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Product comparison · 2 laptops

Lenovo T440p + LT1421p vs Lenovo IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop

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  • 140specifications compared
  • 48differ
  • 92identical
  • 58known for one product only

Key differences

  • Display diagonal
    • 35.6 cm (14")
    • 39.6 cm (15.6")
  • Display resolution
    • 1600 x 900 pixels
    • 1366 x 768 pixels
  • Processor model
    • i5-4200M
    • i5-4200U
  • Processor boost frequency
    • 3.1 GHz
    • 2.6 GHz
  • Processor frequency
    • 2.5 GHz
    • 1.6 GHz
  • Processor socket
    • PGA946
    • BGA 1168
  • Bus type
    • DMI
    • DMI2
  • Thermal Design Power (TDP)
    • 37 W
    • 15 W

Side by side

Differences highlightedShow differences only
198 specifications
A

Lenovo

T440p + LT1421pView product
B

Lenovo

IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop

Model Z50

View product
Designidentical
Housing materialKnown for oneCarbon fibre, Glass fibre, Plastic
Market positioningKnown for oneBusiness
Display2 differ
Display diagonalDiffers35.6 cm (14")39.6 cm (15.6")
Display resolutionDiffers1600 x 900 pixels1366 x 768 pixels
HD typeKnown for oneHD+
Display brightnessKnown for one250 cd/m²
Display surfaceKnown for oneGloss
Processor9 differ
Processor modelDiffersi5-4200Mi5-4200U
Processor boost frequencyDiffers3.1 GHz2.6 GHz
Processor frequencyDiffers2.5 GHz1.6 GHz
System bus rateKnown for one5 GT/s
Processor socketDiffersPGA946BGA 1168
Bus typeDiffersDMIDMI2
Thermal Design Power (TDP)Differs37 W15 W
Maximum number of PCI Express lanesDiffers1612
PCI Express configurationsDiffers1x16, 2x8, 1x8+2x41x4, 2x4
PCI Express slots versionDiffers3.02.0
Memory2 differ
Memory layout (slots x size)Differs1 x 8 GB2 x 4 GB
Maximum internal memoryDiffers16 GB8 GB
Maximum internal memory (64-bit)Known for one16 GB
Storage6 differ
Total storage capacityDiffers500 GB1 TB
HDD capacityDiffers500 GB1 TB
HDD interfaceDiffersSATA IIISATA
HDD speedDiffers7200 RPM5400 RPM
Optical drive typeDiffersDVD±RWDVD Super Multi DL
Compatible memory cardsDiffersMMC, SD, SDHC, SDXCMMC, SD
Graphics6 differ
Discrete graphics card modelDiffersNVIDIA® GeForce® GT 730MNVIDIA® GeForce® GT 840M
On-board graphics card modelDiffersIntel® HD Graphics 4600Intel® HD Graphics 4400
On-board graphics card base frequencyDiffers400 MHz200 MHz
On-board graphics card dynamic frequency (max)Differs1150 MHz1000 MHz
On-board graphics card DirectX versionDiffers11.112
On-board graphics card IDDiffers0x4160xA16
Number of discrete graphics cards installedKnown for one1
Number of discrete graphics cards supportedKnown for one1
Maximum resolutionKnown for one3840 x 2160 pixels
Graphics card Open GL supportKnown for oneYes
Discrete graphics card memoryKnown for one2 GB
Audio2 differ
Audio systemDiffersDolby Advanced Audio v2Dolby Home Theater
Speaker powerDiffers1 W1.5 W
Network1 differ
Mobile network connectionKnown for oneYes
Mobile network generationKnown for one4G
2G standardsKnown for oneEdge, GPRS, GSM
3G standardsKnown for oneHSPA
4G standardKnown for oneLTE
Top Wi-Fi standardKnown for oneWi-Fi 5 (802.11ac)
Wi-Fi standardsDiffers802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11b, 802.11g, Wi-Fi 4 (802.11n)
WWANKnown for oneInstalled
4G WiMAXKnown for oneNo
Ports & interfaces4 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers21
HDMI ports quantityDiffers01
Mini DisplayPorts quantityKnown for one1
Docking connectorDiffersYesNo
SmartCard slotDiffersYesNo
USB Sleep-and-ChargeKnown for oneYes
USB Sleep-and-Charge portsKnown for one1
eSATA/USB 2.0 ports quantityKnown for one0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one0
eSATA ports quantityKnown for one0
Firewire (IEEE 1394) portsKnown for one0
Headphone outputsKnown for one0
Microphone inKnown for oneNo
Total number of SATA connectorsKnown for one4
Number of SATA III connectorsKnown for one4
Performance1 differ
Motherboard chipsetDiffersIntel® QM87Intel HM76 Express
GPS (satellite)Known for oneYes
Keyboard1 differ
Pointing deviceKnown for oneThinkPad UltraNav
Keyboard backlitKnown for oneYes
Numeric keypadDiffersNoYes
Island-style keyboardKnown for oneYes
Spill-resistant keyboardKnown for oneYes
Software1 differ
Operating system installedDiffersWindows 7 ProfessionalWindows 8.1
Processor special features7 differ
Intel Enhanced Halt StateDiffersNoYes
Intel Rapid Storage TechnologyDiffersNoYes
Intel® My WiFi Technology (Intel® MWT)DiffersNoYes
Intel® Smart CacheKnown for oneYes
Intel® Virtualization Technology (Intel® VT)Known for oneVT-x
Processor ARK IDDiffers7634875459
Processor codeDiffersSR1HASR170
Processor package sizeDiffers37.5 x 37.5 x 4.7 mm40 x 24 x 1.5 mm
Supported instruction setsDiffersAVX 2.0, SSE4.1, SSE4.2AVX 2.0
Intel ME Firmware VersionKnown for one9.5
Intel Smart Connect TechnologyKnown for oneYes
Intel Smart Connect Technology versionKnown for one1.00
Intel® High Definition Audio (Intel® HD Audio)Known for oneYes
Intel® Matrix Storage Technology (Intel® MST)Known for oneNo
Battery2 differ
Number of battery cellsDiffers64
Battery capacityKnown for one56 Wh
Battery life (max)Differs7.2 h5 h
Poweridentical
AC adapter powerKnown for one90 W
Security1 differ
Cable lock slotDiffersYesNo
Fingerprint readerKnown for oneYes
Trusted Platform Module (TPM)Known for oneYes
Password protectionKnown for oneYes
Password protection typeKnown for oneHDD, Power on, Supervisor
Certificatesidentical
Compliance certificatesKnown for oneRoHS
CertificationKnown for oneGREENGUARD
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Gold, ENERGY STAR
Weight & dimensions3 differ
WeightDiffers2.16 kg2.5 kg
WidthDiffers335 mm375 mm
DepthDiffers229.1 mm263 mm
Height (front)Known for one2.79 cm
Height (rear)Known for one3 cm
HeightKnown for one25.4 mm
Packaging contentidentical
Power cord includedKnown for oneYes
Other featuresidentical
Intel segment taggingKnown for oneHome office, Small Business
Optical driveidentical
LightScribeKnown for oneNo

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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