Sony Xperia U vs Spice Smart Flo 503 (Mi-503)

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: 70 g lighter

    Xperia U:
    110 g
    Smart Flo 503 (Mi-503):
    180 g
  • Width

    Xperia U: 20.8 mm narrower

    Xperia U:
    54 mm
    Smart Flo 503 (Mi-503):
    74.8 mm
  • Screen diagonal

    Xperia U: 1.5 in smaller diagonal

    Xperia U:
    3.5 in
    Smart Flo 503 (Mi-503):
    5 in
  • Depth

    Smart Flo 503 (Mi-503): 2.2 mm thinner

    Xperia U:
    12 mm
    Smart Flo 503 (Mi-503):
    9.8 mm
  • Height

    Xperia U: 38.4 mm shorter

    Xperia U:
    112 mm
    Smart Flo 503 (Mi-503):
    150.4 mm
  • Release year

    Xperia U:
    2012
    Smart Flo 503 (Mi-503):
    2014

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 +2.2 mm versus Smart Flo 503 (Mi-503)
  2. 2. Smart Flo 503 (Mi-503)

    Height:
    150.4 mm +38.4 mm versus Xperia U
    Width:
    74.8 mm +20.8 mm versus Xperia U
    Depth:
    9.8 mm

Weight

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

  1. 1. Xperia U

    110 g

  2. 2. Smart Flo 503 (Mi-503)

    180 g

    +70 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. Smart Flo 503 (Mi-503)

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

Smart Flo 503 (Mi-503) has approximately 104.1% 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Xperia U: Original memory entry

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

Smart Flo 503 (Mi-503): Original memory entry

4 GB · 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. Smart Flo 503 (Mi-503)

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

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. Smart Flo 503 (Mi-503)

    2000 mAh

    +680 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. Smart Flo 503 (Mi-503)

Everyday essentials
Everyday essentials — specifications for Xperia U, Smart Flo 503 (Mi-503).
SpecificationXperia USmart Flo 503 (Mi-503)
Dimensions (HxWxD)
  • 112 Х 54 Х 12 mm
  • 150.4 Х 74.8 Х 9.8 mm
Weight
  • 110 g
  • 180 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 5" inch
Screen resolution
  • 480 x 854 px
  • 480 x 854 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
  • 4 GB
  • 512 MB RAM
Memory card support
  • No
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1320 mAh
  • Removable Li-Ion
  • 2000 mAh
  • Li-Ion
Operating system OS
  • Android 2.3 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
  • Android 4.4.2 (KitKat)
Chipset
  • NovaThor U8500
  • Mediatek MT6571 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Xperia U, Smart Flo 503 (Mi-503).
SpecificationXperia USmart Flo 503 (Mi-503)
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 33.8 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 55.8%
  • 61.2%
PPI /points per inch/
  • 280 PPI
  • 196 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for Xperia U, Smart Flo 503 (Mi-503).
SpecificationXperia USmart Flo 503 (Mi-503)
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • panorama
  • LED flash
  • panorama
Video
  • 720p@30fps
  • 720p@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, Smart Flo 503 (Mi-503).
SpecificationXperia USmart Flo 503 (Mi-503)
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
  • Dual-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Mali-400
  • Mali-400
Antutu 7 score *
  • 9020
Unknown
GeekBench 4 Single Core *
  • 275
Unknown
GeekBench 4 Multi-Core *
  • 493
Unknown
General specs
General specs — specifications for Xperia U, Smart Flo 503 (Mi-503).
SpecificationXperia USmart Flo 503 (Mi-503)
Release date
  • 2012
  • February
  • 2014
  • August
Colors
  • Black
  • White/ exchangeable bottom caps in white
  • Pink
  • Yellow
  • White
  • Gray
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
  • Stand by time- Up to 200 h Talking time- Up to 5 h Music play - Up to 30 h
Communication and Connectivity
Communication and Connectivity — specifications for Xperia U, Smart Flo 503 (Mi-503).
SpecificationXperia USmart Flo 503 (Mi-503)
SIM card
  • Mini-SIM
  • Dual SIM (Mini-SIM/ Micro-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Unknown
Speed
  • HSPA 14.4/5.76 Mbps
Unknown
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
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • EDR
  • 4.0
  • A2DP
  • EDR
Harmful irradiation
  • SAR - 1.09 W/kg (head) 0.93 W/kg (body) SAR EU - 1.62 W/kg (head)
  • SAR EU - 0.82 W/kg (head)
Music and Audio
Music and Audio — specifications for Xperia U, Smart Flo 503 (Mi-503).
SpecificationXperia USmart Flo 503 (Mi-503)
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Others
  • Sony 3D surround sound audio technology -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Xperia U, Smart Flo 503 (Mi-503).
SpecificationXperia USmart Flo 503 (Mi-503)
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Previously known as Sony Ericsson ST25i Kumquat
  • Sensors Accelerometer
  • proximity