CAT B25 vs CAT B15
| Type | Bar (classic) | Touch |
| Waterproofness & dust-resistance | IP67 | IP67 |
| Dimensions | 125.00 x 57.00 x 22.00 mm | 125.00 x 69.50 x 14.95 mm |
| Weight | 161.00 g | 170.00 g |
| Display size | 2.00" | 4.00" |
| Display | Color / TFT 240 x 320 px (2.00") 200 ppi | Color / TFT 16M colors 480 x 800 px (4.00") 233 ppi |
| Display protection |   | Corning Gorilla Glass Buy screen protector
|
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 570 min. (9.5 h) | 2G: 960 min. (16.0 h) |
| Stand-by (max.) | 2G: 312 h. (13.0 days) | 2G: 624 h. (26.0 days) |
| Standard battery | Li-Ion 1300 mAhBuy powerbank
| Li-Ion 2000 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Phonebook memory | 500 places |  |
| Internal memory | 512 MB | 4 GB |
| RAM memory | 256 MB | 1 GB |
| Memory cards |  microSD up to 8 GBBuy memory card | microSD, microSDHC up to 32 GBBuy memory card |
| Operating system | - | Android 4.1 Jelly Bean |
| Processor | MediaTek MT6235 | MediaTek MT6577 |
| Processor clock | 208 MHz | 1000 MHz |
| GPU | - | PowerVR SGX531 @522 MHz |
| Touchscreen | | |
| DualSIM | | |
| SIM cards standard | DualSIM(miniSIM, miniSIM) | |
| Hybrid DualSIM | | |
| Other names | - | B15 AWS |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | | 850 900 1900 2100 |
| LTE standard | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 2 Mpx | 5 Mpx |
| Resolution | 1600x1200 px | 2592x1944 px |
| Optical zoom | | |
| Flash | LED | |
| Dual-colour LED flash | | |
| Video formats | H.263, MPEG4 | H.263, H.264 |
| Additional | - | AF |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | nd | 0.3 Mpx |
| Resolution | nd | 640x480 px |
| Optical zoom | nd | |
| Flash | nd | |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.263, H.264 |
| 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 | | 7.20 Mbit/s |
| HSUPA | | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v2.1 | v3.0 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | | v802.11 b/g/n |
| WiFi frequencies | | 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 | iTAP | XT9 |
| Swype | | |
| e-mail client | | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | | 3.5 mm |
| HD Voice | | |
| Sound formats | | AAC, AMR, APE, OGG, WAV |
| Polyphony | | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | | 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 | | |