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Core i5580M (PG) vs i77QM memory performance Memoryintensive tests or programs move large amounts of data to/from memory, and they depend more on memory throughput and the size of onchip caches, rather than on CPU integer/FP/SIMD performance Compared to the Core i76M, the 580M only has 3 MB Level 3 Cache A feature of the new Core i5580M is the integrated graphics card called GMA HD and memory controller for DDR3800/1066
