130 IBM eX5 Implementation Guide4.7 Processor optionsSeveral Intel Xeon 6500 and Xeon 7500 processor options are available for the x3690 X5, aslisted in Table 4-5.Table 4-5 x3690 X5 processor optionsSee 2.2, “Intel Xeon 6500 and 7500 family processors” on page 16 for an in-depth descriptionof the Intel Xeon 6500/7500 processor family and features.Most processors support Intel Turbo Boost Technology with a couple of exceptions, as listedin Table 4-5. When a CPU operates beneath its thermal and electrical limits, Turbo Boostdynamically increases the processor’s clock frequency by 133 MHz on short and regularintervals until an upper limit is reached. See 2.2.3, “Turbo Boost Technology” on page 18 formore information.With the exception of the X7542, all CPUs that are listed support Intel Hyper-ThreadingTechnology. Hyper-Threading Technology (HT) is an Intel technology that is used to improvePartnumberFeaturecodeIntel model# of cores (C)CorespeedL3cacheQPI LinkGT/sMemoryspeedPowerTDPaa. Thermal design powerHTbb. Intel Hyper-Threading TechnologyTBcc. Intel Turbo Boost TechnologyMAX5Advanced processors (X)60Y0311 4469 Xeon X7560 8C 2.26 GHz 24 MB 6.4 GT/s 1066 MHz 130W Yes Yes Yes60Y0313 4471 Xeon X7550 8C 2.00 GHz 18 MB 6.4 GT/s 1066 MHz 130W Yes Yes Yes60Y0321 4479 Xeon X7542 6C 2.66 GHz 18 MB 5.86 GT/s 977 MHz 130W No Yes Yes60Y0319 4477 Xeon X6550 8C 2.00 GHz 18 MB 6.4 GT/s 1066 MHz 130W Yes Yes YesStandard processors (E)60Y0315 4473 Xeon E7540 6C 2.00 GHz 18 MB 6.4 GT/s 1066 MHz 105W Yes Yes Yes60Y0316 4474 Xeon E7530 6C 1.86 GHz 12 MB 5.86 GT/s 977 MHz 105W Yes Yes Yes60Y0317 4475 Xeon E7520 4C 1.86 GHz 18 MB 4.8 GT/s 800 MHz 95W Yes No Yes60Y0320 4478 Xeon E6540 6C 2.00 GHz 18 MB 6.4 GT/s 1066 MHz 105W Yes Yes Yes60Y0318 4476 Xeon E6510 4C 1.73 GHz 12 MB 4.8 GT/s 800 MHz 105W Yes No NoLow-power processors (L)60Y0312 4470 Xeon L7555 8C 1.86 GHz 24 MB 5.86 GT/s 977 MHz 95W Yes Yes Yes60Y0314 4472 Xeon L7545 6C 1.86 GHz 18 MB 5.86 GT/s 977 MHz 95W Yes Yes YesClarification: The Xeon E6510 does not support the use of the MAX5 memory expansion unit. The x3690 X5 announcement letter incorrectly reports that the L3 cache of the X7542 is12 MB. Also, the announcement letter incorrectly states that the E6540 does not have TurboBoost mode.