Samsung's unannounced Galaxy S4 GT-I9506 powered by Snapdragon 800 processor with Adreno 330 has been spotted on GFX benchmark scoring Highest possible score. The device is the international version of the E330S Galaxy S4 LTE-A Korean model and is expected to allow those of us outside Samsung's homeland experience the Snapdragon 800/TouchWiz combo.
The Samsung Galaxy S4 I9506 was able to meet the Galaxy Note 3 at the top of the 2.7 T-Rex benchmark outputting 26 frames per second, beating the Sony Xperia Z Ultra by 3 fps and the LG G2 by 4 fps.
In the Egypt 2.5 test the Galaxy S4 I9506 got 50 fps, slightly behind the LG G2 (also a S800 monster) and way behind the Galaxy Note 3, finishing in fourth spot on GFX list.
The Android version of the Galaxy S4 I9506 is quoted at 4.2.2 but it's expected that the device to hit official status powered by Android 4.3.