Product comparison · 2 tablets

Acer Iconia 820-Z3742G06aii Intel Atom® vs Acer Iconia B1-721

45specifications compared
27differ
18identical
72known for one product only

Key differences

Display diagonal
- Iconia 820-Z3742G06aii Intel Atom®:20.3 cm (8")
- Iconia B1-721:17.8 cm (7")
Display resolution
- Iconia 820-Z3742G06aii Intel Atom®:1280 x 800 pixels
- Iconia B1-721:1024 x 600 pixels
Processor family
- Iconia 820-Z3742G06aii Intel Atom®:Intel Atom®
- Iconia B1-721:Mediatek
Processor model
- Iconia 820-Z3742G06aii Intel Atom®:Z3740
- Iconia B1-721:MT8312
Processor cores
- Iconia 820-Z3742G06aii Intel Atom®:4
- Iconia B1-721:2
Processor frequency
- Iconia 820-Z3742G06aii Intel Atom®:1.33 GHz
- Iconia B1-721:1.3 GHz
Internal memory
- Iconia 820-Z3742G06aii Intel Atom®:2 GB
- Iconia B1-721:1 GB
Internal memory type
- Iconia 820-Z3742G06aii Intel Atom®:DDR3-SDRAM
- Iconia B1-721:DDR3L-SDRAM

Side by side

Differences highlightedShow differences only

Comparison of 820-Z3742G06aii, B1-721
117 specifications	A Acer Iconia 820-Z3742G06aii Intel Atom® Model 820-Z3742G06aii View product	B Acer Iconia B1-721 Model B1-721 View product
Display2 differ
Display diagonalDiffers	20.3 cm (8")	17.8 cm (7")
Panel typeKnown for one	IPS	Unknown — not stated by the source
Display resolutionDiffers	1280 x 800 pixels	1024 x 600 pixels
LED backlight	Yes	Yes
Touch technology	Multi-touch	Multi-touch
Native aspect ratioKnown for one	16:10	Unknown — not stated by the source
Display technologyKnown for one	Unknown — not stated by the source	LCD
Touchscreen typeKnown for one	Unknown — not stated by the source	Capacitive
Processor4 differ
Processor manufacturerKnown for one	Intel	Unknown — not stated by the source
Processor familyDiffers	Intel Atom®	Mediatek
Processor modelDiffers	Z3740	MT8312
Processor coresDiffers	4	2
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	1.3 GHz
Processor cacheKnown for one	2 MB	Unknown — not stated by the source
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
Memory2 differ
Internal memoryDiffers	2 GB	1 GB
Internal memory typeDiffers	DDR3-SDRAM	DDR3L-SDRAM
Storage3 differ
Internal storage capacityDiffers	64 GB	16 GB
Storage mediaDiffers	SSD	Flash
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MicroSD (TransFlash), MicroSDXC	MicroSD (TransFlash), MicroSDHC
Graphicsidentical
Graphics card familyKnown for one	Intel	Unknown — not stated by the source
Graphics cardKnown for one	HD Graphics	Unknown — not stated by the source
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 typeKnown for one	Single camera	Unknown — not stated by the source
Rear cameraDiffers	Yes	No
Rear camera resolution (numeric)Known for one	5 MP	Unknown — not stated by the source
Rear camera resolutionKnown for one	2592 x 1944 pixels	Unknown — not stated by the source
Front camera	Yes	Yes
Front camera resolution (numeric)Known for one	2 MP	Unknown — not stated by the source
Network1 differ
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)
Mobile network connectionKnown for one	Unknown — not stated by the source	Yes
Mobile network generationKnown for one	Unknown — not stated by the source	3G
3G standardsKnown for one	Unknown — not stated by the source	HSPA+
Ethernet LANKnown for one	Unknown — not stated by the source	No
Ports & interfaces2 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 quantity	0	0
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
Designidentical
Form factor	Slate	Slate
Product colour	Grey	Grey
Device type	Mobile tablet	Mobile tablet
Performance2 differ
Position locationDiffers	No	Yes
GPS (satellite)Differs	No	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
Processor special featuresidentical
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)Known for one	Yes	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Yes	Unknown — not stated by the source
Intel® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
Intel® Insider™Known for one	Yes	Unknown — not stated by the source
Intel® Quick Sync Video TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Secure KeyKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Wireless Display (Intel® WiDi)Known for one	Yes	Unknown — not stated by the source
Battery3 differ
Battery technology	Lithium Polymer (LiPo)	Lithium Polymer (LiPo)
Battery capacityDiffers	18.6 Wh	2955 mAh
Number of battery cellsDiffers	2	1
Battery life (max)Differs	10 h	5 h
Continuous video playback time (max)Known for one	Unknown — not stated by the source	5 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	122 mm
DepthDiffers	134.9 mm	199 mm
HeightDiffers	10.8 mm	11.4 mm
WeightDiffers	415 g	323 g
Packaging content1 differ
Keyboard included	No	No
Cables includedDiffers	USB	Yes
Quick start guide	Yes	Yes
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
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
2G standardsKnown for one	Unknown — not stated by the source	Edge
Docking connectorKnown for one	Unknown — not stated by the source	No
Securityidentical
Fingerprint readerKnown for one	Unknown — not stated by the source	No
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
CertificationKnown for one	Unknown — not stated by the source	WEEE

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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