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Product comparison · 2 laptops

Lenovo Essential G770 vs Lenovo T420 Win 7 US

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  • 130specifications compared
  • 38differ
  • 92identical
  • 34known for one product only

Key differences

  • Display diagonal
    • 43.9 cm (17.3")
    • 35.6 cm (14")
  • Processor family
    • Intel® Core™ i5
    • Intel® Core™ i7
  • Processor generation
    • 2nd gen Intel® Core™ i5
    • 2nd gen Intel® Core™ i7
  • Processor model
    • i5-2410M
    • i7-2620M
  • Processor boost frequency
    • 2.9 GHz
    • 3.4 GHz
  • Processor frequency
    • 2.3 GHz
    • 2.7 GHz
  • Processor cache
    • 3 MB
    • 4 MB
  • PCI Express configurations
    • 1x8, 1x16, 2x4, 2x8
    • 1x16, 2x8, 1x8+2x4

Side by side

Differences highlightedShow differences only
164 specifications
A

Lenovo

Essential G770View product
B

Lenovo

T420 Win 7 USView product
Designidentical
Product typeKnown for oneLaptop
Form factorKnown for oneClamshell
Display1 differ
Display diagonalDiffers43.9 cm (17.3")35.6 cm (14")
TouchscreenKnown for oneNo
Display surfaceKnown for oneMatt
Processor9 differ
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffers2nd gen Intel® Core™ i52nd gen Intel® Core™ i7
Processor modelDiffersi5-2410Mi7-2620M
Processor boost frequencyDiffers2.9 GHz3.4 GHz
Processor frequencyDiffers2.3 GHz2.7 GHz
Processor cacheDiffers3 MB4 MB
Processor seriesDiffersIntel Core i5-2400 Mobile SeriesIntel Core i7-2600 Mobile Series
PCI Express configurationsDiffers1x8, 1x16, 2x4, 2x81x16, 2x8, 1x8+2x4
CPU multiplier (bus/core ratio)Differs2327
Memory1 differ
Maximum internal memoryDiffers8 GB16 GB
Storage4 differ
Total storage capacityDiffers750 GB500 GB
Storage mediaKnown for oneHDD
Number of HDDs installedKnown for one1
HDD capacityDiffers750 GB500 GB
HDD speedDiffers5400 RPM7200 RPM
Optical drive typeDiffersDVD Super Multi DLDVD-RW
Compatible memory cardsKnown for oneMemory Stick (MS), MMC, MS PRO, SD, xD
HDD interfaceKnown for oneSATA
Graphics3 differ
Discrete graphics card modelDiffersAMD Radeon HD 6650MNVIDIA® NVS™ 4200M
Graphics card familyDiffersAMDNVIDIA
On-board graphics card dynamic frequency (max)Differs1200 MHz1300 MHz
Number of discrete graphics cards installedKnown for one1
Audioidentical
Audio systemKnown for oneHD
Number of built-in speakersKnown for one2
Speaker powerKnown for one1.5 W
Built-in microphoneKnown for oneYes
Cameraidentical
Front cameraKnown for oneYes
Network3 differ
Networking featuresDiffersFast EthernetGigabit Ethernet
Wireless technologyKnown for oneWi-Fi
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, 802.11b, 802.11g
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Cabling technologyDiffers10/100Base-T(X)10/100/1000Base-T(X)
Ports & interfaces4 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers10
eSATA ports quantityDiffers01
HDMI ports quantityDiffers10
DisplayPorts quantityDiffers01
Combo headphone/mic portKnown for oneNo
ExpressCard slotKnown for oneYes
Modem (RJ-11) portsKnown for one1
Keyboardidentical
Full-size keyboardKnown for oneYes
Windows keysKnown for oneYes
Software1 differ
Operating system installedDiffersWindows 7 Home PremiumWindows 7 Professional
Compatible operating systemsKnown for oneWindows 7
Processor special features6 differ
Intel Trusted Execution TechnologyDiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Insider™DiffersNoYes
Intel® Small Business Advantage (Intel® SBA)Known for oneNo
Intel® Smart CacheKnown for oneYes
Intel® Smart Response TechnologyKnown for oneNo
Processor ARK IDDiffers5222452231
Processor package sizeDiffers37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
CPU configuration (max)Known for one1
Processor codeKnown for oneSR041
Security1 differ
Fingerprint readerDiffersNoYes
Weight & dimensions5 differ
WeightDiffers3 kg2.35 kg
WidthDiffers416 mm341 mm
DepthDiffers272 mm258 mm
Height (front)Differs3.61 cm3 cm
Height (rear)Differs4.49 cm3.1 cm
Packaging contentidentical
AC adapter includedKnown for oneYes
Cables includedKnown for oneAC
Other featuresidentical
3DKnown for oneNo
Compliance industry standardsKnown for oneIEEE 802.3, IEEE 802.3u
Intel segment taggingKnown for oneHome office, Small Business
Performanceidentical
Motherboard chipsetKnown for oneIntel® QM67 Express
Batteryidentical
Number of battery cellsKnown for one9

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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