A mysterious smartphone that is powered by Qualcomm Snapdragon 820 chipset and Windows 10 Mobile OS has been spotted on GFXBench benchmarking site.

The specifications of an unknown Windows 10 Mobile device have surfaced on GFX Bench benchmarking site, which revealed that the device features a 6-inch display that supports Quad HD resolution of 2560 x 1440 pixels and is powered by Snapdragon 820 chipset, Nokia Power User reported.

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The Snapdragon 820 SoC that features an Adreno 503 graphics is supported by 3 to 4 GB of RAM. The internal storage of the device is 64 GB. The GFXBench listing has also revealed that the huge smartphone features a rear-facing camera of 22 MP. In the front, it will be housing a 12 MP camera. The other details are not known yet.

Meanwhile, Microsoft is also rumored to be testing a Lumia device with Qualcomm Snapdragon 820 chipset. The Redmond giant is also speculated to be working on Intel chipset powered Surface Phone. Both the smartphones are destined to release in the third quarter of this year.

The HP Falcon is other rumored smartphone that is going to feature a Snapdragon 820 chipset. The key specs of the purported HP Windows 10 Mobile smartphone were also spotted on GFXBench database recently, WM Power User reported.

It revealed that the HP Falcon would be arriving with a 5.8-inch display that will also carry support for Quad HD resolution. The Qualcomm SD 820 SoC will be accompanied by 2 GB of RAM.

It will also be featuring a native storage of 64 GB. There is no confirmation on the microSD card support for the HP Falcon. On its rear, it will be housing a camera of 20 MP and on the front, there will be a selfie camera of 12 MP. There is no information on the remaining specs of the phablet.

As of this writing, HP has not confirmed on the existence of the HP Falcon phablet. The HP Falcon moniker is said to be the codename of the device and it is not known whether it will be launched with the same name. It is expected to get announced at the Mobile World Congress (MWC) 2016 in the coming month along with an affordable price tag.