Product comparison · 2 cpus

Lenovo Xeon E5-2403 4C 1.8GHz 10MB Cache 1066MHz 80W vs Lenovo Xeon E5-2440 6C 2.4GHz 15MB Cache 1333MHz 95W

Key differences

Processor model
- Xeon E5-2403 4C 1.8GHz 10MB Cache 1066MHz 80W:E5-2403
- Xeon E5-2440 6C 2.4GHz 15MB Cache 1333MHz 95W:E5-2440
Processor base frequency
- Xeon E5-2403 4C 1.8GHz 10MB Cache 1066MHz 80W:1.8 GHz
- Xeon E5-2440 6C 2.4GHz 15MB Cache 1333MHz 95W:2.4 GHz
Processor cores
- Xeon E5-2403 4C 1.8GHz 10MB Cache 1066MHz 80W:4
- Xeon E5-2440 6C 2.4GHz 15MB Cache 1333MHz 95W:6
Processor threads
- Xeon E5-2403 4C 1.8GHz 10MB Cache 1066MHz 80W:4
- Xeon E5-2440 6C 2.4GHz 15MB Cache 1333MHz 95W:12
System bus rate
- Xeon E5-2403 4C 1.8GHz 10MB Cache 1066MHz 80W:6.4 GT/s
- Xeon E5-2440 6C 2.4GHz 15MB Cache 1333MHz 95W:7.2 GT/s
Processor cache
- Xeon E5-2403 4C 1.8GHz 10MB Cache 1066MHz 80W:10 MB
- Xeon E5-2440 6C 2.4GHz 15MB Cache 1333MHz 95W:15 MB
Processor front side bus
- Xeon E5-2403 4C 1.8GHz 10MB Cache 1066MHz 80W:1066 MHz
- Xeon E5-2440 6C 2.4GHz 15MB Cache 1333MHz 95W:1333 MHz
Thermal Design Power (TDP)
- Xeon E5-2403 4C 1.8GHz 10MB Cache 1066MHz 80W:80 W
- Xeon E5-2440 6C 2.4GHz 15MB Cache 1333MHz 95W:95 W

Differences highlightedShow differences only

Comparison of Xeon E5-2403 4C 1.8GHz 10MB Cache 1066MHz 80W, Xeon E5-2440 6C 2.4GHz 15MB Cache 1333MHz 95W
48 specifications	A Lenovo Xeon E5-2403 4C 1.8GHz 10MB Cache 1066MHz 80W View product	B Lenovo Xeon E5-2440 6C 2.4GHz 15MB Cache 1333MHz 95W View product
Processor9 differ
Processor modelDiffers	E5-2403	E5-2440
Processor base frequencyDiffers	1.8 GHz	2.4 GHz
Processor coresDiffers	4	6
Processor threadsDiffers	4	12
System bus rateDiffers	6.4 GT/s	7.2 GT/s
Processor cacheDiffers	10 MB	15 MB
Processor front side busDiffers	1066 MHz	1333 MHz
Thermal Design Power (TDP)Differs	80 W	95 W
Bus typeKnown for one	QPI	Unknown — not stated by the source
Number of QPI linksKnown for one	1	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Differs	25 GB/s	32 GB/s
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.9 GHz
Memory1 differ
Memory clock speeds supported by processorDiffers	800,1066 MHz	800,1066,1333 MHz
Processor special features2 differ
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Turbo Boost TechnologyDiffers	No	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes

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.