Product comparison · 2 cpus

HP Intel Pentium G640 vs HP Intel Xeon X5680 Kit, Ref

31specifications compared
23differ
8identical
21known for one product only

Key differences

The HP Intel Xeon X5680 Kit, Ref has 0.53 GHz more processor base frequency than the HP Intel Pentium G640 (3.33 GHz vs 2.8 GHz). The HP Intel Xeon X5680 Kit, Ref has 4 more processor cores than the HP Intel Pentium G640 (6 vs 2). The HP Intel Xeon X5680 Kit, Ref has 10 more processor threads than the HP Intel Pentium G640 (12 vs 2). Only the HP Intel Pentium G640 has on-board graphics card. Only the HP Intel Pentium G640 has thermal Monitoring Technologies.

Processor family
- Intel Pentium G640:Intel Pentium G
- Intel Xeon X5680 Kit, Ref:Intel® Xeon® 5000 Sequence
Processor model
- Intel Pentium G640:G640
- Intel Xeon X5680 Kit, Ref:X5680
Processor base frequency
- Intel Pentium G640:2.8 GHz
- Intel Xeon X5680 Kit, Ref:3.33 GHz
Processor cores
- Intel Pentium G640:2
- Intel Xeon X5680 Kit, Ref:6
Processor socket
- Intel Pentium G640:LGA 1155 (Socket H2)
- Intel Xeon X5680 Kit, Ref:LGA 1356 (Socket B2)
Component for
- Intel Pentium G640:PC
- Intel Xeon X5680 Kit, Ref:Server/workstation
Processor threads
- Intel Pentium G640:2
- Intel Xeon X5680 Kit, Ref:12
System bus rate
- Intel Pentium G640:5 GT/s
- Intel Xeon X5680 Kit, Ref:6.4 GT/s

Side by side

Differences highlightedShow differences only

Comparison of Intel Pentium G640, Intel Xeon X5680 Kit, Ref
52 specifications	A HP Intel Pentium G640 View product	B HP Intel Xeon X5680 Kit, Ref View product
Processor14 differ
Processor familyDiffers	Intel Pentium G	Intel® Xeon® 5000 Sequence
Processor modelDiffers	G640	X5680
Processor base frequencyDiffers	2.8 GHz	3.33 GHz
Processor coresDiffers	2	6
Processor socketDiffers	LGA 1155 (Socket H2)	LGA 1356 (Socket B2)
Processor lithography	32 nm	32 nm
Component forDiffers	PC	Server/workstation
Processor threadsDiffers	2	12
System bus rateDiffers	5 GT/s	6.4 GT/s
Processor operating modesDiffers	64-bit	32-bit, 64-bit
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.6 GHz
Processor cacheDiffers	3 MB	12 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)Differs	65 W	130 W
VID Voltage RangeKnown for one	Unknown — not stated by the source	0.750 - 1.350 V
SteppingDiffers	Q0	B1
Bus typeDiffers	DMI	QPI
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Memory bandwidth supported by processor (max)Differs	17 GB/s	32 GB/s
Memory3 differ
Maximum internal memory supported by processorDiffers	32 GB	288 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	1066 MHz	800,1066,1333 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
Features3 differ
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Thermal Monitoring TechnologiesDiffers	Yes	No
Market segmentDiffers	Desktop	Server
Supported instruction setsDiffers	SSE4.1, SSE4.2	SSE4.2
Embedded options availableKnown for one	Unknown — not stated by the source	No
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Processor special featuresidentical
Enhanced Intel SpeedStep Technology	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® 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 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 FDI TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Operational conditions1 differ
TcaseDiffers	69.1 °C	78.5 °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.

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