Nokia Asha 503 vs Nokia Asha 501 Dual SIM
| Type | Touch | Touch |
| Dimensions | 102.60 x 60.60 x 12.70 mm | 99.20 x 58.00 x 12.10 mm |
| Weight | 110.20 g | 98.40 g |
| Display size | 3.00" | 3.00" |
| Display | Color / TFT 256k colors 240 x 320 px (3.00") 133 ppi | Color / TFT 256k colors 240 x 320 px (3.00") 133 ppi |
| Display protection |   | |
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 720 min. (12.0 h) 3G: 270 min. (4.5 h) | 2G: 1020 min. (17.0 h) |
| Stand-by (max.) | 3G: 840 h. (35.0 days) | 2G: 624 h. (26.0 days) |
| Standard battery | Li-Ion 1200 mAhBuy powerbank
| Li-Ion 1200 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Phonebook memory | 4000 places | 4000 places |
| RAM memory | 128 MB | 64 MB |
| Memory cards |  microSD, microSDHC up to 32 GBBuy memory card | microSD, microSDHC up to 32 GBBuy memory card |
| Operating system | Nokia Asha 1.2 | - |
| Touchscreen | | |
| DualSIM | | |
| SIM cards standard | SingleSIM(microSIM) | DualSIM(microSIM, microSIM) |
| Hybrid DualSIM | nd | |
| Announced | 4Q 2013 |  |
| Other names | - | RM-902 |
| GSM frequencies | 850 900 1800 1900 | 900 1800 |
| UMTS | 900 2100 | |
| LTE standard | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 5 Mpx | 3.2 Mpx |
| Resolution | 2592x1944 px | 2048x1536 px |
| Optical zoom | | |
| Digital zoom | 3x | 3x |
| Flash | LED | |
| Dual-colour LED flash | | |
| Video resolution | 320x240 px | 320x240 px |
| Video formats | MPEG4, H.263, H.264 - 15 fps | H.263, MPEG4 - 15 fps |
| Additional | - | - |
CAMERAS - FRONT
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 | 7.20 Mbit/s | |
| HSUPA | 5.76 Mbit/s | |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v3.0 | v3.0 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 b/g/n | v802.11 b/g |
| 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 | | v1.3 |
| Dictionary | XT9 | T9 |
| Swype | | |
| e-mail client | POP3, IMAP4, SMTP, IMAPS | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | 3.5 mm | 3.5 mm |
| HD Voice | | |
| Sound formats | 3GP, AAC, AMR, MIDI, MP4 | AAC, AAC+, AMR, eAAC+ |
| Polyphony | 32 voices | 32 voices |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | MIDP 2.1 | MIDP 2.1 |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | | v1.1.2 |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |