Acer Iconia Tab A3-A20 vs Acer Iconia Tab 10 A3-A40
| Type | A tablet | A tablet |
| Dimensions | 171.10 x 256.00 x 8.90 mm | 259.00 x 167.50 x 8.99 mm |
| Weight | 520.00 g | 529.00 g |
| Display size | 10.10" | 10.10" |
| Display | Color / TFT 16M colors 1280 x 800 px (10.10") 149 ppi | Color / IPS TFT 16M colors 1200 x 1920 px (10.10") 224 ppi |
| Display protection |   | |
| Additional display | | |
| Protection of the secondary display | | |
| Playback time (max.) | nd | Video: 8 h (0.3 days) |
| Standard battery | Li-Po 5700 mAhBuy powerbank
| Li-Ion 6100 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Internal memory | 16 GB | 32 GB |
| RAM memory | 1 GB | 2 GB |
| Memory cards |  microSD, microSDHC up to 32 GBBuy memory card | microSD, microSDHC, microSDXC up to 128 GBBuy memory card |
| Operating system | Android 4.4 KitKat | Android 6.0 Marshmallow |
| Processor | MediaTek MT8127 | MediaTek MT8163 |
| Processor clock | 1300 MHz | 1500 MHz |
| GPU | ARM Mali-450 MP4 @600 MHz | ARM Mali-T720 MP2 @600MHz |
| Touchscreen | | |
| DualSIM | | |
| Announced | 1Q 2015 | 2Q 2016 |
| Other names | K1AY; K19H; K3NB; K1SR | - |
| GSM frequencies | | |
| UMTS | | |
| LTE standard | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 5 Mpx | 5 Mpx |
| Resolution | 2592x1944 px | 2592x1944 px |
| Optical zoom | | |
| Flash | | |
| Dual-colour LED flash | | |
| Video resolution |  | 1920x1080 px |
| Video formats | H.263, H.264, MPEG4 | |
| Additional | - | - |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | 2 Mpx | 2 Mpx |
| Resolution | 1600x1200 px | 1600x1200 px |
| Optical zoom | | |
| Flash | | |
| Dual-colour LED flash | | |
| Video resolution | nd | 1280x720 px |
| Additional | - | - |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | | |
| HSCSD | | |
| HSDPA | | |
| HSUPA | | |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v4.0 | v4.0 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 b/g/n | v802.11 a/b/g/n |
| WiFi frequencies | 2,4 GHz | 2,4 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v2.0 | v2.0 |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | | |
| Swype | | |
| e-mail client | | |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | 4 |
| Audio Jack | | 3.5 mm |
| HD Voice | | |
| Sound formats | | AAC, AAC+, AMR, WAV, eAAC+ |
| Polyphony | | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | Dalvik | ART |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | | |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |