Sony Xperia U vs Xiaomi Redmi Note 4G

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: 65 g lighter

    Xperia U:
    110 g
    Redmi Note 4G:
    175 g
  • Width

    Xperia U: 22 mm narrower

    Xperia U:
    54 mm
    Redmi Note 4G:
    76 mm
  • Screen diagonal

    Xperia U: 2 in smaller diagonal

    Xperia U:
    3.5 in
    Redmi Note 4G:
    5.5 in
  • Depth

    Redmi Note 4G: 3.6 mm thinner

    Xperia U:
    12 mm
    Redmi Note 4G:
    8.4 mm
  • Height

    Xperia U: 39 mm shorter

    Xperia U:
    112 mm
    Redmi Note 4G:
    151 mm
  • Release year

    Xperia U:
    2012
    Redmi Note 4G:
    2016

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 +3.6 mm versus Redmi Note 4G
  2. 2. Redmi Note 4G

    Height:
    151 mm +39 mm versus Xperia U
    Width:
    76 mm +22 mm versus Xperia U
    Depth:
    8.4 mm

Weight

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

  1. 1. Xperia U

    110 g

  2. 2. Redmi Note 4G

    175 g

    +65 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. Redmi Note 4G

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

Redmi Note 4G has approximately 146.9% 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

Redmi Note 4G: Original memory entry

16 GB · 2 GB RAM - Standard edition64 GB · 3 GB RAM - High edition64 GB · 4 GB RAM - Exclusive

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. Redmi Note 4G

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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. Redmi Note 4G

    4100 mAh

    +2780 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. Redmi Note 4G

Everyday essentials
Everyday essentials — specifications for Xperia U, Redmi Note 4G.
SpecificationXperia URedmi Note 4G
Dimensions (HxWxD)
  • 112 Х 54 Х 12 mm
  • 151 Х 76 Х 8.4 mm
Weight
  • 110 g
  • 175 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 5.5" inch
Screen resolution
  • 480 x 854 px
  • 1080 x 1920 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
  • 16 GB
  • 2 GB RAM - Standard edition64 GB
  • 3 GB RAM - High edition64 GB
  • 4 GB RAM - Exclusive
Memory card support
  • No
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1320 mAh
  • Removable Li-Ion
  • 4100 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 2.3 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
  • Android 6.0 (Marshmallow); MIUI 10
Chipset
  • NovaThor U8500
  • Mediatek MT6797 Helio X20 (20 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Xperia U, Redmi Note 4G.
SpecificationXperia URedmi Note 4G
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 33.8 cm2
  • 83.4 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 55.8%
  • 72.7%
PPI /points per inch/
  • 280 PPI
  • 401 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for Xperia U, Redmi Note 4G.
SpecificationXperia URedmi Note 4G
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 13 MP
  • PDAF
  • f/2.0
Functions
  • LED flash
  • panorama
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • 720p@30fps
  • 720p
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • VGA
  • 5 MP
  • f/2.0
Performance

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

Performance — specifications for Xperia U, Redmi Note 4G.
SpecificationXperia URedmi Note 4G
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
  • Deca-core 2.1 GHz
Graphics processor GPU
  • Mali-400
  • Mali-T880 MP4
Antutu 7 score *
  • 9020
  • 21789
GeekBench 4 Single Core *
  • 275
Unknown
GeekBench 4 Multi-Core *
  • 493
Unknown
General specs
General specs — specifications for Xperia U, Redmi Note 4G.
SpecificationXperia URedmi Note 4G
Release date
  • 2012
  • February
  • 2016
  • August
Colors
  • Black
  • White/ exchangeable bottom caps in white
  • Pink
  • Yellow
  • Silver
  • Gray
  • Gold
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 EUR
  • 170 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, Redmi Note 4G.
SpecificationXperia URedmi Note 4G
SIM card
  • Mini-SIM
  • Hybrid Dual SIM (Micro-SIM/Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 14.4/5.76 Mbps
  • HSPA
  • LTE
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
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.1
  • A2DP
  • EDR
  • 4.2
  • 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, Redmi Note 4G.
SpecificationXperia URedmi Note 4G
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Others
  • Sony 3D surround sound audio technology -Active noise cancellation with dedicated mic
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Xperia U, Redmi Note 4G.
SpecificationXperia URedmi Note 4G
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Previously known as Sony Ericsson ST25i Kumquat
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - For China