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
    • Iconia A8-21M-A3ES Allwinner:21.8 cm (8.6")
    • Iconia X12-21M-84XT Mediatek:32 cm (12.6")
  • Panel type
    • Iconia A8-21M-A3ES Allwinner:IPS
    • Iconia X12-21M-84XT Mediatek:OLED
  • Display resolution
    • Iconia A8-21M-A3ES Allwinner:1280 x 800 pixels
    • Iconia X12-21M-84XT Mediatek:2560 x 1600 pixels
  • HD type
    • Iconia A8-21M-A3ES Allwinner:WXGA
    • Iconia X12-21M-84XT Mediatek:WQXGA
  • Processor manufacturer
    • Iconia A8-21M-A3ES Allwinner:Allwinner Technology
    • Iconia X12-21M-84XT Mediatek:MediaTek
  • Processor family
    • Iconia A8-21M-A3ES Allwinner:Allwinner
    • Iconia X12-21M-84XT Mediatek:Mediatek
  • Processor model
    • Iconia A8-21M-A3ES Allwinner:A537
    • Iconia X12-21M-84XT Mediatek:MT8781
  • Internal memory
    • Iconia A8-21M-A3ES Allwinner:4 GB
    • Iconia X12-21M-84XT Mediatek:8 GB

Side by side

Differences highlightedShow differences only (on)
Comparison of A8-21M-A3ES, X12-21M-84XT
58 specifications
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 oneUnknown — not stated by the sourceCineCrystal
HD typeDiffersWXGAWQXGA
Native aspect ratioKnown for oneUnknown — not stated by the source16:10
Processor3 differ
Processor manufacturerDiffersAllwinner TechnologyMediaTek
Processor familyDiffersAllwinnerMediatek
Processor modelDiffersA537MT8781
Processor boost frequencyKnown for oneUnknown — not stated by the source2.2 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 oneUnknown — not stated by the sourceYes
Compatible memory cardsKnown for oneUnknown — not stated by the sourceMicroSD (TransFlash)
Maximum memory card sizeKnown for oneUnknown — not stated by the source1 TB
Audioidentical
Number of built-in speakersKnown for oneUnknown — not stated by the source2
Number of microphonesKnown for oneUnknown — not stated by the source2
Camera1 differ
Rear camera resolution (numeric)Differs8 MP13 MP
Network1 differ
Bluetooth versionKnown for oneUnknown — not stated by the source5.2
Top Wi-Fi standardDiffersWi-Fi 6 (802.11ax)Wi-Fi 5 (802.11ac)
Mobile network connectionKnown for oneNoUnknown — not stated by the source
Ports & interfacesidentical
USB 2.0 Type-C ports quantityKnown for oneUnknown — not stated by the source1
Design3 differ
Form factorDiffersSlateSlider
Product colourDiffersSilverBlack
Device typeDiffersMobile tabletTablet PC
Colour nameKnown for oneVapor SilverUnknown — not stated by the source
Softwareidentical
Operating system installedKnown for oneUnknown — not stated by the sourceAndroid 15
Battery1 differ
Battery includedKnown for oneUnknown — not stated by the sourceYes
Battery technologyDiffersLithiumLithium-Ion (Li-Ion)
Battery capacityKnown for oneUnknown — not stated by the source20 Wh
Battery voltageKnown for oneUnknown — not stated by the source3.8 V
Enduranceidentical
Energy efficiency classKnown for oneUnknown — not stated by the sourceF
Energy efficiency scaleKnown for oneUnknown — not stated by the sourceA to G
Repeated free fall reliability classKnown for oneUnknown — not stated by the sourceE
Repairability classKnown for oneUnknown — not stated by the sourceC
International Protection (IP) codeKnown for oneUnknown — not stated by the sourceIP42
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 oneUnknown — not stated by the sourceYes
Cables includedKnown for oneUnknown — not stated by the sourceAC
Operational conditionsidentical
Operating temperature (T-T)Known for oneUnknown — not stated by the source0 - 35 °C
Storage temperature (T-T)Known for oneUnknown — not stated by the source-20 - 60 °C
Operating relative humidity (H-H)Known for oneUnknown — not stated by the source20 - 80%
Storage relative humidity (H-H)Known for oneUnknown — not stated by the source20 - 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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