ZTE Concord II vs Sony Xperia U (ST25i)
Side by side comparison between ZTE Concord II 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? Sony Xperia U (ST25i)
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 
10 Advantages | 24 Common items in both devices |
| Plastic body, glass front |
| 60Hz |
| 16 million |
| (back) 5MP |
| LED flash |
| Only digital zoom |
| Autofocus |
| +17 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 | ||
| ZTE Concord II | Sony Xperia U (ST25i) | |
| Change model | ||
| Model | Concord II | Xperia U (ST25i) |
| Other model names | MetroPCS ZTE Concord 2 Z730, ZTE Z730 | Sony Xperia U ST25, Sony Kumquat |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | ZTE | Sony |
| Release date | 5/1/2014 | 5/7/2012, Announced: 2/1/2012 |
| Depth | 11 millimeters (0.43 inches) | 12 millimeters (0.47 inches) |
| Size (width x height) | 65 x 126 millimeters (2.56 x 4.96 in) | 54 x 112 millimeters (2.13 x 4.41 in) |
| Weight | 125 grams (4.38 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 | ||
| ZTE Concord II | Sony Xperia U (ST25i) | |
| Display type | TFT LCD | TFT LED-Backlit LCD |
| Screen size | 4" inches | 3.5" inches |
| Screen-to-body ratio | ~55.6% (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 | Gorilla Glass 2 | Scratch-resistant glass |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| ZTE Concord II | Sony Xperia U (ST25i) | |
| System version | Android 4.3 Jelly Bean | 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 | ||
| ZTE Concord II | Sony Xperia U (ST25i) | |
| Chipset | 32bit: Qualcomm Snapdragon 200 (MSM8210) (28nm) | 32bit: ST-Ericsson NovaThor U8500 (45nm) |
| CPU | Dual-core, 1 processor: 2x 1.2GHz ARM Cortex-A7 (Dual-core) | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 302 (400MHz) | ARM Mali-400 MP1 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| ZTE Concord II | Sony Xperia U (ST25i) | |
| RAM memory | 1GB LPDDR2 | 512MB LPDDR2 |
| Internal storage | 4GB (1.49GB available) eMMC 4.5 | 8GB (4GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| ZTE Concord II | Sony Xperia U (ST25i) | |
| 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 | UMTS 850/1900 | UMTS 900/2100 |
| 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 | ||
| ZTE Concord II | Sony Xperia U (ST25i) | |
| Back camera (main camera) | 5 megapixels | 5 megapixels |
| Main camera resolution | 2592x1944 pixels | 2592x1944 pixels |
| Video recording (primary) | HD (1280x720) | HD (1280x720) 30 fps |
| Flash | LED flash | LED flash |
| 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 |
| 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 | 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 | ||
| ZTE Concord II | Sony Xperia U (ST25i) | |
| 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 | ||
| ZTE Concord II | Sony Xperia U (ST25i) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 1 microphone | 2 microphones or more |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, 3GP | MP4, H.263, H.264, WMV |
| Audio formats | MP3, WAV, WMA, AAC+ | MP3, eAAC+, WMA, WAV |
🔌 Connectivity | ||
| ZTE Concord II | Sony Xperia U (ST25i) | |
| 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 | 4.0 + 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 | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| ZTE Concord II | Sony Xperia U (ST25i) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| ZTE Concord II | Sony Xperia U (ST25i) | |
| Battery type | LiPo: li-ion polymer (Removable) | Li-Ion: lithium-ion (Removable) BA600 |
| Battery capacity | 1820 mAh | 1320 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 6 hours | 5.6 hours |
| Standby | 250 hours (10.4 days) | 472 hours (19.7 days) |
➕ Other features | ||
| ZTE Concord II | 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 | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • LED notification • HAC M3/T3 • 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 | ||
| ZTE Concord II | 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) |