Product comparison · 2 cpus

Fujitsu E5640 processor vs Lenovo 67Y1449 processor

Key differences

Processor model
- E5640 processor:E5640
- 67Y1449 processor:E5506
Processor base frequency
- E5640 processor:2.66 GHz
- 67Y1449 processor:2.13 GHz
System bus rate
- E5640 processor:5.86 GT/s
- 67Y1449 processor:4.8 GT/s
Processor cache
- E5640 processor:12 MB
- 67Y1449 processor:4 MB
Processor cache type
- E5640 processor:L2
- 67Y1449 processor:L3
VID Voltage Range
- E5640 processor:0.8 - 1.3 V
- 67Y1449 processor:0.75 - 1.35 V
CPU multiplier (bus/core ratio)
- E5640 processor:20
- 67Y1449 processor:16

Differences highlightedShow differences only

Comparison of E5640, 67Y1449
18 specifications	A Fujitsu E5640 processor Model E5640 View product	B Lenovo 67Y1449 processor Model 67Y1449 View product
Processor7 differ
Processor modelDiffers	E5640	E5506
Processor base frequencyDiffers	2.66 GHz	2.13 GHz
Processor lithographyKnown for one	32 nm	Unknown — not stated by the source
Package typeKnown for one	Tray	Unknown — not stated by the source
Processor threadsKnown for one	8	Unknown — not stated by the source
System bus rateDiffers	5.86 GT/s	4.8 GT/s
Processor cacheDiffers	12 MB	4 MB
Processor cache typeDiffers	L2	L3
VID Voltage RangeDiffers	0.8 - 1.3 V	0.75 - 1.35 V
CPU multiplier (bus/core ratio)Differs	20	16
Operational conditionsidentical
Maximum operating temperatureKnown for one	77.6 °C	Unknown — not stated by the source
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	35 g
Other featuresidentical
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	42.57 x 45.07 x 4.851 mm

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.