Samsung Galaxy A31 vs Sony Xperia U

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: 75 g lighter

    Galaxy A31:
    185 g
    Xperia U:
    110 g
  • Width

    Xperia U: 19.1 mm narrower

    Galaxy A31:
    73.1 mm
    Xperia U:
    54 mm
  • Screen diagonal

    Xperia U: 2.9 in smaller diagonal

    Galaxy A31:
    6.4 in
    Xperia U:
    3.5 in
  • Rear camera layout

    Galaxy A31:
    Quad
    Xperia U:
    Single
  • Depth

    Galaxy A31: 3.4 mm thinner

    Galaxy A31:
    8.6 mm
    Xperia U:
    12 mm
  • Height

    Xperia U: 47.3 mm shorter

    Galaxy A31:
    159.3 mm
    Xperia U:
    112 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. Galaxy A31

    Height:
    159.3 mm +47.3 mm versus Xperia U
    Width:
    73.1 mm +19.1 mm versus Xperia U
    Depth:
    8.6 mm
  2. 2. Xperia U

    Height:
    112 mm
    Width:
    54 mm
    Depth:
    12 mm +3.4 mm versus Galaxy A31

Weight

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

  1. 1. Galaxy A31

    185 g

    +75 g versus Xperia U

  2. 2. Xperia U

    110 g

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. Galaxy A31

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    98.9 cm²
  2. 2. Xperia U

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

Galaxy A31 has approximately 192.8% 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.

Recorded RAM for Galaxy A31, Xperia U, compared at the same storage capacity.
StorageGalaxy A31Xperia U
64 GB 4 GB RAM Unknown
128 GB 4 / 6 GB RAM Alternative RAM configurations Unknown
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. Galaxy A31

NFC:
See details Yes (market/region dependent)
Headphone jack:
Yes
Memory card support:
See details microSDXC (dedicated slot)

2. Xperia U

NFC:
Unknown
Headphone jack:
Yes
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. Galaxy A31

    5000 mAh

    +3680 mAh versus Xperia U

  2. 2. Xperia U

    1320 mAh

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. Galaxy A312. Xperia U

Everyday essentials
Everyday essentials — specifications for Galaxy A31, Xperia U.
SpecificationGalaxy A31Xperia U
Dimensions (HxWxD)
  • 159.3 Х 73.1 Х 8.6 mm
  • 112 Х 54 Х 12 mm
Weight
  • 185 g
  • 110 g
Technology
  • Super AMOLED
  • TFT
Screen size
  • 6.4" inch
  • 3.5" inch
Screen resolution
  • 1080 x 2400 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64GB 4GB RAM
  • 128GB 4GB RAM
  • 128GB 6GB RAM
  • 8 GB (4 GB user available)
  • 512 MB RAM
Memory card support
  • microSDXC (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 5000 mAh
  • Non-removable Li-Po
  • 1320 mAh
  • Removable Li-Ion
Operating system OS
  • Android 10.0; One UI 2.0
  • Android 2.3 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
Chipset Unknown
  • NovaThor U8500
NFC
  • Yes (market/region dependent)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Galaxy A31, Xperia U.
SpecificationGalaxy A31Xperia U
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 98.9 cm2
  • 33.8 cm2
Screen format
  • 20:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 84.9%
  • 55.8%
PPI /points per inch/
  • 411 PPI
  • 280 PPI
Screen protection Unknown
  • Scratch-resistant glass
Camera and Video
Camera and Video — specifications for Galaxy A31, Xperia U.
SpecificationGalaxy A31Xperia U
Rear camera, main
  • 48 MP
  • Quad
  • 5 MP
  • Single
Camera specs
  • 48 MP
  • f/2.0
  • 26mm (wide)
  • 1/2.0"
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0"
  • 1.12µm -5 MP
  • f/2.4
  • (macro) -5 MP
  • (depth)
  • 5 MP
  • AF
Functions
  • LED flash
  • panorama
  • HDR
  • LED flash
  • panorama
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 20 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 20 MP
  • f/2.2
  • (wide)
  • VGA
Performance

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

Performance — specifications for Galaxy A31, Xperia U.
SpecificationGalaxy A31Xperia U
Processor CPU
  • Octa-core (2x2.0 GHz & 6x1.7 GHz)
  • Dual-core 1.0 GHz Cortex-A9
Graphics processor GPU Unknown
  • Mali-400
Antutu 7 score * Unknown
  • 9020
GeekBench 4 Single Core * Unknown
  • 275
GeekBench 4 Multi-Core * Unknown
  • 493
General specs
General specs — specifications for Galaxy A31, Xperia U.
SpecificationGalaxy A31Xperia U
Release date
  • 2020
  • March 24
  • 2012
  • February
Colors
  • Prism Crush Black
  • Prism Crush Blue
  • Prism Crush Red
  • Prism Crush White
  • Black
  • White/ exchangeable bottom caps in white
  • Pink
  • Yellow
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 140 EUR
Battery life Unknown
  • 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
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy A31, Xperia U.
SpecificationGalaxy A31Xperia U
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE (unspecified)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • LTE-A
  • HSPA 14.4/5.76 Mbps
GPRS
  • Yes
  • Up to 107 kbps
Edge
  • Yes
  • Up to 296 kbps
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • DLNA
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
  • Yes
  • with A-GPS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • microUSB 2.0
  • USB Host
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 2.1
  • A2DP
  • EDR
Harmful irradiation
  • SAR EU - 0.49 W/kg (head) 1.68 W/kg (body)
  • SAR - 1.09 W/kg (head) 0.93 W/kg (body) SAR EU - 1.62 W/kg (head)
Music and Audio
Music and Audio — specifications for Galaxy A31, Xperia U.
SpecificationGalaxy A31Xperia U
Radio Unknown
  • Stereo FM radio
  • RDS
Others Unknown
  • Sony 3D surround sound audio technology -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Galaxy A31, Xperia U.
SpecificationGalaxy A31Xperia U
Dop
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 15W
  • Sensors Accelerometer
  • proximity
  • compass - Previously known as Sony Ericsson ST25i Kumquat