The Samsung Galaxy Tab 3 10.1 16gb WiFi is a 10.1 inch tablet with approximately 149 ppi pixel density. The TFT capacitive touchscreen supports up to 16M colours and has a 16GB memory. You can add memory to the device using microSD card it can support up to 64GB memory. The primary camera is 5MP which is back facing and the secondary camera is 1.9 MP. The device can record video at 720p@30fps. It is powered with Cortex-A9 Quad-core processor which runs at 1.4 GHz and the OS is Android 4.0.3 (Ice Cream Sandwich) which is upgradable to 4.1 (Jelly Bean).
The LG G pad 8.3 16gb is a 8.3 inch LCD capacitive touchscreen supporting up to 16M colours. The pixel density is much better compared to Samsung Galaxy Tab 3 10.1 at approximately 273 ppi pixel density for LG G pad 8.3 16gb. It has 16GB internal memory and can be extended by adding 64 GB by additional microSD card. The back facing camera is 5 MP and can record videos at 1080p@30fps. The secondary camera is modest 1.3MP the processor is Krait 300 which is a Quad-core processor running at 1.7 GHz. This device has a dedicated GPU. This Android device is powered with Android Jelly Bean (4.2.2).