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Product comparison · 2 laptops

Acer 8572G-644G50Mnkk + 3Y vs Lenovo ThinkPad L420 Intel® Core™ i5 i5-2520M

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  • 117specifications compared
  • 45differ
  • 72identical
  • 44known for one product only

Key differences

  • Display diagonal
    • 39.6 cm (15.6")
    • 35.6 cm (14")
  • Processor family
    • Intel® Core™ i7
    • Intel® Core™ i5
  • Processor generation
    • Intel® Core™ i7
    • 2nd gen Intel® Core™ i5
  • Processor model
    • i7-640M
    • i5-2520M
  • Processor boost frequency
    • 3.46 GHz
    • 3.2 GHz
  • Processor frequency
    • 2.8 GHz
    • 2.5 GHz
  • System bus rate
    • 2.5 GT/s
    • 5 GT/s
  • Processor cache
    • 4 MB
    • 3 MB

Side by side

Differences highlightedShow differences only
161 specifications
A

Acer

8572G-644G50Mnkk + 3YView product
B

Lenovo

ThinkPad L420 Intel® Core™ i5 i5-2520M

Model L420

View product
Display1 differ
Display diagonalDiffers39.6 cm (15.6")35.6 cm (14")
Display number of coloursKnown for one16.78 million colours
LED backlightKnown for oneYes
Processor14 differ
Processor familyDiffersIntel® Core™ i7Intel® Core™ i5
Processor generationDiffersIntel® Core™ i72nd gen Intel® Core™ i5
Processor modelDiffersi7-640Mi5-2520M
Processor boost frequencyDiffers3.46 GHz3.2 GHz
Processor frequencyDiffers2.8 GHz2.5 GHz
System bus rateDiffers2.5 GT/s5 GT/s
Processor cacheDiffers4 MB3 MB
Processor socketDiffersBGA 1288Socket 988
Processor seriesDiffersIntel Core i7-600 Mobile SeriesIntel Core i5-2500 Mobile Series
Processor codenameDiffersArrandaleSandy Bridge
SteppingDiffersK0J1
TjunctionDiffers105 °C100 °C
PCI Express configurationsDiffers1x161x16, 2x8, 1x8+2x4
Number of Processing Die TransistorsKnown for one382 M
Processing Die sizeKnown for one81 mm²
CPU multiplier (bus/core ratio)Differs2125
L3 cacheKnown for one3 MB
L2 cacheKnown for one3 MB
Memory2 differ
Internal memoryDiffers4 GB3 GB
Internal memory typeDiffersDDR2-SDRAMDDR3-SDRAM
Memory clock speedKnown for one1333 MHz
Memory layout (slots x size)Known for one1 x 1 + 1 x 2 GB
Storage2 differ
Total storage capacityDiffers500 GB320 GB
HDD speedKnown for one7200 RPM
Card reader integratedDiffersYesNo
Compatible memory cardsKnown for oneMemory Stick (MS), MMC, MS PRO, SD, xD
HDD capacityKnown for one320 GB
Graphics3 differ
On-board graphics card modelDiffersIntel® HD GraphicsIntel® HD Graphics 3000
On-board graphics card base frequencyDiffers500 MHz650 MHz
On-board graphics card dynamic frequency (max)Differs766 MHz1300 MHz
On-board graphics card IDKnown for one0x116
Maximum resolutionKnown for one1366 x 768 pixels
Network1 differ
Top Wi-Fi standardKnown for oneWi-Fi 4 (802.11n)
Wi-Fi standardsKnown for oneWi-Fi 4 (802.11n)
BluetoothDiffersYesNo
Bluetooth versionKnown for one3.0+HS
Networking featuresKnown for oneGigabit Ethernet
Integrated 4G WiMAXKnown for oneYes
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers43
eSATA/USB 2.0 ports quantityDiffers01
DisplayPorts quantityDiffers01
ExpressCard slotKnown for oneNo
SmartCard slotKnown for oneNo
Modem (RJ-11) portsKnown for one1
Keyboard2 differ
Pointing deviceDiffersTouchpadThinkPad UltraNav
Full-size keyboardDiffersYesNo
Softwareidentical
Operating system installedKnown for oneWindows 7 Professional
Operating system architectureKnown for one64-bit
Processor special features13 differ
Intel® Wireless Display (Intel® WiDi)DiffersNoYes
Graphics & IMC lithographyDiffers45 nm32 nm
Intel Clear Video TechnologyDiffersYesNo
Intel® Anti-Theft Technology (Intel® AT)DiffersNoYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)DiffersYesNo
Intel® InTru™ 3D TechnologyDiffersNoYes
Intel® My WiFi Technology (Intel® MWT)DiffersNoYes
Intel® Quick Sync Video TechnologyDiffersNoYes
Intel® Turbo Boost TechnologyDiffers1.02.0
Physical Address Extension (PAE)Known for one36 bit
Processor ARK IDDiffers4966652229
Processor codeDiffersSLBTNSR048
Processor package sizeDiffersrPGA 37.5x 37.5, BGA 34x2837.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction setsDiffersSSE4.1/4.2AVX
Intel Identity Protection Technology versionKnown for one1.00
Intel® Identity Protection Technology (Intel® IPT)Known for oneYes
Intel® Smart CacheKnown for oneYes
Batteryidentical
Number of battery cellsKnown for one6
Battery capacityKnown for one6000 mAh
Security1 differ
Cable lock slotDiffersNoYes
Cable lock slot typeKnown for oneKensington
Fingerprint readerKnown for oneYes
Trusted Platform Module (TPM)Known for oneYes
Certificatesidentical
Wi-Fi certifiedKnown for oneYes
Weight & dimensions3 differ
WeightDiffers2.6 kg2.3 kg
WidthDiffers379 mm343.9 mm
DepthDiffers253 mm232.9 mm
Height (front)Known for one3.2 cm
Height (rear)Known for one3.6 cm
Other featuresidentical
Wake-on-LAN readyKnown for oneYes
Wake-on-Ring readyKnown for oneYes
Internal modemKnown for oneYes
TV tuner integratedKnown for oneNo
Power requirementsKnown for one100-240V
Modem typeKnown for oneNo
Audioidentical
Audio systemKnown for oneHD
Number of built-in speakersKnown for one2
Speaker powerKnown for one1.5 W

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