Product comparison · 2 cpus

Fujitsu Xeon Processor E5540 vs HP Intel Xeon E5520

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

Key differences

The Fujitsu Xeon Processor E5540 has 0.27 GHz more processor base frequency than the HP Intel Xeon E5520 (2.53 GHz vs 2.26 GHz). Processor model: E5540 on the Fujitsu Xeon Processor E5540, E5520 on the HP Intel Xeon E5520. Processor cache type: L2 on the Fujitsu Xeon Processor E5540, L3 on the HP Intel Xeon E5520.

Processor model
- Xeon Processor E5540:E5540
- Intel Xeon E5520:E5520
Processor base frequency
- Xeon Processor E5540:2.53 GHz
- Intel Xeon E5520:2.26 GHz
Processor cache type
- Xeon Processor E5540:L2
- Intel Xeon E5520:L3

Side by side

Differences highlightedShow differences only

Comparison of Xeon Processor E5540, Intel Xeon E5520
45 specifications	A Fujitsu Xeon Processor E5540 View product	B HP Intel Xeon E5520 View product
Processor3 differ
Processor modelDiffers	E5540	E5520
Processor base frequencyDiffers	2.53 GHz	2.26 GHz
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 boost frequencyKnown for one	Unknown — not stated by the source	2.53 GHz
Processor cache typeDiffers	L2	L3
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
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	76 °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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