Read This Before Install Windows 7 into Inspiron 15
Dell Inspiron 15 could say the cheap laptops. However, does it have a lower performance especially when installing Windows 7? Don’t judge that soon, let’s see the facts about the CPU first. That was depends upon the processor of Inspiron 15 have: Pentium Dual-Core or Core 2 Duo (C2D). If the Pentium is a 65nm and the C2D is a 45nm, then the C2D will use less power. If the Pentium is 45nm and the C2D is 45nm, or if both are 65nm, then it will use the same power.
The advanced Pentiums are likely the same as C2D except for different branding of course. It also brought down cache (but NGMA is not closely as cache qualified as Netburst, thought this is not a big deal), and no VT (but the low-end C2Ds also lack VT). In point of fact, they apply the exact same cores, and the distinction between Pentiums and C2Ds happen after the wafer constructed, during the final phase of production.
Even so, with the based of energy use, there is no divergence among of them. This with the assumption of the Pentium and C2D both use 45nm or both use 65nm. In terms of performance, the reduced cache will somewhat cut down the Pentium’s performance, but not importantly. In terms of value for the cost, the Pentium become a winner. The aforesaid prove the posts that say the Core 2 Duo is better than the Pentium are nonsense.