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Samsung Galaxy A40 vs Xiaomi Redmi 3 Pro

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

      Galaxy A40:
      OLED
      Redmi 3 Pro:
      LCD

    • Screen diagonal

      Redmi 3 Pro: 0.9 in smaller diagonal

      Galaxy A40:
      5.9 in
      Redmi 3 Pro:
      5 in

    • Chipset

      Galaxy A40:
      Exynos 7904 (14 nm)
      Redmi 3 Pro:
      Qualcomm MSM8939v2 Snapdragon 616 (28 nm)

    • Rear camera layout

      Galaxy A40:
      Dual
      Redmi 3 Pro:
      Single

    • Depth

      Galaxy A40: 0.6 mm thinner

      Galaxy A40:
      7.9 mm
      Redmi 3 Pro:
      8.5 mm

    • Height

      Redmi 3 Pro: 5.1 mm shorter

      Galaxy A40:
      144.4 mm
      Redmi 3 Pro:
      139.3 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. Galaxy A40

      Height:
      144.4 mm +5.1 mm versus Redmi 3 Pro
      Width:
      69.2 mm
      Depth:
      7.9 mm

    2. 2. Redmi 3 Pro

      Height:
      139.3 mm
      Width:
      69.6 mm
      Depth:
      8.5 mm +0.6 mm versus Galaxy A40

    Weight

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

    1. 1. Galaxy A40

      140 g

    2. 2. Redmi 3 Pro

      144 g

      +4 g versus Galaxy A40

    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 A40

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

    2. 2. Redmi 3 Pro

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

    Galaxy A40 has approximately 24% more rectangular screen area than Redmi 3 Pro.

    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 A40, Redmi 3 Pro, compared at the same storage capacity.
    StorageGalaxy A40Redmi 3 Pro
    32 GB Unknown 3 GB RAM
    Galaxy A40: Original memory entry

    64 GB · 512GB 4GB

    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 A40

    NFC:
    Yes
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 1 TB (dedicated slot)

    2. Redmi 3 Pro

    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. Galaxy A40

      3100 mAh

    2. 2. Redmi 3 Pro

      4100 mAh

      +1000 mAh versus Galaxy A40

    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 A402. Redmi 3 Pro

    Everyday essentials
    Everyday essentials — specifications for Galaxy A40, Redmi 3 Pro.
    SpecificationGalaxy A40Redmi 3 Pro
    Dimensions (HxWxD)
    • 144.4 Х 69.2 Х 7.9 mm
    • 139.3 Х 69.6 Х 8.5 mm
    Weight
    • 140 g
    • 144 g
    Technology
    • Super AMOLED
    • IPS LCD
    Screen size
    • 5.9" inch
    • 5" inch
    Screen resolution
    • 1080 x 2340 px
    • 720 x 1280 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 64 GB
    • 512GB 4GB
    • 32 GB
    • 3 GB RAM
    Memory card support
    • microSD
    • up to 1 TB (dedicated slot)
    • microSD
    • up to 256 GB (uses SIM 2 slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 3100 mAh
    • Non-removable Li-Po
    • 4100 mAh
    • Non-removable Li-Ion
    Operating system OS
    • Android 9.0 (Pie)
    • Android 5.1 (Lollipop); MIUI 7.3
    Chipset
    • Exynos 7904 (14 nm)
    • Qualcomm MSM8939v2 Snapdragon 616 (28 nm)
    NFC
    • Yes
    		 Unknown
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for Galaxy A40, Redmi 3 Pro.
    SpecificationGalaxy A40Redmi 3 Pro
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 85.5 cm2
    • 68.9 cm2
    Screen format
    • 19.5:9 (height:width)
    • 16:9 (height:width)
    Screen to body ratio
    • 85.5%
    • 71.1%
    PPI /points per inch/
    • 437 PPI
    • 294 PPI
    Screen protection
    • Corning Gorilla Glass 3
    		 Unknown
    Camera and Video
    Camera and Video — specifications for Galaxy A40, Redmi 3 Pro.
    SpecificationGalaxy A40Redmi 3 Pro
    Rear camera, main
    • 16 MP
    • Dual
    • 13 MP
    • Single
    Camera specs
    • 16 MP
    • f/1.7
    • 26mm (wide)
    • PDAF -5 MP
    • f/2.2
    • 13mm (ultrawide)
    • 13 MP
    • PDAF
    • f/2.0
    Functions
    • LED flash
    • panorama
    • HDR
    • LED flash
    • HDR
    • panorama
    Video
    • 1080p@30fps
    • 1080p@30fps
    Front camera, selfie
    • 25 MP
    • Single
    • 5 MP
    • Single
    Specifications
    • 25 MP
    • f/2.0
    • 25mm (wide)
    • 5 MP
    • f/2.2
    Performance

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

    Performance — specifications for Galaxy A40, Redmi 3 Pro.
    SpecificationGalaxy A40Redmi 3 Pro
    Processor CPU
    • Octa-core (2x1.77 GHz Cortex-A73 & 6x1.59 GHz Cortex-A53)
    • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.2 GHz Cortex-A53)
    Graphics processor GPU
    • Mali-G71 MP2
    • Adreno 405
    Antutu 7 score *
    • 109789
    • 33256
    GeekBench 4 Single Core * Unknown
    • 638
    GeekBench 4 Multi-Core * Unknown
    • 2868
    Antutu 8 score *
    • 127724
    		 Unknown
    GeekBench 5 Single Core *
    • 263
    		 Unknown
    GeekBench 5 Multi-Core *
    • 960
    		 Unknown
    General specs
    General specs — specifications for Galaxy A40, Redmi 3 Pro.
    SpecificationGalaxy A40Redmi 3 Pro
    Release date
    • 2019
    • March
    • 2016
    • March
    Colors
    • Black
    • White
    • Blue
    • Coral
    • Dark Gray
    • Silver
    • Gold
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 220 EUR
    • 130 EUR
    Body build
    • Front glass
    • plastic body
    • Front glass
    • aluminum body
    Communication and Connectivity
    Communication and Connectivity — specifications for Galaxy A40, Redmi 3 Pro.
    SpecificationGalaxy A40Redmi 3 Pro
    SIM card
    • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
    • dual stand-by)
    • Hybrid Dual SIM (Micro-SIM/Nano-SIM
    • dual stand-by)
    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 band 1(2100)
    • 3(1800)
    • 5(850)
    • 7(2600)
    • 8(900)
    • 20(800)
    • 38(2600)
    • 40(2300)
    • 41(2500)
    • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA CDMA2000 1xEV-DO -4G - LTE band 1(2100)
    • 3(1800)
    • 7(2600)
    • 38(2600)
    • 39(1900)
    • 40(2300)
    • 41(2500)
    Speed
    • HSPA 42.2/5.76 Mbps
    • LTE-A (2CA) Cat12 600/150 Mbps
    • HSPA
    • LTE
    • EV-DO Rev.A 3.1 Mbps
    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 b/g/n
    • Wi-Fi Direct
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • GLONASS
    • GALILEO
    • BDS
    • Yes
    • with A-GPS
    • GLONASS
    • BDS
    USB
    • 3.1
    • Type-C 1.0 reversible connector
    • microUSB 2.0
    Bluetooth
    • 5.0
    • A2DP
    • LE
    • 4.1
    • A2DP
    Harmful irradiation
    • SAR EU - 0.49 W/kg (head) 1.34 W/kg (body)
    • SAR EU - 1.33 W/kg (head)
    Music and Audio
    Music and Audio — specifications for Galaxy A40, Redmi 3 Pro.
    SpecificationGalaxy A40Redmi 3 Pro
    Radio
    • FM radio
    • FM radio
    Others
    • Active noise cancellation with dedicated mic
    • Active noise cancellation with dedicated mic
    Other features
    Other features — specifications for Galaxy A40, Redmi 3 Pro.
    SpecificationGalaxy A40Redmi 3 Pro
    Dop
    • Sensors Fingerprint (rear-mounted)
    • accelerometer
    • gyro
    • proximity
    • compass - ANT+ - Fast battery charging 15W - Versions: SM-A405F/DS
    • SM-A405FN/DS (Global)
    • SM-A405FM/DS
    • Sensors Fingerprint (rear-mounted)
    • accelerometer
    • gyro
    • proximity
    • compass
    • Infrared port - Fast battery charging

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