Product comparison · 2 cpus

HP Intel Xeon X5670, FIO Kit vs NEC Intel Xeon E5640

Key differences

Processor model
- Intel Xeon X5670, FIO Kit:X5670
- Intel Xeon E5640:E5640
Processor base frequency
- Intel Xeon X5670, FIO Kit:2.93 GHz
- Intel Xeon E5640:2.66 GHz
Processor cores
- Intel Xeon X5670, FIO Kit:6
- Intel Xeon E5640:4
Processor threads
- Intel Xeon X5670, FIO Kit:12
- Intel Xeon E5640:8
System bus rate
- Intel Xeon X5670, FIO Kit:6.4 GT/s
- Intel Xeon E5640:5.86 GT/s
Processor operating modes
- Intel Xeon X5670, FIO Kit:32-bit, 64-bit
- Intel Xeon E5640:64-bit
Processor boost frequency
- Intel Xeon X5670, FIO Kit:3.33 GHz
- Intel Xeon E5640:2.93 GHz
Thermal Design Power (TDP)
- Intel Xeon X5670, FIO Kit:95 W
- Intel Xeon E5640:80 W

Differences highlightedShow differences only

Comparison of Intel Xeon X5670, FIO Kit, Intel Xeon E5640
45 specifications	A HP Intel Xeon X5670, FIO Kit View product	B NEC Intel Xeon E5640 View product
Processor9 differ
Processor modelDiffers	X5670	E5640
Processor base frequencyDiffers	2.93 GHz	2.66 GHz
Processor coresDiffers	6	4
Processor threadsDiffers	12	8
System bus rateDiffers	6.4 GT/s	5.86 GT/s
Processor operating modesDiffers	32-bit, 64-bit	64-bit
Processor boost frequencyDiffers	3.33 GHz	2.93 GHz
Thermal Design Power (TDP)Differs	95 W	80 W
SteppingKnown for one	Unknown — not stated by the source	B1
Memory bandwidth supported by processor (max)Differs	32 GB/s	25.6 GB/s
Memory1 differ
Memory clock speeds supported by processorDiffers	800,1066,1333 MHz	800,1066 MHz
Featuresidentical
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	Yes
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.2
CPU configuration (max)Known for one	Unknown — not stated by the source	2
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Processor special featuresidentical
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Smart Response TechnologyKnown for one	Yes	Unknown — not stated by the source
Operational conditions1 differ
TcaseDiffers	81.3 °C	77.6 °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.