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Product comparison · 2 laptops

Dell Inspiron 11z vs Dell Studio 15

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  • 106specifications compared
  • 54differ
  • 52identical
  • 34known for one product only

Key differences

  • Display diagonal
    • 29.5 cm (11.6")
    • 39.6 cm (15.6")
  • Display resolution
    • 1366 x 768 pixels
    • 1920 x 1080 pixels
  • Processor family
    • Intel® Celeron® M
    • Intel® Core™ i7
  • Processor model
    • 743
    • i7-720QM
  • Processor cores
    • 1
    • 4
  • Processor threads
    • 1
    • 8
  • Processor frequency
    • 1.3 GHz
    • 1.6 GHz
  • Processor cache
    • 1 MB
    • 6 MB

Side by side

Differences highlightedShow differences only
140 specifications
A

Dell

Inspiron 11zView product
B

Dell

Studio 15View product
Designidentical
Product colourBlackBlack
Display2 differ
Display diagonalDiffers29.5 cm (11.6")39.6 cm (15.6")
Display resolutionDiffers1366 x 768 pixels1920 x 1080 pixels
Native aspect ratio16:916:9
Processor15 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Celeron® MIntel® Core™ i7
Processor generationKnown for oneIntel® Core™ i7
Processor modelDiffers743i7-720QM
Processor coresDiffers14
Processor threadsDiffers18
Processor boost frequencyKnown for one2.8 GHz
Processor frequencyDiffers1.3 GHz1.6 GHz
System bus rateKnown for one2.5 GT/s
Processor cacheDiffers1 MB6 MB
Processor cache typeDiffersL2Smart Cache
Processor socketDiffersBGA 956Socket 988
Processor lithography45 nm45 nm
Processor operating modesKnown for one64-bit
Processor seriesDiffersIntel Celeron M ULV 700 SeriesIntel Core i7-700 Mobile Series
Processor codenameDiffersPenrynClarksfield
Bus typeDiffersFSBDMI
FSB ParityNoNo
SteppingDiffersR0B1
Thermal Design Power (TDP)Differs10 W45 W
Tjunction100 °C100 °C
Maximum number of PCI Express lanesKnown for one16
PCI Express configurationsKnown for one1x16, 2x8
PCI Express slots versionKnown for one2.0
Number of Processing Die TransistorsDiffers410 M774 M
Processing Die sizeDiffers107 mm²296 mm²
CPU multiplier (bus/core ratio)Known for one12
ECC supported by processorNoNo
Processor front side busKnown for one800 MHz
Memory5 differ
Internal memoryDiffers2 GB4 GB
Internal memory typeDiffersDDR2-SDRAMDDR3-SDRAM
Memory clock speedDiffers800 MHz1333 MHz
Memory layout (slots x size)Differs1 x 2 GB2 x 2 GB
Maximum internal memoryDiffers4 GB8 GB
Storage4 differ
Total storage capacityDiffers250 GB500 GB
Number of HDDs installed11
HDD interfaceSATASATA
HDD speedDiffers5400 RPM7200 RPM
Optical drive typeDiffersNoDVD±RW
Card reader integratedYesYes
Compatible memory cardsDiffersSDMMC, MS PRO, SD, SDHC, SDIO, xD
Graphics1 differ
Discrete graphics cardYesYes
Discrete graphics card modelDiffersGS45AMD Mobility Radeon HD 4570
Maximum graphics card memoryKnown for one0.5 GB
Audioidentical
Audio systemKnown for oneHD
Number of built-in speakersKnown for one2
Speaker powerKnown for one2 W
Optical driveidentical
DVD-R read speedKnown for one8x
DVD-R write speedKnown for one8x
DVD-RW read speedKnown for one8x
DVD-RW write speedKnown for one8x
DVD+R read speedKnown for one8x
DVD+R write speedKnown for one8x
DVD+RW read speedKnown for one8x
DVD+RW write speedKnown for one8x
Network3 differ
Networking featuresDiffersEthernet, Fast EthernetEthernet, Fast Ethernet, Gigabit Ethernet
Wireless technologyDiffersIEEE 802.11 a/b/gIEEE 802.11 n
BluetoothDiffersNoYes
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers32
eSATA ports quantityKnown for one1
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
DVI portNoNo
VGA (D-Sub) ports quantityKnown for one1
Firewire (IEEE 1394) portsKnown for one1
Headphone outputs11
S/PDIF out portNoNo
Microphone inYesYes
Docking connectorNoNo
ExpressCard slotDiffersNoYes
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotNoNo
TV-in portNoNo
TV-outNoNo
Performance1 differ
Motherboard chipsetDiffersIntel® GS45 ExpressIntel® PM55 Express
Keyboardidentical
Pointing deviceTouchpadTouchpad
Windows keysYesYes
Keyboard layoutQWERTYQWERTY
Softwareidentical
Operating system installedWindows 7 Home PremiumWindows 7 Home Premium
Trial softwareMcAfee Security Centre 10.0McAfee Security Centre 10.0
Bundled softwareMicrosoft Works 9.0Microsoft Works 9.0
Processor special features14 differ
Intel® Wireless Display (Intel® WiDi)NoNo
CPU configuration (max)Known for one1
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyDiffersNoYes
Execute Disable BitDiffersNoYes
Idle StatesKnown for oneYes
Intel 64DiffersNoYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateDiffersNoYes
Intel FDI TechnologyNoNo
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Rapid Storage TechnologyNoNo
Intel Trusted Execution TechnologyDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)DiffersNoYes
Intel Virtualization Technology (VT-x)DiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)NoNo
Intel® Anti-Theft Technology (Intel® AT)NoNo
Intel® Clear Video HD Technology (Intel® CVT HD)NoNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® InTru™ 3D TechnologyNoNo
Intel® Insider™NoNo
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Quick Sync Video TechnologyNoNo
Intel® Smart CacheKnown for oneYes
Intel® Turbo Boost TechnologyDiffersNo1.0
Physical Address Extension (PAE)Known for oneYes
Processor ARK IDDiffers3713543122
Processor codeDiffersSLGEVSLBLY
Processor package sizeDiffers22 x 22 mm37.5 x 37.5 mm
Supported instruction setsKnown for oneSSE4.2
Thermal Monitoring TechnologiesDiffersNoYes
Conflict-Free processorNoNo
Battery1 differ
Number of battery cellsDiffers36
Power1 differ
AC adapter powerDiffers24 W56 W
DC-in jackYesYes
Weight & dimensions5 differ
WeightDiffers1.39 kg2.52 kg
WidthDiffers292 mm371.6 mm
DepthDiffers214 mm252.9 mm
Height (front)Differs2.35 cm2.53 cm
Height (rear)Differs2.58 cm3.89 cm
Weight (imperial)Known for one1.38 kg (3.05 lbs)
Packaging contentidentical
AC adapter includedYesYes
Other featuresidentical
Infrared data portNoNo
Internal modemNoNo
Supplied AC adapter typeACAC
Compliance industry standardsKnown for oneIEEE 802.11a, IEEE 802.11b, IEEE 802.11g
Cameraidentical
Front camera resolution (numeric)Known for one1.3 MP
Securityidentical
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington

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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