Product comparison · 2 cpus

HP Intel Xeon E5520, FI, Ref vs HP Intel Xeon E5540, Kit, Ref

34specifications compared
4differ
30identical
0known for one product only

Key differences

Processor model
- Intel Xeon E5520, FI, Ref:E5520
- Intel Xeon E5540, Kit, Ref:E5540
Processor base frequency
- Intel Xeon E5520, FI, Ref:2.26 GHz
- Intel Xeon E5540, Kit, Ref:2.53 GHz
Processor boost frequency
- Intel Xeon E5520, FI, Ref:2.53 GHz
- Intel Xeon E5540, Kit, Ref:2.8 GHz
Tcase
- Intel Xeon E5520, FI, Ref:72 °C
- Intel Xeon E5540, Kit, Ref:76 °C

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5520, FI, Ref, Intel Xeon E5540, Kit, Ref
34 specifications	A HP Intel Xeon E5520, FI, Ref View product	B HP Intel Xeon E5540, Kit, Ref View product
Processor3 differ
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E5520	E5540
Processor base frequencyDiffers	2.26 GHz	2.53 GHz
Processor cores	4	4
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
Processor lithography	45 nm	45 nm
Component for	Server/workstation	Server/workstation
Processor threads	8	8
System bus rate	5.86 GT/s	5.86 GT/s
Processor operating modes	32-bit, 64-bit	32-bit, 64-bit
Processor boost frequencyDiffers	2.53 GHz	2.8 GHz
Processor cache	8 MB	8 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)	80 W	80 W
Bus type	QPI	QPI
Number of QPI links	2	2
Memory bandwidth supported by processor (max)	25.6 GB/s	25.6 GB/s
Memoryidentical
Maximum internal memory supported by processor	144 GB	144 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processor	800,1066 MHz	800,1066 MHz
Memory channels	Triple-channel	Triple-channel
ECC	Yes	Yes
Graphicsidentical
On-board graphics card	No	No
Featuresidentical
Market segment	Server	Server
Processor special featuresidentical
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost Technology	Yes	Yes
Intel Demand Based Switching	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	Yes	Yes
Operational conditions1 differ
TcaseDiffers	72 °C	76 °C
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)	VT-d, VT-x	VT-d, 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.

More cpu comparisons

All cpu comparisons