Product comparison · 2 tablets

Acer Iconia A1-840 Intel Atom® vs MEDION LIFETAB S7851 ARM

48specifications compared
16differ
32identical
64known for one product only

Key differences

Display diagonal
- Iconia A1-840 Intel Atom®:20.1 cm (7.9")
- LIFETAB S7851 ARM:19.9 cm (7.85")
Display resolution
- Iconia A1-840 Intel Atom®:1280 x 800 pixels
- LIFETAB S7851 ARM:1024 x 768 pixels
Processor family
- Iconia A1-840 Intel Atom®:Intel Atom®
- LIFETAB S7851 ARM:ARM
Processor model
- Iconia A1-840 Intel Atom®:Z3735G
- LIFETAB S7851 ARM:Cortex-A9
Processor frequency
- Iconia A1-840 Intel Atom®:1.33 GHz
- LIFETAB S7851 ARM:1.6 GHz
Product colour
- Iconia A1-840 Intel Atom®:Silver, White
- LIFETAB S7851 ARM:Pink
Operating system version
- Iconia A1-840 Intel Atom®:KitKat 4.4
- LIFETAB S7851 ARM:4.4 KitKat
Battery capacity
- Iconia A1-840 Intel Atom®:17 Wh
- LIFETAB S7851 ARM:4800 mAh

Side by side

Differences highlightedShow differences only

Comparison of A1-840, S7851
112 specifications	A Acer Iconia A1-840 Intel Atom® Model A1-840 View product	B MEDION LIFETAB S7851 ARM Model S7851 View product
Display2 differ
Display diagonalDiffers	20.1 cm (7.9")	19.9 cm (7.85")
Panel type	IPS	IPS
Display resolutionDiffers	1280 x 800 pixels	1024 x 768 pixels
LED backlightKnown for one	Yes	Unknown — not stated by the source
Touch technology	Multi-touch	Multi-touch
Touchscreen typeKnown for one	Capacitive	Unknown — not stated by the source
Native aspect ratioKnown for one	16:10	Unknown — not stated by the source
Processor3 differ
Processor manufacturerKnown for one	Intel	Unknown — not stated by the source
Processor familyDiffers	Intel Atom®	ARM
Processor modelDiffers	Z3735G	Cortex-A9
Processor cores	4	4
Processor threadsKnown for one	4	Unknown — not stated by the source
Processor boost frequencyKnown for one	1.83 GHz	Unknown — not stated by the source
Processor frequencyDiffers	1.33 GHz	1.6 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	SR1UD	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	2.2 W	Unknown — not stated by the source
SteppingKnown for one	C0	Unknown — not stated by the source
Processor architectureKnown for one	Unknown — not stated by the source	ARM Cortex-A9
Memoryidentical
Internal memory	1 GB	1 GB
Internal memory typeKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Storage1 differ
Internal storage capacity	16 GB	16 GB
Storage mediaKnown for one	Flash	Unknown — not stated by the source
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MicroSD (TransFlash), MicroSDHC	MicroSD (TransFlash), MicroSDHC, MicroSDXC
Maximum memory card sizeKnown for one	32 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
Cameraidentical
Rear camera type	Single camera	Single camera
Rear camera	Yes	Yes
Rear camera resolution (numeric)	5 MP	5 MP
Maximum video resolutionKnown for one	1920 x 1080 pixels	Unknown — not stated by the source
Video recording	Yes	Yes
Video capturing speedKnown for one	30 fps	Unknown — not stated by the source
Front camera	Yes	Yes
Front camera resolution (numeric)	2 MP	2 MP
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	802.11b, 802.11g, Wi-Fi 4 (802.11n)	Wi-Fi 4 (802.11n)
Ethernet LANKnown for one	No	Unknown — not stated by the source
Ports & interfacesidentical
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
Ethernet LAN (RJ-45) portsKnown for one	0	Unknown — not stated by the source
Microphone inKnown for one	Yes	Unknown — not stated by the source
SmartCard slotKnown for one	No	Unknown — not stated by the source
Headphone out	Yes	Yes
Headphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
Combo headphone/mic portKnown for one	Yes	Unknown — not stated by the source
DC-in jack	Yes	Yes
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	0
Design1 differ
Form factor	Slate	Slate
Product colourDiffers	Silver, White	Pink
Device type	Mobile tablet	Mobile tablet
Performanceidentical
Position location	Yes	Yes
GPS (satellite)	Yes	Yes
Google applicationsKnown for one	Unknown — not stated by the source	Google Play
Sensorsidentical
GyroscopeKnown for one	Yes	Unknown — not stated by the source
Orientation sensor	Yes	Yes
Securityidentical
Fingerprint readerKnown for one	No	Unknown — not stated by the source
Software1 differ
Platform	Android	Android
Operating system installed	Android	Android
Operating system versionDiffers	KitKat 4.4	4.4 KitKat
Bundled softwareKnown for one	Gmail, Google+, Maps, Messenger, Play Store, Talk, YouTube, Currents, Chrome, Google Now	Unknown — not stated by the source
Trial softwareKnown for one	Unknown — not stated by the source	Kaspersky Tablet Security
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 Virtualization Technology (VT-x)Known for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost Technology	No	No
Intel Smart Connect TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Anti-Theft Technology (Intel® AT)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® Identity Protection Technology (Intel® IPT)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
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	No
Battery2 differ
Battery capacityDiffers	17 Wh	4800 mAh
Number of battery cellsKnown for one	1	Unknown — not stated by the source
Battery voltageKnown for one	3.7 V	Unknown — not stated by the source
Battery life (max)Differs	7.5 h	10 h
Continuous video playback time (max)Known for one	7.5 h	Unknown — not stated by the source
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)
Poweridentical
AC adapter powerKnown for one	10 W	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	215 mm	200 mm
DepthDiffers	130 mm	9 mm
HeightDiffers	8.5 mm	137 mm
WeightDiffers	360 g	370 g
Packaging content1 differ
AC adapter included	Yes	Yes
Keyboard included	No	No
Cables includedDiffers	Yes	Micro-USB
Headphones includedKnown for one	Unknown — not stated by the source	Yes
ManualKnown for one	Unknown — not stated by the source	Yes
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Warranty cardKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
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 socketKnown for one	BGA 592	Unknown — not stated by the source
Wi-Fi	Yes	Yes
Processor ARK IDKnown for one	80275	Unknown — not stated by the source

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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