Product comparison · 2 tablets

Acer Iconia A1-830 Intel Atom® vs Acer Iconia W4-821

77specifications compared
36differ
41identical
59known for one product only

Key differences

Display diagonal
- Iconia A1-830 Intel Atom®:20.1 cm (7.9")
- Iconia W4-821:20.3 cm (8")
Display resolution
- Iconia A1-830 Intel Atom®:1024 x 768 pixels
- Iconia W4-821:1280 x 800 pixels
Processor model
- Iconia A1-830 Intel Atom®:Z2560
- Iconia W4-821:Z3740
Processor cores
- Iconia A1-830 Intel Atom®:2
- Iconia W4-821:4
Processor boost frequency
- Iconia A1-830 Intel Atom®:1.6 GHz
- Iconia W4-821:1.86 GHz
Processor cache
- Iconia A1-830 Intel Atom®:1 MB
- Iconia W4-821:2 MB
Processor cache type
- Iconia A1-830 Intel Atom®:Smart Cache
- Iconia W4-821:L2
Graphics & IMC lithography
- Iconia A1-830 Intel Atom®:32 nm
- Iconia W4-821:22 nm

Side by side

Differences highlightedShow differences only

Comparison of A1-830, W4-821
136 specifications	A Acer Iconia A1-830 Intel Atom® Model A1-830 View product	B Acer Iconia W4-821 Model W4-821 View product
Display2 differ
Display diagonalDiffers	20.1 cm (7.9")	20.3 cm (8")
Panel type	IPS	IPS
Display resolutionDiffers	1024 x 768 pixels	1280 x 800 pixels
LED backlight	Yes	Yes
Touch technology	Multi-touch	Multi-touch
Touchscreen typeKnown for one	Unknown — not stated by the source	Capacitive
Native aspect ratioKnown for one	4:3	Unknown — not stated by the source
Processor11 differ
Processor manufacturer	Intel	Intel
Processor family	Intel Atom®	Intel Atom®
Processor modelDiffers	Z2560	Z3740
Processor coresDiffers	2	4
Processor threads	4	4
Processor boost frequencyDiffers	1.6 GHz	1.86 GHz
Processor frequencyKnown for one	Unknown — not stated by the source	1.33 GHz
Processor cacheDiffers	1 MB	2 MB
Processor cache typeDiffers	Smart Cache	L2
Conflict-Free processor	Yes	Yes
Graphics & IMC lithographyDiffers	32 nm	22 nm
Processor codeDiffers	SR145	SR1M5
Processor codenameKnown for one	Unknown — not stated by the source	Bay Trail
Processor lithographyDiffers	32 nm	22 nm
Processor operating modesDiffers	32-bit	32-bit, 64-bit
Processor package sizeDiffers	14 x 14 mm	17 x 17 mm
Processor seriesKnown for one	Unknown — not stated by the source	Intel Atom Z3700 Series
Scenario Design Power (SDP)Known for one	Unknown — not stated by the source	2 W
SteppingDiffers	B1	B2
Thermal Design Power (TDP)Known for one	Unknown — not stated by the source	2 W
Tjunction	90 °C	90 °C
Supported instruction setsKnown for one	SSE2, SSE3, SSSE3	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
UARTKnown for one	Yes	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	1 GB	2 GB
Internal memory typeDiffers	DDR2-SDRAM	LPDDR3-SDRAM
Maximum internal memoryDiffers	1 GB	2 GB
Storage3 differ
Internal storage capacityDiffers	16 GB	64 GB
Storage media	Flash	Flash
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MicroSD (TransFlash), MicroSDHC	MicroSD (TransFlash), MicroSDHC, MicroSDXC
Maximum memory card sizeDiffers	32 GB	64 GB
Graphicsidentical
Graphics card family	Intel	Intel
Graphics cardKnown for one	Unknown — not stated by the source	HD Graphics
Audioidentical
Built-in speaker(s)	Yes	Yes
Built-in microphone	Yes	Yes
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Cameraidentical
Rear camera type	Single camera	Single camera
Rear camera	Yes	Yes
Maximum video resolutionKnown for one	Unknown — not stated by the source	1920 x 1080 pixels
Video recordingKnown for one	Unknown — not stated by the source	Yes
Video recording modesKnown for one	Unknown — not stated by the source	1080p
Front camera	Yes	Yes
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	2 MP
Network2 differ
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	HSDPA, HSPA, HSPA+, HSUPA
Bluetooth	Yes	Yes
Bluetooth versionDiffers	3.0+HS	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)	802.11a, 802.11b, 802.11g
Ethernet LAN	No	No
Ports & interfacesidentical
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	0
Micro-USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
HDMI ports quantity	0	0
Micro HDMI ports quantityKnown for one	Unknown — not stated by the source	1
Ethernet LAN (RJ-45) ports	0	0
Microphone in	No	No
SmartCard slot	No	No
Headphone outKnown for one	Unknown — not stated by the source	Yes
Headphone connectivityKnown for one	Unknown — not stated by the source	3.5 mm
Combo headphone/mic port	No	No
DC-in jack	No	No
Design1 differ
Form factor	Slate	Slate
Product colourDiffers	White	Grey
Device type	Mobile tablet	Mobile tablet
Performanceidentical
Position location	Yes	Yes
Assisted GPS (A-GPS)Known for one	Unknown — not stated by the source	Yes
GLONASSKnown for one	Unknown — not stated by the source	Yes
GPS (satellite)	Yes	Yes
Sensorsidentical
AccelerometerKnown for one	Unknown — not stated by the source	Yes
Ambient light sensorKnown for one	Unknown — not stated by the source	Yes
GyroscopeKnown for one	Unknown — not stated by the source	Yes
Orientation sensorKnown for one	Unknown — not stated by the source	Yes
Proximity sensorKnown for one	Unknown — not stated by the source	Yes
Electronic compassKnown for one	Unknown — not stated by the source	Yes
Securityidentical
Fingerprint reader	No	No
Software2 differ
PlatformDiffers	Android	Windows
Operating system installedDiffers	Android	Windows 8.1
Processor special features2 differ
Embedded options available	No	No
Enhanced Intel SpeedStep TechnologyDiffers	Yes	No
Intel 64Known for one	Unknown — not stated by the source	Yes
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Secure Key Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Smart Connect TechnologyKnown for one	Unknown — not stated by the source	No
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Anti-Theft Technology (Intel® AT)Known for one	Unknown — not stated by the source	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Unknown — not stated by the source	Yes
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Intel® Insider™Known for one	Unknown — not stated by the source	Yes
Intel® Quick Sync Video TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Rapid Start TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
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® Turbo Boost Technology	No	No
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	Yes
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Intel Smart Idle TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Smart Idle Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel® High Definition Audio (Intel® HD Audio)Known for one	Yes	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Yes	Unknown — not stated by the source
Physical Address Extension (PAE)Known for one	Yes	Unknown — not stated by the source
Battery3 differ
Battery technology	Lithium Polymer (LiPo)	Lithium Polymer (LiPo)
Battery capacityDiffers	4000 mAh	18.6 Wh
Number of battery cellsDiffers	1	2
Battery life (max)Differs	7.5 h	8 h
Continuous video playback time (max)Known for one	Unknown — not stated by the source	8 h
Browsing time (Wi-Fi) (max)Known for one	Unknown — not stated by the source	10 h
Poweridentical
AC adapter power	10 W	10 W
AC adapter input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
AC adapter frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Weight & dimensions4 differ
WidthDiffers	138.4 mm	218.9 mm
DepthDiffers	203 mm	134.9 mm
HeightDiffers	8.2 mm	10.8 mm
WeightDiffers	380 g	415 g
Packaging content1 differ
AC adapter included	Yes	Yes
Keyboard included	No	No
Cables includedDiffers	Yes	AC
Quick start guide	Yes	Yes
Other features2 differ
2G standardsKnown for one	Unknown — not stated by the source	Edge, GPRS
Docking connector	No	No
Intel® Virtualization Technology (Intel® VT)Known for one	Unknown — not stated by the source	VT-x
Processor socketDiffers	FC-MB4760	BGA 1380
Wi-Fi	Yes	Yes
Processor ARK IDDiffers	70101	76759

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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