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Product comparison · 2 laptops

Lenovo Essential G770 vs Lenovo T520 Kit

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  • 134specifications compared
  • 39differ
  • 95identical
  • 36known for one product only

Key differences

  • Display diagonal
    • 43.9 cm (17.3")
    • 39.6 cm (15.6")
  • 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
170 specifications
A

Lenovo

Essential G770View product
B

Lenovo

T520 KitView product
Designidentical
Product typeKnown for oneLaptop
Display1 differ
Display diagonalDiffers43.9 cm (17.3")39.6 cm (15.6")
TouchscreenKnown for oneNo
Display brightnessKnown for one220 cd/m²
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
Memoryidentical
Memory slots (available)Known for one1
Storage4 differ
Total storage capacityDiffers750 GB500 GB
HDD capacityDiffers750 GB500 GB
HDD speedDiffers5400 RPM7200 RPM
Compatible memory cardsDiffersMemory Stick (MS), MMC, MS PRO, SD, xDMMC, SD, SDHC, SDXC
HDD interfaceKnown for oneSATA
Graphics3 differ
Discrete graphics card modelDiffersAMD Radeon HD 6650MNVIDIA® NVS™ 4200M
Graphics card familyDiffersAMDIntel, NVIDIA
On-board graphics card dynamic frequency (max)Differs1200 MHz1300 MHz
Number of discrete graphics cards installedKnown for one1
Number of discrete graphics cardsKnown for one1
Audioidentical
Speaker powerKnown for one1.5 W
Cameraidentical
Front cameraKnown for oneYes
Network3 differ
Networking featuresDiffersFast EthernetGigabit Ethernet
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, 802.11g, Wi-Fi 4 (802.11n)
BluetoothDiffersYesNo
Cabling technologyKnown for one10/100Base-T(X)
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers32
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers10
eSATA/USB 2.0 ports quantityDiffers01
HDMI ports quantityDiffers10
DisplayPorts quantityDiffers01
Firewire (IEEE 1394) portsKnown for one0
Combo headphone/mic portKnown for oneNo
Docking connectorKnown for oneNo
ExpressCard slotKnown for oneYes
Keyboard1 differ
Pointing deviceDiffersTouchpadThinkPad UltraNav
Full-size keyboardKnown for oneYes
Numeric keypadKnown for oneNo
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
Cable lock slot typeKnown for oneKensington
Fingerprint readerDiffersNoYes
Password protection typeKnown for oneHDD, Power on, Supervisor
Weight & dimensions5 differ
WeightDiffers3 kg2.52 kg
WidthDiffers416 mm373 mm
DepthDiffers272 mm245 mm
Height (front)Differs3.61 cm3.18 cm
Height (rear)Differs4.49 cm3.56 cm
Packaging contentidentical
Cables includedKnown for oneAC
Other featuresidentical
Infrared data portKnown for oneNo
3DKnown for oneNo
Compliance industry standardsKnown for oneIEEE 802.3, IEEE 802.3u
Power supply typeKnown for oneAC/DC
TV tuner integratedKnown for oneNo
Intel segment taggingKnown for oneHome office, Small Business
Performanceidentical
Motherboard chipsetKnown for oneIntel QM65
Batteryidentical
Battery technologyKnown for oneLithium-Ion (Li-Ion)
Number of battery cellsKnown for one9
Battery life (max)Known for one12.8 h
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Gold, ENERGY STAR

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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