An Enterprise Database Performance Comparison of the Dell PowerEdge 6850 and the Sun Fire V490 UltraSPARC Server
By Todd Muirhead and Dave Jaffe
Both the Intel x86 and Sun SPARC architectures have moved into the realm of multicore processors. In this study of four socket, dual core database servers from Dell and Sun, the Dell PowerEdge 6850 with Intel's fastest four socket processors significantly outperforms the much more expensive Sun Fire V490 with four of Sun's fastest UltraSPARC IV+ processors.

An Enterprise Database Performance Comparison of the Dell PowerEdge 2950 and the Sun Fire V490 UltraSPARC Server
By Dave Jaffe and Todd Muirhead
In a previous study of Intel x86 and Sun SPARC multicore processor-based servers from Dell and Sun, we compared two four socket, dual core servers, the Dell PowerEdge 6850 and the Sun Fire V490. In this study we compare a 2-node cluster of Dell PowerEdge 2950 servers with the fastest Intel two socket processors against the Sun Fire V490 with four of Sun's fastest UltraSPARC IV+ processors. The Dell cluster has the same number of cores, eight, as the Sun four socket server, but outperforms the Sun Fire V490 while providing the high availability of a cluster.

Enterprise Database Performance on Dual Core Servers: A Comparison of the Dell PowerEdge 2850 and HP ProLiant DL385
By Todd Muirhead and Dave Jaffe
In order to illustrate the performance advantage of Intel Xeon dual core two socket servers over Hewlett-Packard two socket servers with AMD Opteron processors, the same on-line transaction processing (OLTP) workload was run on a Dell PowerEdge 2850 using Intel Xeon dual core processors and the HP ProLiant DL385 AMD dual core Opteron-based server. The Dell PowerEdge 2850 was able to complete 10% more orders per minute than the HP DL385 while being 8% less expensive resulting in an 18% price/performance advantage.

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