Product comparison · 2 cpus

Dell Xeon E5640 vs HP Intel Xeon E5606

36specifications compared
9differ
27identical
7known for one product only

Key differences

The Dell Xeon E5640 has 0.53 GHz more processor base frequency than the HP Intel Xeon E5606 (2.66 GHz vs 2.13 GHz). The Dell Xeon E5640 has 4 more processor threads than the HP Intel Xeon E5606 (8 vs 4). The Dell Xeon E5640 has 1.06 GT/s more system bus rate than the HP Intel Xeon E5606 (5.86 GT/s vs 4.8 GT/s). Only the Dell Xeon E5640 has Intel® Hyper Threading Technology (Intel® HT Technology). Only the Dell Xeon E5640 has Intel® Turbo Boost Technology.

Processor model
- Xeon E5640:E5640
- Intel Xeon E5606:E5606
Processor base frequency
- Xeon E5640:2.66 GHz
- Intel Xeon E5606:2.13 GHz
Processor threads
- Xeon E5640:8
- Intel Xeon E5606:4
System bus rate
- Xeon E5640:5.86 GT/s
- Intel Xeon E5606:4.8 GT/s
Processor cache
- Xeon E5640:12 MB
- Intel Xeon E5606:8 MB
VID Voltage Range
- Xeon E5640:0.75 - 1.35 V
- Intel Xeon E5606:0.750 - 1.350 V
Supported instruction sets
- Xeon E5640:AES, SSE4.2
- Intel Xeon E5606:SSE4.2
Intel® Hyper Threading Technology (Intel® HT Technology)
- Xeon E5640:Yes
- Intel Xeon E5606:No

Side by side

Differences highlightedShow differences only

Comparison of Xeon E5640, Intel Xeon E5606
43 specifications	A Dell Xeon E5640 View product	B HP Intel Xeon E5606 View product
Processor6 differ
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E5640	E5606
Processor base frequencyDiffers	2.66 GHz	2.13 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 threadsDiffers	8	4
System bus rateDiffers	5.86 GT/s	4.8 GT/s
Processor operating modes	64-bit	64-bit
Processor cacheDiffers	12 MB	8 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)	80 W	80 W
VID Voltage RangeDiffers	0.75 - 1.35 V	0.750 - 1.350 V
Bus type	QPI	QPI
Number of QPI links	2	2
Memory bandwidth supported by processor (max)	25.6 GB/s	25.6 GB/s
Processor boost frequencyKnown for one	2.93 GHz	Unknown — not stated by the source
Memoryidentical
Maximum internal memory supported by processor	288 GB	288 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processor	800,1066 MHz	800,1066 MHz
Memory channels	Triple-channel	Triple-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	Unknown — not stated by the source	No
Market segment	Server	Server
Supported instruction setsDiffers	AES, SSE4.2	SSE4.2
CPU configuration (max)	2	2
Embedded options availableKnown for one	Unknown — not stated by the source	No
Processor special features2 differ
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel Trusted Execution Technology	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Turbo Boost TechnologyDiffers	Yes	No
Intel Demand Based Switching	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	Yes	Yes
Weight & dimensionsidentical
Processor package sizeKnown for one	Unknown — not stated by the source	42.5 mm
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)	VT-d, VT-x	VT-d, VT-x
Operational conditionsidentical
TcaseKnown for one	77.6 °C	Unknown — not stated by the source

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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