The S4 Mini has a 4.25" inch qHD S-Amoled Display powered by 1.7 GHz Dual-core Krait processor, Adreno 305 GPU coupled with 1.5GB RAM and 8GB internal storage. Packs with 8MP rear camera with LED Flash plus Full HD video recording and front facing camera for selfie and video calls. The usual connectivity - Wifi, Bluetooth, GPS and comes with USB-OTG and MHL-enabled microUSB port. The device has LTE so it be perfect for those with Unli-data plan. If you love the Samsung S4 but don't like a bigger phone then you might try the S4 Mini. You get almost the same goodies and to say the "Samsung experience" in bite size proportions.
Oh its not officially released but Online Seller Kimstore has made it possible to get it early at 22,400.00 / 21,800 (help with the sharing). :)
Specs Summary
Android 4.2.2 Jelly Bean with TouchWiz 5.0 Nature UX
4.25" 16M-color qHD (540 x 960 pixels) Super AMOLED capacitive touchscreen
1.7 GHz Dual-core Krait processor
Adreno 305 GPU
1.5 GB RAM
8 GB internal storage expandable via microSD
GSM 850/900/1800/1900 MHz;
UMTS 850/900/1900/2100 MHz,
HSDPA 21 Mbps, HSUPA 5.76 Mbps;
LTE
8 MP auto-focus camera with face detection, touch focus and image stabilization; with LED flash
Full HD (1080p) video recording at 30fps
Front facing camera for video-calls
Wi-Fi a/b/g/n, Wi-Fi hotspot
Bluetooth 4.0+HS
GPS with A-GPS and GLONASS
IR LED
MHL microUSB port,USB-on-the-go
FM radio
3.5mm audio jack
Accelerometer, Proximity, and Gyroscope sensor
Dimensions: 124.6 x 61.3 x 8.9 mm, 107 g