Intel Xeon MP L7555 - AT80604004875AA

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Intel Xeon L7555 specifications

General information

Type

CPU / Microprocessor

Market segment

Server

Family

Intel Xeon 7500

Model number ?

L7555

CPU part number

AT80604004875AA is an OEM/tray microprocessor

Frequency ?

1867 MHz

Turbo frequency

2533 MHz (2 cores)
2000 MHz (8 cores)

Bus speed ?

5.86 GT/s QPI (2933 MHz)

Package

1567-land Flip-Chip Land Grid Array (FC-LGA8)

Socket

Socket 1567 (LGA1567)

Introduction date

Mar 30, 2010

Price at introduction

$3157

S-spec numbers

	Production processors
Part number	SLBRF
AT80604004875AA	+

Architecture / Microarchitecture

Microarchitecture

Nehalem

Platform

Boxboro-EX

Processor core ?

Beckton

Core stepping ?

D0 (SLBRF)

CPUID

206E6 (SLBRF)

Manufacturing process

0.045 micron

Data width

64 bit

The number of cores

The number of threads

Floating Point Unit

Integrated

Level 1 cache size ?

8 x 32 KB instruction caches
8 x 32 KB data caches

Level 2 cache size ?

8 x 256 KB

Level 3 cache size

24 MB

Multiprocessing

Up to 8 processors

Features

MMX instructions
SSE / Streaming SIMD Extensions
SSE2 / Streaming SIMD Extensions 2
SSE3 / Streaming SIMD Extensions 3
SSSE3 / Supplemental Streaming SIMD Extensions 3
SSE4 / SSE4.1 + SSE4.2 / Streaming SIMD Extensions 4 ?
EM64T / Extended Memory 64 technology / Intel 64 ?
VT-x / Virtualization technology ?
VT-d / Virtualization for directed I/O
NX / XD / Execute disable bit ?
RAS with Machine Check Architecture recovery
HT / Hyper-Threading technology ?
TBT / Turbo Boost technology ?

Low power features

Enhanced SpeedStep technology ?

On-chip peripherals

2 integrated DDR3 SDRAM memory controllers with 2 dual-channel Scalable Memory Interfaces per controller
Quick Path Interconnect (4 links)
PCI Express 2.0 interface

Electrical / Thermal parameters

V core ?

0.675V - 1.35V

Maximum operating temperature ?

70°C

Thermal Design Power ?

95 Watt

CPUs, related to Intel Xeon L7555

Model Cores /
Threads Freq. Turbo
freq. L3
cache Multi-
processing TDP Features Price

Intel Xeon 7500 family, Socket 1567

   Xeon E7520 4 / 8 1.86 GHz 18 MB 4 95 Watt HT, TBT

   Xeon E7530 6 / 12 1.86 GHz 2.13 GHz 12 MB 4 105 Watt HT, TBT

   Xeon E7540 6 / 12 2 GHz 2.26 GHz 18 MB 8 105 Watt HT, TBT

   Xeon L7545 6 / 12 1.86 GHz 2.53 GHz 18 MB 8 95 Watt HT, TBT

   Xeon X7542 6 / 6 2.66 GHz 2.8 GHz 18 MB 8 130 Watt HT, TBT

   Xeon X7550 8 / 16 2 GHz 2.4 GHz 18 MB 8 130 Watt HT, TBT

   Xeon L7555 8 / 16 1.86 GHz 2.53 GHz 24 MB 8 95 Watt HT, TBT

   Xeon X7560 8 / 16 2.26 GHz 2.66 GHz 24 MB 8 130 Watt HT, TBT

Other families, Nehalem micro-architecture, Socket 1567

   Xeon E7-2850 10 / 20 2 GHz 2.4 GHz 24 MB 2 130 Watt AES, HT, TXT, TBT $2558

   Xeon E7-4850 10 / 20 2 GHz 2.4 GHz 24 MB 4 130 Watt AES, HT, TXT, TBT $2837

   Xeon E7-8850 10 / 20 2 GHz 2.4 GHz 24 MB 8 130 Watt AES, HT, TXT, TBT $3059

   Xeon E7-8867L 10 / 20 2.13 GHz 2.53 GHz 30 MB 8 105 Watt AES, HT, TXT, TBT $4172

   Xeon E7-2860 10 / 20 2.26 GHz 2.66 GHz 24 MB 2 130 Watt AES, HT, TXT, TBT $3670

   Xeon E7-4860 10 / 20 2.26 GHz 2.66 GHz 24 MB 4 130 Watt AES, HT, TXT, TBT $3838

   Xeon E7-8860 10 / 20 2.26 GHz 2.66 GHz 24 MB 8 130 Watt AES, HT, TXT, TBT $4061

   Xeon E7-2870 10 / 20 2.4 GHz 2.8 GHz 30 MB 2 130 Watt AES, HT, TXT, TBT $4227

   Xeon E7-4870 10 / 20 2.4 GHz 2.8 GHz 30 MB 4 130 Watt AES, HT, TXT, TBT $4394

   Xeon E7-8870 10 / 20 2.4 GHz 2.8 GHz 30 MB 8 130 Watt AES, HT, TXT, TBT $4616

• Highlighted numbers and features indicate whether specific processor performs better or worse than Xeon L7555

• Within each category, the CPUs are sorted from slower (at the top) to faster (at the bottom)

• The 'Price' column shows official Intel prices as of Jun 9, 2013. Prices for obsolete and tray-only processors are not provided.

• List of related CPUs is not complete.

• Features abbreviations:

AES - AES instructions
HT - Hyper-Threading
TXT - Trusted Execution
TBT - Dynamic Acceleration / Turbo Boost

FAQ

Q: Is it possible to upgrade my L7555 processor?

A: Probably yes. CPU compatibility is determined by your motherboard. Please see CPU-Upgrade.com resource for CPU support list for your board.

Intel L7555 Overclocking

Sorry, overclocking information is not available at this time.

Pictures (0)

News

Intel discontinues Xeon and Atom processors

Jun 05, 2012: Intel today announced discontinuation of large number of Atom and Xeon microprocessors. By the end of this year, the company is going to retire 45nm Atom CPUs with "Pineview" core. Furthermore, Intel will discontinue Xeon 3400-series chips for single-socket workstations, and Xeon MPs from 6500 and 7500 series. Most of End-of-Lifed microprocessors were introduced in the second half of 2009 and the first half of 2010.

Intel introduces Xeon 7500 and 6500 series

Mar 30, 2010: One day after AMD's launch of Opteron 6100 series of 8 and 12-core microprocessors, Intel responds by revealing their latest top lines of Xeon 4, 6 and 8-core CPUs ...

CPU ID

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Last modified: 14 Jun 2013