Product comparison · 2 cpus

HP Intel Xeon E5450, HPM FIO vs NEC Intel Xeon E5640

23specifications compared
10differ
13identical
25known for one product only

Key differences

Processor model
- Intel Xeon E5450, HPM FIO:E5450
- Intel Xeon E5640:E5640
Processor base frequency
- Intel Xeon E5450, HPM FIO:3 GHz
- Intel Xeon E5640:2.66 GHz
Processor socket
- Intel Xeon E5450, HPM FIO:LGA 771 (Socket J)
- Intel Xeon E5640:Socket B (LGA 1366)
Processor lithography
- Intel Xeon E5450, HPM FIO:45 nm
- Intel Xeon E5640:32 nm
Processor threads
- Intel Xeon E5450, HPM FIO:4
- Intel Xeon E5640:8
Processor operating modes
- Intel Xeon E5450, HPM FIO:32-bit, 64-bit
- Intel Xeon E5640:64-bit
Processor cache type
- Intel Xeon E5450, HPM FIO:L2
- Intel Xeon E5640:L3
VID Voltage Range
- Intel Xeon E5450, HPM FIO:0.85 - 1.35 V
- Intel Xeon E5640:0.75 - 1.35 V

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5450, HPM FIO, Intel Xeon E5640
48 specifications	A HP Intel Xeon E5450, HPM FIO View product	B NEC Intel Xeon E5640 View product
Processor8 differ
Processor modelDiffers	E5450	E5640
Processor base frequencyDiffers	3 GHz	2.66 GHz
Processor socketDiffers	LGA 771 (Socket J)	Socket B (LGA 1366)
Processor lithographyDiffers	45 nm	32 nm
Processor threadsDiffers	4	8
System bus rateKnown for one	Unknown — not stated by the source	5.86 GT/s
Processor operating modesDiffers	32-bit, 64-bit	64-bit
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.93 GHz
Processor cache typeDiffers	L2	L3
VID Voltage RangeDiffers	0.85 - 1.35 V	0.75 - 1.35 V
SteppingKnown for one	Unknown — not stated by the source	B1
Bus typeKnown for one	Unknown — not stated by the source	QPI
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	25.6 GB/s
Processor front side busKnown for one	1333 MHz	Unknown — not stated by the source
FSB ParityKnown for one	Yes	Unknown — not stated by the source
Memoryidentical
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	288 GB
Memory types supported by processorKnown for one	Unknown — not stated by the source	DDR3-SDRAM
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	800,1066 MHz
Memory channelsKnown for one	Unknown — not stated by the source	Triple-channel
ECCKnown for one	Unknown — not stated by the source	Yes
Featuresidentical
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.2
CPU configuration (max)Known for one	Unknown — not stated by the source	2
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Number of Processing Die TransistorsKnown for one	820 M	Unknown — not stated by the source
Processing Die sizeKnown for one	214 mm²	Unknown — not stated by the source
Processor special featuresidentical
Intel Trusted Execution TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyKnown 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
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
TcaseDiffers	67 °C	77.6 °C
Other features1 differ
Intel® Virtualization Technology (Intel® VT)Differs	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