Product comparison · 2 cpus

Lenovo Intel Xeon E5-2685 v3 vs Lenovo Intel Xeon E5-4650 v2

38specifications compared
15differ
23identical
12known for one product only

Key differences

Processor model
- Intel Xeon E5-2685 v3:E5-2685V2
- Intel Xeon E5-4650 v2:E5-4650V2
Processor base frequency
- Intel Xeon E5-2685 v3:2.6 GHz
- Intel Xeon E5-4650 v2:2.4 GHz
Processor cores
- Intel Xeon E5-2685 v3:12
- Intel Xeon E5-4650 v2:10
Processor threads
- Intel Xeon E5-2685 v3:12
- Intel Xeon E5-4650 v2:20
System bus rate
- Intel Xeon E5-2685 v3:9.6 GT/s
- Intel Xeon E5-4650 v2:8 GT/s
Processor operating modes
- Intel Xeon E5-2685 v3:32-bit, 64-bit
- Intel Xeon E5-4650 v2:64-bit
Processor boost frequency
- Intel Xeon E5-2685 v3:3.3 GHz
- Intel Xeon E5-4650 v2:2.9 GHz
Processor cache
- Intel Xeon E5-2685 v3:30 MB
- Intel Xeon E5-4650 v2:25 MB

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5-2685 v3, Intel Xeon E5-4650 v2
50 specifications	A Lenovo Intel Xeon E5-2685 v3 View product	B Lenovo Intel Xeon E5-4650 v2 View product
Processor11 differ
Processor family	Intel® Xeon® E5 V2 Family	Intel® Xeon® E5 V2 Family
Processor modelDiffers	E5-2685V2	E5-4650V2
Processor base frequencyDiffers	2.6 GHz	2.4 GHz
Processor coresDiffers	12	10
Processor lithography	22 nm	22 nm
Component for	Server/workstation	Server/workstation
Processor threadsDiffers	12	20
System bus rateDiffers	9.6 GT/s	8 GT/s
Processor operating modesDiffers	32-bit, 64-bit	64-bit
Processor boost frequencyDiffers	3.3 GHz	2.9 GHz
Processor cacheDiffers	30 MB	25 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)Differs	120 W	95 W
VID Voltage RangeDiffers	0.65 - 1.3 V	0.65 - 1.30 V
Bus type	QPI	QPI
Number of QPI links	2	2
Memory bandwidth supported by processor (max)Differs	68 GB/s	59.7 GB/s
Processor socketKnown for one	Unknown — not stated by the source	LGA 2011 (Socket R)
Memory2 differ
Maximum internal memory supported by processor	768 GB	768 GB
Memory types supported by processorDiffers	DDR4-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	1600,1866,2133 MHz	800,1066,1333,1600,1866 MHz
Memory channels	Quad-channel	Quad-channel
ECC	Yes	Yes
Graphicsidentical
On-board graphics card	No	No
Featuresidentical
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Thermal Monitoring Technologies	Yes	Yes
Market segment	Server	Server
PCI Express slots version	3.0	3.0
Supported instruction setsKnown for one	AES, AVX	Unknown — not stated by the source
Embedded options available	No	No
ScalabilityKnown for one	2S	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	40
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® OS GuardKnown for one	Yes	Unknown — not stated by the source
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
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 conditions1 differ
TcaseDiffers	84.5 °C	75 °C
Other features1 differ
Intel® Virtualization Technology (Intel® VT)Differs	No	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.

More cpu comparisons

All cpu comparisons