Product comparison · 2 cpus

Dell Xeon X5650 vs HP E5640 processor

21specifications compared
9differ
12identical
22known for one product only

Key differences

Processor model
- Xeon X5650:X5650
- E5640 processor:E5640
Processor cores
- Xeon X5650:6
- E5640 processor:4
Processor threads
- Xeon X5650:12
- E5640 processor:8
System bus rate
- Xeon X5650:6.4 GT/s
- E5640 processor:5.86 GT/s
Processor boost frequency
- Xeon X5650:3.06 GHz
- E5640 processor:2.93 GHz
Thermal Design Power (TDP)
- Xeon X5650:95 W
- E5640 processor:80 W
VID Voltage Range
- Xeon X5650:0.75 - 1.35 V
- E5640 processor:0.750 - 1.350 V
Memory bandwidth supported by processor (max)
- Xeon X5650:32 GB/s
- E5640 processor:25.6 GB/s

Side by side

Differences highlightedShow differences only

Comparison of Xeon X5650, E5640
43 specifications	A Dell Xeon X5650 View product	B HP E5640 processor Model E5640 View product
Processor8 differ
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	X5650	E5640
Processor base frequency	2.66 GHz	2.66 GHz
Processor coresDiffers	6	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	12	8
System bus rateDiffers	6.4 GT/s	5.86 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyDiffers	3.06 GHz	2.93 GHz
Processor cache	12 MB	12 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)Differs	95 W	80 W
VID Voltage RangeDiffers	0.75 - 1.35 V	0.750 - 1.350 V
Bus typeKnown for one	QPI	Unknown — not stated by the source
Number of QPI linksKnown for one	2	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Differs	32 GB/s	25.6 GB/s
SteppingKnown for one	Unknown — not stated by the source	B1
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	20
Processor codeKnown for one	Unknown — not stated by the source	SLBVC
Memory1 differ
Maximum internal memory supported by processor	288 GB	288 GB
Memory types supported by processorKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory clock speeds supported by processorDiffers	800,1066,1333 MHz	800,1066 MHz
Memory channels	Triple-channel	Triple-channel
ECC	Yes	Yes
Graphicsidentical
On-board graphics cardKnown for one	No	Unknown — not stated by the source
Featuresidentical
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Market segment	Server	Server
Supported instruction setsKnown for one	AES, SSE4.2	Unknown — not stated by the source
CPU configuration (max)Known for one	2	Unknown — not stated by the source
BandwidthKnown for one	Unknown — not stated by the source	26214.4 MB/s
Processor special featuresidentical
Enhanced Intel SpeedStep TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
TcaseKnown for one	81.3 °C	Unknown — not stated by the source
Maximum operating temperatureKnown for one	Unknown — not stated by the source	77.6 °C
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)Known for one	VT-d, VT-x	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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