How powerful is cheap Windows tablet? We have tested the eStar Gemini 8 inch Windows 8.1 tablet for ~140 euros. Similar option available worldwide: Onda V819W Intel Z3735E - US$109.99 And the best bang for the buck Onda V891w Z3735F Quad Core 8.9 Inch Windows 8.1 Tablet - US$154.99
eStar gemini is rebranded Onda V819W. If you had V975W in mind, V975W is way better because of Retina screen and bigger battery ~10h on one charge.