Product comparison · 2 cpus

Dell Intel Xeon L5520 vs Dell Intel Xeon L7555

26specifications compared
10differ
16identical
14known for one product only

Key differences

The Dell Intel Xeon L5520 has 0.394 GHz more processor base frequency than the Dell Intel Xeon L7555 (2.26 GHz vs 1.866 GHz). The Dell Intel Xeon L7555 has 4 more processor cores than the Dell Intel Xeon L5520 (8 vs 4). The Dell Intel Xeon L7555 has 8 more processor threads than the Dell Intel Xeon L5520 (16 vs 8). Processor family: Intel® Xeon® 5000 Sequence on the Dell Intel Xeon L5520, Intel® Xeon® 7000 Sequence on the Dell Intel Xeon L7555. Processor model: L5520 on the Dell Intel Xeon L5520, L7555 on the Dell Intel Xeon L7555.

Processor family
- Intel Xeon L5520:Intel® Xeon® 5000 Sequence
- Intel Xeon L7555:Intel® Xeon® 7000 Sequence
Processor model
- Intel Xeon L5520:L5520
- Intel Xeon L7555:L7555
Processor base frequency
- Intel Xeon L5520:2.26 GHz
- Intel Xeon L7555:1.866 GHz
Processor cores
- Intel Xeon L5520:4
- Intel Xeon L7555:8
Processor socket
- Intel Xeon L5520:Socket B (LGA 1366)
- Intel Xeon L7555:LGA 1567 (Socket LS)
Processor threads
- Intel Xeon L5520:8
- Intel Xeon L7555:16
Processor cache
- Intel Xeon L5520:8 MB
- Intel Xeon L7555:24 MB
Thermal Design Power (TDP)
- Intel Xeon L5520:60 W
- Intel Xeon L7555:95 W

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon L5520, Intel Xeon L7555
40 specifications	A Dell Intel Xeon L5520 View product	B Dell Intel Xeon L7555 View product
Processor9 differ
Processor familyDiffers	Intel® Xeon® 5000 Sequence	Intel® Xeon® 7000 Sequence
Processor modelDiffers	L5520	L7555
Processor base frequencyDiffers	2.26 GHz	1.866 GHz
Processor coresDiffers	4	8
Processor socketDiffers	Socket B (LGA 1366)	LGA 1567 (Socket LS)
Processor threadsDiffers	8	16
Processor cacheDiffers	8 MB	24 MB
Thermal Design Power (TDP)Differs	60 W	95 W
VID Voltage RangeDiffers	0.75 - 1.35 V	0.675 - 1.35 V
Number of QPI linksKnown for one	2	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one	25.6 GB/s	Unknown — not stated by the source
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.533 GHz
Memoryidentical
Maximum internal memory supported by processorKnown for one	144 GB	Unknown — not stated by the source
Memory types supported by processorKnown for one	DDR3-SDRAM	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
Featuresidentical
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	731 M	Unknown — not stated by the source
Processing Die sizeKnown for one	263 mm²	Unknown — not stated by the source
CPU configuration (max)Known for one	2	Unknown — not stated by the source
Processor special featuresidentical
Intel Demand Based SwitchingKnown 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
Other features1 differ
Intel® Virtualization Technology (Intel® VT)Differs	VT-d, VT-x	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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