Google Pixel 4 vs Samsung Galaxy A31

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

    Pixel 4: 23 g lighter

    Pixel 4:
    162 g
    Galaxy A31:
    185 g
  • Width

    Pixel 4: 4.3 mm narrower

    Pixel 4:
    68.8 mm
    Galaxy A31:
    73.1 mm
  • Screen diagonal

    Pixel 4: 0.7 in smaller diagonal

    Pixel 4:
    5.7 in
    Galaxy A31:
    6.4 in
  • Memory variants

    At 64 GB storage

    Pixel 4:
    6 GB RAM
    Galaxy A31:
    4 GB RAM
  • Rear camera layout

    Pixel 4:
    Dual
    Galaxy A31:
    Quad
  • Height

    Pixel 4: 12.2 mm shorter

    Pixel 4:
    147.1 mm
    Galaxy A31:
    159.3 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. Pixel 4

    Height:
    147.1 mm
    Width:
    68.8 mm
    Depth:
    8.2 mm
  2. 2. Galaxy A31

    Height:
    159.3 mm +12.2 mm versus Pixel 4
    Width:
    73.1 mm +4.3 mm versus Pixel 4
    Depth:
    8.6 mm

Weight

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

  1. 1. Pixel 4

    162 g

  2. 2. Galaxy A31

    185 g

    +23 g versus Pixel 4

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. Pixel 4

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    81.1 cm²
  2. 2. Galaxy A31

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

Galaxy A31 has approximately 21.9% more rectangular screen area than Pixel 4.

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 Pixel 4, Galaxy A31, compared at the same storage capacity.
StoragePixel 4Galaxy A31
64 GB Recorded for all phones 6 GB RAM 4 GB RAM
128 GB Recorded for all phones 6 GB RAM 4 / 6 GB RAM Alternative RAM configurations

Practical features

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

1. Pixel 4

NFC:
Yes
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. Pixel 4

    2800 mAh

  2. 2. Galaxy A31

    5000 mAh

    +2200 mAh versus Pixel 4

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. Pixel 42. Galaxy A31

Everyday essentials
Everyday essentials — specifications for Pixel 4, Galaxy A31.
SpecificationPixel 4Galaxy A31
Dimensions (HxWxD)
  • 147.1 Х 68.8 Х 8.2 mm
  • 159.3 Х 73.1 Х 8.6 mm
Weight
  • 162 g
  • 185 g
Technology
  • P-OLED
  • Super AMOLED
Screen size
  • 5.7" inch
  • 6.4" inch
Screen resolution
  • 1080 x 2280 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64GB 6GB RAM
  • 128GB 6GB 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.
  • 2800 mAh
  • Non-removable Li-Po
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 10
  • Android 10.0; One UI 2.0
Chipset
  • Qualcomm SDM855 Snapdragon 855 (7 nm)
Unknown
NFC
  • Yes
  • Yes (market/region dependent)
Headphone jack
  • No
  • Yes
Display
Display — specifications for Pixel 4, Galaxy A31.
SpecificationPixel 4Galaxy A31
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 80.7 cm2
  • 98.9 cm2
Screen format
  • 19:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 79.8%
  • 84.9%
PPI /points per inch/
  • 444 PPI
  • 411 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video

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

Camera and Video — specifications for Pixel 4, Galaxy A31.
SpecificationPixel 4Galaxy A31
Rear camera, main
  • 12.2 MP
  • Dual
  • 48 MP
  • Quad
Camera specs
  • 12.2 MP
  • f/1.7
  • 28mm (wide)
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF
  • OIS -16 MP
  • f/2.4
  • 45mm (telephoto)
  • 1.0µm
  • PDAF
  • OIS
  • 2x optical zoom
  • 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
  • 8 MP
  • Dual
  • 20 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 22mm (wide)
  • 1.22µm
  • no AF TOF 3D camera
  • 20 MP
  • f/2.2
  • (wide)
DxOMark Main Score *
  • 112
Unknown
DxOMark Photo *
  • 93
Unknown
DxOMark Video *
  • 91
Unknown
DxOMark Selfie Score *
  • 92
Unknown
Performance

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

Performance — specifications for Pixel 4, Galaxy A31.
SpecificationPixel 4Galaxy A31
Processor CPU
  • Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
  • Octa-core (2x2.0 GHz & 6x1.7 GHz)
Graphics processor GPU
  • Adreno 640
Unknown
Antutu 8 score *
  • 425000
Unknown
GeekBench 5 Single Core *
  • 555
Unknown
GeekBench 5 Multi-Core *
  • 2165
Unknown
General specs
General specs — specifications for Pixel 4, Galaxy A31.
SpecificationPixel 4Galaxy A31
Release date
  • 2019
  • October
  • 2020
  • March 24
Colors
  • Clearly White
  • Just Black
  • Oh So Orange
  • Prism Crush Black
  • Prism Crush Blue
  • Prism Crush Red
  • Prism Crush White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 750 EUR
Unknown
Body build
  • Front/back glass (Gorilla Glass 5)
  • aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Pixel 4, Galaxy A31.
SpecificationPixel 4Galaxy A31
SIM card
  • Nano-SIM card & eSIM
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 CDMA 800 / 1900 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 13(700)
  • 17(700)
  • 20(800)
  • 25(1900)
  • 26(850)
  • 28(700)
  • 32(1500)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • 66(1700/2100)
  • 71(600) - Global LTE band 1(2100)
  • 14(700)
  • 18(800)
  • 19(800)
  • 29(700)
  • 30(2300)
  • 46(5200)
  • 48
  • 71(600) - USA
  • 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 (5CA) Cat18 1200/150 Mbps
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • 3.1
  • Type-C 1.0 reversible connector
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • aptX HD
  • 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 Pixel 4, Galaxy A31.
SpecificationPixel 4Galaxy A31
Radio
  • No
Unknown
Others
  • DCI-P3 100% -HDR -Always-on display -90Hz
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Pixel 4, Galaxy A31.
SpecificationPixel 4Galaxy A31
Dop
  • Sensors Face ID
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Fast battery charging 18W -USB Power Delivery 2.0 -QI wireless charging - IP68 dust/water resistant (up to 1.5m for 30 mins)
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 15W