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Product comparison · 2 laptops

Acer Aspire 771G-7361161.12TBDCakk Intel® Core™ i7 i7-3610QM Laptop 43.9 cm (17.3") HD+ 16 GB DDR3-SDRAM 1.12 TB HDD+SSD NVIDIA® GeForce® GT 640M Windows 7 Home vs Lenovo T520 + 55Y3711

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  • 123specifications compared
  • 49differ
  • 74identical
  • 64known for one product only

Key differences

  • Display diagonal
    • 43.9 cm (17.3")
    • 39.6 cm (15.6")
  • Processor family
    • Intel® Core™ i7
    • Intel® Core™ i5
  • Processor generation
    • 3rd gen Intel® Core™ i7
    • 2nd gen Intel® Core™ i5
  • Processor model
    • i7-3610QM
    • i5-2450M
  • Processor cores
    • 4
    • 2
  • Processor threads
    • 8
    • 4
  • Processor boost frequency
    • 3.3 GHz
    • 3.1 GHz
  • Processor frequency
    • 2.3 GHz
    • 2.5 GHz

Side by side

Differences highlightedShow differences only
187 specifications
A

Acer

Aspire 771G-7361161.12TBDCakk Intel® Core™ i7 i7-3610QM Laptop 43.9 cm (17.3") HD+ 16 GB DDR3-SDRAM 1.12 TB HDD+SSD NVIDIA® GeForce® GT 640M Windows 7 Home

Model 771G-7361161.12TBDCakk

View product
B

Lenovo

T520 + 55Y3711View product
Designidentical
Product typeKnown for oneLaptop
Product colourKnown for oneBlack
Form factorKnown for oneClamshell
Display1 differ
Display diagonalDiffers43.9 cm (17.3")39.6 cm (15.6")
TouchscreenKnown for oneNo
Display number of coloursKnown for one16.78 million colours
Display brightnessKnown for one220 cd/m²
Contrast ratio (typical)Known for one500:1
Processor16 differ
Processor familyDiffersIntel® Core™ i7Intel® Core™ i5
Processor generationDiffers3rd gen Intel® Core™ i72nd gen Intel® Core™ i5
Processor modelDiffersi7-3610QMi5-2450M
Processor coresDiffers42
Processor threadsDiffers84
Processor boost frequencyDiffers3.3 GHz3.1 GHz
Processor frequencyDiffers2.3 GHz2.5 GHz
Processor cacheDiffers6 MB3 MB
Processor socketKnown for oneSocket G2
Processor lithographyDiffers22 nm32 nm
Processor seriesDiffersIntel Core i7-3600 Mobile seriesIntel Core i5-2400 Mobile Series
Processor codenameDiffersIvy BridgeSandy Bridge
Thermal Design Power (TDP)Differs45 W35 W
TjunctionDiffers105 C100 °C
PCI Express configurationsDiffers1x16, 2x81x16, 2x8, 1x8+2x4
PCI Express slots versionDiffers3.02.0
CPU multiplier (bus/core ratio)Differs2325
SteppingKnown for oneJ1
Memory1 differ
Internal memoryDiffers16 GB4 GB
Memory clock speedKnown for one1333 MHz
Storage6 differ
Total storage capacityDiffers1.12 TB500 GB
Storage mediaDiffersHDD+SSDHDD
HDD capacityDiffers1 TB500 GB
HDD speedDiffers5400 RPM7200 RPM
Number of SSDs installedKnown for one1
SSD capacityKnown for one120 GB
SSD interfaceKnown for oneSATA
Optical drive typeDiffersBlu-Ray DVD ComboDVD±RW
Compatible memory cardsDiffersMemory Stick (MS), MMC, SDMMC, SD, SDHC, SDXC
Graphics4 differ
Discrete graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneNVIDIA® GeForce® GT 640M
Discrete graphics card memoryKnown for one2 GB
Graphics card familyDiffersNVIDIAIntel, NVIDIA
Discrete graphics memory typeKnown for oneGDDR3
On-board graphics card modelDiffersIntel® HD Graphics 4000Intel® HD Graphics 3000
On-board graphics card dynamic frequency (max)Differs1100 MHz1300 MHz
On-board graphics card IDDiffers0x1660x116
Number of discrete graphics cards installedKnown for one1
Audio1 differ
Audio systemDiffersHDHigh Definition Audio
Number of built-in speakersKnown for one2
Speaker powerKnown for one1 W
Cameraidentical
Front cameraKnown for oneYes
Optical driveidentical
LightScribeKnown for oneNo
Optical drive interfaceKnown for oneSATA
Network2 differ
Wi-Fi standardsDiffers802.11a, 802.11g, Wi-Fi 4 (802.11n)802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth versionDiffers4.03.0+HS
Mobile network connectionKnown for oneYes
Mobile network generationKnown for one3G
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers23
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one2
HDMI ports quantityKnown for one1
Firewire (IEEE 1394) portsDiffers01
Thunderbolt ports quantityKnown for one0
Combo headphone/mic portKnown for oneNo
Docking connectorDiffersNoYes
ExpressCard slotDiffersNoYes
eSATA/USB 2.0 ports quantityKnown for one1
DisplayPorts quantityKnown for one1
CardBus PCMCIA slots quantityKnown for one0
Performance1 differ
Motherboard chipsetDiffersIntel HM77 ExpressIntel® QM67 Express
Keyboard2 differ
Pointing deviceDiffersTouchpadThinkPad UltraNav
Numeric keypadDiffersYesNo
Full-size keyboardKnown for oneYes
Windows keysKnown for oneYes
Keyboard layoutKnown for oneQWERTY
Software1 differ
Operating system installedDiffersWindows 7 Home PremiumWindows 7 Professional
Bundled softwareKnown for oneMicrosoft Office Starter
Processor special features4 differ
Graphics & IMC lithographyDiffers22 nm32 nm
Intel Secure Key Technology versionKnown for one1.00
Intel® Secure KeyKnown for oneYes
Intel® Small Business Advantage (Intel® SBA)Known for oneNo
Processor ARK IDDiffers6489953452
Processor package sizeDiffers37.5 x 37.5 (rPGA988B)37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)
Conflict-Free processorDiffersYesNo
Intel® Smart CacheKnown for oneYes
Processor codeKnown for oneSR04Z
Battery1 differ
Battery capacityKnown for one4400 mAh
Battery life (max)Differs4 h8.4 h
Poweridentical
AC adapter powerKnown for one120 W
AC adapter frequencyKnown for one50 - 60 Hz
AC adapter input voltageKnown for one100 - 240 V
Power auto-sensingKnown for oneYes
Security2 differ
Cable lock slotDiffersNoYes
Fingerprint readerDiffersNoYes
Password protection typeKnown for oneYes
Operational conditionsidentical
Operating temperature (T-T)Known for one5 - 35 °C
Operating relative humidity (H-H)Known for one20 - 85%
Certificatesidentical
Compliance certificatesKnown for oneRoHS
Wi-Fi certifiedKnown for oneYes
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Weight & dimensions3 differ
WeightDiffers3.2 kg2.57 kg
WidthDiffers415 mm372.8 mm
DepthDiffers245 mm245.1 mm
HeightKnown for one34.7 mm
Height (front)Known for one3.18 cm
Height (rear)Known for one3.56 cm
Packaging contentidentical
AC adapter includedKnown for oneYes
Cables includedKnown for oneAC
ManualKnown for oneYes
Quick start guideKnown for oneYes
Warranty cardKnown for oneYes
Other featuresidentical
3DKnown for oneNo
TV tuner integratedKnown for oneNo
Supplied AC adapter typeKnown for oneAC
Intel segment taggingKnown for oneHome office, Small Business

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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