Product comparison · 2 cpus

HP Intel Xeon L3406 vs HP Intel Xeon W3690

38specifications compared
18differ
20identical
14known for one product only

Key differences

Processor model
- Intel Xeon L3406:L3406
- Intel Xeon W3690:W3690
Processor base frequency
- Intel Xeon L3406:2.26 GHz
- Intel Xeon W3690:3.46 GHz
Processor cores
- Intel Xeon L3406:2
- Intel Xeon W3690:6
Processor socket
- Intel Xeon L3406:LGA 1156 (Socket H)
- Intel Xeon W3690:Socket B (LGA 1366)
Processor threads
- Intel Xeon L3406:4
- Intel Xeon W3690:12
System bus rate
- Intel Xeon L3406:2.5 GT/s
- Intel Xeon W3690:6.4 GT/s
Processor boost frequency
- Intel Xeon L3406:2.53 GHz
- Intel Xeon W3690:3.73 GHz
Processor cache
- Intel Xeon L3406:4 MB
- Intel Xeon W3690:12 MB

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon L3406, Intel Xeon W3690
52 specifications	A HP Intel Xeon L3406 View product	B HP Intel Xeon W3690 View product
Processor12 differ
Processor modelDiffers	L3406	W3690
Processor base frequencyDiffers	2.26 GHz	3.46 GHz
Processor coresDiffers	2	6
Processor socketDiffers	LGA 1156 (Socket H)	Socket B (LGA 1366)
Processor threadsDiffers	4	12
System bus rateDiffers	2.5 GT/s	6.4 GT/s
Processor boost frequencyDiffers	2.53 GHz	3.73 GHz
Processor cacheDiffers	4 MB	12 MB
Thermal Design Power (TDP)Differs	30 W	130 W
VID Voltage RangeDiffers	0.65 - 1.4 V	0.8 - 1.375 V
Bus typeDiffers	DMI	QPI
Memory bandwidth supported by processor (max)Differs	17 GB/s	32 GB/s
SteppingKnown for one	Unknown — not stated by the source	B1
Number of QPI linksKnown for one	Unknown — not stated by the source	1
Memory2 differ
Memory clock speeds supported by processorDiffers	1066 MHz	800,1066,1333 MHz
Memory channelsDiffers	Dual-channel	Triple-channel
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	24 GB
Features1 differ
Maximum number of PCI Express lanesKnown for one	1	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	382 M	Unknown — not stated by the source
Processing Die sizeDiffers	81 mm²	239 mm²
Number of Graphics & IMC Die TransistorsKnown for one	177 M	Unknown — not stated by the source
Graphics & IMC Die SizeKnown for one	114 mm²	Unknown — not stated by the source
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.2
Processor special features1 differ
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Yes	Unknown — not stated by the source
Intel® vPro™ Platform EligibilityKnown for one	No	Unknown — not stated by the source
Operational conditions1 differ
TcaseDiffers	53.9 °C	67.9 °C
Other features1 differ
Intel® Virtualization Technology (Intel® VT)Differs	VT-d, VT-x	VT-x

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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