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Product comparison · 2 tablets

Acer Iconia W4-821-Z3742G03aii vs Haier PAD E803

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  • 35specifications compared
  • 23differ
  • 12identical
  • 72known for one product only

Key differences

  • Display resolution
    • 1280 x 800 pixels
    • 1024 x 768 pixels
  • Native aspect ratio
    • 16:10
    • 4:3
  • Processor family
    • Intel Atom®
    • Rockchip
  • Processor model
    • Z3740
    • RK3026
  • Processor cores
    • 4
    • 2
  • Processor frequency
    • 1.33 GHz
    • 1.4 GHz
  • Internal memory
    • 2 GB
    • 0.5 GB
  • Internal memory type
    • LPDDR3-SDRAM
    • DDR3-SDRAM

Side by side

Differences highlightedShow differences only
107 specifications
A

Acer

Iconia W4-821-Z3742G03aii

Model W4-821-Z3742G03aii

View product
B

Haier

PAD E803View product
Display2 differ
Display diagonal20.3 cm (8")20.3 cm (8")
Panel typeKnown for oneIPS
Display resolutionDiffers1280 x 800 pixels1024 x 768 pixels
LED backlightKnown for oneYes
Touch technologyMulti-touchMulti-touch
Native aspect ratioDiffers16:104:3
Processor4 differ
Processor manufacturerKnown for oneIntel
Processor familyDiffersIntel Atom®Rockchip
Processor modelDiffersZ3740RK3026
Processor coresDiffers42
Processor threadsKnown for one4
Processor boost frequencyKnown for one1.86 GHz
Processor frequencyDiffers1.33 GHz1.4 GHz
Processor cacheKnown for one2 MB
Processor cache typeKnown for oneL2
Conflict-Free processorKnown for oneYes
Graphics & IMC lithographyKnown for one22 nm
Processor codeKnown for oneSR1M5
Processor codenameKnown for oneBay Trail
Processor lithographyKnown for one22 nm
Processor operating modesKnown for one32-bit, 64-bit
Processor package sizeKnown for one17 x 17 mm
Processor seriesKnown for oneIntel Atom Z3700 Series
Scenario Design Power (SDP)Known for one2 W
SteppingKnown for oneB2
Thermal Design Power (TDP)Known for one2 W
TjunctionKnown for one90 °C
Processor architectureKnown for oneARM Cortex-A9
Memory2 differ
Internal memoryDiffers2 GB0.5 GB
Internal memory typeDiffersLPDDR3-SDRAMDDR3-SDRAM
Storage2 differ
Internal storage capacityDiffers32 GB4 GB
Storage mediaDiffersSSDFlash
Card reader integratedYesYes
Compatible memory cardsMicroSD (TransFlash)MicroSD (TransFlash)
Maximum memory card sizeKnown for one32 GB
Graphicsidentical
Graphics card familyKnown for oneIntel
Graphics cardKnown for oneHD Graphics
Audioidentical
Built-in speaker(s)YesYes
Built-in microphoneYesYes
Audio systemKnown for oneHigh Definition (HD)
Cameraidentical
Rear camera typeKnown for oneSingle camera
Rear cameraKnown for oneYes
Rear camera resolutionKnown for one2592 x 1944 pixels
Maximum video resolutionKnown for one1920 x 1080 pixels
Video recordingKnown for oneYes
Front cameraYesYes
Front camera resolution (numeric)Known for one0.3 MP
Network1 differ
Mobile network connectionKnown for oneYes
Mobile network generationKnown for one3G
3G standardsKnown for oneHSDPA, HSPA+, HSUPA, WCDMA
BluetoothKnown for oneYes
Bluetooth versionKnown for one4.0
Top Wi-Fi standardWi-Fi 4 (802.11n)Wi-Fi 4 (802.11n)
Wi-Fi standardsDiffers802.11a, 802.11b, 802.11g802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ports & interfacesidentical
USB 2.0 ports quantity00
Micro-USB 2.0 ports quantityKnown for one1
HDMI ports quantity00
Micro HDMI ports quantityKnown for one1
Headphone outYesYes
Microphone inKnown for oneNo
Headphone connectivityKnown for one3.5 mm
Combo headphone/mic portKnown for oneNo
Design2 differ
Form factorDiffersSlateSlider
Product colourDiffersGreyBlack, White
Device typeMobile tabletMobile tablet
Performance2 differ
Position locationDiffersYesNo
Assisted GPS (A-GPS)Known for oneYes
GLONASSKnown for oneYes
GPS (satellite)DiffersYesNo
Trusted Platform Module (TPM)Known for oneYes
Software2 differ
PlatformDiffersWindowsAndroid
Operating system installedDiffersWindows 8.1Android
Operating system architectureKnown for one32-bit
Operating system versionKnown for one4.4 Kit Kat
Processor special featuresidentical
Embedded options availableKnown for oneNo
Intel 64Known for oneYes
Intel Identity Protection Technology versionKnown for one1.00
Intel Secure Key Technology versionKnown for one1.00
Intel Virtualization Technology (VT-x)Known for oneYes
Intel® AES New Instructions (Intel® AES-NI)Known for oneYes
Intel® Anti-Theft Technology (Intel® AT)Known for oneYes
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneYes
Intel® Identity Protection Technology (Intel® IPT)Known for oneYes
Intel® Insider™Known for oneYes
Intel® Quick Sync Video TechnologyKnown for oneYes
Intel® Secure KeyKnown for oneYes
Intel® Turbo Boost TechnologyKnown for oneNo
Intel® Wireless Display (Intel® WiDi)Known for oneYes
Battery2 differ
Battery technologyKnown for oneLithium-Ion (Li-Ion)
Battery capacityDiffers18.6 Wh3600 mAh
Number of battery cellsKnown for one2
Battery voltageDiffers3.75 V3.7 V
Continuous video playback time (max)Known for one8 h
Standby timeKnown for one192 h
Poweridentical
AC adapter powerKnown for one10 W
Weight & dimensions4 differ
WidthDiffers218.9 mm200 mm
DepthDiffers134.9 mm155 mm
HeightDiffers10.8 mm11 mm
WeightDiffers425 g420 g
Packaging contentidentical
Keyboard includedKnown for oneNo
ManualKnown for oneYes
Other featuresidentical
2G standardsKnown for oneEdge, GPRS, GSM
Processor socketKnown for oneBGA 1380
Wi-FiKnown for oneYes
Processor ARK IDKnown for one76759
Media formatsidentical
Audio formats supportedKnown for oneMP3, OGG, WAV, FLAC, APE, AAC
Video formats supportedKnown for oneH.263, H.264, MPEG4, WMV

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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