Amazon is upgrading its Kindle Fire HD tablet to the Kindle Fire HDX, and the 7-inch model is ready to square off directly against the Google Nexus 7.

The new 16GB Kindle retails for $229 (with Special Offers on the lock screen; the price is $244 without ads) just like the Nexus 7. A 32GB model is priced at $269 like the equivalent Nexus 7, while a 64GB model (not currently available on the Nexus 7) is $309. The Nexus 7 is our current Editors’ Choice in the 7-inch Android tablet category; the original previously Kindle Fire held that title. The Kindle Fire HDX’s specs seem very similar, but exactly how similar requires some analysis. That’s what I’m here for, with a handy chart for reference.

What Type of Android

Both tablets use Android, sort of. The Nexus 7 uses a stock Android 4.3 installation, while the Kindle Fire HDX uses “Fire OS 3.0” (also called “Mojito”), an Amazon-built shell over Android. The good news is Fire OS integrates all of your Amazon purchases seamlessly into the tablet, so you can access all of your music, movies, books, and apps bought through Amazon. The bad news is the interface steers you away from the more powerful and Google-native features of Android, so if you want to find apps or services not available on Amazon you might have to do some tinkering.

Processing Power

The Kindle Fire HDX and Google Nexus 7 sport quad-core Qualcomm processors, but the Kindle Fire HDX’s 2.2GHz Snapdragon 800 CPU edges out the Nexus 7’s 1.5GHz Snapdragon S4 Pro. Despite the higher clock speed, the two processors are fairly similar, with the Kindle Fire HDX getting only a slight GPU bump with the Adreno 330 compared to the Nexus 7’s Adreno 320. With the same 2GB of RAM, same resolution display, and similar operating systems, we’ll have to see how the benchmarks look before we can declare a winner.

Screen and Sound

Both tablets share the same type of display: a 7-inch 1,920-by-1,200-resolution, 1080p-capable IPS LCD screen. Amazon hasn’t confirmed whether the Kindle Fire HDX uses a Corning glass screen to protect against scratches, but it notes that the display has a polarizing filter to reduce glare. For sound, the Kindle Fire HDX uses built-in stereo speakers with Dolby Digital Plus processing, while the Nexus 7 uses built-in stereo speakers with Fraunhofer surround sound processing. You can only get so much sound out of tiny speakers built into a slim case, though, so either way you’ll want to get some good headphones or a good Bluetooth speaker if you want to use your tablet to listen to music.

Battery

Like with processing power, we’ll have to test the Kindle Fire HDX to see how long its battery lasts. However, Amazon claims it can go for up to 11 hours of video, music, and Web surfing, and up to 17 hours of reading, which would beat out the Nexus 7’s stated battery life of 10 hours and tested battery life of 7 hours, 37 minutes.

Extras

The Nexus 7 sports a front- and rear-facing camera, so you can take snapshots with it. However, the Kindle Fire HDX only has a front-facing camera for video calls and self portraits. If you want a rear-facing camera, you’ll have to move up to the Kindle Fire HDX 8.9. Neither tablet has a microSD card, so you’ll have to make due with the built-in storage.

For more, check out PCMag’s hands on with the new Kindle Fires, as well as our spec comparison between the 8.9-inch HDX and the iPad, and our Nexus 7 review.