Product comparison · 2 tablets

Acer Iconia X12-21M-84XT Mediatek vs Lenovo Tab E7

25specifications compared
15differ
10identical
36known for one product only

Key differences

The Acer Iconia X12-21M-84XT Mediatek has 4 more processor cores than the Lenovo Tab E7 (8 vs 4). The Acer Iconia X12-21M-84XT Mediatek has 0.7 GHz more processor frequency than the Lenovo Tab E7 (2 GHz vs 1.3 GHz). The Acer Iconia X12-21M-84XT Mediatek has 7 GB more internal memory than the Lenovo Tab E7 (8 GB vs 1 GB). Display diagonal: 32 cm (12.6") on the Acer Iconia X12-21M-84XT Mediatek, 17.8 cm (7") on the Lenovo Tab E7. Panel type: OLED on the Acer Iconia X12-21M-84XT Mediatek, TN on the Lenovo Tab E7.

Display diagonal
- Iconia X12-21M-84XT Mediatek:32 cm (12.6")
- Tab E7:17.8 cm (7")
Panel type
- Iconia X12-21M-84XT Mediatek:OLED
- Tab E7:TN
Display resolution
- Iconia X12-21M-84XT Mediatek:2560 x 1600 pixels
- Tab E7:1024 x 600 pixels
Processor model
- Iconia X12-21M-84XT Mediatek:MT8781
- Tab E7:MT8321A/D
Processor cores
- Iconia X12-21M-84XT Mediatek:8
- Tab E7:4
Processor frequency
- Iconia X12-21M-84XT Mediatek:2 GHz
- Tab E7:1.3 GHz
Internal memory
- Iconia X12-21M-84XT Mediatek:8 GB
- Tab E7:1 GB
Internal storage capacity
- Iconia X12-21M-84XT Mediatek:256 GB
- Tab E7:16 GB

Side by side

Differences highlightedShow differences only

Comparison of X12-21M-84XT, Tab E7
61 specifications	A Acer Iconia X12-21M-84XT Mediatek Model X12-21M-84XT View product	B Lenovo Tab E7 View product
Display3 differ
Display diagonalDiffers	32 cm (12.6")	17.8 cm (7")
Panel typeDiffers	OLED	TN
Display resolutionDiffers	2560 x 1600 pixels	1024 x 600 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	250 cd/m²
Processor3 differ
Processor manufacturer	MediaTek	MediaTek
Processor familyKnown for one	Mediatek	Unknown — not stated by the source
Processor modelDiffers	MT8781	MT8321A/D
Processor coresDiffers	8	4
Processor boost frequencyKnown for one	2.2 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2 GHz	1.3 GHz
Memory1 differ
Internal memoryDiffers	8 GB	1 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	eMCP
Card reader integrated	Yes	Yes
Compatible memory cards	MicroSD (TransFlash)	MicroSD (TransFlash)
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 type	Single camera	Single camera
Rear camera resolution (numeric)Differs	13 MP	2 MP
Front camera	Yes	Yes
Front camera resolution (numeric)Differs	5 MP	0.3 MP
Network1 differ
Bluetooth	Yes	Yes
Bluetooth versionDiffers	5.2	4.0
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 quantityKnown for one	1	Unknown — not stated by the source
Design1 differ
Form factorKnown for one	Slider	Unknown — not stated by the source
Product colour	Black	Black
Device typeDiffers	Tablet PC	Mobile tablet
Colour nameKnown for one	Unknown — not stated by the source	Slate Black
Softwareidentical
Platform	Android	Android
Operating system installedKnown for one	Android 15	Unknown — not stated by the source
Battery1 differ
Battery included	Yes	Yes
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Battery capacityDiffers	20 Wh	2750 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
AC adapter included	Yes	Yes
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

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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