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Apple iPhone 7 vs Samsung Galaxy M31

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.

    • Display technology

      OLED versus LCD

      iPhone 7:
      LCD
      Galaxy M31:
      OLED

    • Weight

      iPhone 7: 53 g lighter

      iPhone 7:
      138 g
      Galaxy M31:
      191 g

    • Width

      iPhone 7: 8 mm narrower

      iPhone 7:
      67.1 mm
      Galaxy M31:
      75.1 mm

    • Screen diagonal

      iPhone 7: 1.7 in smaller diagonal

      iPhone 7:
      4.7 in
      Galaxy M31:
      6.4 in

    • Memory variants

      At 128 GB storage

      iPhone 7:
      2 GB RAM
      Galaxy M31:
      6 GB RAM

    • Chipset

      iPhone 7:
      Apple A10 Fusion (16 nm)
      Galaxy M31:
      Exynos 9611 (10nm)

    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. iPhone 7

      Height:
      138.3 mm
      Width:
      67.1 mm
      Depth:
      7.1 mm

    2. 2. Galaxy M31

      Height:
      159.2 mm +20.9 mm versus iPhone 7
      Width:
      75.1 mm +8 mm versus iPhone 7
      Depth:
      8.9 mm +1.8 mm versus iPhone 7

    Weight

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

    1. 1. iPhone 7

      138 g

    2. 2. Galaxy M31

      191 g

      +53 g versus iPhone 7

    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. iPhone 7

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

    2. 2. Galaxy M31

      Screen diagonal:
      6.4 in
      Aspect ratio (height:width):
      19.5:9
      Approximate rectangular screen area:
      100.5 cm²

    Galaxy M31 has approximately 65.1% more rectangular screen area than iPhone 7.

    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 iPhone 7, Galaxy M31, compared at the same storage capacity.
    StorageiPhone 7Galaxy M31
    32 GB 2 GB RAM Not recorded
    64 GB Not recorded 6 GB RAM
    128 GB Recorded for all phones 2 GB RAM 6 GB RAM
    256 GB 2 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. iPhone 7

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

    2. Galaxy M31

    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. iPhone 7

      1960 mAh

    2. 2. Galaxy M31

      6000 mAh

      +4040 mAh versus iPhone 7

    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. iPhone 72. Galaxy M31

    Everyday essentials
    Everyday essentials — specifications for iPhone 7, Galaxy M31.
    SpecificationiPhone 7Galaxy M31
    Dimensions (HxWxD)
    • 138.3 Х 67.1 Х 7.1 mm
    • 159.2 Х 75.1 Х 8.9 mm
    Weight
    • 138 g
    • 191 g
    Technology
    • LED-backlit IPS LCD
    • Super AMOLED
    Screen size
    • 4.7" inch
    • 6.4" inch
    Screen resolution
    • 750 x 1334 px
    • 1080 x 2340 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 32/128/256 GB
    • 2 GB RAM
    • 64GB 6GB RAM
    • 128GB 6GB RAM
    Memory card support
    • No
    • microSDXC (dedicated slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 1960 mAh
    • Non-removable Li-Ion
    • 6000 mAh
    • Non-removable Li-Po
    Operating system OS
    • iOS 10.0.1
    • upgradable to iOS 12.1.3
    • Android 10.0; One UI 2.0
    Chipset
    • Apple A10 Fusion (16 nm)
    • Exynos 9611 (10nm)
    NFC
    • Yes
    • Yes (market/region dependent)
    Headphone jack
    • No
    • Yes
    Display
    Display — specifications for iPhone 7, Galaxy M31.
    SpecificationiPhone 7Galaxy M31
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 60.9 cm2
    • 100.5 cm2
    Screen format
    • 16:9 (height:width)
    • 19.5:9 (height:width)
    Screen to body ratio
    • 65.6%
    • 84.1%
    PPI /points per inch/
    • 326 PPI
    • 403 PPI
    Screen protection
    • Ion-strengthened glass
    • oleophobic coating
    • Corning Gorilla Glass 3
    Camera and Video

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

    Camera and Video — specifications for iPhone 7, Galaxy M31.
    SpecificationiPhone 7Galaxy M31
    Rear camera, main
    • 12 MP
    • Single
    • 64 MP
    • Triple
    Camera specs
    • 12 MP
    • f/1.8
    • 28mm (wide)
    • 1/3''
    • OIS
    • PDAF
    • 64 MP
    • f/1.8
    • 26mm (wide)
    • 1/1.72"
    • 0.8µm
    • PDAF -8 MP
    • f/2.2
    • 12mm (ultrawide)
    • 1/4.0"
    • 1.12µm -5 MP
    • f/2.4
    • 25mm (macro)
    • 1/5.0"
    • (depth)
    Functions
    • Face detection
    • HDR
    • panorama
    • HDR
    Video
    • 1080p@30fps
    • 2160p@30fps
    • 1080p@30fps
    Front camera, selfie
    • 7 MP
    • Single
    • 32 MP
    • Single
    Specifications
    • 7 MP
    • f/2.2
    • 32mm (standard)
    • 32 MP
    • f/2.0
    • 26mm (wide)
    • 1/2.8''
    • 0.8µm
    DxOMark Main Score *
    • 85
    		 Unknown
    DxOMark Photo *
    • 85
    		 Unknown
    DxOMark Video *
    • 85
    		 Unknown
    Performance

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

    Performance — specifications for iPhone 7, Galaxy M31.
    SpecificationiPhone 7Galaxy M31
    Processor CPU
    • Quad-core 2.34 GHz (2x Hurricane + 2x Zephyr)
    • Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
    Graphics processor GPU
    • PowerVR Series7XT Plus (six-core graphics)
    • Mali-G72 MP3
    Antutu 7 score *
    • 178965
    		 Unknown
    GeekBench 4 Single Core *
    • 3410
    		 Unknown
    GeekBench 4 Multi-Core *
    • 5745
    		 Unknown
    Antutu 8 score *
    • 200633
    • 194554
    GeekBench 4 Battery *
    • 1927
    		 Unknown
    General specs
    General specs — specifications for iPhone 7, Galaxy M31.
    SpecificationiPhone 7Galaxy M31
    Release date
    • 2016
    • September
    • 2020
    • February 25
    Colors
    • Jet Black
    • Black
    • Silver
    • Gold
    • Rose Gold
    • Red
    • Ocean Blue
    • Space Black
    • Red
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 550 EUR
    • 200 EUR
    Battery life
    • Talking time- Up to 14 h (3G) Music play - Up to 40 h
    		 Unknown
    Body build
    • Front glass
    • aluminum body
    • Glass front (Gorilla Glass 3)
    • plastic back
    • plastic frame
    Communication and Connectivity
    Communication and Connectivity — specifications for iPhone 7, Galaxy M31.
    SpecificationiPhone 7Galaxy M31
    SIM card
    • Nano-SIM
    • Dual SIM (Nano-SIM
    • dual stand-by)
    Network
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - A1660
    • A1778 CDMA 800 / 1900 / 2100 - A1660 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - A1660
    • A1778 CDMA2000 1xEV-DO & TD-SCDMA - A1660 -4G - LTE band 1(2100)
    • 2(1900)
    • 3(1800)
    • 4(1700/2100)
    • 5(850)
    • 7(2600)
    • 8(900)
    • 12(700)
    • 13(700)
    • 17(700)
    • 18(800)
    • 19(800)
    • 20(800)
    • 25(1900)
    • 26(850)
    • 27(800)
    • 28(700)
    • 29(700)
    • 30(2300)
    • 38(2600)
    • 39(1900)
    • 40(2300)
    • 41(2500) - A1660
    • A1778
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE (unspecified)
    Speed
    • HSPA 42.2/5.76 Mbps
    • LTE-A (3CA) Cat9 450/50 Mbps
    • EV-DO Rev.A 3.1 Mbps
    • HSPA
    • LTE-A
    GPRS
    • Yes
    • Yes
    Edge
    • Yes
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 a/b/g/n/ac
    • dual-band
    • hotspot
    • Wi-Fi 802.11 a/b/g/n/ac
    • dual-band
    • Wi-Fi Direct
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • GLONASS
    • GALILEO
    • QZSS
    • Yes
    • with A-GPS
    • GLONASS
    • GALILEO
    • BDS
    USB
    • 2.0
    • proprietary reversible connector
    • 2.0
    • Type-C 1.0 reversible connector
    Bluetooth
    • 4.2
    • A2DP
    • LE
    • 5.0
    • A2DP
    • LE
    Harmful irradiation
    • SAR - 1.19 W/kg (head) 1.19 W/kg (body) SAR EU - 1.38 W/kg (head) 1.34 W/kg (body)
    • SAR - 0.52 W/kg (head) 0.69 W/kg (body) SAR EU - 0.52 W/kg (head) 0.69 W/kg (body)
    Music and Audio
    Music and Audio — specifications for iPhone 7, Galaxy M31.
    SpecificationiPhone 7Galaxy M31
    Radio
    • No
    • FM radio
    • RDS
    • recording
    Others
    • Wide color gamut -3D Touch display & home button
    • Active noise cancellation with dedicated mic
    		 Unknown
    Other features
    Other features — specifications for iPhone 7, Galaxy M31.
    SpecificationiPhone 7Galaxy M31
    Dop
    • Sensors Fingerprint (front-mounted)
    • accelerometer
    • gyro
    • proximity
    • compass
    • barometer - Siri natural language commands and dictation - IP67 dust/water resistant (up to 1m for 30 mins) -Apple Pay (Visa
    • MasterCard
    • AMEX certified)
    • Sensors Fingerprint (rear-mounted)
    • accelerometer
    • gyro
    • proximity
    • compass - Fast battery charging 15W - Versions: SM-M315F/DS

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