Product comparison · 2 cpus

Fujitsu L5640 processor vs Fujitsu X5660 processor

16specifications compared
6differ
10identical
0known for one product only

Key differences

The Fujitsu X5660 processor has 0.54 GHz more processor base frequency than the Fujitsu L5640 processor (2.8 GHz vs 2.26 GHz). The Fujitsu X5660 processor has 0.54 GT/s more system bus rate than the Fujitsu L5640 processor (6.4 GT/s vs 5.86 GT/s). The Fujitsu X5660 processor has 35 W more thermal Design Power (TDP) than the Fujitsu L5640 processor (95 W vs 60 W). Processor model: L5640 on the Fujitsu L5640 processor, X5660 on the Fujitsu X5660 processor.

Processor model
- L5640 processor:L5640
- X5660 processor:X5660
Processor base frequency
- L5640 processor:2.26 GHz
- X5660 processor:2.8 GHz
System bus rate
- L5640 processor:5.86 GT/s
- X5660 processor:6.4 GT/s
Thermal Design Power (TDP)
- L5640 processor:60 W
- X5660 processor:95 W
CPU multiplier (bus/core ratio)
- L5640 processor:17
- X5660 processor:21
Maximum operating temperature
- L5640 processor:70 °C
- X5660 processor:81.3 °C

Side by side

Differences highlightedShow differences only

Comparison of L5640, X5660
16 specifications	A Fujitsu L5640 processor Model L5640 View product	B Fujitsu X5660 processor Model X5660 View product
Processor5 differ
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	L5640	X5660
Processor base frequencyDiffers	2.26 GHz	2.8 GHz
Processor cores	6	6
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
Processor lithography	32 nm	32 nm
Package type	Tray	Tray
Processor threads	12	12
System bus rateDiffers	5.86 GT/s	6.4 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	60 W	95 W
VID Voltage Range	0.75 - 1.35 V	0.75 - 1.35 V
CPU multiplier (bus/core ratio)Differs	17	21
Operational conditions1 differ
Maximum operating temperatureDiffers	70 °C	81.3 °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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