Product comparison · 2 cpus

HP Intel Xeon E3-1240 vs Lenovo Intel Xeon E7-2820

Key differences

Processor family
- Intel Xeon E3-1240:Intel® Xeon® E3 Family
- Intel Xeon E7-2820:Intel® Xeon® E7 Family
Processor model
- Intel Xeon E3-1240:E3-1240
- Intel Xeon E7-2820:E7-2820
Processor base frequency
- Intel Xeon E3-1240:3.3 GHz
- Intel Xeon E7-2820:2 GHz
Processor cores
- Intel Xeon E3-1240:4
- Intel Xeon E7-2820:8
Processor socket
- Intel Xeon E3-1240:LGA 1155 (Socket H2)
- Intel Xeon E7-2820:LGA 1567 (Socket LS)
Processor threads
- Intel Xeon E3-1240:8
- Intel Xeon E7-2820:16
System bus rate
- Intel Xeon E3-1240:5 GT/s
- Intel Xeon E7-2820:5.86 GT/s
Processor boost frequency
- Intel Xeon E3-1240:3.7 GHz
- Intel Xeon E7-2820:2.666 GHz

Differences highlightedShow differences only

Comparison of Intel Xeon E3-1240, Intel Xeon E7-2820
25 specifications	A HP Intel Xeon E3-1240 View product	B Lenovo Intel Xeon E7-2820 View product
Processor11 differ
Processor familyDiffers	Intel® Xeon® E3 Family	Intel® Xeon® E7 Family
Processor modelDiffers	E3-1240	E7-2820
Processor base frequencyDiffers	3.3 GHz	2 GHz
Processor coresDiffers	4	8
Processor socketDiffers	LGA 1155 (Socket H2)	LGA 1567 (Socket LS)
Processor lithography	32 nm	32 nm
Package typeKnown for one	Tray	Unknown — not stated by the source
Component for	Server/workstation	Server/workstation
Processor threadsDiffers	8	16
System bus rateDiffers	5 GT/s	5.86 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyDiffers	3.7 GHz	2.666 GHz
Processor cacheDiffers	8 MB	18 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)Differs	80 W	105 W
CPU multiplier (bus/core ratio)Differs	33	15
Memory bandwidth supported by processor (max)Known for one	32 GB/s	Unknown — not stated by the source
SteppingKnown for one	Unknown — not stated by the source	A2
Processor codeKnown for one	Unknown — not stated by the source	SLC3R
Memoryidentical
Maximum internal memory supported by processorKnown for one	32 GB	Unknown — not stated by the source
Memory clock speeds supported by processorKnown for one	1066,1333 MHz	Unknown — not stated by the source
Memory channelsKnown for one	Dual-channel	Unknown — not stated by the source
ECCKnown for one	Yes	Unknown — not stated by the source
Featuresidentical
Market segment	Server	Server
Operational conditions1 differ
Maximum operating temperatureDiffers	69.1 °C	64 °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.