Product comparison · 2 cpus

HP Intel Core i5-661 vs HP Intel Xeon X5687

34specifications compared
19differ
15identical
24known for one product only

Key differences

Processor family
- Intel Core i5-661:Intel® Core™ i5
- Intel Xeon X5687:Intel® Xeon® 5000 Sequence
Processor model
- Intel Core i5-661:i5-661
- Intel Xeon X5687:X5687
Processor base frequency
- Intel Core i5-661:3.33 GHz
- Intel Xeon X5687:3.6 GHz
Processor cores
- Intel Core i5-661:2
- Intel Xeon X5687:4
Processor socket
- Intel Core i5-661:LGA 1156 (Socket H)
- Intel Xeon X5687:Socket B (LGA 1366)
Processor threads
- Intel Core i5-661:4
- Intel Xeon X5687:8
System bus rate
- Intel Core i5-661:2.5 GT/s
- Intel Xeon X5687:6.4 GT/s
Processor boost frequency
- Intel Core i5-661:3.6 GHz
- Intel Xeon X5687:3.86 GHz

Side by side

Differences highlightedShow differences only

Comparison of Intel Core i5-661, Intel Xeon X5687
58 specifications	A HP Intel Core i5-661 View product	B HP Intel Xeon X5687 View product
Processor11 differ
Processor familyDiffers	Intel® Core™ i5	Intel® Xeon® 5000 Sequence
Processor generationKnown for one	Intel® Core™ i5	Unknown — not stated by the source
Processor modelDiffers	i5-661	X5687
Processor base frequencyDiffers	3.33 GHz	3.6 GHz
Processor coresDiffers	2	4
Processor socketDiffers	LGA 1156 (Socket H)	Socket B (LGA 1366)
Package typeKnown for one	Tray	Unknown — not stated by the source
Processor threadsDiffers	4	8
System bus rateDiffers	2.5 GT/s	6.4 GT/s
Processor boost frequencyDiffers	3.6 GHz	3.86 GHz
Processor cacheDiffers	4 MB	12 MB
Thermal Design Power (TDP)Differs	87 W	130 W
Memory bandwidth supported by processor (max)Differs	21 GB/s	32 GB/s
Component forKnown for one	Unknown — not stated by the source	Server/workstation
VID Voltage RangeKnown for one	Unknown — not stated by the source	0.750 - 1.350 V
Bus typeKnown for one	Unknown — not stated by the source	QPI
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Memory3 differ
Maximum internal memory supported by processorDiffers	16 GB	288 GB
Memory clock speeds supported by processorDiffers	1066,1333 MHz	800,1066,1333 MHz
Memory channelsDiffers	Dual-channel	Triple-channel
ECCKnown for one	Unknown — not stated by the source	Yes
Graphics1 differ
On-board graphics cardDiffers	Yes	No
On-board graphics card modelKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	900 MHz	Unknown — not stated by the source
Number of displays supported (on-board graphics)Known for one	2	Unknown — not stated by the source
Featuresidentical
Maximum number of PCI Express lanesKnown for one	16	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
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Market segmentKnown for one	Unknown — not stated by the source	Server
CPU configuration (max)Known for one	Unknown — not stated by the source	2
Processor special features2 differ
Intel FDI TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Yes	Unknown — not stated by the source
Intel Demand Based SwitchingDiffers	No	Yes
Intel® vPro™ Platform EligibilityKnown for one	No	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
TcaseDiffers	69.8 °C	80.4 °C
Other features1 differ
Intel® Virtualization Technology (Intel® VT)Differs	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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