All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

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

Add a product
  • 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")
Display resolution1600 x 900 pixels1600 x 900 pixels
TouchscreenKnown for oneNo
HD typeHD+HD+
Display number of coloursKnown for one16.78 million colours
LED backlightYesYes
Native aspect ratio16:916:9
Display brightnessKnown for one220 cd/m²
Contrast ratio (typical)Known for one500:1
Processor16 differ
Processor manufacturerIntelIntel
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
System bus rate5 GT/s5 GT/s
Processor cacheDiffers6 MB3 MB
Processor cache typeSmart CacheSmart Cache
Processor socketKnown for oneSocket G2
Processor lithographyDiffers22 nm32 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core i7-3600 Mobile seriesIntel Core i5-2400 Mobile Series
Processor codenameDiffersIvy BridgeSandy Bridge
Bus typeDMIDMI
FSB ParityNoNo
Thermal Design Power (TDP)Differs45 W35 W
TjunctionDiffers105 C100 °C
Maximum number of PCI Express lanes1616
PCI Express configurationsDiffers1x16, 2x81x16, 2x8, 1x8+2x4
PCI Express slots versionDiffers3.02.0
CPU multiplier (bus/core ratio)Differs2325
ECC supported by processorNoNo
SteppingKnown for oneJ1
Memory1 differ
Internal memoryDiffers16 GB4 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory slots2x SO-DIMM2x SO-DIMM
Maximum internal memory8 GB8 GB
Memory clock speedKnown for one1333 MHz
Storage6 differ
Total storage capacityDiffers1.12 TB500 GB
Storage mediaDiffersHDD+SSDHDD
Number of HDDs installed11
HDD capacityDiffers1 TB500 GB
HDD interfaceSATASATA
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
Card reader integratedYesYes
Compatible memory cardsDiffersMemory Stick (MS), MMC, SDMMC, SD, SDHC, SDXC
Graphics4 differ
On-board graphics cardYesYes
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 familyIntel® HD GraphicsIntel® HD Graphics
On-board graphics card modelDiffersIntel® HD Graphics 4000Intel® HD Graphics 3000
On-board graphics card base frequency650 MHz650 MHz
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
Built-in microphoneYesYes
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-FiYesYes
Wi-Fi standardsDiffers802.11a, 802.11g, Wi-Fi 4 (802.11n)802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
BluetoothYesYes
Bluetooth versionDiffers4.03.0+HS
Integrated 4G WiMAXYesYes
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
Ethernet LAN (RJ-45) ports11
HDMI ports quantityKnown for one1
DVI portNoNo
VGA (D-Sub) ports quantity11
Firewire (IEEE 1394) portsDiffers01
Thunderbolt ports quantityKnown for one0
Headphone outputs11
S/PDIF out portNoNo
Combo headphone/mic portKnown for oneNo
Microphone inYesYes
Docking connectorDiffersNoYes
ExpressCard slotDiffersNoYes
CardBus PCMCIA slot typeNoNo
SmartCard slotNoNo
TV-outNoNo
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
Operating system architecture64-bit64-bit
Bundled softwareKnown for oneMicrosoft Office Starter
Processor special features4 differ
Intel® Wireless Display (Intel® WiDi)YesYes
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithographyDiffers22 nm32 nm
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyYesYes
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyYesYes
Intel Fast Memory AccessYesYes
Intel Flex Memory AccessYesYes
Intel Identity Protection Technology version1.001.00
Intel Rapid Storage TechnologyNoNo
Intel Secure Key Technology versionKnown for one1.00
Intel Trusted Execution TechnologyNoNo
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)NoNo
Intel® AES New Instructions (Intel® AES-NI)YesYes
Intel® Anti-Theft Technology (Intel® AT)YesYes
Intel® Clear Video HD Technology (Intel® CVT HD)YesYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Identity Protection Technology (Intel® IPT)YesYes
Intel® InTru™ 3D TechnologyYesYes
Intel® Insider™YesYes
Intel® My WiFi Technology (Intel® MWT)YesYes
Intel® Quick Sync Video TechnologyYesYes
Intel® Secure KeyKnown for oneYes
Intel® Small Business Advantage (Intel® SBA)Known for oneNo
Intel® Turbo Boost Technology2.02.0
Processor ARK IDDiffers6489953452
Processor package sizeDiffers37.5 x 37.5 (rPGA988B)37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction setsAVXAVX
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorDiffersYesNo
Intel® Smart CacheKnown for oneYes
Processor codeKnown for oneSR04Z
Battery1 differ
Battery technologyLithium-Ion (Li-Ion)Lithium-Ion (Li-Ion)
Number of battery cells66
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
DC-in jackYesYes
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
Infrared data portNoNo
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.

More laptop comparisons

All laptop comparisons