Product comparison · 2 cpus

Dell Xeon L5520 vs Dell Xeon X5680

39specifications compared
14differ
25identical
11known for one product only

Key differences

Processor model
- Xeon L5520:L5520
- Xeon X5680:X5680
Processor base frequency
- Xeon L5520:2.26 GHz
- Xeon X5680:3.33 GHz
Processor cores
- Xeon L5520:4
- Xeon X5680:6
Processor lithography
- Xeon L5520:45 nm
- Xeon X5680:32 nm
Processor threads
- Xeon L5520:8
- Xeon X5680:12
System bus rate
- Xeon L5520:5.86 GT/s
- Xeon X5680:6.4 GT/s
Processor cache
- Xeon L5520:8 MB
- Xeon X5680:12 MB
Thermal Design Power (TDP)
- Xeon L5520:60 W
- Xeon X5680:130 W

Side by side

Differences highlightedShow differences only

Comparison of Xeon L5520, Xeon X5680
50 specifications	A Dell Xeon L5520 View product	B Dell Xeon X5680 View product
Processor10 differ
Processor modelDiffers	L5520	X5680
Processor base frequencyDiffers	2.26 GHz	3.33 GHz
Processor coresDiffers	4	6
Processor lithographyDiffers	45 nm	32 nm
Processor threadsDiffers	8	12
System bus rateDiffers	5.86 GT/s	6.4 GT/s
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.6 GHz
Processor cacheDiffers	8 MB	12 MB
Thermal Design Power (TDP)Differs	60 W	130 W
SteppingDiffers	D0	B1
Memory bandwidth supported by processor (max)Differs	25.6 GB/s	32 GB/s
L3 cache speedKnown for one	2.26 GHz	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	17	Unknown — not stated by the source
Memory2 differ
Maximum internal memory supported by processorDiffers	144 GB	288 GB
Memory clock speeds supported by processorDiffers	800,1066 MHz	800,1066,1333 MHz
Featuresidentical
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	No
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.2
CPU configuration (max)Known for one	Unknown — not stated by the source	2
Number of Processing Die TransistorsKnown for one	731 M	Unknown — not stated by the source
Processing Die sizeKnown for one	263 mm²	Unknown — not stated by the source
Physical Address Extension (PAE)Known for one	Yes	Unknown — not stated by the source
Processor special features1 differ
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyKnown for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
TcaseDiffers	70 °C	78.5 °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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