Product comparison · 2 cpus

Acer Intel Pentium B940 vs Acer Intel Xeon E3-1220

30specifications compared
15differ
15identical
27known for one product only

Key differences

Processor family
- Intel Pentium B940:Intel® Pentium®
- Intel Xeon E3-1220:Intel® Xeon® E3 Family
Processor model
- Intel Pentium B940:B940
- Intel Xeon E3-1220:E3-1220
Processor base frequency
- Intel Pentium B940:2 GHz
- Intel Xeon E3-1220:3.1 GHz
Processor cores
- Intel Pentium B940:2
- Intel Xeon E3-1220:4
Processor socket
- Intel Pentium B940:PGA988
- Intel Xeon E3-1220:LGA 1155 (Socket H2)
Component for
- Intel Pentium B940:Laptop
- Intel Xeon E3-1220:Server/workstation
Processor threads
- Intel Pentium B940:2
- Intel Xeon E3-1220:4
Processor cache
- Intel Pentium B940:2 MB
- Intel Xeon E3-1220:8 MB

Side by side

Differences highlightedShow differences only

Comparison of Intel Pentium B940, Intel Xeon E3-1220
57 specifications	A Acer Intel Pentium B940 View product	B Acer Intel Xeon E3-1220 View product
Processor10 differ
Processor familyDiffers	Intel® Pentium®	Intel® Xeon® E3 Family
Processor modelDiffers	B940	E3-1220
Processor base frequencyDiffers	2 GHz	3.1 GHz
Processor coresDiffers	2	4
Processor socketDiffers	PGA988	LGA 1155 (Socket H2)
Component forDiffers	Laptop	Server/workstation
Processor threadsDiffers	2	4
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.4 GHz
Processor cacheDiffers	2 MB	8 MB
Thermal Design Power (TDP)Differs	35 W	80 W
Bus typeKnown for one	Unknown — not stated by the source	DMI
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	31
Memory bandwidth supported by processor (max)Differs	21.3 GB/s	21 GB/s
L3 cache speedKnown for one	2 GHz	Unknown — not stated by the source
Compatible chipsetsKnown for one	Intel® HM65 Express, Intel HM67 Express	Unknown — not stated by the source
SteppingKnown for one	Q0	Unknown — not stated by the source
Memory2 differ
Maximum internal memory supported by processorDiffers	16 GB	32 GB
ECCDiffers	No	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	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
Features2 differ
Market segmentDiffers	Mobile	Server
Maximum number of PCI Express lanesDiffers	1	2
PCI Express configurationsKnown for one	1x16, 2x8, 1x8+2x4	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.1, SSE4.2	Unknown — not stated by the source
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Graphics & IMC lithographyKnown for one	32 nm	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® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyKnown for one	Unknown — not stated by the source	2.0
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® vPro™ Platform EligibilityKnown for one	Unknown — not stated by the source	Yes
Intel FDI TechnologyKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
TcaseKnown for one	Unknown — not stated by the source	69.1 °C
TjunctionKnown for one	85 °C	Unknown — not stated by the source
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)Known for one	Unknown — not stated by the source	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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