Another Samsung device with product code GT-P5200 appears on AnTuTu benchmark. Considering that Galaxy Tab 2 10.1’s product code is GT-P5100, it looks like that the device is its successor, Galaxy Tab 3 10.1
From AnTuTu benchmark results, this device scores 24,614 points. That’s a very good score, equivalent to a device with Qualcomm Snapdragon 600 and Samsung Exynos 5 Octa. Galaxy Tab 3 10.1 is said to be powered by Exynos 5 Octa chip with a speed of 1.6 GHz and run Android 4.2.2 Jelly Bean.
However, it seems that the device appears on AnTuTu is still a prototype of Galaxy Tab 3 10.1.