Motorola ATRIX 4G vs Sony Xperia U

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          General Info

          Manufacturer
          Motorola Sony
          Announced
          January 2011 February 2012
          Status
          Available - February 2011 Available - May 2012
          Colors
          Black Black, White/ exchangeable bottom caps in white, black, pink, ye
          Form Factor
          Candybar Candybar
          Dimension
          117.8 x 63.5 x 11 mm
          (4.64 x 2.5 x 0.43 in)
          112 x 54 x 12 mm
          (4.41 x 2.13 x 0.47 in)
          Weight
          135 g (4.76 oz) 110 g (3.88 oz)
          2G Network
          GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
          3G Network
          HSDPA 850 / 1900 / 2100 HSDPA 900 / 2100 - ST25iHSDPA 850 / 1900 / 2100 - ST25a
          Messaging
          SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

          Hardware and OS

          OS
          Android OS, v2.2 (Froyo), upgradable to v2.3 Android OS, v2.3 (Gingerbread), upgradable to v4.0
          Processor
          Dual-core 1 GHz Cortex-A9, Nvidia Tegra 2 AP20H [Similar] Dual-core 1 GHz Cortex-A9, STE U8500 [Similar]
          GPU
          ULP GeForce [Similar] Mali-400MP [Similar]
          RAM
          1 GB [Browse Similar] 512 MB [Browse Similar]
          Internal Memory
          16 GB storage 8 GB (4 GB user-accessible)
          External Memory
          microSD, up to 32GB No

          Display

          Type
          TFT capacitive touchscreen LED-backlit LCD, capacitive touchscreen
          Colors
          16M colors 16M colors
          Size
          4.0 inches [Similar] 3.5 inches [Similar]
          Resolution
          540 x 960 pixels (275 ppi) [Similar] 480 x 854 pixels (280 ppi) [Similar]
          Screen-to-Body Ratio
          59.12% 55.77%
          Multi-Touch
          yes multi touch yes multi touch

          Camera

          Rear Camera
          5 MP, 2592x1944 pixels [Similar] 5 MP, 2592 x 1944 pixels [Similar]
          Flash
          LED flash LED flash
          Features
          Auto focus, Geo-tagging, Image Stabilization Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, 3D Sweep Panorama, Image Stabilization
          Video
          Yes, 720p@30fps, 1080p (via future update) Yes, 720p@30fps, video light
          Front Camera
          Yes, VGA [Similar] Yes, VGA [Similar]

          Multimedia

          3.5mm Jack
          3.5 mm jack yes 3.5 mm jack yes
          Radio
          No Stereo FM radio with RDS
          Games
          Yes Yes + Downloadable
          Loud Speaker
          loudspeaker yes loudspeaker yes

          Connectivity and Data Rate

          GPRS
          Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps Up to 107 kbps
          Edge
          Class 12 Up to 296 kbps
          3G
          HSDPA, 14.4 Mbps; HSUPA, 5.76 Mbps HSDPA 14.4 Mbps, HSUPA 5.76 Mbps
          Bluetooth
          Yes, v2.1 with A2DP, EDR Yes, v2.1 with A2DP, EDR
          Wi-Fi
          Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi hotspot (charges may apply) Wi-Fi 802.11 b/g/n, Wi-Fi hotspot, DLNA
          USB
          Yes, microUSB v2.0 Yes, microUSB v2.0, USB On-the-go support
          GPS
          Yes, with A-GPS support Yes, with A-GPS support
          Browser
          HTML, Adobe Flash HTML5, Adobe Flash

          User Memory

          Internal
          16 GB storage, 1 GB RAM 8 GB (4 GB user-accessible), 512 MB RAM
          Expandable Storage
          microSD, up to 32GB No
          USB OTG
          - Supported

          Sensors

          Fingerprint
          fingerprint not supported fingerprint not supported
          Proximity Sensor
          proximity sensor present proximity sensor present
          Accelerometer Sensor
          accelerometer sensor present accelerometer sensor present
          NFC
          NFC not supported NFC not supported

          Battery

          Type
          Standard battery, Li-Po Standard battery, Li-Ion
          Capacity
          1930 mAh 1320 mAh
          Stand by
          Up to 400 h (2G)
          Up to 350 h (3G)
          Up to 260 h (2G)
          Up to 472 h (3G)
          Talk Time
          Up to 8 h 50 min (2G)
          Up to 9 h (3G)
          Up to 6 h 36 min (2G)
          Up to 5 h 36 min (3G)

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