Xiaomi Redmi Note 12 (China 128GB/8GB) vs Sony Ericsson Vivaz (U5a)
Side by side comparison between Xiaomi Redmi Note 12 vs Sony Ericsson Vivaz phones, differences, pros, cons and full specifications. What's the better?
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6.67"
AMOLED
AMOLED
1080x2400
48
MP
MP
8mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
What's the better phone? Xiaomi Redmi Note 12 (China 128GB/8GB)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
31 Advantages 
5 Advantages | 12 Common items in both devices |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| Accelerometer |
| Ambient light sensor |
| Hands-free calling |
| +5 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Redmi Note 12 (China 128GB/8GB) | Sony Ericsson Vivaz (U5a) | |
| Model | Redmi Note 12 (China 128GB/8GB) | Vivaz (U5a) |
| Other model names | Redmi Note 12 5G 22101317C | Sony Ericsson Vivaz U5A, SE Kurara |
| Country or region available |  China |    (Latin America), Canada, USA |
| Brand | Xiaomi | Sony Ericsson |
| Release date | 11/1/2022, Announced: 10/27/2022 | 3/4/2010 |
| Depth | 8 millimeters (0.31 inches) | 12.5 millimeters (0.49 inches) |
| Size (width x height) | 76.21 x 165.88 millimeters (3 x 6.53 in) | 51.7 x 107 millimeters (2.04 x 4.21 in) |
| Weight | 188 grams (6.58 ounces) | 97 grams (3.4 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | IP53 certified: protection against dust and splashing | Not supported |
📲 Display | ||
| Redmi Note 12 (China 128GB/8GB) | Sony Ericsson Vivaz (U5a) | |
| Display type | AMOLED | TFT LCD |
| Screen size | 6.67" inches | 3.2" inches |
| Screen-to-body ratio | ~85% (screen-to-body ratio) | ~51% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 360x640 pixels |
| Touchscreen | Capacitive Multitouch | Resistive Single touch 1-point |
| Pixel density (dot pitch) | 395 PPI | 229 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 120Hz | feature not registered |
| Display features | 450nits[typ], 1200nits[peak] 100% DCI P3 Touch Sampling Rate: 240Hz | feature not registered |
🤖 Operating System | ||
| Redmi Note 12 (China 128GB/8GB) | Sony Ericsson Vivaz (U5a) | |
| System version | Android 12 | Symbian 9.4 S60 5th Edition Symbian^1 |
| Firmware update | Android 15 | feature not registered |
| User Interface | MIUI 13 / 14 / HyperOS | feature not registered |
⚙️ Processor | ||
| Redmi Note 12 (China 128GB/8GB) | Sony Ericsson Vivaz (U5a) | |
| Chipset | 64bit: Qualcomm Snapdragon 4 Gen 1 (SM4375) (6nm) | 32bit |
| CPU | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A78 (Dual-core) 6x 1.8GHz ARM Cortex-A55 (Hexa-core) | Single-core, 1 processor: 1x 720MHz ARM Cortex-A8 (Single-core) |
| GPU graphical controller | Qualcomm Adreno 619 | PowerVR SGX530 |
| Performance (benchmark) | AnTuTu: 360847 (v9) Geekbench: 1998 (v5.1), 2017 (v6) | feature not registered |
💽 Memory and storage | ||
| Redmi Note 12 (China 128GB/8GB) | Sony Ericsson Vivaz (U5a) | |
| RAM memory | 8GB LPDDR4X | 256MB SDRAM |
| Internal storage | 128GB (101GB available) UFS 2.2 | 512MB (75MB available) |
| External storage | Not supported | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Redmi Note 12 (China 128GB/8GB) | Sony Ericsson Vivaz (U5a) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 10.2/2 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | CDMA 800, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1900/2100 | UMTS 850/1900/2100 |
| Primary 4G network | LTE Cat15 (1, 3, 5, 7, 8) TD-LTE (34, 38, 39, 40, 41) VoLTE | Not supported |
| Primary 5G network | SA/NSA (1, 3, 5, 8, 28, 41, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA |
| Secondary 2G network | CDMA 800, GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat15 (1, 3, 5, 7, 8) TD-LTE (34, 38, 39, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | Not supported |
📷 Camera | ||
| Redmi Note 12 (China 128GB/8GB) | Sony Ericsson Vivaz (U5a) | |
| Back camera (main camera) | (dual camera) 48 megapixels 2MP depth f/2.41.75µm | 8 megapixels |
| Main camera resolution | 8000x6000 pixels | 3264x2448 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | HD (1280x720) 24 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.76" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo on both cameras | Not supported |
| Camera extras | 1080p@30fps 720p@120fps (slow motion) | feature not registered |
📸 Front camera | ||
| Redmi Note 12 (China 128GB/8GB) | Sony Ericsson Vivaz (U5a) | |
| Front camera (secondary) | 8 megapixels | Not supported |
| Front camera resolution | 3264x2448 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/4" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Redmi Note 12 (China 128GB/8GB) | Sony Ericsson Vivaz (U5a) | |
| Loudspeaker | Mono sound (not stereo) 24-bit/192kHz | Supported |
| Active noise cancellation | 2 microphones | Not supported |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, WMV, 3GP, RV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WMA, WAV, RA, AAC, M4A |
🔌 Connectivity | ||
| Redmi Note 12 (China 128GB/8GB) | Sony Ericsson Vivaz (U5a) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | Proprietary TV-out |
| Bluetooth | 5.1 + A2DP/LE | 2.1 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g [wifi3] (2.4GHz) |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Redmi Note 12 (China 128GB/8GB) | Sony Ericsson Vivaz (U5a) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi Note 12 (China 128GB/8GB) | Sony Ericsson Vivaz (U5a) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Removable) EP500 |
| Battery capacity | 5000 mAh | 1200 mAh |
| Charger, watts | 33W Wired fast charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 5.3 hours |
| Standby | feature not registered | 440 hours (18.3 days) |
➕ Other features | ||
| Redmi Note 12 (China 128GB/8GB) | Sony Ericsson Vivaz (U5a) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | WAP, HTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White, Blue | • Colors: Black, Blue, Red, Gray, Light pink • 8GB microSD included • 3D stereo sound • Continuous autofocus • Touch capture • WisePilot navigation • Java framework |
☢️ Radiation rate | ||
| Redmi Note 12 (China 128GB/8GB) | Sony Ericsson Vivaz (U5a) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |