Product comparison · 2 tablets

Acer Iconia A10-21-A81V Allwinner vs Lenovo TAB4 8

25specifications compared
15differ
10identical
35known for one product only

Key differences

The Lenovo TAB4 8 has 130 cd/m² more display brightness than the Acer Iconia A10-21-A81V Allwinner (350 cd/m² vs 220 cd/m²). The Acer Iconia A10-21-A81V Allwinner has 4 more processor cores than the Lenovo TAB4 8 (8 vs 4). The Acer Iconia A10-21-A81V Allwinner has 0.4 GHz more processor frequency than the Lenovo TAB4 8 (1.8 GHz vs 1.4 GHz). Only the Lenovo TAB4 8 has card reader integrated. Only the Lenovo TAB4 8 has mobile network connection.

Display diagonal
- Iconia A10-21-A81V Allwinner:25.6 cm (10.1")
- TAB4 8:20.3 cm (8")
Display brightness
- Iconia A10-21-A81V Allwinner:220 cd/m²
- TAB4 8:350 cd/m²
Processor manufacturer
- Iconia A10-21-A81V Allwinner:Allwinner Technology
- TAB4 8:Qualcomm
Processor family
- Iconia A10-21-A81V Allwinner:Allwinner
- TAB4 8:Snapdragon
Processor model
- Iconia A10-21-A81V Allwinner:A523
- TAB4 8:MSM8917
Processor cores
- Iconia A10-21-A81V Allwinner:8
- TAB4 8:4
Processor frequency
- Iconia A10-21-A81V Allwinner:1.8 GHz
- TAB4 8:1.4 GHz
Internal memory
- Iconia A10-21-A81V Allwinner:4 GB
- TAB4 8:2 GB

Side by side

Differences highlightedShow differences only

Comparison of A10-21-A81V, TAB4 8
60 specifications	A Acer Iconia A10-21-A81V Allwinner Model A10-21-A81V View product	B Lenovo TAB4 8 View product
Display2 differ
Display diagonalDiffers	25.6 cm (10.1")	20.3 cm (8")
Display brightnessDiffers	220 cd/m²	350 cd/m²
HD typeKnown for one	WXGA	Unknown — not stated by the source
Native aspect ratioKnown for one	16:9	Unknown — not stated by the source
LED backlightKnown for one	Unknown — not stated by the source	Yes
Processor5 differ
Processor manufacturerDiffers	Allwinner Technology	Qualcomm
Processor familyDiffers	Allwinner	Snapdragon
Processor modelDiffers	A523	MSM8917
Processor coresDiffers	8	4
Processor frequencyDiffers	1.8 GHz	1.4 GHz
Memory1 differ
Internal memoryDiffers	4 GB	2 GB
Internal memory typeKnown for one	LPDDR4-SDRAM	Unknown — not stated by the source
Storage3 differ
Internal storage capacityDiffers	128 GB	16 GB
Storage mediaDiffers	Flash	eMMC
Card reader integratedDiffers	No	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	MicroSD (TransFlash)
Maximum memory card sizeKnown for one	Unknown — not stated by the source	128 GB
Audioidentical
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Number of microphonesKnown for one	1	Unknown — not stated by the source
Camera1 differ
Rear camera resolutionKnown for one	3264 x 2448 pixels	Unknown — not stated by the source
Video recording modesKnown for one	720p	Unknown — not stated by the source
Front camera resolution (numeric)Differs	5 MP	2 MP
Network2 differ
Mobile network connectionDiffers	No	Yes
Bluetooth versionDiffers	5.4	4.0
Top Wi-Fi standardKnown for one	Wi-Fi 6 (802.11ax)	Unknown — not stated by the source
Wi-Fi standardsKnown for one	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)	Unknown — not stated by the source
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 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one	1	Unknown — not stated by the source
Combo headphone/mic portKnown for one	Yes	Unknown — not stated by the source
Design1 differ
Form factorKnown for one	Slate	Unknown — not stated by the source
Product colourDiffers	Silver	Black
Colour nameKnown for one	Unknown — not stated by the source	Slate Black
Softwareidentical
Operating system installedKnown for one	Android 14	Unknown — not stated by the source
Batteryidentical
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Battery life (max)Known for one	10 h	Unknown — not stated by the source
Battery capacityKnown for one	Unknown — not stated by the source	4850 mAh
Poweridentical
AC adapter powerKnown for one	10 W	Unknown — not stated by the source
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
Weight & dimensionsidentical
WidthKnown for one	241.3 mm	Unknown — not stated by the source
DepthKnown for one	151.1 mm	Unknown — not stated by the source
HeightKnown for one	8 mm	Unknown — not stated by the source
WeightKnown for one	450 g	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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