Sony Xperia U vs vivo Y28

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.

  • Weight

    Xperia U: 46 g lighter

    Xperia U:
    110 g
    Y28:
    156 g
  • Width

    Xperia U: 14.6 mm narrower

    Xperia U:
    54 mm
    Y28:
    68.6 mm
  • Screen diagonal

    Xperia U: 1.2 in smaller diagonal

    Xperia U:
    3.5 in
    Y28:
    4.7 in
  • Depth

    Y28: 2.2 mm thinner

    Xperia U:
    12 mm
    Y28:
    9.8 mm
  • Height

    Xperia U: 25.4 mm shorter

    Xperia U:
    112 mm
    Y28:
    137.4 mm
  • Release year

    Xperia U:
    2012
    Y28:
    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 Y28
  2. 2. Y28

    Height:
    137.4 mm +25.4 mm versus Xperia U
    Width:
    68.6 mm +14.6 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. Y28

    156 g

    +46 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. Y28

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:10
    Approximate rectangular screen area:
    64.1 cm²

Y28 has approximately 89.7% 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, Y28, compared at the same storage capacity.
StorageXperia UY28
8 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. Y28

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

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. Y28

    2100 mAh

    +780 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. Y28

Everyday essentials
Everyday essentials — specifications for Xperia U, Y28.
SpecificationXperia UY28
Dimensions (HxWxD)
  • 112 Х 54 Х 12 mm
  • 137.4 Х 68.6 Х 9.8 mm
Weight
  • 110 g
  • 156 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 4.7" inch
Screen resolution
  • 480 x 854 px
  • 540 x 960 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
  • 8 GB
  • 1 GB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1320 mAh
  • Removable Li-Ion
  • 2100 mAh
  • Removable Li-Po
Operating system OS
  • Android 2.3 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
  • Android 4.2.2 (Jelly Bean)
Chipset
  • NovaThor U8500
  • Mediatek MT6582 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Xperia U, Y28.
SpecificationXperia UY28
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 33.8 cm2
  • 64.2 cm2
Screen format
  • 16:9 (height:width)
  • 16:10 (height:width)
Screen to body ratio
  • 55.8%
  • 68.1%
PPI /points per inch/
  • 280 PPI
  • 216 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for Xperia U, Y28.
SpecificationXperia UY28
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • panorama
  • LED flash
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • VGA
  • 5 MP
Performance

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

Performance — specifications for Xperia U, Y28.
SpecificationXperia UY28
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Mali-400
  • Mali-400MP2
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, Y28.
SpecificationXperia UY28
Release date
  • 2012
  • February
  • 2014
  • December
Colors
  • Black
  • White/ exchangeable bottom caps in white
  • Pink
  • Yellow
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 EUR
  • 100 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 430 h (2G) / Up to 430 h (3G) Talking time- Up to 14 h (2G) / Up to 13 h (3G) Music play - Up to 32 h
Communication and Connectivity
Communication and Connectivity — specifications for Xperia U, Y28.
SpecificationXperia UY28
SIM card
  • Mini-SIM
  • Micro-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
  • Yes
Edge
  • Up to 296 kbps
  • Yes
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)
Unknown
Music and Audio
Music and Audio — specifications for Xperia U, Y28.
SpecificationXperia UY28
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, Y28.
SpecificationXperia UY28
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Previously known as Sony Ericsson ST25i Kumquat
  • Sensors Accelerometer
  • proximity
  • compass
  • Infrared port