Sony Xperia U vs Xiaomi Mi 9 Explorer

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: 63 g lighter

    Xperia U:
    110 g
    Mi 9 Explorer:
    173 g
  • Width

    Xperia U: 20.7 mm narrower

    Xperia U:
    54 mm
    Mi 9 Explorer:
    74.7 mm
  • Screen diagonal

    Xperia U: 2.89 in smaller diagonal

    Xperia U:
    3.5 in
    Mi 9 Explorer:
    6.39 in
  • Rear camera layout

    Xperia U:
    Single
    Mi 9 Explorer:
    Triple
  • Depth

    Mi 9 Explorer: 4.4 mm thinner

    Xperia U:
    12 mm
    Mi 9 Explorer:
    7.6 mm
  • Height

    Xperia U: 45.5 mm shorter

    Xperia U:
    112 mm
    Mi 9 Explorer:
    157.5 mm

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 +4.4 mm versus Mi 9 Explorer
  2. 2. Mi 9 Explorer

    Height:
    157.5 mm +45.5 mm versus Xperia U
    Width:
    74.7 mm +20.7 mm versus Xperia U
    Depth:
    7.6 mm

Weight

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

  1. 1. Xperia U

    110 g

  2. 2. Mi 9 Explorer

    173 g

    +63 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 9 Explorer

    Screen diagonal:
    6.39 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.2 cm²

Mi 9 Explorer has approximately 196.8% 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

Mi 9 Explorer: Original memory entry

256 GB · 8/12 GB 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 9 Explorer

NFC:
Yes
Headphone jack:
No
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 9 Explorer

    3300 mAh

    +1980 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 9 Explorer

Everyday essentials
Everyday essentials — specifications for Xperia U, Mi 9 Explorer.
SpecificationXperia UMi 9 Explorer
Dimensions (HxWxD)
  • 112 Х 54 Х 12 mm
  • 157.5 Х 74.7 Х 7.6 mm
Weight
  • 110 g
  • 173 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 3.5" inch
  • 6.39" inch
Screen resolution
  • 480 x 854 px
  • 1080 x 2340 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
  • 256 GB
  • 8/12 GB RAM
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1320 mAh
  • Removable Li-Ion
  • 3300 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 2.3 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
  • Android 9.0 (Pie); MIUI 10
Chipset
  • NovaThor U8500
  • Qualcomm SDM855 Snapdragon 855 (7 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for Xperia U, Mi 9 Explorer.
SpecificationXperia UMi 9 Explorer
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 33.8 cm2
  • 100.2 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 55.8%
  • 85.2%
PPI /points per inch/
  • 280 PPI
  • 403 PPI
Screen protection
  • Scratch-resistant glass
  • Corning Gorilla Glass 6
Camera and Video
Camera and Video — specifications for Xperia U, Mi 9 Explorer.
SpecificationXperia UMi 9 Explorer
Rear camera, main
  • 5 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 5 MP
  • AF
  • 48 MP
  • f/1.5 (12GB RAM model) or f/1.8 (8GB RAM model)
  • (wide)
  • 1/2"
  • 0.8µm
  • PDAF
  • Laser AF - 12 MP
  • f/2.2
  • 54mm (telephoto)
  • 1/3.6"
  • 1.0µm
  • laser AF
  • 2x optical zoom - 16 MP
  • 13mm (ultrawide)
  • 1/3.0"
Functions
  • LED flash
  • panorama
  • HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 20 MP
  • Single
Specifications
  • VGA
  • 20 MP
  • f/2.0
  • 0.9μm
Performance

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

Performance — specifications for Xperia U, Mi 9 Explorer.
SpecificationXperia UMi 9 Explorer
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
  • Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Graphics processor GPU
  • Mali-400
  • Adreno 640
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 9 Explorer.
SpecificationXperia UMi 9 Explorer
Release date
  • 2012
  • February
  • 2019
  • February
Colors
  • Black
  • White/ exchangeable bottom caps in white
  • Pink
  • Yellow
  • Transparent Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 EUR
  • 530 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
Unknown
Body build Unknown
  • Back glass (Gorilla Glass 5)
  • aluminum frame (7000 series)
Communication and Connectivity
Communication and Connectivity — specifications for Xperia U, Mi 9 Explorer.
SpecificationXperia UMi 9 Explorer
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
Speed
  • HSPA 14.4/5.76 Mbps
  • HSPA
  • LTE-A
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 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • microUSB 2.0
  • USB Host
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.1
  • A2DP
  • EDR
  • 5.0
  • A2DP
  • LE
  • aptX HD
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 9 Explorer.
SpecificationXperia UMi 9 Explorer
Radio
  • Stereo FM radio
  • RDS
  • No
Others
  • Sony 3D surround sound audio technology -Active noise cancellation with dedicated mic
  • HDR10 -DCI-P3
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Xperia U, Mi 9 Explorer.
SpecificationXperia UMi 9 Explorer
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Previously known as Sony Ericsson ST25i Kumquat
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 27W (Quick Charge 4+) -Fast wireless charging 20W - Also known as Xiaomi Mi 9 Transparent Edition