Product comparison · 2 cpus

Fujitsu Xeon Processor L5520 vs HP Intel Xeon E5520

13specifications compared
3differ
10identical
32known for one product only

Key differences

The HP Intel Xeon E5520 has 20 W more thermal Design Power (TDP) than the Fujitsu Xeon Processor L5520 (80 W vs 60 W). Processor model: L5520 on the Fujitsu Xeon Processor L5520, E5520 on the HP Intel Xeon E5520. Processor cache type: L2 on the Fujitsu Xeon Processor L5520, L3 on the HP Intel Xeon E5520.

Processor model
- Xeon Processor L5520:L5520
- Intel Xeon E5520:E5520
Processor cache type
- Xeon Processor L5520:L2
- Intel Xeon E5520:L3
Thermal Design Power (TDP)
- Xeon Processor L5520:60 W
- Intel Xeon E5520:80 W

Side by side

Differences highlightedShow differences only

Comparison of Xeon Processor L5520, Intel Xeon E5520
45 specifications	A Fujitsu Xeon Processor L5520 View product	B HP Intel Xeon E5520 View product
Processor3 differ
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	L5520	E5520
Processor base frequency	2.26 GHz	2.26 GHz
Processor cores	4	4
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
Processor lithography	45 nm	45 nm
Component for	Server/workstation	Server/workstation
Processor threadsKnown for one	Unknown — not stated by the source	8
System bus rateKnown for one	Unknown — not stated by the source	5.86 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.53 GHz
Processor cache	8 MB	8 MB
Processor cache typeDiffers	L2	L3
Thermal Design Power (TDP)Differs	60 W	80 W
VID Voltage Range	0.75 - 1.35 V	0.75 - 1.35 V
SteppingKnown for one	Unknown — not stated by the source	D0
Bus typeKnown for one	Unknown — not stated by the source	QPI
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	25.6 GB/s
Package typeKnown for one	Box	Unknown — not stated by the source
Processor front side busKnown for one	1066 MHz	Unknown — not stated by the source
Memoryidentical
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	144 GB
Memory types supported by processorKnown for one	Unknown — not stated by the source	DDR3-SDRAM
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	800,1066 MHz
Memory channelsKnown for one	Unknown — not stated by the source	Triple-channel
ECCKnown for one	Unknown — not stated by the source	Yes
Graphicsidentical
On-board graphics cardKnown for one	Unknown — not stated by the source	No
Featuresidentical
Execute Disable BitKnown for one	Unknown — not stated by the source	Yes
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Market segment	Server	Server
Processing Die sizeKnown for one	Unknown — not stated by the source	731 mm²
Number of Graphics & IMC Die TransistorsKnown for one	Unknown — not stated by the source	263 M
CPU configuration (max)Known for one	Unknown — not stated by the source	2
Processor special featuresidentical
Enhanced Intel SpeedStep TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	Yes
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology (VT-x)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
TcaseKnown for one	Unknown — not stated by the source	72 °C
Maximum operating temperatureKnown for one	70 °C	Unknown — not stated by the source
Weight & dimensionsidentical
Processor package sizeKnown for one	Unknown — not stated by the source	42.5 mm
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)Known for one	Unknown — not stated by the source	VT-d, VT-x

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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