Motorola Atrix HD (AT&T) vs Sony Xperia U (ST25i)
Side by side comparison between Motorola Atrix HD vs Sony Xperia U phones, differences, pros, cons and full specifications. What's the better?
,
4.5"
TFT
TFT
720x1280
8
MP
MP
1.3mp
1GB
RAM
RAM
Dual-core
1780
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? Motorola Atrix HD (AT&T)
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 |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| +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 | ||
| Motorola Atrix HD (AT&T) | Sony Xperia U (ST25i) | |
| Model | Atrix HD (AT&T) | Xperia U (ST25i) |
| Other model names | AT&T Motorola Atrix 3 HD MB886, Motorola Dinara | Sony Xperia U ST25, Sony Kumquat |
| Country or region available |  USA |  (Global, International) |
| Brand | Motorola | Sony |
| Release date | 8/1/2012 | 5/7/2012, Announced: 2/1/2012 |
| Depth | 8.4 millimeters (0.33 inches) | 12 millimeters (0.47 inches) |
| Size (width x height) | 69.9 x 133.5 millimeters (2.75 x 5.26 in) | 54 x 112 millimeters (2.13 x 4.41 in) |
| Weight | 140 grams (4.9 ounces) | 110 grams (3.85 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Water splash resistant (don't immerse) | Not supported |
📲 Display | ||
| Motorola Atrix HD (AT&T) | Sony Xperia U (ST25i) | |
| Display type | TFT LCD | TFT LED-Backlit LCD |
| Screen size | 4.5" inches | 3.5" inches |
| Screen-to-body ratio | ~59.8% (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) | 326 PPI | 280 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Scratch-resistant glass |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Motorola Atrix HD (AT&T) | Sony Xperia U (ST25i) | |
| System version | Android 4.0.4 Ice Cream Sandwich ICS | Android 2.3.7 Gingerbread |
| Firmware update | Android 4.1.1 Jelly Bean | Android 4.0.4 Ice Cream Sandwich ICS |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Motorola Atrix HD (AT&T) | Sony Xperia U (ST25i) | |
| Chipset | 32bit: Qualcomm Snapdragon S4 Plus MSM8960 (28nm) | 32bit: ST-Ericsson NovaThor U8500 (45nm) |
| CPU | Dual-core, 1 processor: 2x 1.5GHz Krait (Dual-core) | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 225 | ARM Mali-400 MP1 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Motorola Atrix HD (AT&T) | Sony Xperia U (ST25i) | |
| RAM memory | 1GB LPDDR2 | 512MB LPDDR2 |
| Internal storage | 8GB (5GB available) | 8GB (4GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Motorola Atrix HD (AT&T) | 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 | 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 | 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 850/900/1700/1900/2100 | UMTS 900/2100 |
| Primary 4G network | LTE Cat3 700/1700 (Bands 4,17) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, 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 | ||
| Motorola Atrix HD (AT&T) | Sony Xperia U (ST25i) | |
| 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 | 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 | 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 | ||
| Motorola Atrix HD (AT&T) | Sony Xperia U (ST25i) | |
| Front camera (secondary) | 1.3 megapixels | 0.3 megapixels |
| Front camera resolution | 1280x1024 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 | ||
| Motorola Atrix HD (AT&T) | Sony Xperia U (ST25i) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.263, H.264, WMV, DivX, XviD | MP4, H.263, H.264, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, eAAC+, WMA, WAV |
🔌 Connectivity | ||
| Motorola Atrix HD (AT&T) | 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 | Micro HDMI Type D | Not supported |
| Bluetooth | 4.0 + A2DP | 2.1 + A2DP |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Motorola Atrix HD (AT&T) | Sony Xperia U (ST25i) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Motorola Atrix HD (AT&T) | Sony Xperia U (ST25i) | |
| Battery type | LiPo: li-ion polymer (Removable) | Li-Ion: lithium-ion (Removable) BA600 |
| Battery capacity | 1780 mAh | 1320 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 7.5 hours | 5.6 hours |
| Standby | 168 hours (7 days) | 472 hours (19.7 days) |
➕ Other features | ||
| Motorola Atrix HD (AT&T) | 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, Flash player | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, Modern White • Motorola MOTOBLUR • Dock connector • Motorola CrystalTalk PLUS • 3D stereo sound • Speech recognition • Motorola Lapdock compliant • 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 | ||
| Motorola Atrix HD (AT&T) | Sony Xperia U (ST25i) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.34W/kg (head), 0.67W/kg (body) | 1.09W/kg (head), 0.93W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 1.62W/kg (head) |