Product comparison · 2 cpus

HP Intel Xeon 5120 vs HP Intel Xeon E5540, Kit, Ref

21specifications compared
15differ
6identical
25known for one product only

Key differences

Processor model
- Intel Xeon 5120:5120
- Intel Xeon E5540, Kit, Ref:E5540
Processor base frequency
- Intel Xeon 5120:1.86 GHz
- Intel Xeon E5540, Kit, Ref:2.53 GHz
Processor cores
- Intel Xeon 5120:2
- Intel Xeon E5540, Kit, Ref:4
Processor socket
- Intel Xeon 5120:LGA 771 (Socket J)
- Intel Xeon E5540, Kit, Ref:Socket B (LGA 1366)
Processor lithography
- Intel Xeon 5120:65 nm
- Intel Xeon E5540, Kit, Ref:45 nm
Processor operating modes
- Intel Xeon 5120:64-bit
- Intel Xeon E5540, Kit, Ref:32-bit, 64-bit
Processor cache
- Intel Xeon 5120:4 MB
- Intel Xeon E5540, Kit, Ref:8 MB
Processor cache type
- Intel Xeon 5120:L2
- Intel Xeon E5540, Kit, Ref:L3

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon 5120, Intel Xeon E5540, Kit, Ref
46 specifications	A HP Intel Xeon 5120 View product	B HP Intel Xeon E5540, Kit, Ref View product
Processor9 differ
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	5120	E5540
Processor base frequencyDiffers	1.86 GHz	2.53 GHz
Processor coresDiffers	2	4
Processor socketDiffers	LGA 771 (Socket J)	Socket B (LGA 1366)
Processor lithographyDiffers	65 nm	45 nm
Component for	Server/workstation	Server/workstation
Processor threadsKnown for one	Unknown — not stated by the source	8
System bus rateKnown for one	Unknown — not stated by the source	5.86 GT/s
Processor operating modesDiffers	64-bit	32-bit, 64-bit
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.8 GHz
Processor cacheDiffers	4 MB	8 MB
Processor cache typeDiffers	L2	L3
Thermal Design Power (TDP)Differs	65 W	80 W
Bus typeKnown for one	Unknown — not stated by the source	QPI
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 front side busKnown for one	1066 MHz	Unknown — not stated by the source
Scenario Design Power (SDP)Known for one	0 W	Unknown — not stated by the source
VID Voltage RangeKnown for one	0.85 - 1.5 V	Unknown — not stated by the source
FSB ParityKnown for one	Yes	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
Market segment	Server	Server
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	291 M	Unknown — not stated by the source
Processing Die sizeKnown for one	143 mm²	Unknown — not stated by the source
Embedded options availableKnown for one	No	Unknown — not stated by the source
Processor special features4 differ
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyDiffers	No	Yes
Intel Demand Based SwitchingDiffers	No	Yes
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	Yes
Intel Trusted Execution TechnologyKnown for one	No	Unknown — not stated by the source
Operational conditions1 differ
TcaseDiffers	65 °C	76 °C
Other features1 differ
Intel® Virtualization Technology (Intel® VT)Differs	VT-x	VT-d, VT-x
CompatibilityKnown for one	DL180	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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