This is the first only budget phone with good specs. I am using it since 1month and updated to windows 10 mobile and run fluidly without any lag and it is my primary phone. Good Job Microsoft.
It has dualcore qualcom snapdragon 200 processor with good 1gb ram and handle multitasking and casual game for example: angry birds etc. And builtin office is good to edit presentation and documentation in pocket any time any where.