Sony Xperia U vs Xiaomi Mi A2 (Mi 6X)

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: 56 g lighter

    Xperia U:
    110 g
    Mi A2 (Mi 6X):
    166 g
  • Width

    Xperia U: 21.4 mm narrower

    Xperia U:
    54 mm
    Mi A2 (Mi 6X):
    75.4 mm
  • Screen diagonal

    Xperia U: 2.49 in smaller diagonal

    Xperia U:
    3.5 in
    Mi A2 (Mi 6X):
    5.99 in
  • Rear camera layout

    Xperia U:
    Single
    Mi A2 (Mi 6X):
    Dual
  • Depth

    Mi A2 (Mi 6X): 4.7 mm thinner

    Xperia U:
    12 mm
    Mi A2 (Mi 6X):
    7.3 mm
  • Height

    Xperia U: 46.7 mm shorter

    Xperia U:
    112 mm
    Mi A2 (Mi 6X):
    158.7 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 +4.7 mm versus Mi A2 (Mi 6X)
  2. 2. Mi A2 (Mi 6X)

    Height:
    158.7 mm +46.7 mm versus Xperia U
    Width:
    75.4 mm +21.4 mm versus Xperia U
    Depth:
    7.3 mm

Weight

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

  1. 1. Xperia U

    110 g

  2. 2. Mi A2 (Mi 6X)

    166 g

    +56 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 A2 (Mi 6X)

    Screen diagonal:
    5.99 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.6 cm²

Mi A2 (Mi 6X) has approximately 174.2% 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 A2 (Mi 6X): Original memory entry

128 GB · 6 GB RAM 32/64 GB · 512GB 4GB

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 A2 (Mi 6X)

NFC:
Unknown
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 A2 (Mi 6X)

    3000 mAh

    +1680 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 A2 (Mi 6X)

Everyday essentials
Everyday essentials — specifications for Xperia U, Mi A2 (Mi 6X).
SpecificationXperia UMi A2 (Mi 6X)
Dimensions (HxWxD)
  • 112 Х 54 Х 12 mm
  • 158.7 Х 75.4 Х 7.3 mm
Weight
  • 110 g
  • 166 g
Technology
  • TFT
  • LTPS IPS LCD
Screen size
  • 3.5" inch
  • 5.99" inch
Screen resolution
  • 480 x 854 px
  • 1080 x 2160 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
  • 128 GB
  • 6 GB RAM 32/64 GB
  • 512GB 4GB
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1320 mAh
  • Removable Li-Ion
  • 3000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 2.3 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
  • Android 8.1 (Oreo)
  • upgradable to Android 9.0 (Pie); Android One
Chipset
  • NovaThor U8500
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
Headphone jack
  • Yes
  • No
Display
Display — specifications for Xperia U, Mi A2 (Mi 6X).
SpecificationXperia UMi A2 (Mi 6X)
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 33.8 cm2
  • 92.6 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 55.8%
  • 77.4%
PPI /points per inch/
  • 280 PPI
  • 403 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for Xperia U, Mi A2 (Mi 6X).
SpecificationXperia UMi A2 (Mi 6X)
Rear camera, main
  • 5 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 5 MP
  • AF
  • 12 MP
  • f/1.8
  • 1/2.9''
  • 1.25µm -20 MP
  • 1/2.8''
  • 1.0µm
  • PDAF
Functions
  • LED flash
  • panorama
  • LED flash
  • Auto-HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 20 MP
  • Single
Specifications
  • VGA
  • 20 MP
  • f/2.2
  • 1/2.8''
  • 1.0µm
Performance

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

Performance — specifications for Xperia U, Mi A2 (Mi 6X).
SpecificationXperia UMi A2 (Mi 6X)
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU
  • Mali-400
  • Adreno 512
Antutu 7 score *
  • 9020
  • 133905
GeekBench 4 Single Core *
  • 275
Unknown
GeekBench 4 Multi-Core *
  • 493
Unknown
Antutu 8 score * Unknown
  • 161030
GeekBench 5 Single Core * Unknown
  • 332
GeekBench 5 Multi-Core * Unknown
  • 1290
General specs
General specs — specifications for Xperia U, Mi A2 (Mi 6X).
SpecificationXperia UMi A2 (Mi 6X)
Release date
  • 2012
  • February
  • 2018
  • July
Colors
  • Black
  • White/ exchangeable bottom caps in white
  • Pink
  • Yellow
  • Black
  • Gold
  • Blue
  • Red
  • Rose Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 EUR
  • 190 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
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for Xperia U, Mi A2 (Mi 6X).
SpecificationXperia UMi A2 (Mi 6X)
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 - China -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Global HSDPA 850 / 900 / 1900 / 2100 - China -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300) - Global LTE band 1(2100)
  • 34(2000)
  • 39(1900)
  • 40(2300)
  • 41(2500) - China
Speed
  • HSPA 14.4/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat12 600/150 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 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB Host
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.1
  • A2DP
  • EDR
  • 5.0
  • A2DP
  • LE
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 A2 (Mi 6X).
SpecificationXperia UMi A2 (Mi 6X)
Radio
  • Stereo FM radio
  • RDS
  • No
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 A2 (Mi 6X).
SpecificationXperia UMi A2 (Mi 6X)
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Previously known as Sony Ericsson ST25i Kumquat
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Charging 5V/2A 10W (Quick Charge 3.0) -Fast battery charging (Quick Charge 4.0) India only - Versions: Mi A2 (Global); Mi 6X (China)