The Sony Ericsson Xperia Arc S packs a 1.4 GHz Scorpion processor, Adreno 205 GPU, Qualcomm MSM8255T Snapdragon and has 512 MB of RAM..

The Sony Ericsson Xperia Arc S handset is only 8.7mm thick and has a large 4.2" capacitive touchscreen of FWVGA (854 x 480 pixels) resolution, which Sony Ericsson call Reality display. A mineral glass is installed on top of the LCD screen to protect it from scratches, while the Bravia Engine Mobile should notably improve its image quality.

The handset is running on Android 2.3 Gingerbread, offers an 8 megapixel still camera with the new backlit Sony Exmor R sensor and 720p HD video recording capabilities. The f/2.4 aperture of the camera lens should improve the low-light performance of the Xperia Arc S camera even further.

The device comes with 320 MB storage, 512 MB RAM inbuilt memory and it has capacity to support external memory up to 32GB microSD memory card and 8GB memory card comes with new phone.

Audio wise the Sony Ericsson Xperia Arc S features MP4, MP3 and Stereo FM radio with RDS for entertainment purpose. It also has loudspeaker, 3.5mm headphone connector and TrackID music recognition.

Connectivity features include Bluetooth with A2DP, Wi-Fi, 3G (HSDPA 7.2 Mbps) (HSUPA 5.76 Mbps), GPS with Maps, GPRS, EDGE and microUSB.

Xperia Arc S comes with Li-Po 1500 MAH standard battery which gives pretty good battery back talk time up to 7 h 25 min (2G) / up to 7 h 35 min (3G), standby up to 460 h (2G) / Up to 460 h (3G) and it can play music player continuously up to 37 hours.

The dimension of the Sony Ericsson Xperia Arc S are 125 x 63 x 8.7 mm and it weighs 117 gm.