Xbitlabs reports that there are unofficial claims that Intel will add Pentium 4 processors with 1MB of cache into its product lineup later this year. Because of dramatic problems with 90nm Strained Silicon technology we reported about on Friday, the company presumably plans to strengthen its product lineup with Pentium 4 processors running at 2.80, 3.00 and 3.20GHz core-speeds with 1MB of cache to support sales this year amid Athlon 64 ramp.