Product comparison · 2 cpus

Fujitsu E5640 processor vs Fujitsu L5640 processor

16specifications compared
8differ
8identical
0known for one product only

Key differences

Processor model
- E5640 processor:E5640
- L5640 processor:L5640
Processor base frequency
- E5640 processor:2.66 GHz
- L5640 processor:2.26 GHz
Processor cores
- E5640 processor:4
- L5640 processor:6
Processor threads
- E5640 processor:8
- L5640 processor:12
Thermal Design Power (TDP)
- E5640 processor:80 W
- L5640 processor:60 W
VID Voltage Range
- E5640 processor:0.8 - 1.3 V
- L5640 processor:0.75 - 1.35 V
CPU multiplier (bus/core ratio)
- E5640 processor:20
- L5640 processor:17
Maximum operating temperature
- E5640 processor:77.6 °C
- L5640 processor:70 °C

Side by side

Differences highlightedShow differences only

Comparison of E5640, L5640
16 specifications	A Fujitsu E5640 processor Model E5640 View product	B Fujitsu L5640 processor Model L5640 View product
Processor7 differ
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E5640	L5640
Processor base frequencyDiffers	2.66 GHz	2.26 GHz
Processor coresDiffers	4	6
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
Processor lithography	32 nm	32 nm
Package type	Tray	Tray
Processor threadsDiffers	8	12
System bus rate	5.86 GT/s	5.86 GT/s
Processor operating modes	64-bit	64-bit
Processor cache	12 MB	12 MB
Processor cache type	L2	L2
Thermal Design Power (TDP)Differs	80 W	60 W
VID Voltage RangeDiffers	0.8 - 1.3 V	0.75 - 1.35 V
CPU multiplier (bus/core ratio)Differs	20	17
Operational conditions1 differ
Maximum operating temperatureDiffers	77.6 °C	70 °C

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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