Product comparison · 2 cpus

HP Intel Xeon L3406 vs HP Intel Xeon X5687

38specifications compared
17differ
21identical
14known for one product only

Key differences

Processor family
- Intel Xeon L3406:Intel® Xeon® 3000 Sequence
- Intel Xeon X5687:Intel® Xeon® 5000 Sequence
Processor model
- Intel Xeon L3406:L3406
- Intel Xeon X5687:X5687
Processor base frequency
- Intel Xeon L3406:2.26 GHz
- Intel Xeon X5687:3.6 GHz
Processor cores
- Intel Xeon L3406:2
- Intel Xeon X5687:4
Processor socket
- Intel Xeon L3406:LGA 1156 (Socket H)
- Intel Xeon X5687:Socket B (LGA 1366)
Processor threads
- Intel Xeon L3406:4
- Intel Xeon X5687:8
System bus rate
- Intel Xeon L3406:2.5 GT/s
- Intel Xeon X5687:6.4 GT/s
Processor boost frequency
- Intel Xeon L3406:2.53 GHz
- Intel Xeon X5687:3.86 GHz

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon L3406, Intel Xeon X5687
52 specifications	A HP Intel Xeon L3406 View product	B HP Intel Xeon X5687 View product
Processor13 differ
Processor familyDiffers	Intel® Xeon® 3000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	L3406	X5687
Processor base frequencyDiffers	2.26 GHz	3.6 GHz
Processor coresDiffers	2	4
Processor socketDiffers	LGA 1156 (Socket H)	Socket B (LGA 1366)
Processor lithography	32 nm	32 nm
Component for	Server/workstation	Server/workstation
Processor threadsDiffers	4	8
System bus rateDiffers	2.5 GT/s	6.4 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyDiffers	2.53 GHz	3.86 GHz
Processor cacheDiffers	4 MB	12 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)Differs	30 W	130 W
VID Voltage RangeDiffers	0.65 - 1.4 V	0.750 - 1.350 V
Bus typeDiffers	DMI	QPI
Memory bandwidth supported by processor (max)Differs	17 GB/s	32 GB/s
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Memory2 differ
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	1066 MHz	800,1066,1333 MHz
Memory channelsDiffers	Dual-channel	Triple-channel
ECC	Yes	Yes
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	288 GB
Graphicsidentical
On-board graphics card	No	No
Featuresidentical
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Thermal Monitoring Technologies	No	No
Market segment	Server	Server
Maximum number of PCI Express lanesKnown for one	1	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	382 M	Unknown — not stated by the source
Processing Die sizeKnown for one	81 mm²	Unknown — not stated by the source
Number of Graphics & IMC Die TransistorsKnown for one	177 M	Unknown — not stated by the source
Graphics & IMC Die SizeKnown for one	114 mm²	Unknown — not stated by the source
Embedded options available	No	No
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.2
CPU configuration (max)Known for one	Unknown — not stated by the source	2
Processor special features1 differ
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel Trusted Execution Technology	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost Technology	Yes	Yes
Intel Demand Based Switching	Yes	Yes
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	No	Unknown — not stated by the source
Operational conditions1 differ
TcaseDiffers	53.9 °C	80.4 °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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