The Satellite C70D-B has a better processor family than most medium processor core laptops that have been around for around the same time as it. This laptop has an AMD E processor family, whereas most notebook PCs that have been on the market for around the same time as it have an Intel Core i5-5xxx processor family.
An AMD E processor family is in fact the worst processor family amongst all medium processor core laptops that came out around the same time as the Satellite C70D-B.
The best processor family across similar types of laptop is Intel Core i7-3xxx.
If you are looking for a notebook PC with a better processor family then you might want to consider the DELL Latitude 15 3550 (£379.98) (Intel Core i3-5xxx), or the Acer Aspire E5-571 (Intel Core i3-5xxx) which is also cheaper.