Nokia Lumia 520 vs Sony Xperia U (ST25a)
Side by side comparison between Nokia Lumia 520 vs Sony Xperia U phones, differences, pros, cons and full specifications. What's the better?
,
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? Nokia Lumia 520
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!
10 Advantages 
7 Advantages | 21 Common items in both devices |
| 1GHz 32bit Dual-core |
| 512MB LPDDR2 |
| 16 million |
| (back) 5MP |
| Only digital zoom |
| Autofocus |
| HD (1280x720) |
| +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 | ||
| Nokia Lumia 520 | Sony Xperia U (ST25a) | |
| Change model | ||
| Model | Lumia 520 | Xperia U (ST25a) |
| Other model names | Nokia Lumia 520 RM-914, Nokia Lumia 520.2 RM-915 | Sony Xperia U ST25, Sony Kumquat |
| Country or region available |  (Global, International) |     (Latin America), Brazil, Canada, USA |
| Brand | Nokia | Sony |
| Release date | 3/1/2013 | 5/7/2012 |
| Depth | 9.9 millimeters (0.39 inches) | 12 millimeters (0.47 inches) |
| Size (width x height) | 64 x 119.9 millimeters (2.52 x 4.72 in) | 54 x 112 millimeters (2.13 x 4.41 in) |
| Weight | 124 grams (4.34 ounces) | 110 grams (3.85 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Nokia Lumia 520 | Sony Xperia U (ST25a) | |
| Display type | TFT IPS LCD | TFT LED-Backlit LCD |
| Screen size | 4" inches | 3.5" inches |
| Screen-to-body ratio | ~59.3% (screen-to-body ratio) | ~55.8% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 480x854 pixels (16:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 4-points |
| Pixel density (dot pitch) | 233 PPI | 280 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Scratch-resistant glass | Scratch-resistant glass |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Nokia Lumia 520 | Sony Xperia U (ST25a) | |
| System version | Windows Phone 8.0 Apollo | Android 2.3.7 Gingerbread |
| Firmware update | Windows Phone 8.0 Amber | Android 4.0.4 Ice Cream Sandwich ICS |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Nokia Lumia 520 | Sony Xperia U (ST25a) | |
| Chipset | 32bit: Qualcomm Snapdragon S4 Plus MSM8227 | 32bit: ST-Ericsson NovaThor U8500 (45nm) |
| CPU | Dual-core, 1 processor: 2x 1GHz Krait (Dual-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 | ||
| Nokia Lumia 520 | Sony Xperia U (ST25a) | |
| RAM memory | 512MB LPDDR2 | 512MB LPDDR2 |
| Internal storage | 8GB (5GB available) | 8GB (4GB available) |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Nokia Lumia 520 | Sony Xperia U (ST25a) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 21/5.76 Mbps | 14.4/5.76 Mbps |
| Network technology | 2G, 3G | 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 | RM-915 model: UMTS 850/1900/2100 RM-917 model: UMTS 850/1700/1900/2100 | UMTS 850/1900/2100 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | 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 | ||
| Nokia Lumia 520 | Sony Xperia U (ST25a) | |
| Back camera (main camera) | 5 megapixels | 5 megapixels |
| Main camera resolution | 2592x1936 pixels | 2592x1944 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | HD (1280x720) 30 fps |
| Flash | Not supported | LED flash |
| Focal aperture | f/2.4 (aperture) | feature not registered |
| Focal length | 28mm lens | feature not registered |
| Sensor size | 1/4" inches | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | Not supported | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Nokia Lumia 520 | Sony Xperia U (ST25a) | |
| Front camera (secondary) | Not supported | 0.3 megapixels |
| Front camera resolution | Not supported | 640x480 pixels |
| Video recording (secondary) | Not supported | 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 | ||
| Nokia Lumia 520 | Sony Xperia U (ST25a) | |
| 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, WMV | MP4, H.263, H.264, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, eAAC+, WMA, WAV |
🔌 Connectivity | ||
| Nokia Lumia 520 | Sony Xperia U (ST25a) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 3.0 + A2DP | 2.1 + A2DP |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Nokia Lumia 520 | Sony Xperia U (ST25a) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Nokia Lumia 520 | Sony Xperia U (ST25a) | |
| Battery type | Li-Ion: lithium-ion (Removable) BL-5J | Li-Ion: lithium-ion (Removable) BA600 |
| Battery capacity | 1430 mAh | 1320 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 9.7 hours | 5.6 hours |
| Standby | 360 hours (15 days) | 472 hours (19.7 days) |
➕ Other features | ||
| Nokia Lumia 520 | 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 | Not 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: Red, Yellow, Cyan, White on black • Nokia ClearBlack Display • 7GB free SkyDrive storage | • 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 | ||
| Nokia Lumia 520 | 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) |