Xiaomi Redmi Note (4G) vs Sony Xperia U (ST25i)
Side by side comparison between Xiaomi Redmi Note vs Sony Xperia U phones, differences, pros, cons and full specifications. What's the better?
,
5.5"
IPS
IPS
720x1280
13
MP
MP
5mp
2GB
RAM
RAM
Quad-core
3100
mAh
mAh
(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 Note (4G)
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!
21 Advantages 
4 Advantages | 21 Common items in both devices |
| Plastic body, glass front |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus |
| EIS: Digital stabilization |
| Capacitive |
| +14 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 (4G) | Sony Xperia U (ST25i) | |
| Model | Redmi Note (4G) | Xperia U (ST25i) |
| Other model names | Xiaomi Redmi Note LTE (1st generation), Xiaomi Hongmi Note | Sony Xperia U ST25, Sony Kumquat |
| Country or region available |   China, Hong Kong |  (Global, International) |
| Brand | Xiaomi | Sony |
| Release date | 8/7/2014 | 5/7/2012, Announced: 2/1/2012 |
| Depth | 9.5 millimeters (0.37 inches) | 12 millimeters (0.47 inches) |
| Size (width x height) | 78.7 x 154 millimeters (3.1 x 6.06 in) | 54 x 112 millimeters (2.13 x 4.41 in) |
| Weight | 203 grams (7.11 ounces) | 110 grams (3.85 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Redmi Note (4G) | Sony Xperia U (ST25i) | |
| Display type | TFT IPS LCD | TFT LED-Backlit LCD |
| Screen size | 5.5" inches | 3.5" inches |
| Screen-to-body ratio | ~68.8% (screen-to-body ratio) | ~55.8% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 480x854 pixels (16:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 4-points |
| Pixel density (dot pitch) | 267 PPI | 280 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Scratch-resistant glass |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Redmi Note (4G) | Sony Xperia U (ST25i) | |
| System version | Android 4.2.2 Jelly Bean | Android 2.3.7 Gingerbread |
| Firmware update | Android 4.4.2 KitKat | Android 4.0.4 Ice Cream Sandwich ICS |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Redmi Note (4G) | Sony Xperia U (ST25i) | |
| Chipset | 32bit: Qualcomm Snapdragon 400 MSM8928 (28nm) | 32bit: ST-Ericsson NovaThor U8500 (45nm) |
| CPU | Quad-core, 1 processor: 4x 1.6GHz ARM Cortex-A7 (Quad-core) | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 305 | ARM Mali-400 MP1 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Redmi Note (4G) | Sony Xperia U (ST25i) | |
| RAM memory | 2GB LPDDR3 | 512MB LPDDR2 |
| Internal storage | 8GB (5GB available) eMMC 4.5 | 8GB (4GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Redmi Note (4G) | Sony Xperia U (ST25i) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 100/50 Mbps | 14.4/5.76 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Tri-Band 900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | TD-SCDMA 1900/2000 | UMTS 900/2100 |
| Primary 4G network | TD-LTE (Bands 38, 39, 40) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, TD-SCDMA, TD-HSDPA, TD-LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Redmi Note (4G) | Sony Xperia U (ST25i) | |
| Back camera (main camera) | 13 megapixels | 5 megapixels |
| Main camera resolution | 4128x3096 pixels | 2592x1944 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | HD (1280x720) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | 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 only main camera | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Redmi Note (4G) | Sony Xperia U (ST25i) | |
| Front camera (secondary) | 5 megapixels | 0.3 megapixels |
| Front camera resolution | 2560x1920 pixels | 640x480 pixels |
| Video recording (secondary) | HD (1280x720) | VGA (640x480) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Redmi Note (4G) | 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 | MP4, H.263, H.264, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, eAAC+, WMA, WAV |
🔌 Connectivity | ||
| Redmi Note (4G) | Sony Xperia U (ST25i) | |
| USB | MicroUSB 2.0, 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 | 4.0 + A2DP | 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, BeiDou | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Redmi Note (4G) | Sony Xperia U (ST25i) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi Note (4G) | Sony Xperia U (ST25i) | |
| Battery type | LiPo: li-ion polymer (Removable) | Li-Ion: lithium-ion (Removable) BA600 |
| Battery capacity | 3100 mAh | 1320 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 14 hours | 5.6 hours |
| Standby | 770 hours (32.1 days) | 472 hours (19.7 days) |
➕ Other features | ||
| Redmi Note (4G) | Sony Xperia U (ST25i) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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: Black, White • Android MIUI 5.0 • YouTube, Google Talk, WhatsApp Java framework | • 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 Note (4G) | 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) |