Product comparison · 2 cpus

Dell Intel Xeon E5540 vs Fujitsu Intel Xeon L5420

28specifications compared
16differ
12identical
21known for one product only

Key differences

Processor family
- Intel Xeon E5540:Intel® Xeon® 5000 Sequence
- Intel Xeon L5420:Intel® Xeon®
Processor model
- Intel Xeon E5540:E5540
- Intel Xeon L5420:L5420
Processor base frequency
- Intel Xeon E5540:2.53 GHz
- Intel Xeon L5420:2.5 GHz
Processor socket
- Intel Xeon E5540:Socket B (LGA 1366)
- Intel Xeon L5420:LGA 771 (Socket J)
Processor threads
- Intel Xeon E5540:8
- Intel Xeon L5420:4
Processor cache
- Intel Xeon E5540:8 MB
- Intel Xeon L5420:12 MB
Processor cache type
- Intel Xeon E5540:L3
- Intel Xeon L5420:L2
Thermal Design Power (TDP)
- Intel Xeon E5540:80 W
- Intel Xeon L5420:50 W

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5540, Intel Xeon L5420
49 specifications	A Dell Intel Xeon E5540 View product	B Fujitsu Intel Xeon L5420 View product
Processor10 differ
Processor familyDiffers	Intel® Xeon® 5000 Sequence	Intel® Xeon®
Processor modelDiffers	E5540	L5420
Processor base frequencyDiffers	2.53 GHz	2.5 GHz
Processor socketDiffers	Socket B (LGA 1366)	LGA 771 (Socket J)
Processor threadsDiffers	8	4
System bus rateKnown for one	5.86 GT/s	Unknown — not stated by the source
Processor boost frequencyKnown for one	2.8 GHz	Unknown — not stated by the source
Processor cacheDiffers	8 MB	12 MB
Processor cache typeDiffers	L3	L2
Thermal Design Power (TDP)Differs	80 W	50 W
VID Voltage RangeDiffers	0.75 - 1.35 V	0.85 - 1.35 V
SteppingDiffers	D0	E0
Bus typeKnown for one	QPI	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	19	Unknown — not stated by the source
Number of QPI linksKnown for one	2	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one	25.6 GB/s	Unknown — not stated by the source
FSB ParityKnown for one	Unknown — not stated by the source	Yes
Memoryidentical
Maximum internal memory supported by processorKnown for one	144 GB	Unknown — not stated by the source
Memory types supported by processorKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory clock speeds supported by processorKnown for one	800,1066 MHz	Unknown — not stated by the source
Memory channelsKnown for one	Triple-channel	Unknown — not stated by the source
ECCKnown for one	Yes	Unknown — not stated by the source
Graphics1 differ
On-board graphics cardDiffers	Yes	No
Features2 differ
Processing Die sizeDiffers	263 mm²	214 mm²
Embedded options availableDiffers	Yes	No
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	Yes
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	820 M
Number of Graphics & IMC Die TransistorsKnown for one	Unknown — not stated by the source	820 M
Graphics & IMC Die SizeKnown for one	Unknown — not stated by the source	214 mm²
Processor special features2 differ
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Turbo Boost TechnologyDiffers	Yes	No
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Yes	Unknown — not stated by the source
Intel 64Known for one	Unknown — not stated by the source	Yes
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
TcaseDiffers	76 °C	57 °C
Weight & dimensionsidentical
Package dimensions (WxDxH)Known for one	42.5 x 42.5 x 45 mm	Unknown — not stated by the source
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)Known for one	VT-d, VT-x	Unknown — not stated by the source

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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