Product comparison · 2 tablets

Acer Iconia W4-821-Z3742G03aii vs ASUS MeMO Pad 8 ME581CL-1B025A tablet

65specifications compared
23differ
42identical
56known for one product only

Key differences

Display resolution
- Iconia W4-821-Z3742G03aii:1280 x 800 pixels
- MeMO Pad 8 ME581CL-1B025A tablet:1920 x 1200 pixels
Processor model
- Iconia W4-821-Z3742G03aii:Z3740
- MeMO Pad 8 ME581CL-1B025A tablet:Z3560
Processor frequency
- Iconia W4-821-Z3742G03aii:1.33 GHz
- MeMO Pad 8 ME581CL-1B025A tablet:1.83 GHz
Processor cache type
- Iconia W4-821-Z3742G03aii:L2
- MeMO Pad 8 ME581CL-1B025A tablet:Smart Cache
Processor package size
- Iconia W4-821-Z3742G03aii:17 x 17 mm
- MeMO Pad 8 ME581CL-1B025A tablet:14 x 14 mm
Internal storage capacity
- Iconia W4-821-Z3742G03aii:32 GB
- MeMO Pad 8 ME581CL-1B025A tablet:16 GB
Storage media
- Iconia W4-821-Z3742G03aii:SSD
- MeMO Pad 8 ME581CL-1B025A tablet:Flash
Audio system
- Iconia W4-821-Z3742G03aii:High Deﬁnition (HD)
- MeMO Pad 8 ME581CL-1B025A tablet:SonicMaster

Side by side

Differences highlightedShow differences only

Comparison of W4-821-Z3742G03aii, ME581CL-1B025A
121 specifications	A Acer Iconia W4-821-Z3742G03aii Model W4-821-Z3742G03aii View product	B ASUS MeMO Pad 8 ME581CL-1B025A tablet Model ME581CL-1B025A View product
Display1 differ
Display diagonal	20.3 cm (8")	20.3 cm (8")
Panel type	IPS	IPS
Display resolutionDiffers	1280 x 800 pixels	1920 x 1200 pixels
LED backlight	Yes	Yes
Touch technology	Multi-touch	Multi-touch
Native aspect ratioKnown for one	16:10	Unknown — not stated by the source
Processor4 differ
Processor manufacturer	Intel	Intel
Processor family	Intel Atom®	Intel Atom®
Processor modelDiffers	Z3740	Z3560
Processor cores	4	4
Processor threads	4	4
Processor boost frequencyKnown for one	1.86 GHz	Unknown — not stated by the source
Processor frequencyDiffers	1.33 GHz	1.83 GHz
Processor cache	2 MB	2 MB
Processor cache typeDiffers	L2	Smart Cache
Conflict-Free processor	Yes	Yes
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 lithography	22 nm	22 nm
Processor operating modes	32-bit, 64-bit	32-bit, 64-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
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
Tjunction	90 °C	90 °C
Supported instruction setsKnown for one	Unknown — not stated by the source	AES, SSE2, SSE3, SSE4.1, SSE4.2, SSSE3
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	Yes
UARTKnown for one	Unknown — not stated by the source	Yes
Memoryidentical
Internal memory	2 GB	2 GB
Internal memory typeKnown for one	LPDDR3-SDRAM	Unknown — not stated by the source
Storage2 differ
Internal storage capacityDiffers	32 GB	16 GB
Storage mediaDiffers	SSD	Flash
Card reader integrated	Yes	Yes
Compatible memory cards	MicroSD (TransFlash)	MicroSD (TransFlash)
Maximum memory card sizeKnown for one	Unknown — not stated by the source	64 GB
Graphicsidentical
Graphics card family	Intel	Intel
Graphics cardKnown for one	HD Graphics	Unknown — not stated by the source
Audio1 differ
Built-in speaker(s)	Yes	Yes
Built-in microphone	Yes	Yes
Audio systemDiffers	High Deﬁnition (HD)	SonicMaster
Cameraidentical
Rear camera type	Single camera	Single camera
Rear camera	Yes	Yes
Rear camera resolutionKnown for one	2592 x 1944 pixels	Unknown — not stated by the source
Maximum video resolutionKnown for one	1920 x 1080 pixels	Unknown — not stated by the source
Video recording	Yes	Yes
Front camera	Yes	Yes
Rear camera resolution (numeric)Known for one	Unknown — not stated by the source	5 MP
Video recording modesKnown for one	Unknown — not stated by the source	720p
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	1.2 MP
Network4 differ
Mobile network connection	Yes	Yes
Mobile network generationDiffers	3G	4G
3G standardsDiffers	HSDPA, HSPA+, HSUPA, WCDMA	WCDMA
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Top Wi-Fi standardDiffers	Wi-Fi 4 (802.11n)	Wi-Fi 5 (802.11ac)
Wi-Fi standardsDiffers	802.11a, 802.11b, 802.11g	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
4G standardKnown for one	Unknown — not stated by the source	LTE
Ports & interfaces1 differ
USB 2.0 ports quantity	0	0
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
Headphone outDiffers	Yes	No
Mini-USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1
Microphone inKnown for one	Unknown — not stated by the source	No
Combo headphone/mic portKnown for one	Unknown — not stated by the source	Yes
Design1 differ
Form factor	Slate	Slate
Product colourDiffers	Grey	White
Device type	Mobile tablet	Mobile tablet
Performanceidentical
Position location	Yes	Yes
Assisted GPS (A-GPS)Known for one	Yes	Unknown — not stated by the source
GLONASS	Yes	Yes
GPS (satellite)	Yes	Yes
Trusted Platform Module (TPM)Known 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	4.4
Processor special featuresidentical
Embedded options available	No	No
Intel 64	Yes	Yes
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)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
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 Key	Yes	Yes
Intel® Turbo Boost TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
Enhanced Intel SpeedStep TechnologyKnown for one	Unknown — not stated by the source	Yes
Execute Disable BitKnown for one	Unknown — not stated by the source	Yes
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Intel Smart Idle TechnologyKnown for one	Unknown — not stated by the source	Yes
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Battery1 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Battery capacityDiffers	18.6 Wh	15.2 Wh
Number of battery cellsKnown for one	2	Unknown — not stated by the source
Battery voltageKnown for one	3.75 V	Unknown — not stated by the source
Continuous video playback time (max)Known for one	8 h	Unknown — not stated by the source
Battery life (max)Known for one	Unknown — not stated by the source	9 h
Poweridentical
AC adapter powerKnown for one	10 W	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	218.9 mm	123 mm
DepthDiffers	134.9 mm	213 mm
HeightDiffers	10.8 mm	7.45 mm
WeightDiffers	425 g	299 g
Packaging contentidentical
Keyboard included	No	No
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Cables includedKnown for one	Unknown — not stated by the source	USB
ManualKnown for one	Unknown — not stated by the source	Yes
Warranty cardKnown for one	Unknown — not stated by the source	Yes
Other features2 differ
2G standardsDiffers	Edge, GPRS, GSM	Edge, GSM
Processor socketKnown for one	BGA 1380	Unknown — not stated by the source
Wi-Fi	Yes	Yes
Processor ARK IDDiffers	76759	81194
Sensorsidentical
Ambient light sensorKnown for one	Unknown — not stated by the source	Yes
GyroscopeKnown for one	Unknown — not stated by the source	Yes
Electronic compassKnown for one	Unknown — not stated by the source	Yes

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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