Product comparison · 2 cpus

Acer Intel Pentium B950 vs Acer Intel Xeon X5675

31specifications compared
22differ
9identical
29known for one product only

Key differences

The Acer Intel Xeon X5675 has 0.96 GHz more processor base frequency than the Acer Intel Pentium B950 (3.06 GHz vs 2.1 GHz). The Acer Intel Xeon X5675 has 4 more processor cores than the Acer Intel Pentium B950 (6 vs 2). The Acer Intel Xeon X5675 has 10 more processor threads than the Acer Intel Pentium B950 (12 vs 2). Only the Acer Intel Xeon X5675 has ECC. Processor family: Intel® Pentium® on the Acer Intel Pentium B950, Intel® Xeon® 5000 Sequence on the Acer Intel Xeon X5675.

Processor family
- Intel Pentium B950:Intel® Pentium®
- Intel Xeon X5675:Intel® Xeon® 5000 Sequence
Processor model
- Intel Pentium B950:B950
- Intel Xeon X5675:X5675
Processor base frequency
- Intel Pentium B950:2.1 GHz
- Intel Xeon X5675:3.06 GHz
Processor cores
- Intel Pentium B950:2
- Intel Xeon X5675:6
Processor socket
- Intel Pentium B950:PGA988
- Intel Xeon X5675:Socket B (LGA 1366)
Component for
- Intel Pentium B950:Laptop
- Intel Xeon X5675:Server/workstation
Processor threads
- Intel Pentium B950:2
- Intel Xeon X5675:12
System bus rate
- Intel Pentium B950:5 GT/s
- Intel Xeon X5675:6.4 GT/s

Side by side

Differences highlightedShow differences only

Comparison of Intel Pentium B950, Intel Xeon X5675
60 specifications	A Acer Intel Pentium B950 View product	B Acer Intel Xeon X5675 View product
Processor14 differ
Processor familyDiffers	Intel® Pentium®	Intel® Xeon® 5000 Sequence
Processor modelDiffers	B950	X5675
Processor base frequencyDiffers	2.1 GHz	3.06 GHz
Processor coresDiffers	2	6
Processor socketDiffers	PGA988	Socket B (LGA 1366)
Processor lithography	32 nm	32 nm
Package type	Tray	Tray
Component forDiffers	Laptop	Server/workstation
Processor threadsDiffers	2	12
System bus rateDiffers	5 GT/s	6.4 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.46 GHz
Processor cacheDiffers	2 MB	12 MB
Processor cache type	L3	L3
L3 cache speedKnown for one	Unknown — not stated by the source	3.06 GHz
Thermal Design Power (TDP)Differs	35 W	95 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	21.3 GB/s	32 GB/s
Processor codeDiffers	SR07T	SLBYL
Compatible chipsetsKnown for one	Intel® HM65 Express, Intel HM67 Express	Unknown — not stated by the source
Memory4 differ
Maximum internal memory supported by processorDiffers	16 GB	288 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	1066,1333 MHz	800,1066,1333 MHz
Memory channelsDiffers	Dual-channel	Triple-channel
ECCDiffers	No	Yes
Features3 differ
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Market segmentDiffers	Mobile	Server
Supported instruction setsDiffers	SSE4.1, SSE4.2	SSE4.2
CPU configuration (max)Differs	1	2
Graphics & IMC lithography	32 nm	32 nm
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	1	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8, 1x8+2x4	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® 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 Demand Based SwitchingKnown 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 (VT-x)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
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
Operational conditionsidentical
TcaseKnown for one	Unknown — not stated by the source	81.3 °C
TjunctionKnown for one	85 °C	Unknown — not stated by the source
Weight & dimensions1 differ
Processor package sizeDiffers	37.5 mm	42.5 mm
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)Known for one	Unknown — not stated by the source	VT-d, VT-x
Graphicsidentical
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
On-board graphics card modelKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	650 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

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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