Product comparison · 2 cpus

Fujitsu Intel Xeon E5-2420 6C/12T 1.90 GHz 15 MB vs Lenovo Intel Xeon E5-2640

25specifications compared
7differ
18identical
23known for one product only

Key differences

Processor model
- Intel Xeon E5-2420 6C/12T 1.90 GHz 15 MB:E5-2420
- Intel Xeon E5-2640:E5-2640
Processor base frequency
- Intel Xeon E5-2420 6C/12T 1.90 GHz 15 MB:1.9 GHz
- Intel Xeon E5-2640:2.5 GHz
Processor socket
- Intel Xeon E5-2420 6C/12T 1.90 GHz 15 MB:LGA 1356 (Socket B2)
- Intel Xeon E5-2640:LGA 2011 (Socket R)
Processor boost frequency
- Intel Xeon E5-2420 6C/12T 1.90 GHz 15 MB:2.4 GHz
- Intel Xeon E5-2640:3 GHz
Memory bandwidth supported by processor (max)
- Intel Xeon E5-2420 6C/12T 1.90 GHz 15 MB:32 GB/s
- Intel Xeon E5-2640:42.6 GB/s
Maximum internal memory supported by processor
- Intel Xeon E5-2420 6C/12T 1.90 GHz 15 MB:375 GB
- Intel Xeon E5-2640:750 GB
Memory channels
- Intel Xeon E5-2420 6C/12T 1.90 GHz 15 MB:Triple-channel
- Intel Xeon E5-2640:Quad-channel

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5-2420 6C/12T 1.90 GHz 15 MB, Intel Xeon E5-2640
48 specifications	A Fujitsu Intel Xeon E5-2420 6C/12T 1.90 GHz 15 MB View product	B Lenovo Intel Xeon E5-2640 View product
Processor5 differ
Processor modelDiffers	E5-2420	E5-2640
Processor base frequencyDiffers	1.9 GHz	2.5 GHz
Processor socketDiffers	LGA 1356 (Socket B2)	LGA 2011 (Socket R)
Processor boost frequencyDiffers	2.4 GHz	3 GHz
Bus typeKnown for one	QPI	Unknown — not stated by the source
Number of QPI linksKnown for one	1	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Differs	32 GB/s	42.6 GB/s
Package typeKnown for one	Unknown — not stated by the source	Tray
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	30
Memory2 differ
Maximum internal memory supported by processorDiffers	375 GB	750 GB
Memory types supported by processorKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory channelsDiffers	Triple-channel	Quad-channel
Featuresidentical
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	24	Unknown — not stated by the source
PCI Express slots versionKnown for one	3.0	Unknown — not stated by the source
CPU configuration (max)Known for one	2	Unknown — not stated by the source
ScalabilityKnown for one	S2S	Unknown — not stated by the source
Processor special featuresidentical
Enhanced Intel SpeedStep TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	Yes	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Yes	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
CompatibilityKnown for one	PRIMERGY BX920 S3	Unknown — not stated by the source
Operational conditionsidentical
Maximum operating temperatureKnown for one	Unknown — not stated by the source	77.4 °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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