Product comparison · 2 cpus

Acer Intel Core i5-655K vs Acer Intel Pentium B940

27specifications compared
12differ
15identical
31known for one product only

Key differences

Processor family
- Intel Core i5-655K:Intel® Core™ i5
- Intel Pentium B940:Intel® Pentium®
Processor model
- Intel Core i5-655K:i5-655K
- Intel Pentium B940:B940
Processor base frequency
- Intel Core i5-655K:3.2 GHz
- Intel Pentium B940:2 GHz
Processor socket
- Intel Core i5-655K:LGA 1156 (Socket H)
- Intel Pentium B940:PGA988
Component for
- Intel Core i5-655K:PC
- Intel Pentium B940:Laptop
Processor cache
- Intel Core i5-655K:4 MB
- Intel Pentium B940:2 MB
Thermal Design Power (TDP)
- Intel Core i5-655K:73 W
- Intel Pentium B940:35 W
Memory bandwidth supported by processor (max)
- Intel Core i5-655K:21 GB/s
- Intel Pentium B940:21.3 GB/s

Side by side

Differences highlightedShow differences only

Comparison of Intel Core i5-655K, Intel Pentium B940
58 specifications	A Acer Intel Core i5-655K View product	B Acer Intel Pentium B940 View product
Processor8 differ
Processor familyDiffers	Intel® Core™ i5	Intel® Pentium®
Processor modelDiffers	i5-655K	B940
Processor base frequencyDiffers	3.2 GHz	2 GHz
Processor socketDiffers	LGA 1156 (Socket H)	PGA988
Package typeKnown for one	Unknown — not stated by the source	Tray
Component forDiffers	PC	Laptop
Processor threadsKnown for one	Unknown — not stated by the source	2
Processor cacheDiffers	4 MB	2 MB
L3 cache speedKnown for one	Unknown — not stated by the source	2 GHz
Thermal Design Power (TDP)Differs	73 W	35 W
Compatible chipsetsKnown for one	Unknown — not stated by the source	Intel® HM65 Express, Intel HM67 Express
SteppingKnown for one	Unknown — not stated by the source	Q0
Memory bandwidth supported by processor (max)Differs	21 GB/s	21.3 GB/s
Processor generationKnown for one	Intel® Core™ i5	Unknown — not stated by the source
System bus rateKnown for one	2.5 GT/s	Unknown — not stated by the source
Processor boost frequencyKnown for one	3.46 GHz	Unknown — not stated by the source
VID Voltage RangeKnown for one	0.6500 - 1.4000 V	Unknown — not stated by the source
Memoryidentical
ECCKnown for one	Unknown — not stated by the source	No
Graphics1 differ
On-board graphics card base frequencyDiffers	733 MHz	650 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	1100 MHz
Number of displays supported (on-board graphics)Known for one	Unknown — not stated by the source	2
Features3 differ
Thermal Monitoring TechnologiesDiffers	No	Yes
Market segmentDiffers	Desktop	Mobile
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	1
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x16, 2x8, 1x8+2x4
Supported instruction setsDiffers	SSE4.2	SSE4.1, SSE4.2
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	32 nm
Embedded options availableKnown for one	No	Unknown — not stated by the source
Processor special featuresidentical
Intel Fast Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Trusted Execution TechnologyKnown for one	No	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	Yes	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Yes	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Yes	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	Yes	Unknown — not stated by the source
Intel® vPro™ Platform EligibilityKnown for one	No	Unknown — not stated by the source
Operational conditionsidentical
TjunctionKnown for one	Unknown — not stated by the source	85 °C
TcaseKnown for one	72.6 °C	Unknown — not stated by the source
Weight & dimensionsidentical
Processor package sizeKnown for one	Unknown — not stated by the source	37.5 mm
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)Known for one	VT-x	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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