Product comparison · 2 cpus

Fujitsu Xeon Processor E5540 vs Lenovo Intel Xeon Processor L5520

14specifications compared
5differ
9identical
5known for one product only

Key differences

The Fujitsu Xeon Processor 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 Xeon Processor E5540 has 20 W more thermal Design Power (TDP) than the Lenovo Intel Xeon Processor L5520 (80 W vs 60 W). The Fujitsu Xeon Processor E5540 has 6°C more maximum operating temperature than the Lenovo Intel Xeon Processor L5520 (76 °C vs 70 °C). Processor model: E5540 on the Fujitsu Xeon Processor E5540, L5520 on the Lenovo Intel Xeon Processor L5520. Package type: Box on the Fujitsu Xeon Processor E5540, Tray on the Lenovo Intel Xeon Processor L5520.

Processor model
- Xeon Processor E5540:E5540
- Intel Xeon Processor L5520:L5520
Processor base frequency
- Xeon Processor E5540:2.53 GHz
- Intel Xeon Processor L5520:2.26 GHz
Package type
- Xeon Processor E5540:Box
- Intel Xeon Processor L5520:Tray
Thermal Design Power (TDP)
- Xeon Processor E5540:80 W
- Intel Xeon Processor L5520:60 W
Maximum operating temperature
- Xeon Processor E5540:76 °C
- Intel Xeon Processor L5520:70 °C

Side by side

Differences highlightedShow differences only

Comparison of Xeon Processor E5540, Intel Xeon Processor L5520
19 specifications	A Fujitsu Xeon Processor E5540 View product	B Lenovo Intel Xeon Processor L5520 View product
Processor4 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 typeDiffers	Box	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 type	L2	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 Range	0.75 - 1.35 V	0.75 - 1.35 V
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	17
Processor coresKnown for one	4	Unknown — not stated by the source
Processor front side busKnown for one	1066 MHz	Unknown — not stated by the source
Featuresidentical
Market segment	Server	Server
Operational conditions1 differ
Maximum operating temperatureDiffers	76 °C	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.

More cpu comparisons

All cpu comparisons