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| Comparison of Entry IBM, Sun, and HP Unix Servers: HPC Workload | Percent | ||
| Small Configurations | July 2004 Integrity | Oct 2005 Integrity | Change |
| Vendor | Hewlett-Packard | Hewlett-Packard | |
| Make | Integrity | Integrity | |
| Model | rx1600-2 | rx1600-2 | |
| SMP | 2 Sockets/1 Core | 2 Sockets/1 Core | |
| Processor | Itanium 2 | Itanium 2 | |
| Speed | 1 GHz | 1.3 GHz | |
| L2 Cache/CPU | 1.5 MB | 3 MB | |
| Linpack TPP Megaflops | 3,528 | 4,595 | 30% |
| Memory | 2 GB | 2 GB | |
| Disk | 72 GB | 72 GB | |
| OS | HP-UX 11i Enterprise | HP-UX 11i Enterprise | |
| List Price | $10,870 | $12,326 | 13% |
| Cost Per Megaflops List | $3.08 | $2.68 | -13% |
| Medium Configurations | July 2004 Integrity | Oct 2005 Integrity | |
| Vendor | Hewlett-Packard | Hewlett-Packard | |
| Make | Integrity | Integrity | |
| Model | rx2600-2 | rx1600-2 | |
| SMP | 2 Sockets/1 Core | 2 Sockets/1 Core | |
| Processor | Itanium 2 | Itanium 2 | |
| Speed | 1.3 GHz | 1.6 GHz | |
| L2 Cache/CPU | 3 MB | 3 MB | |
| Linpack TPP Megaflops | 4,595 | 5,655 | 23% |
| Memory | 2 GB | 2 GB | |
| Disk | 72 GB | 146 GB | |
| OS | HP-UX 11i Enterprise | HP-UX 11i Enterprise | |
| List Price | $15,185 | $13,526 | -11% |
| Cost Per Megaflops List | $3.30 | $2.39 | -28% |
| Large Configurations | July 2004 Integrity | Oct 2005 Integrity | |
| Vendor | Hewlett-Packard | Hewlett-Packard | |
| Make | Integrity | Integrity | |
| Model | rx2600-2 | rx2600-2 | |
| SMP | 2 Sockets/2 Cores | 2 Sockets/2 Cores | |
| Processor | Itanium 2 | Itanium 2 | |
| Speed | 1.4 GHz | 1.6 GHz | |
| L2 Cache/CPU | 3 MB | 6 MB | |
| Linpack TPP Megaflops | 9,550 | 10,925 | 14% |
| Memory | 4 GB | 4 GB | |
| Disk | 72 GB | 146 GB | |
| OS | HP-UX 11i Enterprise | HP-UX 11i Enterprise | |
| List Price | $21,995 | $23,976 | 9% |
| Cost Per Megaflops List | $2.30 | $2.19 | -5% |
| Extra Large Configurations | July 2004 Integrity | Oct 2005 Integrity | |
| Vendor | Hewlett-Packard | Hewlett-Packard | |
| Make | Integrity | Integrity | |
| Model | rx5670 | rx4640 | |
| SMP | 4 Sockets/4 Cores | 4 Sockets/4 Cores | |
| Processor | Itanium 2 | Itanium 2 | |
| Speed | 1.5 GHz | 1.6 GHz | |
| L2 Cache/CPU | 6 MB | 9 MB | |
| Linpack TPP Megaflops | 18,180 | 19,470 | 7% |
| Memory | 8 GB | 8 GB | |
| Disk | 72 GB | 72 GB | |
| OS | HP-UX 11i Enterprise | HP-UX 11i Enterprise | |
| List Price | $93,733 | $81,368 | -13% |
| Cost Per Megaflops List | $5.16 | $4.18 | -19% |
| Note: These configurations include no database and no tape drive | |||