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Product comparison · 2 tablets

Acer Iconia A8-21M-A3ES Allwinner vs Acer Iconia X12-21M-84XT Mediatek

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  • 31specifications compared
  • 22differ
  • 9identical
  • 27known for one product only

Key differences

The Acer Iconia X12-21M-84XT Mediatek has 4 GB more internal memory than the Acer Iconia A8-21M-A3ES Allwinner (8 GB vs 4 GB). The Acer Iconia X12-21M-84XT Mediatek has 192 GB more internal storage capacity than the Acer Iconia A8-21M-A3ES Allwinner (256 GB vs 64 GB). The Acer Iconia X12-21M-84XT Mediatek has 5 MP more rear camera resolution (numeric) than the Acer Iconia A8-21M-A3ES Allwinner (13 MP vs 8 MP). Only the Acer Iconia X12-21M-84XT Mediatek has AC adapter included. Display diagonal: 21.8 cm (8.6") on the Acer Iconia A8-21M-A3ES Allwinner, 32 cm (12.6") on the Acer Iconia X12-21M-84XT Mediatek.

  • Display diagonal
    • 21.8 cm (8.6")
    • 32 cm (12.6")
  • Panel type
    • IPS
    • OLED
  • Display resolution
    • 1280 x 800 pixels
    • 2560 x 1600 pixels
  • HD type
    • WXGA
    • WQXGA
  • Processor manufacturer
    • Allwinner Technology
    • MediaTek
  • Processor family
    • Allwinner
    • Mediatek
  • Processor model
    • A537
    • MT8781
  • Internal memory
    • 4 GB
    • 8 GB

Side by side

Differences highlightedShow differences only
58 specifications
A

Acer

Iconia A8-21M-A3ES Allwinner

Model A8-21M-A3ES

View product
B

Acer

Iconia X12-21M-84XT Mediatek

Model X12-21M-84XT

View product
Display4 differ
Display diagonalDiffers21.8 cm (8.6")32 cm (12.6")
Panel typeDiffersIPSOLED
Display resolutionDiffers1280 x 800 pixels2560 x 1600 pixels
Display technology marketing nameKnown for oneCineCrystal
HD typeDiffersWXGAWQXGA
Native aspect ratioKnown for one16:10
Processor3 differ
Processor manufacturerDiffersAllwinner TechnologyMediaTek
Processor familyDiffersAllwinnerMediatek
Processor modelDiffersA537MT8781
Processor cores88
Processor boost frequencyKnown for one2.2 GHz
Processor frequency2 GHz2 GHz
Memory2 differ
Internal memoryDiffers4 GB8 GB
Internal memory typeDiffersLPDDR4-SDRAMLPDDR4x-SDRAM
Storage2 differ
Internal storage capacityDiffers64 GB256 GB
Storage mediaDifferseMMCUFS
Card reader integratedKnown for oneYes
Compatible memory cardsKnown for oneMicroSD (TransFlash)
Maximum memory card sizeKnown for one1 TB
Audioidentical
Number of built-in speakersKnown for one2
Number of microphonesKnown for one2
Camera1 differ
Rear camera typeSingle cameraSingle camera
Rear camera resolution (numeric)Differs8 MP13 MP
Front cameraYesYes
Front camera resolution (numeric)5 MP5 MP
Network1 differ
BluetoothYesYes
Bluetooth versionKnown for one5.2
Top Wi-Fi standardDiffersWi-Fi 6 (802.11ax)Wi-Fi 5 (802.11ac)
Mobile network connectionKnown for oneNo
Ports & interfacesidentical
USB 2.0 Type-C ports quantityKnown for one1
Design3 differ
Form factorDiffersSlateSlider
Product colourDiffersSilverBlack
Device typeDiffersMobile tabletTablet PC
Colour nameKnown for oneVapor Silver
Softwareidentical
PlatformAndroidAndroid
Operating system installedKnown for oneAndroid 15
Battery1 differ
Battery includedKnown for oneYes
Battery technologyDiffersLithiumLithium-Ion (Li-Ion)
Battery capacityKnown for one20 Wh
Number of battery cells22
Battery voltageKnown for one3.8 V
Poweridentical
USB Type-C charging portYesYes
Enduranceidentical
Energy efficiency classKnown for oneF
Energy efficiency scaleKnown for oneA to G
Repeated free fall reliability classKnown for oneE
Repairability classKnown for oneC
International Protection (IP) codeKnown for oneIP42
Weight & dimensions4 differ
WidthDiffers216.2 mm286.2 mm
DepthDiffers130 mm184.4 mm
HeightDiffers7.9 mm6.5 mm
WeightDiffers410 g500 g
Packaging content1 differ
AC adapter includedDiffersNoYes
Keyboard includedKnown for oneYes
Cables includedKnown for oneAC
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 35 °C
Storage temperature (T-T)Known for one-20 - 60 °C
Operating relative humidity (H-H)Known for one20 - 80%
Storage relative humidity (H-H)Known for one20 - 80%

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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