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Product comparison · 2 laptops

Lenovo ThinkPad Edge E420s+04W7485 Intel® Core™ i7 i7-2640M vs Lenovo T420s Win8 CH

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  • 143specifications compared
  • 27differ
  • 116identical
  • 49known for one product only

Key differences

  • Display resolution
    • 1366 x 768 pixels
    • 1600 x 900 pixels
  • HD type
    • HD
    • HD+
  • Maximum internal memory
    • 8 GB
    • 16 GB
  • Total storage capacity
    • 128 GB
    • 160 GB
  • Number of HDDs installed
    • 0
    • 1
  • SSD capacity
    • 128 GB
    • 160 GB
  • SSD interface
    • Micro SATA
    • SATA II
  • Optical drive type
    • DVD Super Multi
    • DVD±RW

Side by side

Differences highlightedShow differences only
192 specifications
A

Lenovo

ThinkPad Edge E420s+04W7485 Intel® Core™ i7 i7-2640M

Model E420s+04W7485

View product
B

Lenovo

T420s Win8 CHView product
Display2 differ
Display resolutionDiffers1366 x 768 pixels1600 x 900 pixels
HD typeDiffersHDHD+
Display surfaceKnown for oneMatt
Processoridentical
L3 cacheKnown for one4 MB
L2 cacheKnown for one0.512 MB
Memory1 differ
Maximum internal memoryDiffers8 GB16 GB
Storage5 differ
Total storage capacityDiffers128 GB160 GB
Number of HDDs installedDiffers01
Number of SSDs installedKnown for one1
SSD capacityDiffers128 GB160 GB
SSD interfaceDiffersMicro SATASATA II
Optical drive typeDiffersDVD Super MultiDVD±RW
Graphics2 differ
Discrete graphics card modelDiffersAMD Radeon HD 6630MNVIDIA® NVS™ 4200M
Discrete graphics card memoryKnown for one2 GB
Graphics card familyDiffersAMD, IntelIntel, NVIDIA
Discrete graphics memory typeKnown for oneGDDR3
Audio1 differ
Audio systemDiffersDolby Home Theater v4HD
Built-in speaker(s)Known for oneYes
Number of built-in speakersKnown for one2
Cameraidentical
Swivel webcamKnown for oneNo
Optical driveidentical
LightScribeKnown for oneNo
LabelflashKnown for oneNo
Network2 differ
Wi-Fi standardsDiffers802.11a, 802.11g, Wi-Fi 4 (802.11n)802.11a, 802.11b, 802.11g
Wi-Fi data rate (max)Known for one150 Mbit/s
BluetoothDiffersNoYes
Network connection typeKnown for oneRJ-45
Mobile network connectionKnown for oneYes
Mobile network generationKnown for one3G
Bluetooth versionKnown for one3.0+HS
Cabling technologyKnown for one10/100/1000Base-T(X)
LAN controllerKnown for oneIntel® 82579LM
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers32
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers01
HDMI ports quantityDiffers10
HDMI versionKnown for one1.4
DisplayPorts quantityDiffers01
Headphone connectivityKnown for one3.5 mm
Microphone connectivityKnown for one3.5 mm
Docking connectorKnown for oneYes
Modem (RJ-11) portsKnown for one0
Keyboardidentical
Spill-resistant keyboardKnown for oneYes
Full-size keyboardKnown for oneYes
Windows keysKnown for oneYes
Keyboard layoutKnown for oneQWERTZ
Keyboard languageKnown for oneGerman
Software1 differ
Operating system installedDiffersWindows 7 ProfessionalWindows 8 Pro
Battery3 differ
Battery technologyKnown for oneLithium-Ion (Li-Ion)
Number of battery cellsDiffers46
Battery capacityDiffers48.8 Wh44 Wh
Battery life (max)Differs7.33 h4.7 h
Poweridentical
Power auto-sensingKnown for oneYes
AC adapter powerKnown for one90 W
Security1 differ
Cable lock slotDiffersNoYes
Cable lock slot typeKnown for oneKensington
Trusted Platform Module (TPM)Known for oneYes
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Gold, ENERGY STAR
Weight & dimensions5 differ
WeightDiffers1.88 kg1.75 kg
WidthDiffers349 mm343 mm
DepthDiffers23 mm231 mm
Height (front)Differs2.31 cm2.2 cm
Height (rear)Differs3.12 cm2.6 cm
Width (imperial)Known for one34.8 cm (13.7")
Depth (imperial)Known for one23.6 cm (9.3")
Height (front) (imperial)Known for one2.29 cm (0.9")
Height (rear) (imperial)Known for one3.05 cm (1.2")
Videoidentical
HD-ReadyKnown for oneYes
Packaging contentidentical
Cables includedKnown for oneAC
ManualKnown for oneYes
Quick start guideKnown for oneYes
Other featuresidentical
3DKnown for oneNo
Plug and PlayKnown for oneYes
Power supply typeKnown for oneAC/DC
Volume controlKnown for oneDigital
Wake-on-LAN readyKnown for oneYes
Supplied AC adapter typeKnown for oneAC
Internal modemKnown 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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