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Product comparison · 2 laptops

Dell S15Z-2289CPO laptop Intel® Core™ i5 i5-450M vs Lenovo IdeaPad Y550P Intel® Core™ i7 i7-720QM

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  • 141specifications compared
  • 58differ
  • 83identical
  • 45known for one product only

Key differences

  • Product colour
    • Cappuccino
    • Black
  • HD type
    • Not supported
    • HD
  • Processor family
    • Intel® Core™ i5
    • Intel® Core™ i7
  • Processor generation
    • 4th gen Intel® Core™ i5
    • Intel® Core™ i7
  • Processor model
    • i5-450M
    • i7-720QM
  • Processor cores
    • 2
    • 4
  • Processor threads
    • 4
    • 8
  • Processor boost frequency
    • 2.66 GHz
    • 2.8 GHz

Side by side

Differences highlightedShow differences only
186 specifications
A

Dell

S15Z-2289CPO laptop Intel® Core™ i5 i5-450M

Model S15Z-2289CPO

View product
B

Lenovo

IdeaPad Y550P Intel® Core™ i7 i7-720QM

Model Y550P

View product
Design1 differ
Product colourDiffersCappuccinoBlack
Display1 differ
Display resolutionKnown for one1366 x 768 pixels
TouchscreenKnown for oneNo
HD typeDiffersNot supportedHD
Native aspect ratioKnown for one16:9
Display surfaceKnown for oneGloss
Display brightnessKnown for one220 cd/m²
Contrast ratio (typical)Known for one500:1
Processor19 differ
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffers4th gen Intel® Core™ i5Intel® Core™ i7
Processor modelDiffersi5-450Mi7-720QM
Processor coresDiffers24
Processor threadsDiffers48
Processor boost frequencyDiffers2.66 GHz2.8 GHz
Processor frequencyDiffers2.4 GHz1.6 GHz
System bus rateDiffers4.8 GT/s2.5 GT/s
Processor cacheDiffers3 MB6 MB
Processor lithographyDiffers32 nm45 nm
Processor seriesDiffersIntel Core i5-400 SeriesIntel Core i7-700 Mobile Series
Processor codenameDiffersArrandaleClarksfield
SteppingDiffersK0B1
Thermal Design Power (TDP)Differs35 W45 W
TjunctionDiffers105 °C100 °C
PCI Express configurationsDiffers1x161x16, 2x8
Number of Processing Die TransistorsDiffers382 M774 M
Processing Die sizeDiffers81 mm²296 mm²
CPU multiplier (bus/core ratio)Differs1812
Memoryidentical
Memory clock speedKnown for one1066 MHz
Memory layout (slots x size)Known for one2 x 2 GB
Memory slotsKnown for one2x SO-DIMM
Memory slots (available)Known for one0
Maximum internal memoryKnown for one8 GB
Storage2 differ
HDD speedDiffers7200 RPM5400 RPM
HDD sizeKnown for one2.5"
Compatible memory cardsDiffersMemory Stick (MS), MMC, MMC+, MS PRO, SD, SDHC, xDMemory Stick (MS), MMC, MS PRO, SD, xD
Graphics5 differ
On-board graphics cardDiffersYesNo
Discrete graphics cardDiffersNoYes
Discrete graphics card modelDiffersNot availableNVIDIA® GeForce® GT 240M
Graphics card familyDiffersIntelNVIDIA
On-board graphics card modelDiffersIntel® HD GraphicsNot available
Number of discrete graphics cardsKnown for one1
On-board graphics card familyKnown for oneIntel® HD Graphics
On-board graphics card base frequencyKnown for one500 MHz
On-board graphics card dynamic frequency (max)Known for one766 MHz
Audio1 differ
Audio systemDiffersSRSDolby Home Theater
Cameraidentical
Front camera resolution (numeric)Known for one1.3 MP
Optical driveidentical
LightScribeKnown for oneNo
LabelflashKnown for oneNo
Disc types supportedKnown for oneCD, CD-R, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RW
Network1 differ
Wi-Fi data rate (max)Known for one150 Mbit/s
BluetoothDiffersYesNo
Network connection typeKnown for oneRJ-45
Wireless technologyKnown for oneWi-Fi
Bluetooth versionKnown for one2.1+EDR
SIM card supportKnown for oneYes
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers32
eSATA/USB 2.0 ports quantityDiffers01
DisplayPorts quantityDiffers10
VGA (D-Sub) ports quantityDiffers01
ExpressCard slotDiffersYesNo
Headphone connectivityKnown for one3.5 mm
Microphone connectivityKnown for one3.5 mm
Performanceidentical
Motherboard chipsetKnown for oneIntel® PM55 Express
Keyboardidentical
Full-size keyboardKnown for oneYes
Windows keysKnown for oneYes
Keyboard backlitKnown for oneYes
Softwareidentical
Operating system architectureKnown for one64-bit
Processor special features14 differ
Intel Clear Video TechnologyDiffersYesNo
Intel Dual Display Capable TechnologyDiffersYesNo
Intel FDI TechnologyDiffersYesNo
Intel Fast Memory AccessDiffersYesNo
Intel Flex Memory AccessDiffersYesNo
Intel Trusted Execution TechnologyDiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersYesNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)DiffersYesNo
Intel® Smart CacheKnown for oneYes
Physical Address Extension (PAE)Differs36 bitYes
Processor ARK IDDiffers4902243122
Processor codeDiffersSLBTZSLBLY
Processor package sizeDiffersrPGA 37.5x 37.5, BGA 34x2837.5 x 37.5 mm
Supported instruction setsDiffersSSE4.1/4.2SSE4.2
Graphics & IMC lithographyKnown for one45 nm
Batteryidentical
Battery technologyKnown for oneLithium-Ion (Li-Ion)
Number of battery cellsKnown for one6
Battery life (max)Known for one3.5 h
Poweridentical
AC adapter powerKnown for one90 W
Power auto-sensingKnown for oneYes
Securityidentical
Password protection typeKnown for oneHDD, Supervisor, User
Certificatesidentical
Compliance certificatesKnown for oneRoHS
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Silver, ENERGY STAR
Weight & dimensions9 differ
WeightDiffers2.5 kg2.75 kg
WidthDiffers382 mm385 mm
DepthDiffers252 mm255 mm
Height (front)Differs1.8 cm2.6 cm
Height (rear)Differs2.53 cm3.7 cm
Width (imperial)Differs38.2 cm (15")38.6 cm (15.2")
Depth (imperial)Differs25.2 cm (9.92")25.4 cm (10")
Height (front) (imperial)Differs1.8 cm (0.71")2.59 cm (1.02")
Height (rear) (imperial)Differs2.51 cm (0.99")3.81 cm (1.5")
Other featuresidentical
Plug and PlayKnown for oneYes
Volume controlKnown for oneDigital
Wake-on-LAN readyKnown for oneYes

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