Full specs are here, you can compare it to the old Tab 3 version here.
Processor - MediaTek™ MT8167D Quad-core Processor (1.30GHz)
Operating System - Android 7.0 Nougat
Display - 7" (1024x600), IPS, capacitive-type multi-touch supports 5-finger gesture
Graphics - Integrated IMG GE8300 GPU in processor
Memory - 1GB / PCDDR4, soldered to systemboard
Webcam - Front: 2 MP, fixed focus Rear - 2 MP, fixed focus
Storage - 16GB eMMC flash memory on board
Storage extension - Up to 128GB microSD
Dimensions (W x D x H) - 194.8 x 102 x 8.8 mm
Weight - 254 g
Battery - 3450 mAh, Li-Ion Polymer 1-cell
Battery Life General usage - up to 13.5 hours, Standby time - ~ 9 days
Video playback (720p) - ~ 7 hours
Browsing time - ~ 6 hours
AC adaptor - 5V/1A
Sensors - G-Sensor
Audio support - Single speaker / single microphone, combo audio / microphone jack
GPS - GPS and A-GPS
Wireless LAN - WiFi 802.11 b/g/n, with Bluetooth 4.0
Ports - 1 x micro USB 2.0, 1 x microSD slot (microSD card not included), 1 x combo audio / mic jack
Specs thanks to Hamza
Thanks to TA for the Original 20% off at The Good Guys on eBay Deal Post
Can't imagine Nougat runs too well on a gig of ram? I know the tab3 essential is only just useable for light stuff with similar specs but running 5.0.