Product comparison · 2 cpus

HP Intel Xeon L7455 vs HP Intel Xeon X7550

22specifications compared
13differ
9identical
15known for one product only

Key differences

The HP Intel Xeon L7455 has 0.13 GHz more processor base frequency than the HP Intel Xeon X7550 (2.13 GHz vs 2 GHz). The HP Intel Xeon X7550 has 2 more processor cores than the HP Intel Xeon L7455 (8 vs 6). The HP Intel Xeon X7550 has 6 MB more processor cache than the HP Intel Xeon L7455 (18 MB vs 12 MB). Only the HP Intel Xeon X7550 has enhanced Intel SpeedStep Technology. Only the HP Intel Xeon X7550 has Intel® Hyper Threading Technology (Intel® HT Technology).

Processor model
- Intel Xeon L7455:L7455
- Intel Xeon X7550:X7550
Processor base frequency
- Intel Xeon L7455:2.13 GHz
- Intel Xeon X7550:2 GHz
Processor cores
- Intel Xeon L7455:6
- Intel Xeon X7550:8
Processor socket
- Intel Xeon L7455:Socket 604 (mPGA604)
- Intel Xeon X7550:LGA 1567 (Socket LS)
Processor cache
- Intel Xeon L7455:12 MB
- Intel Xeon X7550:18 MB
Processor cache type
- Intel Xeon L7455:L2
- Intel Xeon X7550:L3
Thermal Design Power (TDP)
- Intel Xeon L7455:65 W
- Intel Xeon X7550:130 W
VID Voltage Range
- Intel Xeon L7455:0.9000 - 1.4500 V
- Intel Xeon X7550:0.675 - 1.35 V

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon L7455, Intel Xeon X7550
37 specifications	A HP Intel Xeon L7455 View product	B HP Intel Xeon X7550 View product
Processor8 differ
Processor modelDiffers	L7455	X7550
Processor base frequencyDiffers	2.13 GHz	2 GHz
Processor coresDiffers	6	8
Processor socketDiffers	Socket 604 (mPGA604)	LGA 1567 (Socket LS)
Processor operating modesKnown for one	64-bit	Unknown — not stated by the source
Processor cacheDiffers	12 MB	18 MB
Processor cache typeDiffers	L2	L3
Processor front side busKnown for one	1066 MHz	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	65 W	130 W
VID Voltage RangeDiffers	0.9000 - 1.4500 V	0.675 - 1.35 V
FSB ParityKnown for one	Yes	Unknown — not stated by the source
Processor threadsKnown for one	Unknown — not stated by the source	16
System bus rateKnown for one	Unknown — not stated by the source	6.4 GT/s
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.4 GHz
Bus typeKnown for one	Unknown — not stated by the source	QPI
Featuresidentical
Idle StatesKnown for one	No	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	1900 M	Unknown — not stated by the source
Processing Die sizeKnown for one	503 mm²	Unknown — not stated by the source
Processor special features3 differ
Enhanced Intel SpeedStep TechnologyDiffers	No	Yes
Intel Trusted Execution TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Turbo Boost TechnologyDiffers	No	Yes
Intel Demand Based SwitchingKnown for one	Yes	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
TcaseDiffers	73 °C	69 °C
Other features1 differ
CompatibilityDiffers	BL680C G5 2P	DL580 G7
Memoryidentical
Memory types supported by processorKnown for one	Unknown — not stated by the source	DDR3-SDRAM
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	800,978,1066,1333 MHz

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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