Samsung SGH-Z620 vs Xiaomi Redmi 2A
| Type | Clamshell | Touch |
| Dimensions | 103.00 x 54.00 x 11.80 mm | 134.00 x 67.20 x 9.40 mm |
| Weight | 96.50 g |  |
| Display size | 2.30" | 4.70" |
| Display | Color / TFT 256k colors 240 x 320 px (2.30") 174 ppi | Color / IPS TFT 16M colors 720 x 1280 px (4.70") 312 ppi |
| Display protection |   | |
| Additional display | Mono / OLED 96 x 16 px | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 330 min. (5.5 h) | |
| Stand-by (max.) | 2G: 250 h. (10.4 days) | |
| Standard battery | Li-Ion 900 mAhBuy powerbank
| Li-Ion 2200 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Phonebook memory | 1000 places | |
| Internal memory | 20 MB | 8 GB |
| RAM memory | | 1 GB |
| Memory cards |  microSD | microSD, microSDHC up to 32 GBBuy memory card |
| Operating system | - | Android 4.4.4 KitKat |
| Interface | - | MIUI 6 |
| Processor | - | Leadcore LC1860C |
| Processor clock | - | 1500 MHz |
| GPU | - | ARM Mali-T628 MP2 |
| Touchscreen | | |
| SAR (10g) | 0,38 W/kg | |
| DualSIM | | |
| SIM cards standard | | DualSIM(microSIM, microSIM) |
| Hybrid DualSIM | nd | |
| Announced | | 2Q 2015 |
| Other names | - | Hongmi 2A |
| GSM frequencies | 900 1800 1900 | 900 1800 1900 |
| UMTS | 2100 | 850 900 1900 2100 |
| LTE standard | | TDD LTE: 2600, 2500, 2300, 1900 |
| CDMA | | 850 1900 CDMA2000 1xEV-DO |
| Standard TD-SCDMA | | 1900 2000 |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 2 Mpx | 8 Mpx |
| Resolution | 1600x1200 px | 3264x2448 px |
| Optical zoom | | |
| Digital zoom | 3x | |
| Flash | LED | LED |
| Dual-colour LED flash | | |
| Video resolution | 320x240 px | 1920x1080 px |
| Video formats | MPEG4, H.263 | H.263, H.264, MPEG4 |
| Additional | - | AF |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | | 2 Mpx |
| Resolution | 640x480 px | 1600x1200 px |
| Optical zoom | | |
| Flash | | |
| Dual-colour LED flash | | |
| Video formats | nd | H.263, H.264, MPEG4 |
| Additional | - | FF |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | v2.0 | v2.0 |
| HSCSD | | |
| HSDPA | | 42.00 Mbit/s |
| HSUPA | | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v2.0 | v4.0 LE |
| A2DP Profile | | |
| HDMI | | |
| WiFi | | v802.11 b/g/n |
| WiFi frequencies | | 2,4 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v1.1 | 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 | T9 | OTHER |
| Swype | | |
| e-mail client | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | | 3.5 mm |
| HD Voice | | |
| Sound formats | AAC, AAC+, eAAC+ | AAC, AAC+, AMR, OGG, eAAC+ |
| Polyphony | 64 voices | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | MIDP 2.0 | Dalvik |
| 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 | | |
