Product comparison · 2 cpus

Dell Xeon E5640 vs HP Intel Celeron 925

16specifications compared
14differ
2identical
27known for one product only

Key differences

Processor family
- Xeon E5640:Intel® Xeon® 5000 Sequence
- Intel Celeron 925:Intel® Celeron®
Processor model
- Xeon E5640:E5640
- Intel Celeron 925:925
Processor base frequency
- Xeon E5640:2.66 GHz
- Intel Celeron 925:2.3 GHz
Processor cores
- Xeon E5640:4
- Intel Celeron 925:1
Processor lithography
- Xeon E5640:32 nm
- Intel Celeron 925:45 nm
Processor cache
- Xeon E5640:12 MB
- Intel Celeron 925:1 MB
Processor cache type
- Xeon E5640:L3
- Intel Celeron 925:L2
Thermal Design Power (TDP)
- Xeon E5640:80 W
- Intel Celeron 925:35 W

Side by side

Differences highlightedShow differences only

Comparison of Xeon E5640, Intel Celeron 925
43 specifications	A Dell Xeon E5640 View product	B HP Intel Celeron 925 View product
Processor8 differ
Processor familyDiffers	Intel® Xeon® 5000 Sequence	Intel® Celeron®
Processor modelDiffers	E5640	925
Processor base frequencyDiffers	2.66 GHz	2.3 GHz
Processor coresDiffers	4	1
Processor socketKnown for one	Socket B (LGA 1366)	Unknown — not stated by the source
Processor lithographyDiffers	32 nm	45 nm
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Processor threadsKnown for one	8	Unknown — not stated by the source
System bus rateKnown for one	5.86 GT/s	Unknown — not stated by the source
Processor boost frequencyKnown for one	2.93 GHz	Unknown — not stated by the source
Processor cacheDiffers	12 MB	1 MB
Processor cache typeDiffers	L3	L2
Thermal Design Power (TDP)Differs	80 W	35 W
VID Voltage RangeKnown for one	0.75 - 1.35 V	Unknown — not stated by the source
Bus typeKnown for one	QPI	Unknown — not stated by the source
Number of QPI linksKnown for one	2	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one	25.6 GB/s	Unknown — not stated by the source
Package typeKnown for one	Unknown — not stated by the source	Tray
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
Memoryidentical
Maximum internal memory supported by processorKnown for one	288 GB	Unknown — not stated by the source
Memory types supported by processorKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory clock speeds supported by processorKnown for one	800,1066 MHz	Unknown — not stated by the source
Memory channelsKnown for one	Triple-channel	Unknown — not stated by the source
ECCKnown for one	Yes	Unknown — not stated by the source
Graphicsidentical
On-board graphics cardKnown for one	No	Unknown — not stated by the source
Featuresidentical
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Market segmentKnown for one	Server	Unknown — not stated by the source
Supported instruction setsKnown for one	AES, SSE4.2	Unknown — not stated by the source
CPU configuration (max)Known for one	2	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	410 M
Processing Die sizeKnown for one	Unknown — not stated by the source	107 mm²
Embedded options availableKnown for one	Unknown — not stated by the source	No
Processor special features4 differ
Enhanced Intel SpeedStep TechnologyDiffers	Yes	No
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Turbo Boost TechnologyDiffers	Yes	No
Intel Demand Based SwitchingKnown for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Yes	Unknown — not stated by the source
Operational conditions1 differ
TcaseDiffers	77.6 °C	105 °C
Other features1 differ
Intel® Virtualization Technology (Intel® VT)Differs	VT-d, VT-x	No

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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