Product comparison · 2 cpus

HP Intel Xeon E5520 vs HP Intel Xeon E5540

40specifications compared
5differ
35identical
4known for one product only

Key differences

The HP Intel Xeon E5540 has 0.27 GHz more processor base frequency than the HP Intel Xeon E5520 (2.53 GHz vs 2.26 GHz). The HP Intel Xeon E5540 has 0.27 GHz more processor boost frequency than the HP Intel Xeon E5520 (2.8 GHz vs 2.53 GHz). The HP Intel Xeon E5520 has 468 mm² more processing Die size than the HP Intel Xeon E5540 (731 mm² vs 263 mm²). Processor model: E5520 on the HP Intel Xeon E5520, E5540 on the HP Intel Xeon E5540.

Processor model
- Intel Xeon E5520:E5520
- Intel Xeon E5540:E5540
Processor base frequency
- Intel Xeon E5520:2.26 GHz
- Intel Xeon E5540:2.53 GHz
Processor boost frequency
- Intel Xeon E5520:2.53 GHz
- Intel Xeon E5540:2.8 GHz
Processing Die size
- Intel Xeon E5520:731 mm²
- Intel Xeon E5540:263 mm²
Tcase
- Intel Xeon E5520:72 °C
- Intel Xeon E5540:76 °C

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5520, Intel Xeon E5540
44 specifications	A HP Intel Xeon E5520 View product	B HP Intel Xeon E5540 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	64-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
VID Voltage Range	0.75 - 1.35 V	0.75 - 1.35 V
Stepping	D0	D0
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 channelsKnown for one	Triple-channel	Unknown — not stated by the source
ECC	Yes	Yes
Graphicsidentical
On-board graphics card	No	No
Features1 differ
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Market segment	Server	Server
Processing Die sizeDiffers	731 mm²	263 mm²
Number of Graphics & IMC Die TransistorsKnown for one	263 M	Unknown — not stated by the source
CPU configuration (max)	2	2
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	731 M
Embedded options availableKnown for one	Unknown — not stated by the source	Yes
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
Weight & dimensionsidentical
Processor package size	42.5 mm	42.5 mm
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.

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