Siemens A57 vs Vivo iQOO 12
| Type | Bar (classic) | Touch |
| Dimensions | 103.00 x 46.00 x 21.50 mm | 163.22 x 75.88 x 8.35 mm |
| Weight | 84.00 g | 198.50 g |
| Display size | - | 6.78" |
| Display | Mono / STN 101 x 64 px | Color / AMOLED 1,07G colors 144 Hz 1260 x 2800 px (6.78") 453 ppi |
| Display protection |   | |
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 300 min. (5.0 h) | 4G: 1140 min. (19.0 h) |
| Stand-by (max.) | 2G: 250 h. (10.4 days) | 4G: 448 h. (18.7 days) |
| Standard battery | Li-Ion 700 mAhBuy powerbank
| Li-Po 5000 mAhBuy powerbank
|
| Quick battery charging | |  |
| Wireless battery charging | | |
| Phonebook memory | 50 places |  |
| Internal memory | | 256 GB, 512 GB, 1000 GB |
| RAM memory | | 12 GB, 16 GB |
| Memory cards | | |
| Operating system | - | Android 14 |
| Interface | - | OriginOS 4 |
| Processor | - | Qualcomm Snapdragon 8 Gen 3 SM8650 |
| Processor clock | - | 3300 MHz |
| GPU | - | Adreno 750 |
| Touchscreen | | |
| SAR (10g) | 0,46 W/kg | |
| DualSIM | | |
| SIM cards standard | | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | nd | dual standby |
| Hybrid DualSIM | nd | |
| Announced | | 4Q 2023 |
| Other names | - | V2307A |
| GSM frequencies | 900 1800 | 850 900 1800 1900 |
| UMTS | | 850 900 1700 1900 2100 |
| LTE standard | | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300, 2100, 1900 |
| Standard 5G | | FDD 5G: 2100, 1800, 900, 850, 700 TDD 5G: 3700, 3500, 2600, 2500, 2300 |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Camera type | nd | Standard |
| Photo sensor model | nd | OmniVision OV50H |
| Photo matrix | nd | 50 Mpx |
| Sensor size | nd | 1/1,3 |
| Pixel size | nd | 1,197 µm |
| Resolution | nd | 8192x6144 px |
| Optical zoom | nd | |
| Focal length | nd | 23 mm |
| Flash | nd | LED |
| Dual-colour LED flash | nd | |
| Video resolution | nd | 7680x4320 px |
| Video formats | nd | H.264, H.265, MPEG4 |
| Additional | nd | AF, OIS, f/1.68 |
| Second camera | | |
| Camera type | nd | Telephoto |
| Photo matrix | nd | 64 Mpx |
| Optical zoom | nd | |
| Digital zoom | nd | 100x |
| Lossless zoom | nd | 3x |
| Focal length | nd | 70 mm |
| Flash | nd | LED |
| Dual-colour LED flash | nd | |
| Video resolution | nd | 1/2 px |
| Additional | nd | AF, f/2.57 |
| Third camera | | |
| Camera type | nd | Wide-angle |
| Photo matrix | nd | 50 Mpx |
| Optical zoom | nd | |
| Field of view | nd | 119 ° |
| Focal length | nd | 15 mm |
| Flash | nd | LED |
| Dual-colour LED flash | nd | |
| Additional | nd | AF, OIS, f/2.0 |
CAMERAS - FRONT
| First camera | | |
| Camera type | nd | Portrait |
| Photo matrix | nd | 16 Mpx |
| Optical zoom | nd | |
| Flash | nd | |
| Dual-colour LED flash | nd | |
| Additional | nd | FF, f/2.45 |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | v1.2.1 | v2.0 |
| HSCSD | | |
| HSDPA | | 42.20 Mbit/s |
| HSUPA | | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | | v5.4 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | | v802.11 a/b/g/n/ac/ax/be |
| WiFi frequencies | | 2,4 GHz; 5 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | | v2.0 Type-C |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| Galileo | | |
| QZSS | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | T9 | T9 |
| Swype | | |
| e-mail client | | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | 2 |
| Audio Jack | | |
| HD Voice | | |
| Sound formats | | AAC, AAC+, AMR, APE, FLAC, MID, OGG, WAV, eAAC+ |
| Polyphony | | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | | 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 | | |