Product comparison · 2 cpus

HP Intel Xeon L5640, FIO Kit, Ref vs HP Intel Xeon X5660, Ref

40specifications compared
8differ
32identical
6known for one product only

Key differences

The HP Intel Xeon X5660, Ref has 0.54 GHz more processor base frequency than the HP Intel Xeon L5640, FIO Kit, Ref (2.8 GHz vs 2.26 GHz). The HP Intel Xeon X5660, Ref has 0.54 GT/s more system bus rate than the HP Intel Xeon L5640, FIO Kit, Ref (6.4 GT/s vs 5.86 GT/s). The HP Intel Xeon X5660, Ref has 0.4 GHz more processor boost frequency than the HP Intel Xeon L5640, FIO Kit, Ref (3.2 GHz vs 2.8 GHz). Only the HP Intel Xeon L5640, FIO Kit, Ref has embedded options available. Processor model: L5640 on the HP Intel Xeon L5640, FIO Kit, Ref, X5660 on the HP Intel Xeon X5660, Ref.

Processor model
- Intel Xeon L5640, FIO Kit, Ref:L5640
- Intel Xeon X5660, Ref:X5660
Processor base frequency
- Intel Xeon L5640, FIO Kit, Ref:2.26 GHz
- Intel Xeon X5660, Ref:2.8 GHz
System bus rate
- Intel Xeon L5640, FIO Kit, Ref:5.86 GT/s
- Intel Xeon X5660, Ref:6.4 GT/s
Processor boost frequency
- Intel Xeon L5640, FIO Kit, Ref:2.8 GHz
- Intel Xeon X5660, Ref:3.2 GHz
Thermal Design Power (TDP)
- Intel Xeon L5640, FIO Kit, Ref:60 W
- Intel Xeon X5660, Ref:95 W
VID Voltage Range
- Intel Xeon L5640, FIO Kit, Ref:0.75 - 1.35 V
- Intel Xeon X5660, Ref:0.750 - 1.350 V
Embedded options available
- Intel Xeon L5640, FIO Kit, Ref:Yes
- Intel Xeon X5660, Ref:No
Tcase
- Intel Xeon L5640, FIO Kit, Ref:69.4 °C
- Intel Xeon X5660, Ref:81.3 °C

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon L5640, FIO Kit, Ref, Intel Xeon X5660, Ref
46 specifications	A HP Intel Xeon L5640, FIO Kit, Ref View product	B HP Intel Xeon X5660, Ref View product
Processor6 differ
Processor modelDiffers	L5640	X5660
Processor base frequencyDiffers	2.26 GHz	2.8 GHz
System bus rateDiffers	5.86 GT/s	6.4 GT/s
Processor boost frequencyDiffers	2.8 GHz	3.2 GHz
Processor front side busKnown for one	Unknown — not stated by the source	1333 MHz
Thermal Design Power (TDP)Differs	60 W	95 W
VID Voltage RangeDiffers	0.75 - 1.35 V	0.750 - 1.350 V
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	20
SteppingKnown for one	B1	Unknown — not stated by the source
Features1 differ
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	No
Embedded options availableDiffers	Yes	No
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
Operational conditions1 differ
TcaseDiffers	69.4 °C	81.3 °C
Technical detailsidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS

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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