Product comparison · 2 cpus

Lenovo Xeon E5503 vs Lenovo Xeon X5550

16specifications compared
7differ
9identical
0known for one product only

Key differences

The Lenovo Xeon X5550 has 0.66 GHz more processor base frequency than the Lenovo Xeon E5503 (2.66 GHz vs 2 GHz). The Lenovo Xeon X5550 has 2 more processor cores than the Lenovo Xeon E5503 (4 vs 2). The Lenovo Xeon X5550 has 1.6 GT/s more system bus rate than the Lenovo Xeon E5503 (6.4 GT/s vs 4.8 GT/s). Processor model: E5503 on the Lenovo Xeon E5503, X5550 on the Lenovo Xeon X5550.

Processor model
- Xeon E5503:E5503
- Xeon X5550:X5550
Processor base frequency
- Xeon E5503:2 GHz
- Xeon X5550:2.66 GHz
Processor cores
- Xeon E5503:2
- Xeon X5550:4
System bus rate
- Xeon E5503:4.8 GT/s
- Xeon X5550:6.4 GT/s
Processor cache
- Xeon E5503:4 MB
- Xeon X5550:8 MB
Processor front side bus
- Xeon E5503:800 MHz
- Xeon X5550:1333 MHz
Thermal Design Power (TDP)
- Xeon E5503:80 W
- Xeon X5550:95 W

Side by side

Differences highlightedShow differences only

Comparison of Xeon E5503, Xeon X5550
16 specifications	A Lenovo Xeon E5503 View product	B Lenovo Xeon X5550 View product
Processor7 differ
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E5503	X5550
Processor base frequencyDiffers	2 GHz	2.66 GHz
Processor coresDiffers	2	4
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
Processor lithography	45 nm	45 nm
Package type	Tray	Tray
Component for	Server/workstation	Server/workstation
System bus rateDiffers	4.8 GT/s	6.4 GT/s
Processor operating modes	64-bit	64-bit
Processor cacheDiffers	4 MB	8 MB
Processor cache type	L2	L2
Processor front side busDiffers	800 MHz	1333 MHz
Thermal Design Power (TDP)Differs	80 W	95 W
VID Voltage Range	0.75 - 1.35 V	0.75 - 1.35 V
Featuresidentical
Market segment	Server	Server

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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