Product comparison · 2 cpus

HP Intel Xeon Processor 5150 kit BL20PG4 vs Lenovo Intel Xeon Processor E5520

13specifications compared
9differ
4identical
5known for one product only

Key differences

The HP Intel Xeon Processor 5150 kit BL20PG4 has 0.4 GHz more processor base frequency than the Lenovo Intel Xeon Processor E5520 (2.66 GHz vs 2.26 GHz). The HP Intel Xeon Processor 5150 kit BL20PG4 has 20 nm more processor lithography than the Lenovo Intel Xeon Processor E5520 (65 nm vs 45 nm). The Lenovo Intel Xeon Processor E5520 has 4 MB more processor cache than the HP Intel Xeon Processor 5150 kit BL20PG4 (8 MB vs 4 MB). Processor model: 5150 on the HP Intel Xeon Processor 5150 kit BL20PG4, E5520 on the Lenovo Intel Xeon Processor E5520. Processor socket: LGA 771 (Socket J) on the HP Intel Xeon Processor 5150 kit BL20PG4, Socket B (LGA 1366) on the Lenovo Intel Xeon Processor E5520.

Processor model
- Intel Xeon Processor 5150 kit BL20PG4:5150
- Intel Xeon Processor E5520:E5520
Processor base frequency
- Intel Xeon Processor 5150 kit BL20PG4:2.66 GHz
- Intel Xeon Processor E5520:2.26 GHz
Processor socket
- Intel Xeon Processor 5150 kit BL20PG4:LGA 771 (Socket J)
- Intel Xeon Processor E5520:Socket B (LGA 1366)
Processor lithography
- Intel Xeon Processor 5150 kit BL20PG4:65 nm
- Intel Xeon Processor E5520:45 nm
Package type
- Intel Xeon Processor 5150 kit BL20PG4:Box
- Intel Xeon Processor E5520:Tray
Processor cache
- Intel Xeon Processor 5150 kit BL20PG4:4 MB
- Intel Xeon Processor E5520:8 MB
Processor cache type
- Intel Xeon Processor 5150 kit BL20PG4:L2
- Intel Xeon Processor E5520:L3
Processor front side bus
- Intel Xeon Processor 5150 kit BL20PG4:1333 MHz
- Intel Xeon Processor E5520:1066 MHz

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon Processor 5150 kit BL20PG4, Intel Xeon Processor E5520
18 specifications	A HP Intel Xeon Processor 5150 kit BL20PG4 View product	B Lenovo Intel Xeon Processor E5520 View product
Processor9 differ
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	5150	E5520
Processor base frequencyDiffers	2.66 GHz	2.26 GHz
Processor coresKnown for one	Unknown — not stated by the source	4
Processor socketDiffers	LGA 771 (Socket J)	Socket B (LGA 1366)
Processor lithographyDiffers	65 nm	45 nm
Package typeDiffers	Box	Tray
Component for	Server/workstation	Server/workstation
Processor operating modes	64-bit	64-bit
Processor cacheDiffers	4 MB	8 MB
Processor cache typeDiffers	L2	L3
Processor front side busDiffers	1333 MHz	1066 MHz
Thermal Design Power (TDP)Differs	65 W	80 W
Processor core voltage (AC)Known for one	Unknown — not stated by the source	0.75 - 1.35 V
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	17
VID Voltage RangeKnown for one	1 - 1.5 V	Unknown — not stated by the source
Featuresidentical
Market segment	Server	Server
Operational conditionsidentical
Maximum operating temperatureKnown for one	65 °C	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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