Product comparison · 2 cpus

HP Intel Pentium G640 vs NEC Intel Xeon E5-2407

33specifications compared
21differ
12identical
18known for one product only

Key differences

The HP Intel Pentium G640 has 0.6 GHz more processor base frequency than the NEC Intel Xeon E5-2407 (2.8 GHz vs 2.2 GHz). The NEC Intel Xeon E5-2407 has 2 more processor cores than the HP Intel Pentium G640 (4 vs 2). The NEC Intel Xeon E5-2407 has 2 more processor threads than the HP Intel Pentium G640 (4 vs 2). Only the HP Intel Pentium G640 has on-board graphics card. Processor family: Intel Pentium G on the HP Intel Pentium G640, Intel® Xeon® E5 Family on the NEC Intel Xeon E5-2407.

Processor family
- Intel Pentium G640:Intel Pentium G
- Intel Xeon E5-2407:Intel® Xeon® E5 Family
Processor model
- Intel Pentium G640:G640
- Intel Xeon E5-2407:E5-2407
Processor base frequency
- Intel Pentium G640:2.8 GHz
- Intel Xeon E5-2407:2.2 GHz
Processor cores
- Intel Pentium G640:2
- Intel Xeon E5-2407:4
Component for
- Intel Pentium G640:PC
- Intel Xeon E5-2407:Server/workstation
Processor threads
- Intel Pentium G640:2
- Intel Xeon E5-2407:4
System bus rate
- Intel Pentium G640:5 GT/s
- Intel Xeon E5-2407:6.4 GT/s
Processor cache
- Intel Pentium G640:3 MB
- Intel Xeon E5-2407:10 MB

Side by side

Differences highlightedShow differences only

Comparison of Intel Pentium G640, Intel Xeon E5-2407
51 specifications	A HP Intel Pentium G640 View product	B NEC Intel Xeon E5-2407 View product
Processor12 differ
Processor familyDiffers	Intel Pentium G	Intel® Xeon® E5 Family
Processor modelDiffers	G640	E5-2407
Processor base frequencyDiffers	2.8 GHz	2.2 GHz
Processor coresDiffers	2	4
Processor lithography	32 nm	32 nm
Component forDiffers	PC	Server/workstation
Processor threadsDiffers	2	4
System bus rateDiffers	5 GT/s	6.4 GT/s
Processor operating modes	64-bit	64-bit
Processor cacheDiffers	3 MB	10 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)Differs	65 W	80 W
VID Voltage RangeKnown for one	Unknown — not stated by the source	0.6 - 1.35 V
Compatible chipsetsKnown for one	Unknown — not stated by the source	Intel® C602, Intel® C602J, Intel® C604, Intel® C606, Intel C608
SteppingDiffers	Q0	M1
Bus typeDiffers	DMI	QPI
Number of QPI linksKnown for one	Unknown — not stated by the source	1
Memory bandwidth supported by processor (max)Differs	17 GB/s	25 GB/s
Processor socketKnown for one	LGA 1155 (Socket H2)	Unknown — not stated by the source
Memory3 differ
Maximum internal memory supported by processorDiffers	32 GB	375 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	1066 MHz	800,1066 MHz
Memory channelsDiffers	Dual-channel	Triple-channel
ECCKnown for one	Unknown — not stated by the source	Yes
Graphics1 differ
On-board graphics cardDiffers	Yes	No
On-board graphics card modelKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	850 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	1100 MHz	Unknown — not stated by the source
Number of displays supported (on-board graphics)Known for one	2	Unknown — not stated by the source
Features4 differ
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Thermal Monitoring Technologies	Yes	Yes
Market segmentDiffers	Desktop	Server
PCI Express slots versionDiffers	2.0	3.0
Supported instruction setsDiffers	SSE4.1, SSE4.2	AVX
CPU configuration (max)Differs	1	2
ScalabilityKnown for one	Unknown — not stated by the source	S2S
Processor special featuresidentical
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel Flex Memory Access	Yes	Yes
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® Smart Cache	Yes	Yes
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	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)Known for one	Unknown — not stated by the source	Yes
Intel® vPro™ Platform EligibilityKnown for one	Unknown — not stated by the source	Yes
Intel FDI TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	Yes	Unknown — not stated by the source
Other features1 differ
Intel® Virtualization Technology (Intel® VT)Differs	VT-x	VT-d, VT-x
Operational conditionsidentical
TcaseKnown for one	69.1 °C	Unknown — not stated by the source

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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