we ran the device through some benchmark tests and it lived up to its name. With a Quadrant Benchmark score ranging from 3,300 to a whopping 3,777, you could tell that the phone was a Galaxy S II variant just on the strength of those results. The FCC paperwork shows the unit running on AT&T’s LTE 700 / 1700 bands. The filing also reveals that Samsung has designed two different battery covers for the phone, one with an NFC antenna embedded in it, and one without the antenna. Even if AT&T goes with the latter cover, the NFC antenna could be part of the battery like on the original Samsung Galaxy S II Skyrocket.
The Samsung Galaxy S II HD LTE will have a dual-core 1.5GHz processor under the hood with 1GB of RAM onboard. Did we mention the 4.65 inch Super AMOLED display with 720p resolution and a 316ppi pixel density? Well, we did now. The 8MP camera on back captures video at 1080p (30fps) and there is a 2MP front-facing shooter that takes self-portraits and helps you video chat.
source: FCC via AndroidAuthority