Product comparison · 2 cpus

Dell Intel Xeon E5506 (2.13GHz, 4M Cache, 4.86 GT/s QPI) vs Dell Intel Xeon X5550 (2.66GHz, 8M Cache, 6.40 GT/s QPI, Turbo, HT)

35specifications compared
10differ
25identical
4known for one product only

Key differences

Processor model
- Intel Xeon E5506 (2.13GHz, 4M Cache, 4.86 GT/s QPI):E5506
- Intel Xeon X5550 (2.66GHz, 8M Cache, 6.40 GT/s QPI, Turbo, HT):X5550
Processor base frequency
- Intel Xeon E5506 (2.13GHz, 4M Cache, 4.86 GT/s QPI):2.13 GHz
- Intel Xeon X5550 (2.66GHz, 8M Cache, 6.40 GT/s QPI, Turbo, HT):2.66 GHz
Processor threads
- Intel Xeon E5506 (2.13GHz, 4M Cache, 4.86 GT/s QPI):4
- Intel Xeon X5550 (2.66GHz, 8M Cache, 6.40 GT/s QPI, Turbo, HT):8
System bus rate
- Intel Xeon E5506 (2.13GHz, 4M Cache, 4.86 GT/s QPI):4.8 GT/s
- Intel Xeon X5550 (2.66GHz, 8M Cache, 6.40 GT/s QPI, Turbo, HT):6.4 GT/s
Processor cache
- Intel Xeon E5506 (2.13GHz, 4M Cache, 4.86 GT/s QPI):4 MB
- Intel Xeon X5550 (2.66GHz, 8M Cache, 6.40 GT/s QPI, Turbo, HT):8 MB
Thermal Design Power (TDP)
- Intel Xeon E5506 (2.13GHz, 4M Cache, 4.86 GT/s QPI):80 W
- Intel Xeon X5550 (2.66GHz, 8M Cache, 6.40 GT/s QPI, Turbo, HT):95 W
VID Voltage Range
- Intel Xeon E5506 (2.13GHz, 4M Cache, 4.86 GT/s QPI):0.75 - 1.35 V
- Intel Xeon X5550 (2.66GHz, 8M Cache, 6.40 GT/s QPI, Turbo, HT):0.750 - 1.350 V
Memory bandwidth supported by processor (max)
- Intel Xeon E5506 (2.13GHz, 4M Cache, 4.86 GT/s QPI):19.2 GB/s
- Intel Xeon X5550 (2.66GHz, 8M Cache, 6.40 GT/s QPI, Turbo, HT):32 GB/s

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5506 (2.13GHz, 4M Cache, 4.86 GT/s QPI), Intel Xeon X5550 (2.66GHz, 8M Cache, 6.40 GT/s QPI, Turbo, HT)
39 specifications	A Dell Intel Xeon E5506 (2.13GHz, 4M Cache, 4.86 GT/s QPI)View product	B Dell Intel Xeon X5550 (2.66GHz, 8M Cache, 6.40 GT/s QPI, Turbo, HT)View product
Processor8 differ
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E5506	X5550
Processor base frequencyDiffers	2.13 GHz	2.66 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 threadsDiffers	4	8
System bus rateDiffers	4.8 GT/s	6.4 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.06 GHz
Processor cacheDiffers	4 MB	8 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)Differs	80 W	95 W
VID Voltage RangeDiffers	0.75 - 1.35 V	0.750 - 1.350 V
Bus type	QPI	QPI
Number of QPI links	2	2
Memory bandwidth supported by processor (max)Differs	19.2 GB/s	32 GB/s
CPU multiplier (bus/core ratio)Known for one	16	Unknown — not stated by the source
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 MHz	800,1066,1333 MHz
Memory channels	Triple-channel	Triple-channel
ECC	Yes	Yes
Graphicsidentical
On-board graphics card	No	No
Featuresidentical
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Market segment	Server	Server
CPU configuration (max)	2	2
Processor special featuresidentical
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel Trusted Execution Technology	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyKnown for one	Unknown — not stated by the source	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
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