Product comparison · 2 cpus

Fujitsu Intel Xeon E5540 vs Lenovo Intel Xeon Processor L5520

13specifications compared
5differ
8identical
6known for one product only

Key differences

The Fujitsu Intel Xeon E5540 has 0.27 GHz more processor base frequency than the Lenovo Intel Xeon Processor L5520 (2.53 GHz vs 2.26 GHz). The Fujitsu Intel Xeon E5540 has 20 W more thermal Design Power (TDP) than the Lenovo Intel Xeon Processor L5520 (80 W vs 60 W). The Fujitsu Intel Xeon E5540 has 2 more CPU multiplier (bus/core ratio) than the Lenovo Intel Xeon Processor L5520 (19 vs 17). Processor model: E5540 on the Fujitsu Intel Xeon E5540, L5520 on the Lenovo Intel Xeon Processor L5520. Processor cache type: L3 on the Fujitsu Intel Xeon E5540, L2 on the Lenovo Intel Xeon Processor L5520.

Processor model
- Intel Xeon E5540:E5540
- Intel Xeon Processor L5520:L5520
Processor base frequency
- Intel Xeon E5540:2.53 GHz
- Intel Xeon Processor L5520:2.26 GHz
Processor cache type
- Intel Xeon E5540:L3
- Intel Xeon Processor L5520:L2
Thermal Design Power (TDP)
- Intel Xeon E5540:80 W
- Intel Xeon Processor L5520:60 W
CPU multiplier (bus/core ratio)
- Intel Xeon E5540:19
- Intel Xeon Processor L5520:17

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5540, Intel Xeon Processor L5520
19 specifications	A Fujitsu Intel Xeon E5540 View product	B Lenovo Intel Xeon Processor L5520 View product
Processor5 differ
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E5540	L5520
Processor base frequencyDiffers	2.53 GHz	2.26 GHz
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
Processor lithography	45 nm	45 nm
Package type	Tray	Tray
Component for	Server/workstation	Server/workstation
System bus rateKnown for one	Unknown — not stated by the source	5.86 GT/s
Processor operating modes	64-bit	64-bit
Processor cache	8 MB	8 MB
Processor cache typeDiffers	L3	L2
L2 cache speedKnown for one	Unknown — not stated by the source	2.26 GHz
Thermal Design Power (TDP)Differs	80 W	60 W
VID Voltage RangeKnown for one	Unknown — not stated by the source	0.75 - 1.35 V
CPU multiplier (bus/core ratio)Differs	19	17
Processor coresKnown for one	4	Unknown — not stated by the source
Processor core voltage (AC)Known for one	0.75 - 1.35 V	Unknown — not stated by the source
Featuresidentical
Market segment	Server	Server
Operational conditionsidentical
Maximum operating temperatureKnown for one	Unknown — not stated by the source	70 °C

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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