Product comparison · 2 laptops

Dell E7440 + 630-15804 vs Lenovo ThinkPad T550 Intel® Core™ i7 i7-5600U Laptop

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  • 152specifications compared
  • 45differ
  • 107identical
  • 55known for one product only

Key differences

  • Product colour
    • E7440 + 630-15804:Black, Silver
    • ThinkPad T550 Intel® Core™ i7 i7-5600U Laptop:Black
  • Display diagonal
    • E7440 + 630-15804:35.6 cm (14")
    • ThinkPad T550 Intel® Core™ i7 i7-5600U Laptop:39.6 cm (15.6")
  • Processor generation
    • E7440 + 630-15804:4th gen Intel® Core™ i7
    • ThinkPad T550 Intel® Core™ i7 i7-5600U Laptop:5th gen Intel® Core™ i7
  • Processor model
    • E7440 + 630-15804:i7-4600U
    • ThinkPad T550 Intel® Core™ i7 i7-5600U Laptop:i7-5600U
  • Processor boost frequency
    • E7440 + 630-15804:3.3 GHz
    • ThinkPad T550 Intel® Core™ i7 i7-5600U Laptop:3.2 GHz
  • Processor frequency
    • E7440 + 630-15804:2.1 GHz
    • ThinkPad T550 Intel® Core™ i7 i7-5600U Laptop:2.6 GHz
  • Processor cache type
    • E7440 + 630-15804:Smart Cache
    • ThinkPad T550 Intel® Core™ i7 i7-5600U Laptop:L3
  • Processor lithography
    • E7440 + 630-15804:22 nm
    • ThinkPad T550 Intel® Core™ i7 i7-5600U Laptop:14 nm

Side by side

Differences highlightedShow differences only (on)
Comparison of E7440 + 630-15804, T550
207 specifications
Design1 differ
Product colourDiffersBlack, SilverBlack
Display1 differ
Display diagonalDiffers35.6 cm (14")39.6 cm (15.6")
Processor11 differ
Processor generationDiffers4th gen Intel® Core™ i75th gen Intel® Core™ i7
Processor modelDiffersi7-4600Ui7-5600U
Processor boost frequencyDiffers3.3 GHz3.2 GHz
Processor frequencyDiffers2.1 GHz2.6 GHz
Processor cache typeDiffersSmart CacheL3
Processor lithographyDiffers22 nm14 nm
Processor operating modesDiffers64-bit32-bit, 64-bit
Processor seriesDiffersIntel Core i7-4600 Mobile seriesIntel Core i7-5600 Mobile Series
Processor codenameDiffersHaswellBroadwell
SteppingDiffersD0F0
TjunctionDiffers100 °C105 °C
Configurable TDP-downKnown for oneUnknown — not stated by the source7.5 W
Configurable TDP-down frequencyKnown for oneUnknown — not stated by the source0.6 GHz
Memory1 differ
Internal memory typeDiffersDDR3-SDRAMDDR3L-SDRAM
Maximum internal memory (64-bit)Known for one16 GBUnknown — not stated by the source
Storageidentical
SSD interfaceKnown for oneUnknown — not stated by the sourceSATA III
Compatible memory cardsKnown for oneUnknown — not stated by the sourceMMC, SD, SDHC, SDXC
Graphics6 differ
On-board graphics card modelDiffersIntel® HD Graphics 4400Intel® HD Graphics 5500
Maximum on-board graphics card memoryDiffers1.74 GB16 GB
On-board graphics card base frequencyDiffers200 MHz300 MHz
On-board graphics card dynamic frequency (max)Differs1100 MHz950 MHz
On-board graphics card DirectX versionDiffers11.2/1211.2
On-board graphics card OpenGL versionKnown for one4.3Unknown — not stated by the source
On-board graphics card IDDiffers0xA160x1616
Cameraidentical
Front camera resolutionKnown for one1280 x 720 pixelsUnknown — not stated by the source
Network2 differ
Mobile network generationDiffers3G4G
3G standardsDiffersHSPA+HSPA
2G standardsKnown for oneUnknown — not stated by the sourceEdge, GPRS, GSM
4G standardKnown for oneUnknown — not stated by the sourceLTE
Top Wi-Fi standardKnown for oneUnknown — not stated by the sourceWi-Fi 5 (802.11ac)
Bluetooth versionKnown for oneUnknown — not stated by the source4.0
Ports & interfaces3 differ
eSATA/USB 2.0 ports quantityKnown for one0Unknown — not stated by the source
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one0Unknown — not stated by the source
eSATA ports quantityKnown for one0Unknown — not stated by the source
HDMI ports quantityDiffers10
VGA (D-Sub) ports quantityDiffers01
Firewire (IEEE 1394) portsKnown for one0Unknown — not stated by the source
ExpressCard slotDiffersYesNo
Number of SATA III connectorsKnown for one4Unknown — not stated by the source
SmartCard slotKnown for oneUnknown — not stated by the sourceYes
USB Sleep-and-ChargeKnown for oneUnknown — not stated by the sourceYes
USB Sleep-and-Charge portsKnown for oneUnknown — not stated by the source1
Keyboard1 differ
Pointing deviceKnown for oneTouchpadUnknown — not stated by the source
Numeric keypadDiffersNoYes
Keyboard backlitKnown for oneUnknown — not stated by the sourceYes
Spill-resistant keyboardKnown for oneUnknown — not stated by the sourceYes
Full-size keyboardKnown for oneUnknown — not stated by the sourceYes
Softwareidentical
Drivers includedKnown for oneYesUnknown — not stated by the source
Bundled softwareKnown for oneMicrosoft Office Home & Business 2013Unknown — not stated by the source
Recovery operating systemKnown for oneUnknown — not stated by the sourceWindows 8.1 Pro
Processor special features11 differ
Intel Clear Video TechnologyDiffersNoYes
Intel Fast Memory AccessDiffersNoYes
Intel Flex Memory AccessDiffersNoYes
Intel ME Firmware VersionKnown for one9.5Unknown — not stated by the source
Intel Rapid Storage TechnologyDiffersYesNo
Intel Smart Connect TechnologyKnown for oneYesUnknown — not stated by the source
Intel Smart Connect Technology versionKnown for one1.00Unknown — not stated by the source
Intel TSX-NIDiffersNoYes
Intel TSX-NI versionDiffers0.001.00
Intel® Anti-Theft Technology (Intel® AT)DiffersYesNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)DiffersNoYes
Intel® High Definition Audio (Intel® HD Audio)Known for oneYesUnknown — not stated by the source
Processor ARK IDDiffers7661685215
Processor codeDiffersSR1EASR23V
Processor package sizeDiffers40 x 24 x 1.5 mm40 x 24 x 1.3 mm
Graphics & IMC lithographyKnown for oneUnknown — not stated by the source14 nm
Intel® OS GuardKnown for oneUnknown — not stated by the sourceYes
Battery1 differ
Battery technologyKnown for oneLithium-Ion (Li-Ion)Unknown — not stated by the source
Number of battery cellsDiffers63+3
Battery capacityKnown for one55 WhUnknown — not stated by the source
Battery life (max)Known for oneUnknown — not stated by the source14.8 h
Power1 differ
AC adapter powerDiffers65 W45 W
AC adapter frequencyKnown for one50 - 60 HzUnknown — not stated by the source
AC adapter input voltageKnown for one100 - 240 VUnknown — not stated by the source
AC adapter output currentKnown for one3.34 AUnknown — not stated by the source
AC adapter output voltageKnown for one19.5 VUnknown — not stated by the source
Securityidentical
Fingerprint readerKnown for oneUnknown — not stated by the sourceYes
Trusted Platform Module (TPM)Known for oneUnknown — not stated by the sourceYes
Password protection typeKnown for oneUnknown — not stated by the sourceHDD, Power on, Supervisor
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 60 °CUnknown — not stated by the source
Storage temperature (T-T)Known for one-51 - 71 °CUnknown — not stated by the source
Operating relative humidity (H-H)Known for one10 - 90%Unknown — not stated by the source
Storage relative humidity (H-H)Known for one5 - 95%Unknown — not stated by the source
Operating altitudeKnown for one-15.2 - 3048 mUnknown — not stated by the source
Non-operating altitudeKnown for one-15.2 - 10668 mUnknown — not stated by the source
Sustainability1 differ
Sustainability certificatesDiffersENERGY STAREPEAT Silver, ENERGY STAR
Weight & dimensions4 differ
WeightDiffers1.63 kg2.13 kg
WidthDiffers337 mm380.6 mm
DepthDiffers231.5 mm258.2 mm
HeightDiffers21 mm22.4 mm
Packaging contentidentical
ManualKnown for oneYesUnknown — not stated by the source
Power cord includedKnown for oneYesUnknown — not stated by the source
Quick start guideKnown for oneYesUnknown — not stated by the source
Warranty cardKnown for oneYesUnknown — not stated by the source
Other features1 differ
3DKnown for oneNoUnknown — not stated by the source
Intel segment taggingDiffersEnterpriseHome office, Small Business
Performanceidentical
GPS (satellite)Known for oneUnknown — not stated by the sourceYes
Certificatesidentical
Compliance certificatesKnown for oneUnknown — not stated by the sourceRoHS

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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