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Product comparison · 2 tablets

Acer Iconia B1-720-L804 Mediatek vs Acer Iconia W4-821

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  • 48specifications compared
  • 26differ
  • 22identical
  • 83known for one product only

Key differences

  • Display diagonal
    • 17.8 cm (7")
    • 20.3 cm (8")
  • Display resolution
    • 1024 x 600 pixels
    • 1280 x 800 pixels
  • Processor family
    • Mediatek
    • Intel Atom®
  • Processor model
    • MT8111
    • Z3740
  • Processor cores
    • 2
    • 4
  • Processor frequency
    • 1.3 GHz
    • 1.33 GHz
  • Internal memory
    • 1 GB
    • 2 GB
  • Internal memory type
    • DDR3L-SDRAM
    • LPDDR3-SDRAM

Side by side

Differences highlightedShow differences only
131 specifications
A

Acer

Iconia B1-720-L804 Mediatek

Model B1-720-L804

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B

Acer

Iconia W4-821

Model W4-821

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Display2 differ
Display diagonalDiffers17.8 cm (7")20.3 cm (8")
Panel typeKnown for oneIPS
Display resolutionDiffers1024 x 600 pixels1280 x 800 pixels
LED backlightYesYes
Touch technologyMulti-touchMulti-touch
Touchscreen typeKnown for oneCapacitive
Processor4 differ
Processor manufacturerKnown for oneIntel
Processor familyDiffersMediatekIntel Atom®
Processor modelDiffersMT8111Z3740
Processor coresDiffers24
Processor threadsKnown for one4
Processor boost frequencyKnown for one1.86 GHz
Processor frequencyDiffers1.3 GHz1.33 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-A7
Memory2 differ
Internal memoryDiffers1 GB2 GB
Internal memory typeDiffersDDR3L-SDRAMLPDDR3-SDRAM
Maximum internal memoryKnown for one2 GB
Storage2 differ
Internal storage capacityDiffers8 GB64 GB
Storage mediaFlashFlash
Card reader integratedYesYes
Compatible memory cardsDiffersMicroSD (TransFlash), MicroSDHCMicroSD (TransFlash), MicroSDHC, MicroSDXC
Maximum memory card sizeKnown for one64 GB
Graphicsidentical
Graphics card familyKnown for oneIntel
Graphics cardKnown for oneHD Graphics
Audioidentical
Built-in speaker(s)YesYes
Built-in microphoneYesYes
Number of built-in speakersKnown for one2
Camera1 differ
Rear camera typeKnown for oneSingle camera
Rear cameraDiffersNoYes
Maximum video resolutionKnown for one1920 x 1080 pixels
Video recordingKnown for oneYes
Video recording modesKnown for one1080p
Front cameraYesYes
Front camera resolution (numeric)Known for one2 MP
Networkidentical
Mobile network connectionKnown for oneYes
Mobile network generationKnown for one3G
3G standardsKnown for oneHSDPA, HSPA, HSPA+, HSUPA
BluetoothYesYes
Bluetooth versionKnown for one4.0
Top Wi-Fi standardKnown for oneWi-Fi 4 (802.11n)
Wi-Fi standardsKnown for one802.11a, 802.11b, 802.11g
Ethernet LANKnown for oneNo
Ports & interfacesidentical
USB 2.0 ports quantity00
Micro-USB 2.0 ports quantity11
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one0
HDMI ports quantity00
Micro HDMI ports quantityKnown for one1
Ethernet LAN (RJ-45) portsKnown for one0
Microphone inKnown for oneNo
SmartCard slotKnown for oneNo
Headphone outKnown for oneYes
Headphone connectivityKnown for one3.5 mm
Combo headphone/mic portKnown for oneNo
DC-in jackKnown for oneNo
Design1 differ
Form factorSlateSlate
Product colourDiffersBlackGrey
Device typeMobile tabletMobile tablet
Performance2 differ
Position locationDiffersNoYes
Assisted GPS (A-GPS)Known for oneYes
GLONASSKnown for oneYes
GPS (satellite)DiffersNoYes
Sensorsidentical
AccelerometerKnown for oneYes
Ambient light sensorKnown for oneYes
GyroscopeKnown for oneYes
Orientation sensorKnown for oneYes
Proximity sensorKnown for oneYes
Electronic compassKnown for oneYes
Securityidentical
Fingerprint readerKnown for oneNo
Software2 differ
PlatformDiffersAndroidWindows
Operating system installedDiffersAndroidWindows 8.1
Operating system versionKnown for one4.2
Processor special features3 differ
Embedded options availableKnown for oneNo
Enhanced Intel SpeedStep TechnologyKnown for oneNo
Intel 64Known for oneYes
Intel Identity Protection Technology versionKnown for one1.00
Intel Secure Key Technology versionKnown for one1.00
Intel Smart Connect TechnologyNoNo
Intel Virtualization Technology (VT-x)Known for oneYes
Intel® AES New Instructions (Intel® AES-NI)Known for oneYes
Intel® Anti-Theft Technology (Intel® AT)DiffersNoYes
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneYes
Intel® Identity Protection Technology (Intel® IPT)DiffersNoYes
Intel® Insider™Known for oneYes
Intel® Quick Sync Video TechnologyKnown for oneYes
Intel® Rapid Start TechnologyNoNo
Intel® Secure KeyKnown for oneYes
Intel® Small Business Advantage (Intel® SBA)NoNo
Intel® Smart Response TechnologyNoNo
Intel® Turbo Boost TechnologyNoNo
Intel® Wireless Display (Intel® WiDi)DiffersNoYes
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneNo
Intel® My WiFi Technology (Intel® MWT)Known for oneNo
Battery2 differ
Battery technologyLithium Polymer (LiPo)Lithium Polymer (LiPo)
Battery capacityDiffers2955 mAh18.6 Wh
Number of battery cellsDiffers12
Battery life (max)Known for one8 h
Continuous video playback time (max)Known for one8 h
Browsing time (Wi-Fi) (max)Known for one10 h
Power1 differ
AC adapter powerDiffers7 W10 W
AC adapter input voltageKnown for one100 - 240 V
AC adapter frequencyKnown for one50 - 60 Hz
Weight & dimensions4 differ
WidthDiffers122.3 mm218.9 mm
DepthDiffers10.7 mm134.9 mm
HeightDiffers199 mm10.8 mm
WeightDiffers315 g415 g
Packaging contentidentical
AC adapter includedKnown for oneYes
Keyboard includedNoNo
Cables includedKnown for oneAC
Quick start guideYesYes
Other featuresidentical
2G standardsKnown for oneEdge, GPRS
Docking connectorKnown for oneNo
Intel® Virtualization Technology (Intel® VT)Known for oneVT-x
Processor socketKnown for oneBGA 1380
Wi-FiYesYes
Processor ARK IDKnown for one76759
Certificatesidentical
Compliance certificatesKnown for oneRoHS
CertificationKnown for oneWEEE

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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