20 tabs in chrome + office can be heavy usage. Don't forget that modern web is not different to playing intensive games. You can run whole office in browser. i3 with 2 cores can easily choke. But for the budget you cannot get better. Especially when cheap is not available due to market constraints (first satisfied are expensive products with higher margins and no one cares about cheapo stuff). If you have time 1+ year you can wait for the market to stabilize.