A yet to be announced Sony smartphone that has model number Sony F8331 has been found on GFXBencmarking website. It is expected to be a variant of Sony Xperia X Performance as it has model No F8131 for the standard model and F8132 for the Dual-SIM model.
As per the listing on GFXBench, Sony F8331 has a 5.1-inch display that has full HD (1920×1080 pixels) resolution and 5 finger gesture support. Besides as per the listing, it has Qualcomm Snapdragon 2.1 GHz quad-core processor, 3GB RAM, 32GB of internal storage out of which 20GB is reserved for the users, Adreno 530 GPU and Android 6.0.1 Marshmallow operating system. In the listing there is no information about its battery or expandable memory.
Further, the Sony phone is listed with 21-megapixel Autofocus camera and an LED flash in its rear panel. There is a 12-megapixel camera in its front for selfies. The GFX listing shows that the device has connectivity features like Bluetooth, GPS, NFC and WiFi. As per the listing, the device has accelerometer, gyroscope, light sensor and Proximity Sensor as well.
Sony had announced Xperia X Performance along with Xperia X, Xperia XA at the Mobile World Congress in Barcelona, Spain earlier this year. The Sony Xperia X Performance comes in dual and single SIM variants (both nano SIM slots). It has 2 GB RAM, 16 GB of internal storage, 200 GB micro SD card slot, Android Marshmallow operating system, 64 bit MediaTek MT6755 octa core processor, 2300 mAh battery, 5 inch HD display, 13 megapixel rear camera, 8 megapixel front camera, FM radio, and 4G connectivity.