Intel Core 2 Duo T8300 vs Intel Core 2 Duo T8100 vs Intel Core 2 Duo T6400
Intel Core 2 Duo T8300
► remove from comparisonThe Intel Core 2 Duo T8300 was at the time of announcement a fast dual-core CPU for laptops with 3 MB level 2 cache. It is based on the Penryn core with all features enabled (but without the full 6MB level 2 cache). The later announced Core 2 Duo P7450 was cheaper and used less power.
Intel Core 2 Duo T8100
► remove from comparisonThe Intel Core 2 Duo T8100 is a mid-range dual-core processor for laptops from 2008. It is based on the Penryn core and offers all functions that were available at that time (e.g. Virtualization VT-x).
Intel Core 2 Duo T6400
► remove from comparisonThe Intel Core 2 Duo T6400 is an entry level dual core processor for cheap laptops. It is based on the Penryn core but offers only 2 MB level 2 cache and a slow clock speed of 2 GHz. The performance should be sufficient for office and other casual tasks but high level gaming and HD video editing for example could be limited by the CPU performance.
Benchmarks
Average Benchmarks Intel Core 2 Duo T8300 → 100% n=11
Average Benchmarks Intel Core 2 Duo T8100 → 89% n=11
Average Benchmarks Intel Core 2 Duo T6400 → 84% n=11

* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation