely low latency.
  • It also has a 150-hour battery and a hemisphere dongle that has better transmissions than the previous Deathadder. 

Razer’s Deathadder series has been one of the fan favourites, and now Razer has just released the Deathadder V4 Pro, claiming that this is their biggest technological leap in 10 years. Whether it’s true or not will be determined in this article.

Deathadder V4 Pro Vs V3 Pro
Deathadder V4 Pro (Left) Vs V3 Pro (Right) (Image Credits – YT/DiamondLobby Reviews)

Design Is…The Same?

Looking back at their previous variant, the Deathadder V3 Pro was released 3 years before this one. And if we take a look at the design, it is very similar to the previous one, with only a few noticeable changes. 

Same Dimensions & Shape

It has the exact same shape and dimensions as the previous one, with a 128mm length, 68mm hip width, 61mm of grip width, 19mm of click height, and 44mm of hump height. Now, if you’re annoyed that the design hasn’t changed, it has been kept the same for a reason.

Side Buttons Changed

Firstly, the side buttons have been made a bit thicker, and they now have a gap in between them. Seeing the new wave of mice with this sort of layout, many people prefer it, and that might be the reason Razer decided to put it in this mouse as well.

Deathadder V4 Pro Side Buttons
Deathadder V4 Pro Side Buttons (Image Credits – YT/DiamondLobby Reviews)

Sense of Familiarty > Novelty 

Razer already had success with the previous Deathadder lineup, and so the people who loved it would feel at home with the same design and shape. And if you know Razer’s market understanding and dominance from their Kitty headphone, you’d know how Razer knows how to cater to their market.    

Reduced Weight

Despite the same shape and dimensions, what changed was the weight. The Deathadder V4 Pro now features a reduced weight of approximately 56.4 grams, a 7-8 gram reduction compared to its predecessor.

No Creeking

What’s surprising is that they’ve managed to do that while making the mouse of heavier and denser materials. They’ve designed the internal structure in a way that it holds the mechanism intact, preventing any creaking when you press it firmly or squeeze it.

Deathadder V4 Pro Rigid Structure
Deathadder V4 Pro Rigid Structure (Image Credits – YT/Hardware Cannucks)

Huge Upgrade In Switches

One of the biggest changes is the switches. Now, Razer has opted for the Razer optical Gen 4, which has been completely redesigned from the ground up. The internal springs are thinner, giving 12% lighter actuation force for quick spamming.

More Compact

Additionally, these are visibly smaller, precisely 30% smaller than the previous Gen 3 switches. Razer specified that they will last up to 1 million clicks, and the best part about them is their rigid feeling when you press them.

No Post Or Pre-Travel

There is almost no paddle shift or wobble, and there is no post or pre-travel with these switches. Now the sound of it has been changed, where it isn’t as loud as the one found in the Logitech Superlight Pro X, but it is also not as silent as the Viper V3 Pro.

Deathadder V4 Pro Rigid Structure
Deathadder V4 Pro Instant Clicks (Image Credits – YT/DiamondLobby Reviews)

Optical Scroll Wheel 

This mouse now has an optical scroll wheel, which not only increases its life span but also eliminates ghost scrolls and miscycles. Now, the mouse click switch is still mechanical, and it would have been better if it were also optical.

Other Changes

Now comes the best part, the sensor. The Razer Deathadder V4 Pro features a 45K Razer Focus Pro Gen 2, which is a big upgrade from the 35K Pro sensor used in the previous model.

Sensor, Latency & Battery

Not only does it go up to 45,000 DPI with 8K polling rate but it also has a 99.8% sensor resolution accuracy. Compared to their previous gen sensors, it is now 63% more power efficient and has 37% lower latency.

Deathadder V4 Pro Vs V3 Pro Battery
Deathadder V4 Pro Vs V3 Pro Battery (Image Credits – YT/Hardware Cannucks)

If you compare it with other gaming mice, it is currently the fastest gaming mouse in terms of latency. Speaking of battery, its 300mAh battery will last you a whopping 150 hours without charging.

Redesigned Dongle

We can’t go without mentioning the new dongle that comes with the Razer DeathAdder V4 Pro. Unlike the previous model, it isn’t a square shape but is now in a hemisphere shape. Now, the antenna inside it has been redesigned to achieve 30% better transmission between the mouse and the dongle.

There are also three LEDs present in front of it, giving you information at a glance for your connection, battery, and polling rate, respectively. Each metric on each mode is denoted with its designated color, which you can use to tally the info.

Deathadder V4 Pro New Dongle
Deathadder V4 Pro New Dongle (Image Credits – YT/DiamondLobby Reviews)

Sensor Angle Adjustment

For the software, Razer included a sensor angle adjustment. Most mice had a problem with straight lines being a bit skewed, and with this, you can adjust the rotation of the angle to make it perfectly straight, which improves your aim significantly.   

Verdict

While the Razer Deathadder V4 Pro doesn’t look and feel new right out of the box, all the changes made are done behind the scenes, internally. I believe it is a great upgrade from Raze, which will be loved by the masses, just like the previous ones. 


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