Product comparison · 2 cpus

HP Intel Xeon X5647 vs HP Intel Xeon X5687

40specifications compared
7differ
33identical
4known for one product only

Key differences

Processor model
- Intel Xeon X5647:X5647
- Intel Xeon X5687:X5687
Processor base frequency
- Intel Xeon X5647:2.93 GHz
- Intel Xeon X5687:3.6 GHz
System bus rate
- Intel Xeon X5647:5.86 GT/s
- Intel Xeon X5687:6.4 GT/s
Processor boost frequency
- Intel Xeon X5647:3.2 GHz
- Intel Xeon X5687:3.86 GHz
VID Voltage Range
- Intel Xeon X5647:0.75 - 1.35 V
- Intel Xeon X5687:0.750 - 1.350 V
Memory bandwidth supported by processor (max)
- Intel Xeon X5647:25.6 GB/s
- Intel Xeon X5687:32 GB/s
Memory clock speeds supported by processor
- Intel Xeon X5647:800,1066 MHz
- Intel Xeon X5687:800,1066,1333 MHz

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon X5647, Intel Xeon X5687
44 specifications	A HP Intel Xeon X5647 View product	B HP Intel Xeon X5687 View product
Processor6 differ
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	X5647	X5687
Processor base frequencyDiffers	2.93 GHz	3.6 GHz
Processor cores	4	4
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
Processor lithography	32 nm	32 nm
Component for	Server/workstation	Server/workstation
Processor threads	8	8
System bus rateDiffers	5.86 GT/s	6.4 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyDiffers	3.2 GHz	3.86 GHz
Processor cache	12 MB	12 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)	130 W	130 W
VID Voltage RangeDiffers	0.75 - 1.35 V	0.750 - 1.350 V
SteppingKnown for one	B1	Unknown — not stated by the source
Bus type	QPI	QPI
Number of QPI links	2	2
Memory bandwidth supported by processor (max)Differs	25.6 GB/s	32 GB/s
Memory1 differ
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	800,1066 MHz	800,1066,1333 MHz
Memory channels	Triple-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
Supported instruction sets	SSE4.2	SSE4.2
Embedded options available	No	No
CPU configuration (max)Known for one	Unknown — not stated by the source	2
Processor special featuresidentical
Enhanced Intel SpeedStep Technology	Yes	Yes
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® 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
Operational conditionsidentical
Tcase	80.4 °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.

More cpu comparisons

All cpu comparisons