Xiaomi Redmi Note 12 (Global 256GB) vs Sony Ericsson Xperia mini (ST15a)
Side by side comparison between Xiaomi Redmi Note 12 vs Sony Ericsson Xperia mini phones, differences, pros, cons and full specifications. What's the better?
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6.67"
AMOLED
AMOLED
1080x2400
48
MP
MP
13mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
What's the better phone? Xiaomi Redmi Note 12 (Global 256GB)
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!
30 Advantages 
4 Advantages | 16 Common items in both devices |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| +9 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 (Global 256GB) | Sony Ericsson Xperia mini (ST15a) | |
| Model | Redmi Note 12 (Global 256GB) | Xperia mini (ST15a) |
| Other model names | Redmi Note 12 5G 22111317G (NFC) | Sony Xperia mini ST15, Sony Ericsson Smultron |
| Country or region available |   (Europe), (Global, International) |     (Latin America), Brazil, Canada, USA |
| Brand | Xiaomi | Sony Ericsson |
| Release date | 1/11/2023, Announced: 10/27/2022 | 8/1/2011 |
| Depth | 8 millimeters (0.31 inches) | 16 millimeters (0.63 inches) |
| Size (width x height) | 76.21 x 165.88 millimeters (3 x 6.53 in) | 52 x 88 millimeters (2.05 x 3.46 in) |
| Weight | 188 grams (6.58 ounces) | 99 grams (3.47 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 (Global 256GB) | Sony Ericsson Xperia mini (ST15a) | |
| Display type | AMOLED | TFT LED-Backlit LCD |
| Screen size | 6.67" inches | 3" inches |
| Screen-to-body ratio | ~85% (screen-to-body ratio) | ~58.6% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 320x480 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 395 PPI | 192 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Scratch-resistant glass |
| 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 (Global 256GB) | Sony Ericsson Xperia mini (ST15a) | |
| System version | Android 12 | Android 2.3.3 Gingerbread |
| Firmware update | Android 15 | Android 4.0.4 Ice Cream Sandwich ICS |
| User Interface | MIUI 13 / 14 / HyperOS | feature not registered |
⚙️ Processor | ||
| Redmi Note 12 (Global 256GB) | Sony Ericsson Xperia mini (ST15a) | |
| Chipset | 64bit: Qualcomm Snapdragon 4 Gen 1 (SM4375) (6nm) | 32bit: Qualcomm Snapdragon S2 MSM8255 |
| 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 1GHz Scorpion (Single-core) |
| GPU graphical controller | Qualcomm Adreno 619 | Qualcomm Adreno 205 |
| Performance (benchmark) | AnTuTu: 360847 (v9) Geekbench: 1998 (v5.1), 2017 (v6) | feature not registered |
💽 Memory and storage | ||
| Redmi Note 12 (Global 256GB) | Sony Ericsson Xperia mini (ST15a) | |
| RAM memory | 8GB LPDDR4X | 512MB LPDDR |
| Internal storage | 256GB (218GB available) UFS 2.2 | 1GB (320MB available) |
| External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Redmi Note 12 (Global 256GB) | Sony Ericsson Xperia mini (ST15a) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | 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 | 7.2/5.76 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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/2100 | UMTS 850/1900/2100 |
| Primary 4G network | LTE Cat15 (1, 3, 5, 7, 8, 20, 28, 32) TD-LTE (38, 40, 41) VoLTE | Not supported |
| Primary 5G network | SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/2100 | Not supported |
| Secondary 4G network | LTE Cat15 (1, 3, 5, 7, 8, 20, 28, 32) TD-LTE (38, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | Not supported |
📷 Camera | ||
| Redmi Note 12 (Global 256GB) | Sony Ericsson Xperia mini (ST15a) | |
| Back camera (main camera) | (triple camera) 48 megapixels 8MP ultrawide f/2.2118°1/4"1.12µm 2MP macro f/2.4 | 5 megapixels |
| Main camera resolution | 8000x6000 pixels | 2592x1944 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | HD (1280x720) |
| 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 (Global 256GB) | Sony Ericsson Xperia mini (ST15a) | |
| Front camera (secondary) | 13 megapixels | Not supported |
| Front camera resolution | 4128x3096 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.5 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3" inches | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Redmi Note 12 (Global 256GB) | Sony Ericsson Xperia mini (ST15a) | |
| Loudspeaker | Mono sound (not stereo) 24-bit/192kHz | Supported |
| Active noise cancellation | 2 microphones | Not supported |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Redmi Note 12 (Global 256GB) | Sony Ericsson Xperia mini (ST15a) | |
| 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) | Not supported |
| 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/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Redmi Note 12 (Global 256GB) | Sony Ericsson Xperia mini (ST15a) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi Note 12 (Global 256GB) | Sony Ericsson Xperia mini (ST15a) | |
| 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 | 4.5 hours |
| Standby | feature not registered | 320 hours (13.3 days) |
➕ Other features | ||
| Redmi Note 12 (Global 256GB) | Sony Ericsson Xperia mini (ST15a) | |
| 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 | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Matte Black, Mystique Blue, Frosted Green | • Colors: Black, Pink, Blue, White • 2GB microSD included • Sony Ericsson UX platform • Sony Ericsson Timescape • Sony Ericsson PlayNow • Wi-Fi hotspot • Java framework |
☢️ Radiation rate | ||
| Redmi Note 12 (Global 256GB) | Sony Ericsson Xperia mini (ST15a) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.78W/kg (head) |