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Product comparison · 2 laptops

Dell I15R-1974MRB laptop Intel® Core™ i5 i5-450M vs Lenovo IdeaPad U450p Intel® Pentium® SU4100

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  • 129specifications compared
  • 59differ
  • 70identical
  • 59known for one product only

Key differences

  • Display diagonal
    • 39.6 cm (15.6")
    • 35.6 cm (14")
  • HD type
    • Not supported
    • HD
  • Processor family
    • Intel® Core™ i5
    • Intel® Pentium®
  • Processor model
    • i5-450M
    • SU4100
  • Processor threads
    • 4
    • 2
  • Processor frequency
    • 2.4 GHz
    • 1.3 GHz
  • Processor cache
    • 3 MB
    • 2 MB
  • Processor cache type
    • Smart Cache
    • L2

Side by side

Differences highlightedShow differences only
188 specifications
A

Dell

I15R-1974MRB laptop Intel® Core™ i5 i5-450M

Model I15R-1974MRB

View product
B

Lenovo

IdeaPad U450p Intel® Pentium® SU4100

Model U450p

View product
Display2 differ
Display diagonalDiffers39.6 cm (15.6")35.6 cm (14")
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
Processor14 differ
Processor familyDiffersIntel® Core™ i5Intel® Pentium®
Processor modelDiffersi5-450MSU4100
Processor threadsDiffers42
Processor frequencyDiffers2.4 GHz1.3 GHz
Processor cacheDiffers3 MB2 MB
Processor cache typeDiffersSmart CacheL2
Processor front side busKnown for one800 MHz
Processor socketDiffersSocket 988BGA 956
Processor lithographyDiffers32 nm45 nm
Processor codenameDiffersArrandalePenryn
Bus typeDiffersDMIFSB
SteppingDiffersK0R0
Motherboard southbridgeKnown for oneIntel ICH9M
Thermal Design Power (TDP)Differs35 W10 W
TcaseKnown for one100 °C
Number of Processing Die TransistorsDiffers382 M410 M
Processing Die sizeDiffers81 mm²107 mm²
Processor generationKnown for one4th gen Intel® Core™ i5
Processor boost frequencyKnown for one2.66 GHz
System bus rateKnown for one4.8 GT/s
Processor seriesKnown for oneIntel Core i5-400 Series
TjunctionKnown for one105 °C
Maximum number of PCI Express lanesKnown for one16
PCI Express configurationsKnown for one1x16
PCI Express slots versionKnown for one2.0
CPU multiplier (bus/core ratio)Known for one18
Memory1 differ
Internal memoryDiffers4 GB3 GB
Memory clock speedKnown for one1066 MHz
Memory layout (slots x size)Known for one1 x 1 + 1 x 2 GB
Memory slotsKnown for one2x SO-DIMM
Memory slots (available)Known for one0
Maximum internal memoryKnown for one8 GB
Storage3 differ
Total storage capacityDiffers320 GB250 GB
HDD capacityDiffers320 GB250 GB
HDD sizeKnown for one2.5"
Compatible memory cardsDiffersMemory Stick (MS), MMC, MMC+, MS PRO, SD, SDHC, SDXC, xDMemory Stick (MS), MMC, MS PRO, SD
Graphics2 differ
Discrete graphics cardKnown for oneNo
Discrete graphics card modelKnown for oneNot available
On-board graphics card familyDiffersIntel® HD GraphicsIntel® GMA
On-board graphics card modelDiffersIntel® HD GraphicsIntel® GMA 4500MHD
On-board graphics card base frequencyKnown for one500 MHz
On-board graphics card dynamic frequency (max)Known for one766 MHz
Audio2 differ
Audio systemDiffersSRSDolby Home Sound Room
Speaker powerDiffers2 W1.5 W
Cameraidentical
Front camera resolution (numeric)Known for one1.3 MP
Front camera resolutionKnown for one1280 x 720 pixels
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
Network4 differ
Networking featuresDiffersFast EthernetGigabit Ethernet
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11b, 802.11g
Wi-Fi data rate (max)Known for one54 Mbit/s
Ethernet LAN data ratesDiffers10,100 Mbit/s10,100,1000 Mbit/s
Cabling technologyDiffers10/100Base-T(X)10/100/1000Base-T(X)
LAN controllerKnown for oneRealtek RTL8111D(L)
Network connection typeKnown for oneRJ-45
Wireless technologyKnown for oneWi-Fi
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers13
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers20
eSATA/USB 2.0 ports quantityDiffers10
Headphone connectivityKnown for one3.5 mm
Microphone connectivityKnown for one3.5 mm
HDMI versionKnown for one1.4
Performance1 differ
Motherboard chipsetDiffersIntel HM67 ExpressIntel® GS45 Express
Keyboard1 differ
Numeric keypadDiffersYesNo
Full-size keyboardKnown for oneYes
Windows keysKnown for oneYes
Softwareidentical
Operating system architectureKnown for one32-bit
Processor special features16 differ
Intel Clear Video TechnologyDiffersYesNo
Intel Dual Display Capable TechnologyDiffersYesNo
Intel Enhanced Halt StateDiffersYesNo
Intel FDI TechnologyDiffersYesNo
Intel Fast Memory AccessDiffersYesNo
Intel Flex Memory AccessDiffersYesNo
Intel VT-x with Extended Page Tables (EPT)DiffersYesNo
Intel Virtualization Technology (VT-x)DiffersYesNo
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersYesNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)DiffersYesNo
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersYesNo
Intel® Turbo Boost TechnologyDiffers1.0No
Processor ARK IDDiffers4902243568
Processor codeDiffersSLBTZSLGS4
Processor package sizeDiffersrPGA 37.5x 37.5, BGA 34x2822 x22 mm
Thermal Monitoring TechnologiesDiffersYesNo
CPU configuration (max)Known for one1
Graphics & IMC lithographyKnown for one45 nm
Idle StatesKnown for oneYes
Physical Address Extension (PAE)Known for one36 bit
Supported instruction setsKnown for oneSSE4.1/4.2
Batteryidentical
Number of battery cellsKnown for one6
Battery life (max)Known for one6 h
Poweridentical
AC adapter powerKnown for one65 W
Power auto-sensingKnown for oneYes
Securityidentical
Password protection typeKnown for oneHDD, Power on, Supervisor
Certificatesidentical
Compliance certificatesKnown for oneRoHS
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Silver, ENERGY STAR
Weight & dimensions9 differ
WeightDiffers2.65 kg2.1 kg
WidthDiffers376 mm338.5 mm
DepthDiffers260.2 mm235.5 mm
Height (front)Differs3.14 cm2.3 cm
Height (rear)Differs3.52 cm2.89 cm
Width (imperial)Differs37.6 cm (14.8")33.8 cm (13.3")
Depth (imperial)Differs25.9 cm (10.2")23.6 cm (9.3")
Height (front) (imperial)Differs3.15 cm (1.24")2.29 cm (0.9")
Height (rear) (imperial)Differs3.53 cm (1.39")2.79 cm (1.1")
Other features1 differ
3DKnown for oneNo
Compliance industry standardsDiffersIEEE 802.3, IEEE 802.3uIEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Plug and PlayKnown for oneYes
Volume controlKnown for oneDigital
Wake-on-LAN readyKnown for oneYes

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