Mac Mini

2.3GHz dual-core Intel Core i5 with 3MB on-chip shared L3 cache
Intel HD Graphics 3000 processor with 288MB of DDR3 SDRAM (shared)
Mac OSX Leopard & iLife ‘09
2GB of 1333MHz DDR3 memory
500GB (5400-rpm) hard drive
OS X Lion

Mac Mini

2.5GHz dual-core Intel Core i5 with 3MB on-chip shared L3 cache
AMD Radeon HD 6630M graphics processor with 256MB of GDDR5 memory
Mac OSX Server 10.6.3
4GB of 1333MHz DDR3 memory
500GB (5400-rpm) hard drive
OS X Lion