Product comparison · 2 tablets

Acer Iconia X12-21M-84XT Mediatek vs TCL TAB A1

36specifications compared
21differ
15identical
36known for one product only

Key differences

The Acer Iconia X12-21M-84XT Mediatek has 2 GB more internal memory than the TCL TAB A1 (8 GB vs 6 GB). The Acer Iconia X12-21M-84XT Mediatek has 128 GB more internal storage capacity than the TCL TAB A1 (256 GB vs 128 GB). The TCL TAB A1 has 1 TB more maximum memory card size than the Acer Iconia X12-21M-84XT Mediatek (2 TB vs 1 TB). Only the Acer Iconia X12-21M-84XT Mediatek has AC adapter included. Display diagonal: 32 cm (12.6") on the Acer Iconia X12-21M-84XT Mediatek, 27.7 cm (10.9") on the TCL TAB A1.

Display diagonal
- Iconia X12-21M-84XT Mediatek:32 cm (12.6")
- TAB A1:27.7 cm (10.9")
Display resolution
- Iconia X12-21M-84XT Mediatek:2560 x 1600 pixels
- TAB A1:2112 x 1320 pixels
Display technology marketing name
- Iconia X12-21M-84XT Mediatek:CineCrystal
- TAB A1:NXTVISION
HD type
- Iconia X12-21M-84XT Mediatek:WQXGA
- TAB A1:2.1K
Processor model
- Iconia X12-21M-84XT Mediatek:MT8781
- TAB A1:Helio G100
Internal memory
- Iconia X12-21M-84XT Mediatek:8 GB
- TAB A1:6 GB
Internal storage capacity
- Iconia X12-21M-84XT Mediatek:256 GB
- TAB A1:128 GB
Maximum memory card size
- Iconia X12-21M-84XT Mediatek:1 TB
- TAB A1:2 TB

Side by side

Differences highlightedShow differences only

Comparison of X12-21M-84XT, TAB A1
72 specifications	A Acer Iconia X12-21M-84XT Mediatek Model X12-21M-84XT View product	B TCL TAB A1 View product
Display4 differ
Display diagonalDiffers	32 cm (12.6")	27.7 cm (10.9")
Panel typeKnown for one	OLED	Unknown — not stated by the source
Display resolutionDiffers	2560 x 1600 pixels	2112 x 1320 pixels
Display technology marketing nameDiffers	CineCrystal	NXTVISION
HD typeDiffers	WQXGA	2.1K
Native aspect ratio	16:10	16:10
Maximum refresh rateKnown for one	Unknown — not stated by the source	120 Hz
Display brightnessKnown for one	Unknown — not stated by the source	500 cd/m²
Rounded display cornersKnown for one	Unknown — not stated by the source	Yes
Processor1 differ
Processor manufacturer	MediaTek	MediaTek
Processor family	Mediatek	Mediatek
Processor modelDiffers	MT8781	Helio G100
Processor cores	8	8
Processor boost frequency	2.2 GHz	2.2 GHz
Processor frequencyKnown for one	2 GHz	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	8 GB	6 GB
Internal memory type	LPDDR4x-SDRAM	LPDDR4x-SDRAM
Storage2 differ
Internal storage capacityDiffers	256 GB	128 GB
Storage media	UFS	UFS
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	MicroSD (TransFlash)	Unknown — not stated by the source
Maximum memory card sizeDiffers	1 TB	2 TB
Audio2 differ
Number of built-in speakersDiffers	2	4
Number of microphonesDiffers	2	1
Camera1 differ
Rear camera type	Single camera	Single camera
Rear camera resolution (numeric)Differs	13 MP	8 MP
Front camera	Yes	Yes
Front camera resolution (numeric)	5 MP	5 MP
Auto focusKnown for one	Unknown — not stated by the source	Yes
Network1 differ
Bluetooth	Yes	Yes
Bluetooth versionDiffers	5.2	5.0
Top Wi-Fi standardKnown for one	Wi-Fi 5 (802.11ac)	Unknown — not stated by the source
Ports & interfacesidentical
USB 2.0 Type-C ports quantity	1	1
Headphone outKnown for one	Unknown — not stated by the source	Yes
Headphone connectivityKnown for one	Unknown — not stated by the source	Bluetooth / USB-C
Design3 differ
Form factorDiffers	Slider	Slate
Product colourDiffers	Black	Blue
Device typeDiffers	Tablet PC	Mobile tablet
Colour nameKnown for one	Unknown — not stated by the source	Space Blue
Housing materialKnown for one	Unknown — not stated by the source	Metal
Software1 differ
Platform	Android	Android
Operating system installedDiffers	Android 15	Android 16
Battery1 differ
Battery includedKnown for one	Yes	Unknown — not stated by the source
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Battery capacityDiffers	20 Wh	8000 mAh
Number of battery cellsKnown for one	2	Unknown — not stated by the source
Battery voltageKnown for one	3.8 V	Unknown — not stated by the source
Poweridentical
USB Type-C charging port	Yes	Yes
USB Type-C required charging power (max)Known for one	Unknown — not stated by the source	20 W
Enduranceidentical
Energy efficiency classKnown for one	F	Unknown — not stated by the source
Energy efficiency scaleKnown for one	A to G	Unknown — not stated by the source
Repeated free fall reliability classKnown for one	E	Unknown — not stated by the source
Repairability classKnown for one	C	Unknown — not stated by the source
International Protection (IP) codeKnown for one	IP42	Unknown — not stated by the source
Weight & dimensions2 differ
WidthKnown for one	286.2 mm	Unknown — not stated by the source
DepthKnown for one	184.4 mm	Unknown — not stated by the source
HeightDiffers	6.5 mm	6.2 mm
WeightDiffers	500 g	450 g
Packaging content2 differ
AC adapter includedDiffers	Yes	No
Keyboard includedKnown for one	Yes	Unknown — not stated by the source
Cables includedDiffers	AC	USB Type-C
Stylus penKnown for one	Unknown — not stated by the source	Yes
Tablet case includedKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 35 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-20 - 60 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	20 - 80%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	20 - 80%	Unknown — not stated by the source
Sensorsidentical
AccelerometerKnown for one	Unknown — not stated by the source	Yes
Ambient light sensorKnown for one	Unknown — not stated by the source	Yes
Proximity sensorKnown for one	Unknown — not stated by the source	Yes
Hall sensorKnown for one	Unknown — not stated by the source	Yes
Securityidentical
Face recognitionKnown for one	Unknown — not stated by the source	Yes

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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