Sony Xperia U vs Spice Mi-356 Smart Flo Mettle 3.5X

Compare recorded specifications, size and practical differences.

+ Add a third phone

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.

  • Width

    Xperia U: 9 mm narrower

    Xperia U:
    54 mm
    Mi-356 Smart Flo Mettle 3.5X:
    63 mm
  • Depth

    Mi-356 Smart Flo Mettle 3.5X: 0.5 mm thinner

    Xperia U:
    12 mm
    Mi-356 Smart Flo Mettle 3.5X:
    11.5 mm
  • Height

    Xperia U: 7.9 mm shorter

    Xperia U:
    112 mm
    Mi-356 Smart Flo Mettle 3.5X:
    119.9 mm
  • Release year

    Xperia U:
    2012
    Mi-356 Smart Flo Mettle 3.5X:
    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 +0.5 mm versus Mi-356 Smart Flo Mettle 3.5X
  2. 2. Mi-356 Smart Flo Mettle 3.5X

    Height:
    119.9 mm +7.9 mm versus Xperia U
    Width:
    63 mm +9 mm versus Xperia U
    Depth:
    11.5 mm

Weight

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

  1. 1. Xperia U

    110 g

  2. 2. Mi-356 Smart Flo Mettle 3.5X

    112 g

    +2 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-356 Smart Flo Mettle 3.5X

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²

Mi-356 Smart Flo Mettle 3.5X has approximately 8% 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

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-356 Smart Flo Mettle 3.5X

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. Mi-356 Smart Flo Mettle 3.5X

    1500 mAh

    +180 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-356 Smart Flo Mettle 3.5X

Everyday essentials
Everyday essentials — specifications for Xperia U, Mi-356 Smart Flo Mettle 3.5X.
SpecificationXperia UMi-356 Smart Flo Mettle 3.5X
Dimensions (HxWxD)
  • 112 Х 54 Х 12 mm
  • 119.9 Х 63 Х 11.5 mm
Weight
  • 110 g
  • 112 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 3.5" inch
Screen resolution
  • 480 x 854 px
  • 320 x 480 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
Unknown
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
  • 1500 mAh
  • Li-Ion
Operating system OS
  • Android 2.3 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
  • Android 4.2 (Jelly Bean)
Chipset
  • NovaThor U8500
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Xperia U, Mi-356 Smart Flo Mettle 3.5X.
SpecificationXperia UMi-356 Smart Flo Mettle 3.5X
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 33.8 cm2
  • 36.5 cm2
Screen format
  • 16:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 55.8%
  • 48.3%
PPI /points per inch/
  • 280 PPI
  • 165 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for Xperia U, Mi-356 Smart Flo Mettle 3.5X.
SpecificationXperia UMi-356 Smart Flo Mettle 3.5X
Rear camera, main
  • 5 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 2 MP
Functions
  • LED flash
  • panorama
Unknown
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • VGA
  • 1.3 MP
Performance

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

Performance — specifications for Xperia U, Mi-356 Smart Flo Mettle 3.5X.
SpecificationXperia UMi-356 Smart Flo Mettle 3.5X
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
Unknown
Graphics processor GPU
  • Mali-400
Unknown
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, Mi-356 Smart Flo Mettle 3.5X.
SpecificationXperia UMi-356 Smart Flo Mettle 3.5X
Release date
  • 2012
  • February
  • 2014
  • January
Colors
  • Black
  • White/ exchangeable bottom caps in white
  • Pink
  • Yellow
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 EUR
  • 40 EUR
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 120 h Talking time- Up to 7 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for Xperia U, Mi-356 Smart Flo Mettle 3.5X.
SpecificationXperia UMi-356 Smart Flo Mettle 3.5X
SIM card
  • Mini-SIM
  • Dual SIM (Mini-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
GPS
  • Yes
  • with A-GPS
  • A-GPS only
USB
  • microUSB 2.0
  • USB Host
  • microUSB
Bluetooth
  • 2.1
  • A2DP
  • EDR
  • 2.0
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-356 Smart Flo Mettle 3.5X.
SpecificationXperia UMi-356 Smart Flo Mettle 3.5X
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, Mi-356 Smart Flo Mettle 3.5X.
SpecificationXperia UMi-356 Smart Flo Mettle 3.5X
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Previously known as Sony Ericsson ST25i Kumquat
  • Sensors Accelerometer