Xiaomi Redmi 8 (32GB) vs Sony Xperia U (ST25i)
Side by side comparison between Xiaomi Redmi 8 vs Sony Xperia U phones, differences, pros, cons and full specifications. What's the better?
,
6.22"
IPS
IPS
720x1520
12
MP
MP
8mp
3GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
3.5"
LED
LED
480x854
5
MP
MP
0.3mp
512MB
RAM
RAM
Dual-core
1320
mAh
mAh
(Removable)
What's the better phone? Xiaomi Redmi 8 (32GB)
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!
24 Advantages 
4 Advantages | 22 Common items in both devices |
| Plastic body, glass front |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| EIS: Digital stabilization |
| Capacitive |
| +15 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 8 (32GB) | Sony Xperia U (ST25i) | |
| Model | Redmi 8 (32GB) | Xperia U (ST25i) |
| Other model names | Xiaomi Redmi 8 (3GB RAM + 32GB) M1908C3IC, MZB8255IN | Sony Xperia U ST25, Sony Kumquat |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Xiaomi | Sony |
| Release date | 10/1/2019 | 5/7/2012, Announced: 2/1/2012 |
| Depth | 9.4 millimeters (0.37 inches) | 12 millimeters (0.47 inches) |
| Size (width x height) | 75.4 x 156.5 millimeters (2.97 x 6.16 in) | 54 x 112 millimeters (2.13 x 4.41 in) |
| Weight | 188 grams (6.58 ounces) | 110 grams (3.85 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | P2i certified: water repellent nano-coating | Not supported |
📲 Display | ||
| Redmi 8 (32GB) | Sony Xperia U (ST25i) | |
| Display type | TFT IPS LCD | TFT LED-Backlit LCD |
| Screen size | 6.22" inches | 3.5" inches |
| Screen-to-body ratio | ~81.8% (screen-to-body ratio) | ~55.8% (screen-to-body ratio) |
| Display resolution | 720x1520 pixels | 480x854 pixels (16:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 4-points |
| Pixel density (dot pitch) | 270 PPI | 280 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Scratch-resistant glass |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Redmi 8 (32GB) | Sony Xperia U (ST25i) | |
| System version | Android 9.0 Pie | Android 2.3.7 Gingerbread |
| Firmware update | feature not registered | Android 4.0.4 Ice Cream Sandwich ICS |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Redmi 8 (32GB) | Sony Xperia U (ST25i) | |
| Chipset | 64bit: Qualcomm Snapdragon 439 SDM439 (12nm) | 32bit: ST-Ericsson NovaThor U8500 (45nm) |
| CPU | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A53 (Dual-core) 6x 1.45GHz ARM Cortex-A53 (Hexa-core) | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 505 650Mhz | ARM Mali-400 MP1 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Redmi 8 (32GB) | Sony Xperia U (ST25i) | |
| RAM memory | 3GB LPDDR3 | 512MB LPDDR2 |
| Internal storage | 32GB (21GB available) eMMC 5.1 | 8GB (4GB available) |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Redmi 8 (32GB) | Sony Xperia U (ST25i) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 150/50 Mbps | 14.4/5.76 Mbps |
| Network technology | 2G, 3G, 4G | 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 | M1908C3IC version: UMTS 850/900/1700/1900/2100 MZB8255IN version: UMTS 850/900/1900/2100 | UMTS 900/2100 |
| Primary 4G network | LTE Cat4 VoLTE M1908C3IC version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 20) TD-LTE (Bands 38, 40) MZB8255IN version: LTE (Bands 1, 3, 5, 8) TD-LTE (Bands 40, 41) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Redmi 8 (32GB) | Sony Xperia U (ST25i) | |
| Back camera (main camera) | (dual camera) 12 megapixels 2MP depth | 5 megapixels |
| Main camera resolution | 4000x3000 pixels | 2592x1944 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | HD (1280x720) 30 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 | 1/2.55" inches | feature not registered |
| Pixel size | 1.4µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Redmi 8 (32GB) | Sony Xperia U (ST25i) | |
| Front camera (secondary) | 8 megapixels | 0.3 megapixels |
| Front camera resolution | 3264x2448 pixels | 640x480 pixels |
| Video recording (secondary) | Full HD (1920x1080) | VGA (640x480) |
| 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 | feature not registered | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Redmi 8 (32GB) | Sony Xperia U (ST25i) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV | MP4, H.263, H.264, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, eAAC+, WMA, WAV |
🔌 Connectivity | ||
| Redmi 8 (32GB) | Sony Xperia U (ST25i) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 2.1 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (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 8 (32GB) | Sony Xperia U (ST25i) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi 8 (32GB) | Sony Xperia U (ST25i) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) BA600 |
| Battery capacity | 5000 mAh | 1320 mAh |
| Charger, watts | 18W Wired fast charging | Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 28 hours (1.2 days) | 5.6 hours |
| Standby | feature not registered | 472 hours (19.7 days) |
➕ Other features | ||
| Redmi 8 (32GB) | Sony Xperia U (ST25i) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| 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 | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Onyx Black, Ruby Red, Sapphire Blue, Green • MIUI 9 | • Colors: Black, White • Exchangeable bottom caps: White, Black, Pink, Yellow • Sony Reality Display • Sony Mobile BRAVIA Engine • xLoud • 3D surround sound • WiFi hotspot • Java framework |
☢️ Radiation rate | ||
| Redmi 8 (32GB) | Sony Xperia U (ST25i) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.09W/kg (head), 0.93W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 1.62W/kg (head) |