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Product comparison · 2 tablets

Acer Iconia B1-721-83121G01nkr vs Lenovo Idea Tab A7-40 Mediatek

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  • 41specifications compared
  • 15differ
  • 26identical
  • 50known for one product only

Key differences

  • Display resolution
    • 1024 x 600 pixels
    • 1280 x 800 pixels
  • Processor model
    • MT8312
    • MTK8121
  • Processor cores
    • 2
    • 4
  • Internal memory type
    • DDR3L-SDRAM
    • LPDDR2-SDRAM
  • Internal storage capacity
    • 16 GB
    • 8 GB
  • Front camera resolution (numeric)
    • 0.3 MP
    • 2 MP
  • Top Wi-Fi standard
    • 802.11b
    • Wi-Fi 4 (802.11n)
  • Headphone out
    • Yes
    • No

Side by side

Differences highlightedShow differences only
91 specifications
A

Acer

Iconia B1-721-83121G01nkr

Model B1-721-83121G01nkr

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B

Lenovo

Idea Tab A7-40 Mediatek

Model A7-40

View product
Display1 differ
Display diagonal17.8 cm (7")17.8 cm (7")
Panel typeKnown for oneIPS
Display resolutionDiffers1024 x 600 pixels1280 x 800 pixels
Touch technologyMulti-touchMulti-touch
Touchscreen typeKnown for oneCapacitive
Display technologyKnown for oneLCD
LED backlightKnown for oneYes
Native aspect ratioKnown for one128:75
Processor2 differ
Processor familyMediatekMediatek
Processor modelDiffersMT8312MTK8121
Processor coresDiffers24
Processor frequency1.3 GHz1.3 GHz
Processor architectureKnown for oneARM Cortex-A7
Memory1 differ
Internal memory1 GB1 GB
Internal memory typeDiffersDDR3L-SDRAMLPDDR2-SDRAM
Maximum internal memoryKnown for one1 GB
Storage1 differ
Internal storage capacityDiffers16 GB8 GB
Storage mediaFlashFlash
Card reader integratedYesYes
Compatible memory cardsMicroSD (TransFlash), MicroSDHCMicroSD (TransFlash), MicroSDHC
Maximum memory card sizeKnown for one32 GB
Audioidentical
Built-in speaker(s)YesYes
Built-in microphoneYesYes
Camera1 differ
Rear cameraKnown for oneNo
Front cameraYesYes
Front camera resolution (numeric)Differs0.3 MP2 MP
Network1 differ
BluetoothYesYes
Bluetooth version4.04.0
Top Wi-Fi standardDiffers802.11bWi-Fi 4 (802.11n)
Wi-Fi standards802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11b, 802.11g, Wi-Fi 4 (802.11n)
Mobile network connectionKnown for oneYes
Mobile network generationKnown for one3G
3G standardsKnown for oneHSPA+, WCDMA
WWANKnown for oneInstalled
Ports & interfaces1 differ
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
Mobile High-Definition Link (MHL)Known for oneNo
HDMI ports quantity00
Ethernet LAN (RJ-45) portsKnown for one0
Microphone inKnown for oneNo
SmartCard slotKnown for oneNo
Headphone outDiffersYesNo
Headphone connectivity3.5 mm3.5 mm
Combo headphone/mic portKnown for oneYes
Messagingidentical
E-mailKnown for oneYes
Design1 differ
Form factorSlateSlate
Product colourDiffersBlack, RedBlack
Device typeMobile tabletMobile tablet
Performanceidentical
Position locationYesYes
GPS (satellite)Known for oneYes
Google applicationsKnown for oneGoogle Play
Sensorsidentical
AccelerometerYesYes
Softwareidentical
PlatformAndroidAndroid
Operating system installedKnown for oneAndroid
Operating system versionKnown for one4.2
Processor special featuresidentical
Intel Smart Connect TechnologyKnown for oneNo
Intel® Anti-Theft Technology (Intel® AT)Known for oneNo
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneNo
Intel® Identity Protection Technology (Intel® IPT)Known for oneNo
Intel® My WiFi Technology (Intel® MWT)Known for oneNo
Intel® Rapid Start TechnologyKnown for oneNo
Intel® Small Business Advantage (Intel® SBA)Known for oneNo
Intel® Smart Response TechnologyKnown for oneNo
Intel® Turbo Boost TechnologyKnown for oneNo
Intel® Wireless Display (Intel® WiDi)Known for oneNo
Battery2 differ
Battery technologyDiffersLithium Polymer (LiPo)Lithium-Ion (Li-Ion)
Battery capacityDiffers2955 mAh3450 mAh
Number of battery cells11
Battery life (max)Known for one7.5 h
Continuous video playback time (max)Known for one5 h
Media formatsidentical
Audio formats supportedKnown for oneAMR, MP3, WMA
Image formats supportedKnown for oneJPG
Video formats supportedKnown for one3GP, AVI, FLV, H.263, H.264, MKV, MPEG4, WMV
Weight & dimensions4 differ
WidthDiffers122 mm121.2 mm
DepthDiffers199 mm9.9 mm
HeightDiffers11.4 mm198 mm
WeightDiffers323 g320 g
Packaging contentidentical
AC adapter includedYesYes
Keyboard includedNoNo
Cables includedKnown for oneUSB
ManualKnown for oneYes
Quick start guideKnown for oneYes
Warranty cardKnown for oneYes
Other featuresidentical
Docking connectorKnown for oneNo
Total storage capacityKnown for one8 GB
Wi-FiKnown for oneYes
2G standardsKnown for oneEdge, GPRS, GSM
Securityidentical
Fingerprint readerKnown for oneNo
Poweridentical
AC adapter powerKnown for one7 W
Certificatesidentical
Compliance certificatesKnown for oneRoHS

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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