Product comparison · 2 cpus

Lenovo Intel Xeon E5-2603 vs Lenovo Intel Xeon E5-2640

23specifications compared
10differ
13identical
19known for one product only

Key differences

Processor model
- Intel Xeon E5-2603:E5-2603
- Intel Xeon E5-2640:E5-2640
Processor base frequency
- Intel Xeon E5-2603:1.8 GHz
- Intel Xeon E5-2640:2.5 GHz
Processor cores
- Intel Xeon E5-2603:4
- Intel Xeon E5-2640:6
Processor threads
- Intel Xeon E5-2603:4
- Intel Xeon E5-2640:12
System bus rate
- Intel Xeon E5-2603:6.4 GT/s
- Intel Xeon E5-2640:7.2 GT/s
Processor cache
- Intel Xeon E5-2603:10 MB
- Intel Xeon E5-2640:15 MB
Thermal Design Power (TDP)
- Intel Xeon E5-2603:80 W
- Intel Xeon E5-2640:95 W
CPU multiplier (bus/core ratio)
- Intel Xeon E5-2603:18
- Intel Xeon E5-2640:30

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5-2603, Intel Xeon E5-2640
42 specifications	A Lenovo Intel Xeon E5-2603 View product	B Lenovo Intel Xeon E5-2640 View product
Processor9 differ
Processor modelDiffers	E5-2603	E5-2640
Processor base frequencyDiffers	1.8 GHz	2.5 GHz
Processor coresDiffers	4	6
Processor threadsDiffers	4	12
System bus rateDiffers	6.4 GT/s	7.2 GT/s
Processor cacheDiffers	10 MB	15 MB
Thermal Design Power (TDP)Differs	80 W	95 W
SteppingKnown for one	M1	Unknown — not stated by the source
Bus typeKnown for one	QPI	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Differs	18	30
Memory bandwidth supported by processor (max)Differs	34.1 GB/s	42.6 GB/s
Package typeKnown for one	Unknown — not stated by the source	Tray
Processor boost frequencyKnown for one	Unknown — not stated by the source	3 GHz
Memory1 differ
Memory types supported by processorKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory clock speeds supported by processorDiffers	800,1066 MHz	800,1066,1333 MHz
Featuresidentical
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
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® AES New Instructions (Intel® AES-NI)Known 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
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)Known for one	VT-d, VT-x	Unknown — not stated by the source
Height (imperial)Known for one	5.59 mm (0.22")	Unknown — not stated by the source
Operational conditionsidentical
Maximum operating temperatureKnown for one	Unknown — not stated by the source	77.4 °C

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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