Oppo Find X vs Samsung Galaxy A31

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.

  • Width

    Galaxy A31: 1.1 mm narrower

    Find X:
    74.2 mm
    Galaxy A31:
    73.1 mm
  • Rear camera layout

    Find X:
    Dual
    Galaxy A31:
    Quad
  • Depth

    Galaxy A31: 0.8 mm thinner

    Find X:
    9.4 mm
    Galaxy A31:
    8.6 mm
  • Height

    Find X: 2.6 mm shorter

    Find X:
    156.7 mm
    Galaxy A31:
    159.3 mm
  • Release year

    Find X:
    2018
    Galaxy A31:
    2020

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. Find X

    Height:
    156.7 mm
    Width:
    74.2 mm +1.1 mm versus Galaxy A31
    Depth:
    9.4 mm +0.8 mm versus Galaxy A31
  2. 2. Galaxy A31

    Height:
    159.3 mm +2.6 mm versus Find X
    Width:
    73.1 mm
    Depth:
    8.6 mm

Weight

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

  1. 1. Find X

    186 g

    +1 g versus Galaxy A31

  2. 2. Galaxy A31

    185 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. Find X

    Screen diagonal:
    6.42 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    101.2 cm²
  2. 2. Galaxy A31

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

Find X has approximately 2.3% more rectangular screen area than Galaxy A31.

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 Find X, Galaxy A31, compared at the same storage capacity.
StorageFind XGalaxy A31
64 GB Not recorded 4 GB RAM
128 GB Recorded for all phones 8 GB RAM 4 / 6 GB RAM Alternative RAM configurations
256 GB 8 GB RAM Not recorded

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Find X

NFC:
Unknown
Headphone jack:
No
Memory card support:
No

2. Galaxy A31

NFC:
See details Yes (market/region dependent)
Headphone jack:
Yes
Memory card support:
See details microSDXC (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. Find X

    3730 mAh

  2. 2. Galaxy A31

    5000 mAh

    +1270 mAh versus Find X

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. Find X2. Galaxy A31

Everyday essentials
Everyday essentials — specifications for Find X, Galaxy A31.
SpecificationFind XGalaxy A31
Dimensions (HxWxD)
  • 156.7 Х 74.2 Х 9.4 mm
  • 159.3 Х 73.1 Х 8.6 mm
Weight
  • 186 g
  • 185 g
Technology
  • AMOLED
  • Super AMOLED
Screen size
  • 6.42" inch
  • 6.4" inch
Screen resolution
  • 1080 x 2340 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128/256 GB
  • 8 GB RAM
  • 64GB 4GB RAM
  • 128GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • No
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3730 mAh
  • Non-removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo); ColorOS 5.1
  • Android 10.0; One UI 2.0
Chipset
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
Unknown
NFC Unknown
  • Yes (market/region dependent)
Headphone jack
  • No
  • Yes
Display
Display — specifications for Find X, Galaxy A31.
SpecificationFind XGalaxy A31
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 101.2 cm2
  • 98.9 cm2
Screen format
  • 19.5:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 87.0%
  • 84.9%
PPI /points per inch/
  • 401 PPI
  • 411 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video
Camera and Video — specifications for Find X, Galaxy A31.
SpecificationFind XGalaxy A31
Rear camera, main
  • 16 MP
  • Dual
  • 48 MP
  • Quad
Camera specs
  • Motorized popup 16 MP
  • f/2.0
  • 1/2.6''
  • 1.22µm
  • PDAF
  • OIS -20 MP
  • 1/2.8''
  • 1.0µm
  • 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)
Functions
  • Auto-HDR
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 25 MP
  • Single
  • 20 MP
  • Single
Specifications
  • Motorized pop-up 25 MP
  • f/2.0
  • 20 MP
  • f/2.2
  • (wide)
Performance

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

Performance — specifications for Find X, Galaxy A31.
SpecificationFind XGalaxy A31
Processor CPU
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
  • Octa-core (2x2.0 GHz & 6x1.7 GHz)
Graphics processor GPU
  • Adreno 630
Unknown
GeekBench 4 Single Core *
  • 3081
Unknown
GeekBench 4 Multi-Core *
  • 8886
Unknown
Antutu 8 score *
  • 346393
Unknown
General specs
General specs — specifications for Find X, Galaxy A31.
SpecificationFind XGalaxy A31
Release date
  • 2018
  • June
  • 2020
  • March 24
Colors
  • Bordeaux Red
  • Glacier blue
  • Prism Crush Black
  • Prism Crush Blue
  • Prism Crush Red
  • Prism Crush White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 770 EUR
Unknown
Body build
  • Front/back glass (Gorilla Glass 5)
  • aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Find X, Galaxy A31.
SpecificationFind XGalaxy A31
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE
  • 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)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A Cat16 1024/150 Mbps
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR EU - 0.49 W/kg (head) 1.68 W/kg (body)
Music and Audio
Music and Audio — specifications for Find X, Galaxy A31.
SpecificationFind XGalaxy A31
Radio
  • No
Unknown
Other features
Other features — specifications for Find X, Galaxy A31.
SpecificationFind XGalaxy A31
Dop
  • Sensors Face ID
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: (VOOC Flash Charge 5V/4A 20W) Standard model -Fast battery charging: 100% in 35 min (SuperVOOC Flash Charge 10V/5A 50W) Super Flash Edition - Versions: Find X (VOOC Flash Charge); Find X Super Flash Edition (SuperVOOC Flash Charge)
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 15W