Product comparison · 2 cpus

Dell Xeon L5609 vs Dell Xeon X5550

42specifications compared
17differ
25identical
8known for one product only

Key differences

Processor model
- Xeon L5609:L5609
- Xeon X5550:X5550
Processor base frequency
- Xeon L5609:1.86 GHz
- Xeon X5550:2.66 GHz
Processor lithography
- Xeon L5609:32 nm
- Xeon X5550:45 nm
Processor threads
- Xeon L5609:4
- Xeon X5550:8
System bus rate
- Xeon L5609:4.8 GT/s
- Xeon X5550:6.4 GT/s
Processor cache
- Xeon L5609:12 MB
- Xeon X5550:8 MB
Thermal Design Power (TDP)
- Xeon L5609:40 W
- Xeon X5550:95 W
VID Voltage Range
- Xeon L5609:0.750 - 1.350 V
- Xeon X5550:0.75 - 1.35 V

Side by side

Differences highlightedShow differences only

Comparison of Xeon L5609, Xeon X5550
50 specifications	A Dell Xeon L5609 View product	B Dell Xeon X5550 View product
Processor11 differ
Processor modelDiffers	L5609	X5550
Processor base frequencyDiffers	1.86 GHz	2.66 GHz
Processor lithographyDiffers	32 nm	45 nm
Processor threadsDiffers	4	8
System bus rateDiffers	4.8 GT/s	6.4 GT/s
Processor cacheDiffers	12 MB	8 MB
Thermal Design Power (TDP)Differs	40 W	95 W
VID Voltage RangeDiffers	0.750 - 1.350 V	0.75 - 1.35 V
SteppingDiffers	B1	D0
CPU multiplier (bus/core ratio)Differs	14	20
Memory bandwidth supported by processor (max)Differs	25.6 GB/s	32 GB/s
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.06 GHz
L3 cache speedKnown for one	Unknown — not stated by the source	2.66 GHz
Memory2 differ
Maximum internal memory supported by processorDiffers	288 GB	144 GB
Memory clock speeds supported by processorDiffers	800,1066 MHz	800,1066,1333 MHz
Featuresidentical
Thermal Monitoring TechnologiesKnown for one	No	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
CPU configuration (max)Known for one	2	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	731 M
Processing Die sizeKnown for one	Unknown — not stated by the source	263 mm²
Processor special features3 differ
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel® AES New Instructions (Intel® AES-NI)Known for one	Yes	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Turbo Boost TechnologyDiffers	No	Yes
Operational conditions1 differ
TcaseDiffers	63.1 °C	75 °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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