Pixel XL is almost 3-percent taller and 4-percent wider than the smaller, rounder Galaxy S7 edge.
As would be expected, the Pixel is heftier, too. It weighs in 11 grams heavier than the S7 edge. For some perspective, that's about the weight of one alkaline AAA battery.
Samsung's S7 series phones have a standout build. Thanks to their completely rounded edges and streamlined aluminum frame, they almost feel as if they were completely made of glass.
Google's flagships have a minimalist aluminum unibody with hits of gloss here and there. Not exactly tantalizing, but not offensive either.
Each phone has a trio of variants. Pixel XL brings black, silver and blue to the table; S7 edge goes black, silver and gold.
S7 edge has an industry-leading water resistance rating; it's safe in up to 1.5 meters of water for up to 30 minutes. Pixel XL has no such protection.
Samsung does a better job at packing in the screen space. Even though the Pixel is bigger, they both have the same roomy 5.5-inch display.
The two phones have identical Quad HD resolution and pixel density.
They also both use AMOLED over IPS displays, so you can expect saturated colors and true blacks.
Neither touchscreen differentiates between a light touch and a harder press. So far, only Apple is taking advantage of pressure-sensitive displays in its 3D Touch feature.
You may not be able to tell from front-facing photos, but the S7 edge's display actually wraps around the front edges of the phone. The curved display is a major contributor to the phone's unique look.
Pixel XL has an onscreen home button that takes up a sliver of space at the bottom of the display. S7 edge has a mechanical home button offscreen.
The pair has matching megapixels in the rear camera, but Pixel packs more into the front camera.
Camera aperture (rear)
S7 edge has a slightly larger camera aperture, an engineering decision meant to yield better quality low-light photography.
Optical image stabilization
Optical image stabilization, a prevalent feature in this year's flagships, didn't make it onto the Pixel.
Dual-lens cameras are starting to pop up in a few smartphones, but not in these two.
The Samsung battery is 4-percent bigger, which is reflected in overall battery life. According to Google, Pixel XL gets up to 32 hours of talk time and up to 14 hours of internet use or video playback over Wi-Fi. By Samsung's count, the S7 edge should be good for up to 36 hours of talk time, 15 hours of internet, or 19 hours of video.
Like many of this year's Androids, Pixel XL opts for the reversible USB-C port. S7 edge clings to an older microUSB charger.
You won't need to be plugged in all day. Both phones have fast charging features, where a few minutes worth of charging affords hours of power.
The S7 edge can be wirelessly charged, but not the Pixel.
These two processors have matching clock speeds, but their manufacturer, Qualcomm, says the 821 offers a 10-percent performance increase over the 820.
Outside of the US, China and Japan, S7 edge has an octa core Exynos 8990 chipset.
When it comes to RAM, both phones have a generous 4 gigabytes.
Pixel XL is offered in 32 or 128 gigabyte capacities. With the S7 edge, you can choose 32, 64, or 128 gigabytes.
As far as external storage goes, you're out of luck with the Pixel. The S7 edge is expandable up to 256 gigabytes via microSD.
No need to scramble for an adapter; neither Google nor Samsung has axed this dedicated jack.
The fingerprint sensor is on the back of the Pixel. The S7 edge builds it into the home button.
Samsung Pay is accepted in more places than Android Pay. Why? Samsung utilizes both NFC (near field communication) and magnetic secure transmission (MST), which mimics the swiping of an actual card. That means merchants don't need an NFC transponder to use it, like they do for Android Pay.
Pixel and Pixel XL are the first phones to have Google Assistant built-in. Google Assistant is the newest iteration of Google Now, and it's being billed as a smarter Siri. Samsung offers a voice-control feature called S-Voice and also supports Google Now.
The Pixels are Google's first-born children, and as such they'll be first in line for all the latest and greatest software. Google guarantees the phones will receive all software updates for two years and all privacy updates for three years. Pixel XL launches with Android 7.1 Nougat.
S7 edge is currently running Android Marshmallow with its Samsung TouchWiz interface on top. Samsung has promised a Nougat update, but has not given a specific timeline.
The Pixels are brand new; the Galaxy 7 series has been around for most of the year. Samsung launches its flagships in the spring, so it may be tempting to wait a few more months to see if the next Galaxy generation is worth the wait.
Expect to pay top dollar for these industry headliners. Samsung prices fluctuate depending on carrier and payment plan, but count on paying almost US$800 for the S7 edge. Opting for the Pixel XL instead will only save you about $21.
From their essentials (processor, operating system, display) to their bells and whistles (VR compatibility, fast charging, camera), these two smartphones are neck-and-neck. We consider the Samsung's main strengths to be its good looks, water resistance, external storage and well-established Gear VR content. Pixel XL seems to have camera, operating system and virtual assistant advantages.
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