Product comparison · 2 tablets

Acer Iconia 821-Z3742G03aii vs Acer Iconia A3-A11

60specifications compared
33differ
27identical
73known for one product only

Key differences

Display diagonal
- Iconia 821-Z3742G03aii:20.3 cm (8")
- Iconia A3-A11:25.6 cm (10.1")
Panel type
- Iconia 821-Z3742G03aii:IPS
- Iconia A3-A11:IGZO
Native aspect ratio
- Iconia 821-Z3742G03aii:16:9
- Iconia A3-A11:16:10
Processor family
- Iconia 821-Z3742G03aii:Intel Atom®
- Iconia A3-A11:Mediatek
Processor model
- Iconia 821-Z3742G03aii:Z3740
- Iconia A3-A11:MT8125
Processor frequency
- Iconia 821-Z3742G03aii:1.33 GHz
- Iconia A3-A11:1.2 GHz
Processor cache
- Iconia 821-Z3742G03aii:2 MB
- Iconia A3-A11:1 MB
Internal memory
- Iconia 821-Z3742G03aii:2 GB
- Iconia A3-A11:1 GB

Side by side

Differences highlightedShow differences only

Comparison of 821-Z3742G03aii, A3-A11
133 specifications	A Acer Iconia 821-Z3742G03aii Model 821-Z3742G03aii View product	B Acer Iconia A3-A11 Model A3-A11 View product
Display3 differ
Display diagonalDiffers	20.3 cm (8")	25.6 cm (10.1")
Panel typeDiffers	IPS	IGZO
Display resolution	1280 x 800 pixels	1280 x 800 pixels
LED backlight	Yes	Yes
Touch technology	Multi-touch	Multi-touch
Native aspect ratioDiffers	16:9	16:10
Processor4 differ
Processor manufacturerKnown for one	Intel	Unknown — not stated by the source
Processor familyDiffers	Intel Atom®	Mediatek
Processor modelDiffers	Z3740	MT8125
Processor cores	4	4
Processor threadsKnown for one	4	Unknown — not stated by the source
Processor boost frequencyKnown for one	1.86 GHz	Unknown — not stated by the source
Processor frequencyDiffers	1.33 GHz	1.2 GHz
Processor cacheDiffers	2 MB	1 MB
Processor cache typeKnown for one	L2	Unknown — not stated by the source
Conflict-Free processorKnown for one	Yes	Unknown — not stated by the source
Graphics & IMC lithographyKnown for one	22 nm	Unknown — not stated by the source
Processor codeKnown for one	SR1M5	Unknown — not stated by the source
Processor codenameKnown for one	Bay Trail	Unknown — not stated by the source
Processor lithographyKnown for one	22 nm	Unknown — not stated by the source
Processor operating modesKnown for one	32-bit, 64-bit	Unknown — not stated by the source
Processor package sizeKnown for one	17 x 17 mm	Unknown — not stated by the source
Processor seriesKnown for one	Intel Atom Z3700 Series	Unknown — not stated by the source
Scenario Design Power (SDP)Known for one	2 W	Unknown — not stated by the source
SteppingKnown for one	B2	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	2 W	Unknown — not stated by the source
TjunctionKnown for one	90 °C	Unknown — not stated by the source
Processor architectureKnown for one	Unknown — not stated by the source	ARM Cortex-A7
Memory1 differ
Internal memoryDiffers	2 GB	1 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Maximum internal memoryKnown for one	Unknown — not stated by the source	1 GB
Storage2 differ
Internal storage capacity	32 GB	32 GB
Storage mediaDiffers	SSD	Flash
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MicroSD (TransFlash)	MicroSD (TransFlash), MicroSDHC
Graphics1 differ
Graphics card familyKnown for one	Intel	Unknown — not stated by the source
Graphics cardDiffers	HD Graphics	PowerVR SGX544
Audioidentical
Built-in speaker(s)	Yes	Yes
Built-in microphone	Yes	Yes
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Audio systemKnown for one	High Deﬁnition (HD)	Unknown — not stated by the source
Camera1 differ
Rear camera type	Single camera	Single camera
Rear camera	Yes	Yes
Rear camera resolution (numeric)	5 MP	5 MP
Rear camera resolutionKnown for one	2592 x 1944 pixels	Unknown — not stated by the source
Front camera	Yes	Yes
Front camera resolution (numeric)Differs	2 MP	0.3 MP
Video recordingKnown for one	Unknown — not stated by the source	Yes
Network2 differ
Mobile network connection	Yes	Yes
Mobile network generation	3G	3G
3G standardsDiffers	HSPA	HSDPA, HSUPA, UMTS
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Top Wi-Fi standard	Wi-Fi 4 (802.11n)	Wi-Fi 4 (802.11n)
Wi-Fi standardsDiffers	Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANKnown for one	Unknown — not stated by the source	No
Near Field Communication (NFC)Known for one	Unknown — not stated by the source	No
Ports & interfaces3 differ
USB 2.0 ports quantityKnown for one	0	Unknown — not stated by the source
Micro-USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
HDMI ports quantityDiffers	0	1
Micro HDMI ports quantityKnown for one	1	Unknown — not stated by the source
Microphone in	No	No
Headphone outDiffers	No	Yes
Combo headphone/mic portDiffers	Yes	No
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	0
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	0
SmartCard slotKnown for one	Unknown — not stated by the source	No
DC-in jackKnown for one	Unknown — not stated by the source	No
Design1 differ
Form factor	Slate	Slate
Product colourDiffers	Grey	White
Device type	Mobile tablet	Mobile tablet
Performanceidentical
Position location	Yes	Yes
GPS (satellite)	Yes	Yes
Assisted GPS (A-GPS)Known for one	Unknown — not stated by the source	Yes
Sensorsidentical
AccelerometerKnown for one	Yes	Unknown — not stated by the source
Ambient light sensorKnown for one	Yes	Unknown — not stated by the source
GyroscopeKnown for one	Yes	Unknown — not stated by the source
Proximity sensorKnown for one	Yes	Unknown — not stated by the source
Electronic compassKnown for one	Yes	Unknown — not stated by the source
Software2 differ
PlatformDiffers	Windows	Android
Operating system installedDiffers	Windows 8.1	Android
Operating system architectureKnown for one	32-bit	Unknown — not stated by the source
Operating system versionKnown for one	Unknown — not stated by the source	4.2 Jelly bean
Processor special features4 differ
Embedded options availableKnown for one	No	Unknown — not stated by the source
Intel 64Known for one	Yes	Unknown — not stated by the source
Intel Identity Protection Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Secure Key Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	Yes	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	Yes	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Yes	Unknown — not stated by the source
Intel® Identity Protection Technology (Intel® IPT)Differs	Yes	No
Intel® Insider™Known for one	Yes	Unknown — not stated by the source
Intel® Quick Sync Video TechnologyDiffers	Yes	No
Intel® Secure KeyKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost Technology	No	No
Intel® Wireless Display (Intel® WiDi)Differs	Yes	No
Enhanced Intel SpeedStep TechnologyKnown for one	Unknown — not stated by the source	No
Intel Smart Connect TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Active Management Technology (Intel® AMT)Known for one	Unknown — not stated by the source	No
Intel® High Definition Audio (Intel® HD Audio)Known for one	Unknown — not stated by the source	No
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	No
Intel® Matrix Storage Technology (Intel® MST)Known for one	Unknown — not stated by the source	No
Intel® My WiFi Technology (Intel® MWT)Known for one	Unknown — not stated by the source	No
Intel® Rapid Start TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	No
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	No
Battery2 differ
Battery technology	Lithium Polymer (LiPo)	Lithium Polymer (LiPo)
Battery capacityDiffers	18.6 Wh	7300 mAh
Number of battery cells	2	2
Battery life (max)Differs	10 h	11 h
Poweridentical
AC adapter powerKnown for one	10 W	Unknown — not stated by the source
AC adapter input voltageKnown for one	120 - 230 V	Unknown — not stated by the source
AC adapter frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	218.9 mm	260 mm
DepthDiffers	134.9 mm	175 mm
HeightDiffers	10.8 mm	10.2 mm
WeightDiffers	425 g	580 g
Packaging content2 differ
Keyboard includedDiffers	Yes	No
Cables includedDiffers	USB	Yes
Quick start guideKnown for one	Yes	Unknown — not stated by the source
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
ManualKnown for one	Unknown — not stated by the source	Yes
Other features1 differ
2G standardsDiffers	Edge, GPRS, GSM	Edge
Processor socketKnown for one	BGA 1380	Unknown — not stated by the source
Wi-Fi	Yes	Yes
Processor ARK IDKnown for one	76759	Unknown — not stated by the source
64-bit computingKnown for one	Unknown — not stated by the source	No
Docking connectorKnown for one	Unknown — not stated by the source	No
Messagingidentical
E-mailKnown for one	Unknown — not stated by the source	Yes
Instant messaging (IM)Known for one	Unknown — not stated by the source	Yes
Securityidentical
Fingerprint readerKnown for one	Unknown — not stated by the source	No
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS

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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