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Product comparison · 2 cpus

Acer Intel Core i5-655K vs Dell i7-740QM processor

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  • 26specifications compared
  • 16differ
  • 10identical
  • 32known for one product only

Key differences

  • Processor family
    • Intel® Core™ i5
    • Intel® Core™ i7
  • Processor generation
    • Intel® Core™ i5
    • Intel® Core™ i7
  • Processor model
    • i5-655K
    • i7-740QM
  • Processor base frequency
    • 3.2 GHz
    • 1.73 GHz
  • Processor cores
    • 2
    • 4
  • Processor socket
    • LGA 1156 (Socket H)
    • PGA988
  • Processor lithography
    • 32 nm
    • 45 nm
  • Processor boost frequency
    • 3.46 GHz
    • 2.93 GHz

Side by side

Differences highlightedShow differences only
58 specifications
A

Acer

Intel Core i5-655KView product
B

Dell

i7-740QM processor

Model i7-740QM

View product
Processor11 differ
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffersIntel® Core™ i5Intel® Core™ i7
Processor modelDiffersi5-655Ki7-740QM
Processor base frequencyDiffers3.2 GHz1.73 GHz
Processor coresDiffers24
Processor socketDiffersLGA 1156 (Socket H)PGA988
Processor lithographyDiffers32 nm45 nm
Component forKnown for onePC
System bus rate2.5 GT/s2.5 GT/s
Processor operating modes64-bit64-bit
Processor boost frequencyDiffers3.46 GHz2.93 GHz
Processor cacheDiffers4 MB6 MB
Processor cache typeDiffersL3Smart Cache
Thermal Design Power (TDP)Differs73 W45 W
VID Voltage RangeKnown for one0.6500 - 1.4000 V
Memory bandwidth supported by processor (max)21 GB/s21 GB/s
Processor threadsKnown for one8
Bus typeKnown for oneDMI
CPU multiplier (bus/core ratio)Known for one13
Memoryidentical
Maximum internal memory supported by processorKnown for one16 GB
Memory types supported by processorKnown for oneDDR3-SDRAM
Memory clock speeds supported by processorKnown for one1066,1333 MHz
Memory channelsDual-channelDual-channel
Graphics1 differ
On-board graphics cardDiffersYesNo
On-board graphics card modelKnown for oneIntel® HD Graphics
On-board graphics card base frequencyKnown for one733 MHz
Features1 differ
Execute Disable BitYesYes
Idle StatesKnown for oneYes
Thermal Monitoring TechnologiesDiffersNoYes
Market segmentKnown for oneDesktop
PCI Express slots versionKnown for one2.0
Supported instruction setsSSE4.2SSE4.2
Embedded options availableNoNo
Maximum number of PCI Express lanesKnown for one16
PCI Express configurationsKnown for one1x16, 2x8
Number of Processing Die TransistorsKnown for one774 M
Processing Die sizeKnown for one296 mm²
Physical Address Extension (PAE)Known for one36 bit
Processor special features3 differ
Enhanced Intel SpeedStep TechnologyYesYes
Intel FDI TechnologyKnown for oneYes
Intel Trusted Execution TechnologyDiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersYesNo
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneYes
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel Demand Based SwitchingKnown for oneNo
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)Known for oneYes
Intel® vPro™ Platform EligibilityDiffersNoYes
Intel® Turbo Boost TechnologyKnown for one1.0
Conflict-Free processorKnown for oneNo
Intel 64Known for oneYes
Intel Enhanced Halt StateKnown for oneYes
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneYes
Operational conditionsidentical
TcaseKnown for one72.6 °C
TjunctionKnown for one100 °C
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)Known for oneVT-x
Technical detailsidentical
Processor cacheKnown for one6144 KB
Weight & dimensionsidentical
Processor package sizeKnown for one37.5 x 37.5 mm

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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