Product comparison · 2 cpus

HP Intel Xeon L5420processors vs HP Intel Xeon X5560, HPM FIO Perf Kit, Ref

24specifications compared
12differ
12identical
22known for one product only

Key differences

Processor model
- Intel Xeon L5420processors:L5420
- Intel Xeon X5560, HPM FIO Perf Kit, Ref:X5560
Processor base frequency
- Intel Xeon L5420processors:2.5 GHz
- Intel Xeon X5560, HPM FIO Perf Kit, Ref:2.8 GHz
Processor socket
- Intel Xeon L5420processors:LGA 771 (Socket J)
- Intel Xeon X5560, HPM FIO Perf Kit, Ref:Socket B (LGA 1366)
Processor threads
- Intel Xeon L5420processors:4
- Intel Xeon X5560, HPM FIO Perf Kit, Ref:8
Processor cache
- Intel Xeon L5420processors:12 MB
- Intel Xeon X5560, HPM FIO Perf Kit, Ref:8 MB
Processor cache type
- Intel Xeon L5420processors:L2
- Intel Xeon X5560, HPM FIO Perf Kit, Ref:L3
Thermal Design Power (TDP)
- Intel Xeon L5420processors:50 W
- Intel Xeon X5560, HPM FIO Perf Kit, Ref:95 W
VID Voltage Range
- Intel Xeon L5420processors:0.850 - 1.350 V
- Intel Xeon X5560, HPM FIO Perf Kit, Ref:0.75 - 1.35 V

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon L5420processors, Intel Xeon X5560, HPM FIO Perf Kit, Ref
46 specifications	A HP Intel Xeon L5420processors View product	B HP Intel Xeon X5560, HPM FIO Perf Kit, Ref View product
Processor8 differ
Processor modelDiffers	L5420	X5560
Processor base frequencyDiffers	2.5 GHz	2.8 GHz
Processor socketDiffers	LGA 771 (Socket J)	Socket B (LGA 1366)
Processor threadsDiffers	4	8
System bus rateKnown for one	Unknown — not stated by the source	6.4 GT/s
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.2 GHz
Processor cacheDiffers	12 MB	8 MB
Processor cache typeDiffers	L2	L3
Thermal Design Power (TDP)Differs	50 W	95 W
VID Voltage RangeDiffers	0.850 - 1.350 V	0.75 - 1.35 V
Bus typeKnown for one	Unknown — not stated by the source	QPI
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	32 GB/s
Processor front side busKnown for one	1333 MHz	Unknown — not stated by the source
FSB ParityKnown for one	Yes	Unknown — not stated by the source
Memoryidentical
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	144 GB
Memory types supported by processorKnown for one	Unknown — not stated by the source	DDR3-SDRAM
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	800,1066,1333 MHz
Memory channelsKnown for one	Unknown — not stated by the source	Triple-channel
ECCKnown for one	Unknown — not stated by the source	Yes
Featuresidentical
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	731 M
Processing Die sizeKnown for one	Unknown — not stated by the source	263 mm²
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
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Number of Graphics & IMC Die TransistorsKnown for one	820 M	Unknown — not stated by the source
Graphics & IMC Die SizeKnown for one	214 mm²	Unknown — not stated by the source
Processor special features2 differ
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyDiffers	No	Yes
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
TcaseDiffers	57 °C	75 °C
Other features1 differ
Intel® Virtualization Technology (Intel® VT)Differs	VT-x	VT-d, VT-x

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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