Complex sentence: The Samuel core was very a simple RISC design and an evolution of the WinChip processors (the unreleased WinChip 4), designed for higher clock speeds, with more L1 cache (still no L2), and using newer, smaller manufacturing technology.
Split into simpler sentences: The Samuel core was a simpler RISC design, being an evolution of the WinChip processors (the unreleased WinChip 4). Samuel was designed for higher clock speeds, with more L1 cache (but no L2), and used smaller manufacturing technology.