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Product comparison · 2 laptops

Dell 15 3549 vs Lenovo ThinkPad E450

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  • 155specifications compared
  • 53differ
  • 102identical
  • 46known for one product only

Key differences

  • Product colour
    • Black
    • Black, Graphite
  • Display diagonal
    • 39.6 cm (15.6")
    • 35.6 cm (14")
  • Processor family
    • Intel® Celeron®
    • Intel® Core™ i7
  • Processor model
    • 3205U
    • i7-5500U
  • Processor threads
    • 2
    • 4
  • Processor frequency
    • 1.5 GHz
    • 2.4 GHz
  • Processor cache
    • 2 MB
    • 4 MB
  • Stepping
    • E0
    • F0

Side by side

Differences highlightedShow differences only
201 specifications
A

Dell

15 3549View product
B

Lenovo

ThinkPad E450View product
Design1 differ
Product colourDiffersBlackBlack, Graphite
Housing materialKnown for onePlastic
Market positioningKnown for oneBusiness
Display1 differ
Display diagonalDiffers39.6 cm (15.6")35.6 cm (14")
HD typeKnown for oneHD
Display surfaceKnown for oneMatt
Pixel pitchKnown for one0.252 x 0.252 mm
Processor9 differ
Processor familyDiffersIntel® Celeron®Intel® Core™ i7
Processor modelDiffers3205Ui7-5500U
Processor threadsDiffers24
Processor frequencyDiffers1.5 GHz2.4 GHz
Processor cacheDiffers2 MB4 MB
Processor seriesDiffersIntel Celeron Processor 3000 series for MobileIntel Core i7-5500 Mobile Series
SteppingDiffersE0F0
Configurable TDP-downDiffers10 W7.5 W
PCI Express configurationsDiffers2x4, 4x14x1, 2x4
Processor generationKnown for one5th gen Intel® Core™ i7
Processor boost frequencyKnown for one3 GHz
Memory3 differ
Memory slotsDiffers1x SO-DIMM2x SO-DIMM
Maximum internal memoryDiffers8 GB16 GB
Maximum internal memory (64-bit)Differs8 GB16 GB
Storage4 differ
HDD interfaceDiffersSATASATA III
HDD speedDiffers5400 RPM7200 RPM
HDD sizeKnown for one2.5"
Optical drive typeDiffersDVD Super MultiNo
Compatible memory cardsDiffersSDMMC, SD, SDHC, SDXC
Graphics7 differ
Discrete graphics cardDiffersNoYes
Discrete graphics card modelDiffersNot availableAMD Radeon R7 M260
On-board graphics card modelDiffersIntel® HD GraphicsIntel® HD Graphics 5500
On-board graphics card base frequencyDiffers100 MHz300 MHz
On-board graphics card dynamic frequency (max)Differs800 MHz950 MHz
On-board graphics card DirectX versionDiffers11.2/1211.2
Number of discrete graphics cards installedDiffers01
Discrete graphics card memoryKnown for one2 GB
Discrete graphics memory typeKnown for oneGDDR3
Maximum on-board graphics card memoryKnown for one16 GB
On-board graphics card IDKnown for one0x1616
Maximum resolutionKnown for one1920 x 1080 pixels
Graphics card Open GL supportKnown for oneYes
Audio1 differ
Audio systemDiffersWave MaxxAudioDolby Advanced Audio v4
Cameraidentical
Front camera resolution (numeric)Known for one1 MP
Front camera resolutionKnown for one1280 x 720 pixels
Video capturing speedKnown for one30 fps
Network1 differ
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers21
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers12
HDMI ports quantityDiffers01
VGA (D-Sub) ports quantityDiffers10
Headphone outputsKnown for one0
Microphone inKnown for oneNo
Docking connectorDiffersNoYes
USB Sleep-and-ChargeKnown for oneYes
USB Sleep-and-Charge portsKnown for one1
Keyboard2 differ
Pointing deviceDiffersTouchpadThinkPad UltraNav
Numeric keypadDiffersYesNo
Full-size keyboardKnown for oneYes
Island-style keyboardKnown for oneYes
Spill-resistant keyboardKnown for oneYes
Software1 differ
Operating system installedDiffersWindows 8.1Windows 7 Professional
Drivers includedKnown for oneYes
Processor special features12 differ
Intel Small Business Advantage (SBA) versionDiffers0.001.00
Intel Smart Response Technology versionDiffers0.001.00
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersNoYes
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® OS GuardDiffersNoYes
Intel® Small Business Advantage (Intel® SBA)DiffersNoYes
Intel® Smart Response TechnologyDiffersNoYes
Intel® Turbo Boost TechnologyDiffersNo2.0
Processor ARK IDDiffers8480985214
Processor codeDiffersSR215SR23W
Supported instruction setsDiffersSSE4.1, SSE4.2AVX 2.0, SSE4.1, SSE4.2
Intel® Smart CacheKnown for oneYes
Battery1 differ
Number of battery cellsDiffers46
Battery capacityKnown for one40 Wh
Battery voltageKnown for one14.8 V
Battery life (max)Known for one9 h
Poweridentical
AC adapter frequencyKnown for one50 - 60 Hz
AC adapter input voltageKnown for one100 - 240 V
AC adapter output voltageKnown for one19.5 V
Securityidentical
Cable lock slot typeKnown for oneKensington
Fingerprint readerKnown for oneYes
Password protection typeKnown for oneHDD, Power on, Supervisor
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Storage temperature (T-T)Known for one-40 - 65 °C
Operating relative humidity (H-H)Known for one10 - 90%
Storage relative humidity (H-H)Known for one0 - 95%
Operating altitudeKnown for one-15.2 - 3048 m
Non-operating altitudeKnown for one-15.2 - 10668 m
Sustainability1 differ
Sustainability certificatesDiffersEPEAT Silver, ENERGY STAREPEAT Gold, ENERGY STAR
Weight & dimensions4 differ
WeightDiffers2.38 kg1.81 kg
WidthDiffers381.4 mm339 mm
DepthDiffers267.5 mm239 mm
HeightDiffers25.6 mm24 mm
Packaging contentidentical
ManualKnown for oneYes
Warranty cardKnown for oneYes
Other featuresidentical
3DKnown for oneNo
Optical driveidentical
LightScribeKnown for oneNo
Certificatesidentical
Compliance certificatesKnown for oneRoHS

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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