Sony Xperia U vs Xiaomi MI-2a

Compare recorded specifications, size and practical differences.

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Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

  • Weight

    Xperia U: 23 g lighter

    Xperia U:
    110 g
    MI-2a:
    133 g
  • Width

    Xperia U: 12.5 mm narrower

    Xperia U:
    54 mm
    MI-2a:
    66.5 mm
  • Screen diagonal

    Xperia U: 1 in smaller diagonal

    Xperia U:
    3.5 in
    MI-2a:
    4.5 in
  • Depth

    MI-2a: 2.5 mm thinner

    Xperia U:
    12 mm
    MI-2a:
    9.5 mm
  • Height

    Xperia U: 21 mm shorter

    Xperia U:
    112 mm
    MI-2a:
    133 mm
  • Release year

    Xperia U:
    2012
    MI-2a:
    2013

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

  1. 1. Xperia U

    Height:
    112 mm
    Width:
    54 mm
    Depth:
    12 mm +2.5 mm versus MI-2a
  2. 2. MI-2a

    Height:
    133 mm +21 mm versus Xperia U
    Width:
    66.5 mm +12.5 mm versus Xperia U
    Depth:
    9.5 mm

Weight

Bars start at zero and share a scale within this chart.

  1. 1. Xperia U

    110 g

  2. 2. MI-2a

    133 g

    +23 g versus Xperia U

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

  1. 1. Xperia U

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    33.8 cm²
  2. 2. MI-2a

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²

MI-2a has approximately 65.3% more rectangular screen area than Xperia U.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM for Xperia U, MI-2a, compared at the same storage capacity.
StorageXperia UMI-2a
16 GB Unknown 1 GB RAM
Xperia U: Original memory entry

8 GB (4 GB user available) · 512 MB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Xperia U

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

2. MI-2a

NFC:
Yes
Headphone jack:
Yes
Memory card support:
No

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. Xperia U

    1320 mAh

  2. 2. MI-2a

    2030 mAh

    +710 mAh versus Xperia U

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. Xperia U2. MI-2a

Everyday essentials
Everyday essentials — specifications for Xperia U, MI-2a.
SpecificationXperia UMI-2a
Dimensions (HxWxD)
  • 112 Х 54 Х 12 mm
  • 133 Х 66.5 Х 9.5 mm
Weight
  • 110 g
  • 133 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 4.5" inch
Screen resolution
  • 480 x 854 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB (4 GB user available)
  • 512 MB RAM
  • 16 GB
  • 1 GB RAM
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1320 mAh
  • Removable Li-Ion
  • 2030 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.3 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
  • Android 4.1 (Jelly Bean)
Chipset
  • NovaThor U8500
  • Xiaolong S4 Pro
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Xperia U, MI-2a.
SpecificationXperia UMI-2a
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 33.8 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 55.8%
  • 63.1%
PPI /points per inch/
  • 280 PPI
  • 326 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for Xperia U, MI-2a.
SpecificationXperia UMI-2a
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 8 MP
  • AF
  • f/2.0
Functions
  • LED flash
  • panorama
  • LED flash
  • HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • VGA
  • 2 MP
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Xperia U, MI-2a.
SpecificationXperia UMI-2a
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
  • Dual-core 1.7 GHz
Graphics processor GPU
  • Mali-400
  • Adreno 320
Antutu 7 score *
  • 9020
  • 21326
GeekBench 4 Single Core *
  • 275
  • 742
GeekBench 4 Multi-Core *
  • 493
  • 1151
GeekBench 4 RenderScript * Unknown
  • 1277
General specs
General specs — specifications for Xperia U, MI-2a.
SpecificationXperia UMI-2a
Release date
  • 2012
  • February
  • 2013
Colors
  • Black
  • White/ exchangeable bottom caps in white
  • Pink
  • Yellow
  • Black (front panel)
  • 4 color options (back panel)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 EUR
Unknown
Battery life
  • Stand by time- Up to 260 h (2G) / Up to 472 h (3G) Talking time- Up to 6 h 36 min (2G) / Up to 5 h 36 min (3G) Music play - Up to 45 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Xperia U, MI-2a.
SpecificationXperia UMI-2a
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 14.4/5.76 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Up to 107 kbps
  • Class 12
Edge
  • Up to 296 kbps
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • DLNA
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.1
  • A2DP
  • EDR
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 1.09 W/kg (head) 0.93 W/kg (body) SAR EU - 1.62 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for Xperia U, MI-2a.
SpecificationXperia UMI-2a
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Others
  • Sony 3D surround sound audio technology -Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Xperia U, MI-2a.
SpecificationXperia UMI-2a
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Previously known as Sony Ericsson ST25i Kumquat
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass