Product comparison · 2 cpus

Dell Xeon E5640 vs HP Intel Xeon E5503, FIO

32specifications compared
12differ
20identical
9known for one product only

Key differences

The Dell Xeon E5640 has 0.66 GHz more processor base frequency than the HP Intel Xeon E5503, FIO (2.66 GHz vs 2 GHz). The Dell Xeon E5640 has 2 more processor cores than the HP Intel Xeon E5503, FIO (4 vs 2). The HP Intel Xeon E5503, FIO has 13 nm more processor lithography than the Dell Xeon E5640 (45 nm vs 32 nm). Processor model: E5640 on the Dell Xeon E5640, E5503 on the HP Intel Xeon E5503, FIO. Processor operating modes: 64-bit on the Dell Xeon E5640, 32-bit, 64-bit on the HP Intel Xeon E5503, FIO.

Processor model
- Xeon E5640:E5640
- Intel Xeon E5503, FIO:E5503
Processor base frequency
- Xeon E5640:2.66 GHz
- Intel Xeon E5503, FIO:2 GHz
Processor cores
- Xeon E5640:4
- Intel Xeon E5503, FIO:2
Processor lithography
- Xeon E5640:32 nm
- Intel Xeon E5503, FIO:45 nm
Processor threads
- Xeon E5640:8
- Intel Xeon E5503, FIO:2
System bus rate
- Xeon E5640:5.86 GT/s
- Intel Xeon E5503, FIO:4.8 GT/s
Processor operating modes
- Xeon E5640:64-bit
- Intel Xeon E5503, FIO:32-bit, 64-bit
Processor cache
- Xeon E5640:12 MB
- Intel Xeon E5503, FIO:4 MB

Side by side

Differences highlightedShow differences only

Comparison of Xeon E5640, Intel Xeon E5503, FIO
41 specifications	A Dell Xeon E5640 View product	B HP Intel Xeon E5503, FIO View product
Processor9 differ
Processor modelDiffers	E5640	E5503
Processor base frequencyDiffers	2.66 GHz	2 GHz
Processor coresDiffers	4	2
Processor lithographyDiffers	32 nm	45 nm
Processor threadsDiffers	8	2
System bus rateDiffers	5.86 GT/s	4.8 GT/s
Processor operating modesDiffers	64-bit	32-bit, 64-bit
Processor boost frequencyKnown for one	2.93 GHz	Unknown — not stated by the source
Processor cacheDiffers	12 MB	4 MB
Memory bandwidth supported by processor (max)Differs	25.6 GB/s	19.2 GB/s
SteppingKnown for one	Unknown — not stated by the source	D0
Memory2 differ
Maximum internal memory supported by processorDiffers	288 GB	144 GB
Memory clock speeds supported by processorDiffers	800,1066 MHz	800 MHz
Featuresidentical
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
Processor special featuresidentical
Intel Trusted Execution TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
TcaseDiffers	77.6 °C	76 °C

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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