AMD Phenom II X4 975 & 840 Reviewajmatson - January 3, 2011
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SiSoft Sandra is a diagnostic utility and synthetic benchmarking program. Sandra allows you to view your hardware at a higher level to be more helpful. For this benchmark, I will be running a broad spectrum of tests to gauge the performance of key functions of the CPUs.
Cache and Memory
Power Management Efficiency
Here, the X4 840 was a bit faster than the Athlon II X4 processor. The X4 975 was still the best AMD quad-core.