Product comparison · 2 tablets

Acer Iconia X12-21M-84XT Mediatek vs Lenovo TAB4 8

26specifications compared
17differ
9identical
39known for one product only

Key differences

The Acer Iconia X12-21M-84XT Mediatek has 4 more processor cores than the Lenovo TAB4 8 (8 vs 4). The Acer Iconia X12-21M-84XT Mediatek has 0.6 GHz more processor frequency than the Lenovo TAB4 8 (2 GHz vs 1.4 GHz). The Acer Iconia X12-21M-84XT Mediatek has 6 GB more internal memory than the Lenovo TAB4 8 (8 GB vs 2 GB). Display diagonal: 32 cm (12.6") on the Acer Iconia X12-21M-84XT Mediatek, 20.3 cm (8") on the Lenovo TAB4 8. Panel type: OLED on the Acer Iconia X12-21M-84XT Mediatek, IPS on the Lenovo TAB4 8.

Display diagonal
- Iconia X12-21M-84XT Mediatek:32 cm (12.6")
- TAB4 8:20.3 cm (8")
Panel type
- Iconia X12-21M-84XT Mediatek:OLED
- TAB4 8:IPS
Display resolution
- Iconia X12-21M-84XT Mediatek:2560 x 1600 pixels
- TAB4 8:1280 x 800 pixels
Processor manufacturer
- Iconia X12-21M-84XT Mediatek:MediaTek
- TAB4 8:Qualcomm
Processor family
- Iconia X12-21M-84XT Mediatek:Mediatek
- TAB4 8:Snapdragon
Processor model
- Iconia X12-21M-84XT Mediatek:MT8781
- TAB4 8:MSM8917
Processor cores
- Iconia X12-21M-84XT Mediatek:8
- TAB4 8:4
Processor frequency
- Iconia X12-21M-84XT Mediatek:2 GHz
- TAB4 8:1.4 GHz

Side by side

Differences highlightedShow differences only

Comparison of X12-21M-84XT, TAB4 8
65 specifications	A Acer Iconia X12-21M-84XT Mediatek Model X12-21M-84XT View product	B Lenovo TAB4 8 View product
Display3 differ
Display diagonalDiffers	32 cm (12.6")	20.3 cm (8")
Panel typeDiffers	OLED	IPS
Display resolutionDiffers	2560 x 1600 pixels	1280 x 800 pixels
Display technology marketing nameKnown for one	CineCrystal	Unknown — not stated by the source
HD typeKnown for one	WQXGA	Unknown — not stated by the source
Native aspect ratioKnown for one	16:10	Unknown — not stated by the source
LED backlightKnown for one	Unknown — not stated by the source	Yes
Display brightnessKnown for one	Unknown — not stated by the source	350 cd/m²
Processor5 differ
Processor manufacturerDiffers	MediaTek	Qualcomm
Processor familyDiffers	Mediatek	Snapdragon
Processor modelDiffers	MT8781	MSM8917
Processor coresDiffers	8	4
Processor boost frequencyKnown for one	2.2 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2 GHz	1.4 GHz
Memory1 differ
Internal memoryDiffers	8 GB	2 GB
Internal memory typeKnown for one	LPDDR4x-SDRAM	Unknown — not stated by the source
Storage3 differ
Internal storage capacityDiffers	256 GB	16 GB
Storage mediaDiffers	UFS	eMMC
Maximum memory card sizeDiffers	1 TB	128 GB
Audioidentical
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Number of microphonesKnown for one	2	Unknown — not stated by the source
Camera2 differ
Rear camera resolution (numeric)Differs	13 MP	8 MP
Front camera resolution (numeric)Differs	5 MP	2 MP
Network1 differ
Bluetooth versionDiffers	5.2	4.0
Top Wi-Fi standardKnown for one	Wi-Fi 5 (802.11ac)	Unknown — not stated by the source
Mobile network connectionKnown for one	Unknown — not stated by the source	Yes
Mobile network generationKnown for one	Unknown — not stated by the source	4G
WWANKnown for one	Unknown — not stated by the source	Installed
Ports & interfacesidentical
USB 2.0 Type-C ports quantityKnown for one	1	Unknown — not stated by the source
Design1 differ
Form factorKnown for one	Slider	Unknown — not stated by the source
Device typeDiffers	Tablet PC	Mobile tablet
Colour nameKnown for one	Unknown — not stated by the source	Slate Black
Softwareidentical
Operating system installedKnown for one	Android 15	Unknown — not stated by the source
Battery1 differ
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Battery capacityDiffers	20 Wh	4850 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 portKnown for one	Yes	Unknown — not stated by the source
AC adapter output voltageKnown for one	Unknown — not stated by the source	5 V
AC adapter output currentKnown for one	Unknown — not stated by the source	1 A
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 & dimensionsidentical
WidthKnown for one	286.2 mm	Unknown — not stated by the source
DepthKnown for one	184.4 mm	Unknown — not stated by the source
HeightKnown for one	6.5 mm	Unknown — not stated by the source
WeightKnown for one	500 g	Unknown — not stated by the source
Packaging contentidentical
Keyboard includedKnown for one	Yes	Unknown — not stated by the source
Cables includedKnown for one	AC	Unknown — not stated by the source
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
Graphicsidentical
Graphics cardKnown for one	Unknown — not stated by the source	Adreno 308

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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