Product comparison · 2 cpus

Lenovo Intel Xeon E5-2658 v2 vs Lenovo Intel Xeon E5-4657L v2

48specifications compared
13differ
35identical
6known for one product only

Key differences

Processor family
- Intel Xeon E5-2658 v2:Intel® Xeon® E5 V2 Family
- Intel Xeon E5-4657L v2:Intel® Xeon® E5 Family
Processor model
- Intel Xeon E5-2658 v2:E5-2658V2
- Intel Xeon E5-4657L v2:E5-4657LV2
Processor cores
- Intel Xeon E5-2658 v2:10
- Intel Xeon E5-4657L v2:12
Processor threads
- Intel Xeon E5-2658 v2:20
- Intel Xeon E5-4657L v2:24
Processor boost frequency
- Intel Xeon E5-2658 v2:3 GHz
- Intel Xeon E5-4657L v2:2.9 GHz
Processor cache
- Intel Xeon E5-2658 v2:25 MB
- Intel Xeon E5-4657L v2:30 MB
Thermal Design Power (TDP)
- Intel Xeon E5-2658 v2:95 W
- Intel Xeon E5-4657L v2:115 W
VID Voltage Range
- Intel Xeon E5-2658 v2:0.65 - 1.30 V
- Intel Xeon E5-4657L v2:0.65 - 1.3 V

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5-2658 v2, Intel Xeon E5-4657L v2
54 specifications	A Lenovo Intel Xeon E5-2658 v2 View product	B Lenovo Intel Xeon E5-4657L v2 View product
Processor8 differ
Processor familyDiffers	Intel® Xeon® E5 V2 Family	Intel® Xeon® E5 Family
Processor modelDiffers	E5-2658V2	E5-4657LV2
Processor base frequency	2.4 GHz	2.4 GHz
Processor coresDiffers	10	12
Processor socket	LGA 2011 (Socket R)	LGA 2011 (Socket R)
Processor lithography	22 nm	22 nm
Component for	Server/workstation	Server/workstation
Processor threadsDiffers	20	24
System bus rate	8 GT/s	8 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyDiffers	3 GHz	2.9 GHz
Processor cacheDiffers	25 MB	30 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)Differs	95 W	115 W
VID Voltage RangeDiffers	0.65 - 1.30 V	0.65 - 1.3 V
Bus type	QPI	QPI
Number of QPI links	2	2
Memory bandwidth supported by processor (max)	59.7 GB/s	59.7 GB/s
Processor codenameKnown for one	Unknown — not stated by the source	Ivy Bridge
Memoryidentical
Maximum internal memory supported by processor	768 GB	768 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processor	800,1066,1333,1600,1866 MHz	800,1066,1333,1600,1866 MHz
Memory channels	Quad-channel	Quad-channel
ECC	Yes	Yes
Graphicsidentical
On-board graphics card	No	No
Features4 differ
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Thermal Monitoring Technologies	Yes	Yes
Market segmentDiffers	Embedded	Server
Maximum number of PCI Express lanes	40	40
PCI Express slots version	3.0	3.0
Supported instruction sets	AVX	AVX
CPU configuration (max)Differs	2	4
Embedded options availableDiffers	Yes	No
ScalabilityDiffers	2S	4S
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x4, 1x8, 1x16
Processor special featuresidentical
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel Flex Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Trusted Execution Technology	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)Known for one	No	Unknown — not stated by the source
Intel® Turbo Boost Technology	2.0	2.0
Intel Demand Based Switching	Yes	Yes
Intel TSX-NI	No	No
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	Yes	Yes
Intel® OS Guard	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® vPro™ Platform EligibilityKnown for one	Yes	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
TcaseDiffers	87 °C	81 °C
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)	VT-d, VT-x	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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