All Xeon Models

ByMike S.

Xeon MP

Contents

As we explained, the difference between Xeon MP and Xeon is the number of supported CPUs for SMP (symmetric multiprocessing): Xeon supports SMP up to two CPUs on the same motherboard and Xeon MP supports up to four CPUs per bus.

It is possible to build servers with more than four Xeon MP CPUs on the same motherboard. In this case the processors should be tied in groups of four – since they only support up to four processors per bus. For example, on a server with eight Xeon MP processors, the first four will be connected to the same bus and the other four will be connected to another bus. The connection between the busses should be done by the chipset.

The main technical features of Xeon MP are:

  • Socket 603.
  • L1 execution trace cache of 150 KB.
  • L1 data cache of 8 KB or 16 KB on the models with EM64T technology (64-bit technology).
  • Direct symmetric multiprocessing (SMP) up to four CPUs.
  • Hyper-Threading technology.

In the table below we listed all Xeon MP models released to date.

TDP stands for Thermal Design Power and indicates the CPU maximum thermal dissipation, i.e., the CPU cooler must be able to dissipate at least this amount of heat.

sSpec Internal Clock External Clock Tech. TDP L2 Cache L3 Cache Max. Temp. (° C) SSE3 Execute Disable 64-bit
SL84W 3.66 GHz 667 MHz 90 nm 110 W 1 MB – 73 Yes Yes Yes
SL84UN 3.66 GHz 667 MHz 90 nm 110 W 1 MB – 73 Yes Yes Yes
SL8EY 3.33 GHz 667 MHz 90 nm 129 W 1 MB 8 MB 73 Yes Yes Yes
SL84U 3.16 GHz 667 MHz 90 nm 110 W 1 MB – 73 Yes Yes Yes
SL8UM 3.16 GHz 667 MHz 90 nm 110 W 1 MB – 73 Yes Yes Yes
SL79V 3 GHz 400 MHz 130 nm 85 W 512 KB 4 MB 71 No No No
SL8EW 3 GHz 667 MHz 90 nm 129 W 1 MB 8 MB 73 Yes Yes Yes
SL8ED 2.83 GHz 667 MHz 90 nm 129 W 1 MB 4 MB 73 Yes Yes Yes
SL6YL 2.80 GHz 400 MHz 130 nm 72 W 512 KB 2 MB 69 No No No
SL79Z 2.70 GHz 400 MHz 130 nm 80 W 512 KB 2 MB 70 No No No
SL6Z2 2.50 GHz 400 MHz 130 nm 66 W 512 KB 1 MB 70 No No No
SL6Z7 2.50 GHz 400 MHz 130 nm 66 W 512 KB 1 MB 70 No No No
SL7A5 2.20 GHz 400 MHz 130 nm 65 W 512 KB 2 MB 65 No No No
SL6YJ 2 GHz 400 MHz 130 nm 57 W 512 KB 1 MB 69 No No No
SL6Z6 2 GHz 400 MHz 130 nm 57 W 512 KB 1 MB 69 No No No
SL6KD 2 GHz 400 MHz 130 nm 57 W 512 KB 2 MB 69 No No No
SL66Z 2 GHz 400 MHz 130 nm 57 W 512 KB 2 MB 69 No No No
SL6H2 1.90 GHz 400 MHz 130 nm 55 W 512 KB 1 MB 68 No No No
SL6KC 1.90 GHz 400 MHz 130 nm 55 W 512 KB 1 MB 68 No No No
SL5G8 1.60 GHz 400 MHz 180 nm 72 W 512 KB 1 MB 78 No No No
SL5S4 1.60 GHz 400 MHz 180 nm 72 W 512 KB 1 MB 78 No No No
SL6GZ 1.50 GHz 400 MHz 130 nm 48 W 512 KB 1 MB 67 No No No
SL6KB 1.50 GHz 400 MHz 130 nm 48 W 512 KB 1 MB 67 No No No
SL5RW 1.50 GHz 400 MHz 180 nm 68 W 256 KB 512 KB 76 No No No
SL5G2 1.50 GHz 400 MHz 180 nm 68 W 256 KB 512 KB 76 No No No
SL5FZ 1.40 GHz 400 MHz 180 nm 64 W 256 KB 512 KB 74 No No No
SL5RV 1.40 GHz 400 MHz 180 nm 64 W 256 KB 512 KB 74 No No No

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