Product comparison · 2 cpus

Dell Xeon E5540 vs Dell Xeon X5560

47specifications compared
11differ
36identical
0known for one product only

Key differences

Processor model
- Xeon E5540:E5540
- Xeon X5560:X5560
Processor base frequency
- Xeon E5540:2.53 GHz
- Xeon X5560:2.8 GHz
System bus rate
- Xeon E5540:5.86 GT/s
- Xeon X5560:6.4 GT/s
Processor boost frequency
- Xeon E5540:2.8 GHz
- Xeon X5560:3.2 GHz
L3 cache speed
- Xeon E5540:2.53 GHz
- Xeon X5560:2.8 GHz
Thermal Design Power (TDP)
- Xeon E5540:80 W
- Xeon X5560:95 W
CPU multiplier (bus/core ratio)
- Xeon E5540:19
- Xeon X5560:21
Memory bandwidth supported by processor (max)
- Xeon E5540:25.6 GB/s
- Xeon X5560:32 GB/s

Side by side

Differences highlightedShow differences only

Comparison of Xeon E5540, Xeon X5560
47 specifications	A Dell Xeon E5540 View product	B Dell Xeon X5560 View product
Processor8 differ
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E5540	X5560
Processor base frequencyDiffers	2.53 GHz	2.8 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 rateDiffers	5.86 GT/s	6.4 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyDiffers	2.8 GHz	3.2 GHz
Processor cache	8 MB	8 MB
Processor cache type	L3	L3
L3 cache speedDiffers	2.53 GHz	2.8 GHz
Thermal Design Power (TDP)Differs	80 W	95 W
VID Voltage Range	0.75 - 1.35 V	0.75 - 1.35 V
Stepping	D0	D0
Bus type	QPI	QPI
CPU multiplier (bus/core ratio)Differs	19	21
Number of QPI links	2	2
Memory bandwidth supported by processor (max)Differs	25.6 GB/s	32 GB/s
Memory1 differ
Maximum internal memory supported by processor	144 GB	144 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	800,1066 MHz	800,1066,1333 MHz
Memory channels	Triple-channel	Triple-channel
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
Number of Processing Die Transistors	731 M	731 M
Processing Die size	263 mm²	263 mm²
CPU configuration (max)	2	2
Embedded options availableDiffers	Yes	No
Physical Address Extension (PAE)	Yes	Yes
Processor special featuresidentical
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel Trusted Execution Technology	No	No
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	76 °C	75 °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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