Product comparison · 2 cpus

Dell opteron 2439 SE vs Dell Xeon L5520

16specifications compared
9differ
7identical
32known for one product only

Key differences

Processor family
- opteron 2439 SE:AMD Opteron
- Xeon L5520:Intel® Xeon® 5000 Sequence
Processor model
- opteron 2439 SE:2439 SE
- Xeon L5520:L5520
Processor base frequency
- opteron 2439 SE:2.8 GHz
- Xeon L5520:2.26 GHz
Processor cores
- opteron 2439 SE:6
- Xeon L5520:4
Processor socket
- opteron 2439 SE:Socket F (1207)
- Xeon L5520:Socket B (LGA 1366)
Processor threads
- opteron 2439 SE:6
- Xeon L5520:8
Processor cache
- opteron 2439 SE:6 MB
- Xeon L5520:8 MB
Thermal Design Power (TDP)
- opteron 2439 SE:137 W
- Xeon L5520:60 W

Side by side

Differences highlightedShow differences only

Comparison of opteron 2439 SE, Xeon L5520
48 specifications	A Dell opteron 2439 SE View product	B Dell Xeon L5520 View product
Processor8 differ
Processor familyDiffers	AMD Opteron	Intel® Xeon® 5000 Sequence
Processor modelDiffers	2439 SE	L5520
Processor base frequencyDiffers	2.8 GHz	2.26 GHz
Processor coresDiffers	6	4
Processor socketDiffers	Socket F (1207)	Socket B (LGA 1366)
Processor lithography	45 nm	45 nm
Component for	Server/workstation	Server/workstation
Processor threadsDiffers	6	8
System bus rateKnown for one	Unknown — not stated by the source	5.86 GT/s
Processor operating modes	64-bit	64-bit
Processor cacheDiffers	6 MB	8 MB
Processor cache type	L3	L3
L3 cache speedKnown for one	Unknown — not stated by the source	2.26 GHz
Thermal Design Power (TDP)Differs	137 W	60 W
VID Voltage RangeKnown for one	Unknown — not stated by the source	0.750 - 1.350 V
Stepping	D0	D0
Bus typeKnown for one	Unknown — not stated by the source	QPI
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	17
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	25.6 GB/s
Processor core voltage (AC)Known for one	1.3 V	Unknown — not stated by the source
Memoryidentical
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	144 GB
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	800,1066 MHz
Memory channelsKnown for one	Unknown — not stated by the source	Triple-channel
ECCKnown for one	Unknown — not stated by the source	Yes
Graphicsidentical
On-board graphics card	No	No
Featuresidentical
Execute Disable BitKnown for one	Unknown — not stated by the source	Yes
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Market segment	Server	Server
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
Embedded options availableKnown for one	Unknown — not stated by the source	No
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Supported instruction setsKnown for one	SSE, SSE2, SSE3	Unknown — not stated by the source
Processor special featuresidentical
Enhanced Intel SpeedStep TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Trusted Execution TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	Yes
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology (VT-x)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	Yes
AMD Virtualization TechnologyKnown for one	Yes	Unknown — not stated by the source
Operational conditions1 differ
TcaseDiffers	71 °C	70 °C
Weight & dimensionsidentical
Processor package sizeKnown for one	Unknown — not stated by the source	42.5 mm
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)Known for one	Unknown — not stated by the source	VT-d, VT-x
L1 cacheKnown for one	0.3 MB	Unknown — not stated by the source

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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