Product comparison · 2 cpus

Lenovo Intel Xeon E5-2448L vs Lenovo Intel Xeon E5-2648L

41specifications compared
5differ
36identical
6known for one product only

Key differences

Processor model
- Intel Xeon E5-2448L:E5-2448L
- Intel Xeon E5-2648L:E5-2648L
Processor socket
- Intel Xeon E5-2448L:LGA 1356 (Socket B2)
- Intel Xeon E5-2648L:LGA 2011 (Socket R)
Number of QPI links
- Intel Xeon E5-2448L:1
- Intel Xeon E5-2648L:2
Memory channels
- Intel Xeon E5-2448L:Triple-channel
- Intel Xeon E5-2648L:Quad-channel
Maximum number of PCI Express lanes
- Intel Xeon E5-2448L:24
- Intel Xeon E5-2648L:40

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5-2448L, Intel Xeon E5-2648L
47 specifications	A Lenovo Intel Xeon E5-2448L View product	B Lenovo Intel Xeon E5-2648L View product
Processor3 differ
Processor family	Intel® Xeon® E5 Family	Intel® Xeon® E5 Family
Processor modelDiffers	E5-2448L	E5-2648L
Processor base frequency	1.8 GHz	1.8 GHz
Processor cores	8	8
Processor socketDiffers	LGA 1356 (Socket B2)	LGA 2011 (Socket R)
Processor lithography	32 nm	32 nm
Component for	Server/workstation	Server/workstation
Processor threads	16	16
System bus rate	8 GT/s	8 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequency	2.1 GHz	2.1 GHz
Processor cache	20 MB	20 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)	70 W	70 W
VID Voltage RangeKnown for one	0.65 - 1.30 V	Unknown — not stated by the source
Bus type	QPI	QPI
Number of QPI linksDiffers	1	2
Processor codename	Sandy Bridge	Sandy Bridge
Memory1 differ
Maximum internal memory supported by processor	384 GB	384 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processor	800,1066,1333,1600 MHz	800,1066,1333,1600 MHz
Memory channelsDiffers	Triple-channel	Quad-channel
ECC	Yes	Yes
Graphicsidentical
On-board graphics card	No	No
Features1 differ
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Market segment	Embedded	Embedded
Maximum number of PCI Express lanesDiffers	24	40
PCI Express slots version	3.0	3.0
Supported instruction setsKnown for one	AVX	Unknown — not stated by the source
Embedded options available	Yes	Yes
ScalabilityKnown for one	2S	Unknown — not stated by the source
CPU configuration (max)Known for one	Unknown — not stated by the source	2
Processor special featuresidentical
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel Flex Memory Access	No	No
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)	No	No
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
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® vPro™ Platform EligibilityKnown for one	Unknown — not stated by the source	No
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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