Motorola KRZR k3 vs Motorola KRZR k1
| Type | Clamshell | Clamshell |
| Dimensions | 104.20 x 42.30 x 16.30 mm | 103.00 x 42.00 x 16.00 mm |
| Weight | 110.00 g | 103.00 g |
| Display size | 2.20" | 1.90" |
| Display | Color / TFT 256k colors 320 x 240 px (2.20") | Color / TFT 256k colors 176 x 220 px (1.90") |
| Display protection |   | |
| Additional display | Color / TFT 64k colors 120 x 160 px (1.30") | Color / CSTN 64k colors 96 x 80 px |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 230 min. (3.8 h) | 2G: 400 min. (6.7 h) |
| Stand-by (max.) | 2G: 450 h. (18.8 days) | 2G: 300 h. (12.5 days) |
| Standard battery | Li-Ion 910 mAhBuy powerbank
| Li-Ion 700 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Internal memory | 50 MB | 20 MB |
| Memory cards |  microSD | microSD up to 2 GBBuy memory card |
| Touchscreen | | |
| DualSIM | | |
| Announced |  | 1Q 2007 |
| Other names | - | - |
| GSM frequencies | 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 2100 | |
| LTE standard | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 2 Mpx | 2 Mpx |
| Resolution | 1600x1200 px | 1600x1200 px |
| Optical zoom | | |
| Digital zoom | 8x | 8x |
| Flash | | |
| Dual-colour LED flash | | |
| Video formats | MPEG4 - 15 fps | MPEG4 |
| Additional | - | - |
CAMERAS - FRONT
| First camera | | |
| Resolution | 640x480 px | nd |
| Optical zoom | | nd |
| Flash | | nd |
| Dual-colour LED flash | | nd |
| Additional | - | nd |
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 | | |
| HSUPA | | |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | class 12 | class 10 |
| EDGE | class 12 | class 12 |
| Bluetooth | v2.0 | v2.0 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | | |
| WiFi frequencies | | |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v2.0 | v2.0 |
| GPS | | |
| Beidou | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | iTAP | iTAP |
| Swype | | |
| e-mail client | POP3, IMAP | |
| Hardware QWERTY keyboard | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | | |
| HD Voice | | |
| Sound formats | AAC, AAC+, WAV | AAC, AAC+, eAAC+ |
| Polyphony | | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | MIDP 2.0 | MIDP 2.0 |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | | |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |