Product comparison · 2 tablets

Acer Iconia W4-821 vs ASUS VivoTab Smart ME400C-1A035W tablet Intel Atom®

69specifications compared
28differ
41identical
60known for one product only

Key differences

Display diagonal
- Iconia W4-821:20.3 cm (8")
- VivoTab Smart ME400C-1A035W tablet Intel Atom®:25.6 cm (10.1")
Display resolution
- Iconia W4-821:1280 x 800 pixels
- VivoTab Smart ME400C-1A035W tablet Intel Atom®:1366 x 768 pixels
Processor model
- Iconia W4-821:Z3740
- VivoTab Smart ME400C-1A035W tablet Intel Atom®:Z2760
Processor cores
- Iconia W4-821:4
- VivoTab Smart ME400C-1A035W tablet Intel Atom®:2
Processor frequency
- Iconia W4-821:1.33 GHz
- VivoTab Smart ME400C-1A035W tablet Intel Atom®:1.8 GHz
Processor cache
- Iconia W4-821:2 MB
- VivoTab Smart ME400C-1A035W tablet Intel Atom®:1 MB
Processor code
- Iconia W4-821:SR1M5
- VivoTab Smart ME400C-1A035W tablet Intel Atom®:SR0Z4
Processor lithography
- Iconia W4-821:22 nm
- VivoTab Smart ME400C-1A035W tablet Intel Atom®:32 nm

Side by side

Differences highlightedShow differences only

Comparison of W4-821, ME400C-1A035W
129 specifications	A Acer Iconia W4-821 Model W4-821 View product	B ASUS VivoTab Smart ME400C-1A035W tablet Intel Atom® Model ME400C-1A035W View product
Display2 differ
Display diagonalDiffers	20.3 cm (8")	25.6 cm (10.1")
Panel type	IPS	IPS
Display resolutionDiffers	1280 x 800 pixels	1366 x 768 pixels
LED backlight	Yes	Yes
Touch technology	Multi-touch	Multi-touch
Touchscreen type	Capacitive	Capacitive
Processor9 differ
Processor manufacturer	Intel	Intel
Processor family	Intel Atom®	Intel Atom®
Processor modelDiffers	Z3740	Z2760
Processor coresDiffers	4	2
Processor threads	4	4
Processor boost frequencyKnown for one	1.86 GHz	Unknown — not stated by the source
Processor frequencyDiffers	1.33 GHz	1.8 GHz
Processor cacheDiffers	2 MB	1 MB
Processor cache type	L2	L2
Conflict-Free processor	Yes	Yes
Graphics & IMC lithographyKnown for one	22 nm	Unknown — not stated by the source
Processor codeDiffers	SR1M5	SR0Z4
Processor codenameKnown for one	Bay Trail	Unknown — not stated by the source
Processor lithographyDiffers	22 nm	32 nm
Processor operating modesDiffers	32-bit, 64-bit	32-bit
Processor package sizeDiffers	17 x 17 mm	14 x 14 mm
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
SteppingDiffers	B2	C0
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
Memoryidentical
Internal memory	2 GB	2 GB
Internal memory typeKnown for one	LPDDR3-SDRAM	Unknown — not stated by the source
Maximum internal memoryKnown for one	2 GB	Unknown — not stated by the source
Storage1 differ
Internal storage capacity	64 GB	64 GB
Storage mediaKnown for one	Flash	Unknown — not stated by the source
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MicroSD (TransFlash), MicroSDHC, MicroSDXC	MicroSD (TransFlash), SDHC
Maximum memory card sizeKnown for one	64 GB	Unknown — not stated by the source
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 speakers	2	2
Cameraidentical
Rear camera type	Single camera	Single camera
Rear camera	Yes	Yes
Maximum video resolutionKnown for one	1920 x 1080 pixels	Unknown — not stated by the source
Video recording	Yes	Yes
Video recording modesKnown for one	1080p	Unknown — not stated by the source
Front camera	Yes	Yes
Front camera resolution (numeric)	2 MP	2 MP
Rear camera resolution (numeric)Known for one	Unknown — not stated by the source	8 MP
Network1 differ
Mobile network connectionKnown for one	Yes	Unknown — not stated by the source
Mobile network generationKnown for one	3G	Unknown — not stated by the source
3G standardsKnown for one	HSDPA, HSPA, HSPA+, HSUPA	Unknown — not stated by the source
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	802.11a, 802.11b, 802.11g	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANKnown for one	No	Unknown — not stated by the source
Near Field Communication (NFC)Known for one	Unknown — not stated by the source	Yes
Ports & interfaces2 differ
USB 2.0 ports quantity	0	0
Micro-USB 2.0 ports quantity	1	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
HDMI ports quantity	0	0
Micro HDMI ports quantity	1	1
Ethernet LAN (RJ-45) portsKnown for one	0	Unknown — not stated by the source
Microphone in	No	No
SmartCard slotKnown for one	No	Unknown — not stated by the source
Headphone outDiffers	Yes	No
Headphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
Combo headphone/mic portDiffers	No	Yes
DC-in jackKnown for one	No	Unknown — not stated by the source
Design1 differ
Form factor	Slate	Slate
Product colourDiffers	Grey	Black
Device type	Mobile tablet	Mobile tablet
Performance2 differ
Position locationDiffers	Yes	No
Assisted GPS (A-GPS)Known for one	Yes	Unknown — not stated by the source
GLONASSKnown for one	Yes	Unknown — not stated by the source
GPS (satellite)Differs	Yes	No
Sensorsidentical
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	Yes
Orientation sensor	Yes	Yes
Proximity sensorKnown for one	Yes	Unknown — not stated by the source
Electronic compass	Yes	Yes
Securityidentical
Fingerprint readerKnown for one	No	Unknown — not stated by the source
Software1 differ
Platform	Windows	Windows
Operating system installedDiffers	Windows 8.1	Windows 8
Bundled softwareKnown for one	Unknown — not stated by the source	SuperNote Guide Vibe Lite ASUS Camera MyLibrary MyDictionary Asus WebStorage Amazon Kindle
Processor special features1 differ
Embedded options available	No	No
Enhanced Intel SpeedStep TechnologyKnown 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 Smart Connect TechnologyKnown for one	No	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Differs	Yes	No
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® Rapid Start TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Secure KeyKnown for one	Yes	Unknown — not stated by the source
Intel® Small Business Advantage (Intel® SBA)Known for one	No	Unknown — not stated by the source
Intel® Smart Response TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Turbo Boost Technology	No	No
Intel® Wireless Display (Intel® WiDi)Known for one	Yes	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	Yes
Battery2 differ
Battery technology	Lithium Polymer (LiPo)	Lithium Polymer (LiPo)
Battery capacityDiffers	18.6 Wh	25 Wh
Number of battery cellsKnown for one	2	Unknown — not stated by the source
Battery life (max)Differs	8 h	9.5 h
Continuous video playback time (max)Known for one	8 h	Unknown — not stated by the source
Browsing time (Wi-Fi) (max)Known for one	10 h	Unknown — not stated by the source
Poweridentical
AC adapter powerKnown for one	10 W	Unknown — not stated by the source
AC adapter input voltageKnown for one	100 - 240 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	262.5 mm
DepthDiffers	134.9 mm	9.7 mm
HeightDiffers	10.8 mm	171 mm
WeightDiffers	415 g	580 g
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Keyboard included	No	No
Cables includedKnown for one	AC	Unknown — not stated by the source
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Other features2 differ
2G standardsKnown for one	Edge, GPRS	Unknown — not stated by the source
Docking connectorKnown for one	No	Unknown — not stated by the source
Intel® Virtualization Technology (Intel® VT)Known for one	VT-x	Unknown — not stated by the source
Processor socketDiffers	BGA 1380	FC-MB4760
Wi-Fi	Yes	Yes
Processor ARK IDDiffers	76759	70105

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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