Product comparison · 2 cpus

Dell 2x Intel Xeon L7555 vs Dell Intel Xeon L5520

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

Key differences

Processor family
- 2x Intel Xeon L7555:Intel® Xeon® 7000 Sequence
- Intel Xeon L5520:Intel® Xeon® 5000 Sequence
Processor model
- 2x Intel Xeon L7555:L7555
- Intel Xeon L5520:L5520
Processor base frequency
- 2x Intel Xeon L7555:1.866 GHz
- Intel Xeon L5520:2.26 GHz
Processor cores
- 2x Intel Xeon L7555:8
- Intel Xeon L5520:4
Processor socket
- 2x Intel Xeon L7555:LGA 1567 (Socket LS)
- Intel Xeon L5520:Socket B (LGA 1366)
Processor threads
- 2x Intel Xeon L7555:16
- Intel Xeon L5520:8
Processor cache
- 2x Intel Xeon L7555:24 MB
- Intel Xeon L5520:8 MB
Thermal Design Power (TDP)
- 2x Intel Xeon L7555:95 W
- Intel Xeon L5520:60 W

Side by side

Differences highlightedShow differences only

Comparison of 2x Intel Xeon L7555, Intel Xeon L5520
40 specifications	A Dell 2x Intel Xeon L7555 View product	B Dell Intel Xeon L5520 View product
Processor9 differ
Processor familyDiffers	Intel® Xeon® 7000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	L7555	L5520
Processor base frequencyDiffers	1.866 GHz	2.26 GHz
Processor coresDiffers	8	4
Processor socketDiffers	LGA 1567 (Socket LS)	Socket B (LGA 1366)
Processor threadsDiffers	16	8
Processor cacheDiffers	24 MB	8 MB
Thermal Design Power (TDP)Differs	95 W	60 W
VID Voltage RangeDiffers	0.675 - 1.35 V	0.75 - 1.35 V
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	25.6 GB/s
Processor boost frequencyKnown for one	2.533 GHz	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 MHz
Memory channelsKnown for one	Unknown — not stated by the source	Triple-channel
ECCKnown for one	Unknown — not stated by the source	Yes
Featuresidentical
Idle StatesKnown for one	Unknown — not stated by the source	Yes
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
Processor special featuresidentical
Intel Demand Based SwitchingKnown 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
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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