Samsung Galaxy Z is the budget-friendly of Samsung Galaxy S II

A variant of the Samsung smartphone Galaxy series is now growing again, by presenting Android phones Samsung Galaxy Z or Samsung I9103
.
Samsung Galaxy Z is actually similar to the Samsung Galaxy S II, but with lower specs.
Where if Samsung Galaxy S II brings technology Super Amoled Plus on the screen size 4.3 inch, Samsung Galaxy Z wearing only a screen S LCD  on the 4.2 inch screen. They are the same 480x800 resolution.

Processors Samsung Galaxy Z is a dual-core 1 GHz Nvidia Tegra 2. Compare the property  Samsung Galaxy S II is a dual core 1.2 GHz Exynos.

Samsung Galaxy Z only carrying a 5 MP camera with 720p HD video recording capabilities. While the Samsung Galaxy S II has a 8 MP camera and can record 1080p HD video.

Physically, both phones are almost the same but for the Samsung Galaxy Z a little thicker and heavier than the Samsung Galaxy S II.  
Samsung Galaxy Z is sold for about U.S. $ 630

Samsung Galaxy Z (Samsung I9103) specs:

• 4.2″ SC-LCD capacitive touchscreen 480 x 800 pixels
• Dual-core 1GHz ARM Cortex-A9 processor
• GeForce GPU, Tegra 2 chipset
• 1GB RAM, 2GB ROM
• Android 2.3 Gingerbread 
• 8GB storage
• Slot microSD card up to 32GB
• 5MP auto-focus camera with LED flash
• 1.3MP front-facing camera
• 720p video recording
• WiFi 802.11 b/g/n
• Bluetooth 2.1 with A2DP
• GPS with aGPS support
• FM radio
• Battery Li-Ion 1650 mAh