Product comparison · 2 cpus

HP Intel Xeon E5603 vs Lenovo Intel Xeon X5660

16specifications compared
11differ
5identical
12known for one product only

Key differences

The Lenovo Intel Xeon X5660 has 1.2 GHz more processor base frequency than the HP Intel Xeon E5603 (2.8 GHz vs 1.6 GHz). The Lenovo Intel Xeon X5660 has 2 more processor cores than the HP Intel Xeon E5603 (6 vs 4). The Lenovo Intel Xeon X5660 has 8 more processor threads than the HP Intel Xeon E5603 (12 vs 4). Processor model: E5603 on the HP Intel Xeon E5603, X5660 on the Lenovo Intel Xeon X5660. Component for: PC on the HP Intel Xeon E5603, Server/workstation on the Lenovo Intel Xeon X5660.

Processor model
- Intel Xeon E5603:E5603
- Intel Xeon X5660:X5660
Processor base frequency
- Intel Xeon E5603:1.6 GHz
- Intel Xeon X5660:2.8 GHz
Processor cores
- Intel Xeon E5603:4
- Intel Xeon X5660:6
Component for
- Intel Xeon E5603:PC
- Intel Xeon X5660:Server/workstation
Processor threads
- Intel Xeon E5603:4
- Intel Xeon X5660:12
System bus rate
- Intel Xeon E5603:4.8 GT/s
- Intel Xeon X5660:6.4 GT/s
Processor cache
- Intel Xeon E5603:4 MB
- Intel Xeon X5660:12 MB
Thermal Design Power (TDP)
- Intel Xeon E5603:80 W
- Intel Xeon X5660:95 W

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5603, Intel Xeon X5660
28 specifications	A HP Intel Xeon E5603 View product	B Lenovo Intel Xeon X5660 View product
Processor10 differ
Processor modelDiffers	E5603	X5660
Processor base frequencyDiffers	1.6 GHz	2.8 GHz
Processor coresDiffers	4	6
Component forDiffers	PC	Server/workstation
Processor threadsDiffers	4	12
System bus rateDiffers	4.8 GT/s	6.4 GT/s
Processor cacheDiffers	4 MB	12 MB
Thermal Design Power (TDP)Differs	80 W	95 W
VID Voltage RangeDiffers	0.750 - 1.350 V	0.800 - 1.300 V
CPU multiplier (bus/core ratio)Differs	12	21
Memory bandwidth supported by processor (max)Known for one	25.6 GB/s	Unknown — not stated by the source
Package typeKnown for one	Unknown — not stated by the source	Tray
L3 cache speedKnown for one	Unknown — not stated by the source	2.80 GHz
Processor front side busKnown for one	Unknown — not stated by the source	1333 MHz
Memoryidentical
Maximum internal memory supported by processorKnown for one	288 GB	Unknown — not stated by the source
Memory clock speeds supported by processorKnown for one	800,1066 MHz	Unknown — not stated by the source
Memory channelsKnown for one	Triple-channel	Unknown — not stated by the source
ECCKnown for one	Yes	Unknown — not stated by the source
Graphicsidentical
On-board graphics cardKnown for one	No	Unknown — not stated by the source
Features1 differ
Market segmentDiffers	Desktop	Server
Processor special featuresidentical
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	No	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	No	Unknown — not stated by the source
Other featuresidentical
L1 cacheKnown for one	0.25 MB	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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