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Intel Celeron M 520 CPU

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Intel Celeron M 520 chipset compatibility

A list of chipsets, that support the Intel 520 microprocessor, was compiled from CPU support lists, published on our website.

Intel Celeron M 520 motherboard support

There are 3 motherboards, compatible with this processor. Complete list of these motherboards is available on the Intel Celeron M 520 motherboards page.

Intel Celeron M 520 specifications

The specs of the Celeron M processor are published with the permission from Please check CPU-World website for complete specifications.

General specs

Core Name:Merom
Manufacturing Process:0.065 micron
Socket Type:Socket M
The Number of Cores:1
The Number of Threads:1
Multiprocessing:Not supported
Frequency:1.6 GHz
Bus speed:533 MHz
L1 Cache:32 KB (code)
32 KB (data)
L2 Cache:1 MB
Thermal Design Power:26 / 30 Watt

Instructions and Technologies

Execute Disable Bit?Yes
64-bit Support?Yes
Hyper-Threading technology?No
Instruction Set Extensions:MMX
Supplemental SSE3

Part number of tray Intel 520 processors is LF80537NE0251M. Boxed CPUs have BX80537520 part number. Please see Intel Celeron M page for details on other processors from the family.

Celeron M 520 S-Spec numbers

Production versions of this Celeron M microprocessor had the following S-spec numbers:

S-Spec numberSteppingCPU ID

CPUs, similar to Intel Celeron M 520

The Intel 520 is a Socket M CPU, based on Merom core. There were also 9 Merom microprocessors, that work in the same socket. Brief characteristics and stepping information of these chips is provided below.

Model / PartCoresThreadsFrequencyFSBL2
Celeron M 520111.6 GHz533 MHz1MB26W++   
Celeron M 530111.733 GHz533 MHz1MB26W ++  
Core 2 Duo T5200221.6 GHz533 MHz2MB34W +   
Core 2 Duo T5300221.733 GHz533 MHz2MB34W    +
Core 2 Duo T5500221.667 GHz667 MHz2MB34W ++ +
Core 2 Duo T5600221.833 GHz667 MHz2MB34W +  +
Core 2 Duo T7200222 GHz667 MHz4MB34W +   
Core 2 Duo T7400222.167 GHz667 MHz4MB34W + + 
Core 2 Duo T7600222.333 GHz667 MHz4MB34W +   
Core 2 Duo T7600G222.333 GHz667 MHz4MB      

Intel Celeron M 520 performance

The table below shows average multi-threaded performance of the microprocessor compared to other Socket M processors with the same type of architecture. The performance value for many CPUs was determined from more than 10 different real-world and synthetic tests. For each benchmarked application, we calculated performance ratio between current CPU and the Celeron M 520, and then averaged the results. Overall performance of parts, marked with (1), was estimated using their specifications, and benchmarks of similar Intel Socket M microprocessors with Merom core.

Model / PartRelative performance Note
Core 2 Duo T7600
Core 2 Duo T7600G
Core 2 Duo T7200
Core 2 Duo T7400
Core 2 Duo T5600
Core 2 Duo T5500
Core 2 Duo T5300
Core 2 Duo T5200
Celeron M 530
Celeron M 520