Realme C11 (2021, 64GB) vs Sony Xperia U (ST25a)
Side by side comparison between Realme C11 (2021) vs Sony Xperia U phones, differences, pros, cons and full specifications. What's the better?
,
6.52"
IPS
IPS
720x1600
8
MP
MP
5mp
4GB
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? Realme C11 (2021, 64GB)
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!
23 Advantages 
7 Advantages | 20 Common items in both devices |
| Plastic body, glass front |
| 60Hz |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus |
| EIS: Digital stabilization |
| +13 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 | ||
| Realme C11 (2021, 64GB) | Sony Xperia U (ST25a) | |
| Model | C11 (2021, 64GB) | Xperia U (ST25a) |
| Other model names | Realme C11 RMX3231 (64GB+4GB RAM) | Sony Xperia U ST25, Sony Kumquat |
| Country or region available |  Malaysia |     (Latin America), Brazil, Canada, USA |
| Brand | Realme | Sony |
| Release date | 6/28/2021 | 5/7/2012 |
| Depth | 8.9 millimeters (0.35 inches) | 12 millimeters (0.47 inches) |
| Size (width x height) | 76.4 x 165.2 millimeters (3.01 x 6.5 in) | 54 x 112 millimeters (2.13 x 4.41 in) |
| Weight | 190 grams (6.65 ounces) | 110 grams (3.85 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Water repellent nano-coating (don't immerse) | Not supported |
📲 Display | ||
| Realme C11 (2021, 64GB) | Sony Xperia U (ST25a) | |
| Display type | TFT IPS LCD | TFT LED-Backlit LCD |
| Screen size | 6.52" inches | 3.5" inches |
| Screen-to-body ratio | ~81.3% (screen-to-body ratio) | ~55.8% (screen-to-body ratio) |
| Display resolution | 720x1600 pixels (20:9) | 480x854 pixels (16:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 4-points |
| Pixel density (dot pitch) | 269 PPI | 280 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Scratch-resistant glass |
| Refresh rate | 60Hz | 60Hz |
| Display features | 400nits[typ] | Not supported |
🤖 Operating System | ||
| Realme C11 (2021, 64GB) | Sony Xperia U (ST25a) | |
| System version | Android 11 | Android 2.3.7 Gingerbread |
| Firmware update | feature not registered | Android 4.0.4 Ice Cream Sandwich ICS |
| User Interface | Realme Go UI | feature not registered |
⚙️ Processor | ||
| Realme C11 (2021, 64GB) | Sony Xperia U (ST25a) | |
| Chipset | 64bit: Unisoc SC9863A (28nm) | 32bit: ST-Ericsson NovaThor U8500 (45nm) |
| CPU | Octa-core, 2 processors: 4x 1.6GHz ARM Cortex-A55 (Quad-core) 4x 1.2GHz ARM Cortex-A55 (Quad-core) | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) |
| GPU graphical controller | PowerVR GE8322 MP2 (550MHz) | ARM Mali-400 MP1 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Realme C11 (2021, 64GB) | Sony Xperia U (ST25a) | |
| RAM memory | 4GB LPDDR4X | 512MB LPDDR2 |
| Internal storage | 64GB (50GB available) eMMC 5.1 | 8GB (4GB available) |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Realme C11 (2021, 64GB) | Sony Xperia U (ST25a) | |
| 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 | UMTS 850/900/2100 | UMTS 850/1900/2100 |
| Primary 4G network | LTE Cat4 (1, 3, 5) TD-LTE (38, 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 | UMTS 850/900/2100 | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | Not supported |
📷 Camera | ||
| Realme C11 (2021, 64GB) | Sony Xperia U (ST25a) | |
| Back camera (main camera) | 8 megapixels | 5 megapixels |
| Main camera resolution | 3264x2448 pixels | 2592x1944 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | HD (1280x720) 30 fps |
| Flash | LED flash | LED flash |
| 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 | 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 on both cameras | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Realme C11 (2021, 64GB) | Sony Xperia U (ST25a) | |
| Front camera (secondary) | 5 megapixels | 0.3 megapixels |
| Front camera resolution | 2560x1920 pixels | 640x480 pixels |
| Video recording (secondary) | Full HD (1920x1080) | VGA (640x480) |
| Front flash | Not supported | Not supported |
| 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 |
🔉 Sound and multimedia | ||
| Realme C11 (2021, 64GB) | Sony Xperia U (ST25a) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.263, H.264, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, eAAC+, WMA, WAV |
🔌 Connectivity | ||
| Realme C11 (2021, 64GB) | Sony Xperia U (ST25a) | |
| 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 | 4.2 + A2DP | 2.1 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Realme C11 (2021, 64GB) | Sony Xperia U (ST25a) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Realme C11 (2021, 64GB) | Sony Xperia U (ST25a) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) BA600 |
| Battery capacity | 5000 mAh | 1320 mAh |
| Charger, watts | 10W (5V/2A) Wired charging Reverse charging by cable | Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | 5.6 hours |
| Standby | feature not registered | 472 hours (19.7 days) |
➕ Other features | ||
| Realme C11 (2021, 64GB) | Sony Xperia U (ST25a) | |
| 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: Iron Grey, Lake Blue | • 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 | ||
| Realme C11 (2021, 64GB) | Sony Xperia U (ST25a) | |
| 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) |