Samsung Galaxy M40 vs Xiaomi Redmi 2A

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

    Redmi 2A: 36 g lighter

    Galaxy M40:
    168 g
    Redmi 2A:
    132 g
  • Width

    Redmi 2A: 6.7 mm narrower

    Galaxy M40:
    73.9 mm
    Redmi 2A:
    67.2 mm
  • Screen diagonal

    Redmi 2A: 1.6 in smaller diagonal

    Galaxy M40:
    6.3 in
    Redmi 2A:
    4.7 in
  • Rear camera layout

    Galaxy M40:
    Triple
    Redmi 2A:
    Single
  • Depth

    Galaxy M40: 1.5 mm thinner

    Galaxy M40:
    7.9 mm
    Redmi 2A:
    9.4 mm
  • Height

    Redmi 2A: 21.3 mm shorter

    Galaxy M40:
    155.3 mm
    Redmi 2A:
    134 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 M40

    Height:
    155.3 mm +21.3 mm versus Redmi 2A
    Width:
    73.9 mm +6.7 mm versus Redmi 2A
    Depth:
    7.9 mm
  2. 2. Redmi 2A

    Height:
    134 mm
    Width:
    67.2 mm
    Depth:
    9.4 mm +1.5 mm versus Galaxy M40

Weight

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

  1. 1. Galaxy M40

    168 g

    +36 g versus Redmi 2A

  2. 2. Redmi 2A

    132 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 M40

    Screen diagonal:
    6.3 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    97.4 cm²
  2. 2. Redmi 2A

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

Galaxy M40 has approximately 60% more rectangular screen area than Redmi 2A.

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 M40, Redmi 2A, compared at the same storage capacity.
StorageGalaxy M40Redmi 2A
8 GB Unknown 1 GB RAM
Galaxy M40: Original memory entry

128 GB · 6 GB RAM 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 M40

NFC:
Yes
Headphone jack:
No
Memory card support:
See details microSD · up to 1 TB (uses shared SIM slot)

2. Redmi 2A

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (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. Galaxy M40

    3500 mAh

    +1300 mAh versus Redmi 2A

  2. 2. Redmi 2A

    2200 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 M402. Redmi 2A

Everyday essentials
Everyday essentials — specifications for Galaxy M40, Redmi 2A.
SpecificationGalaxy M40Redmi 2A
Dimensions (HxWxD)
  • 155.3 Х 73.9 Х 7.9 mm
  • 134 Х 67.2 Х 9.4 mm
Weight
  • 168 g
  • 132 g
Technology
  • PLS TFT
  • IPS LCD
Screen size
  • 6.3" inch
  • 4.7" 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.
  • 128 GB
  • 6 GB RAM 64 GB
  • 512GB 4GB
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 1 TB (uses shared SIM slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Po
  • 2200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie); One UI
  • Android 5.0 (Lollipop); MIUI 6
Chipset
  • Qualcomm SDM675 Snapdragon 675 (11 nm)
  • Leadcore L1860C
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for Galaxy M40, Redmi 2A.
SpecificationGalaxy M40Redmi 2A
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.4 cm2
  • 60.9 cm2
Screen format
  • 19.5:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 84.9%
  • 67.6%
PPI /points per inch/
  • 409 PPI
  • 312 PPI
Screen protection
  • Corning Gorilla Glass (unspecified)
  • To be confirmed
Camera and Video
Camera and Video — specifications for Galaxy M40, Redmi 2A.
SpecificationGalaxy M40Redmi 2A
Rear camera, main
  • 32 MP
  • Triple
  • 8 MP
  • Single
Camera specs
  • 32 MP
  • f/1.7
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 12mm (ultrawide)
  • 1.12µm
  • PDAF -5 MP
  • depth sensor
  • 8 MP
  • f/2.2
  • 28mm (wide)
  • 1/3.2''
  • 1.4µm
  • AF
Functions
  • HDR
  • LED flash
  • HDR
Video
  • 1080p@30fps
  • 720p
Front camera, selfie
  • 16 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 16 MP
  • f/2.0
  • 2 MP
Performance

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

Performance — specifications for Galaxy M40, Redmi 2A.
SpecificationGalaxy M40Redmi 2A
Processor CPU
  • Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)
  • Quad-core 1.5 GHz
Graphics processor GPU
  • Adreno 612
  • Mali-T628 MP2
Antutu 7 score *
  • 177326
Unknown
GeekBench 4 Single Core *
  • 2361
Unknown
GeekBench 4 Multi-Core *
  • 6438
Unknown
General specs
General specs — specifications for Galaxy M40, Redmi 2A.
SpecificationGalaxy M40Redmi 2A
Release date
  • 2019
  • June
  • 2015
  • March
Colors
  • Sweater Blue
  • Midnight Blue
  • Black
  • Green
  • Yellow
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 260 EUR
  • 130 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy M40, Redmi 2A.
SpecificationGalaxy M40Redmi 2A
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE (unspecified)
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 1900 / 2100 TD-SCDMA -4G - LTE band 3(1800)
  • 7(2600)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 400/50 Mbps
  • HSPA
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
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
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 0.20 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for Galaxy M40, Redmi 2A.
SpecificationGalaxy M40Redmi 2A
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic -Dolby Atmos sound
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Galaxy M40, Redmi 2A.
SpecificationGalaxy M40Redmi 2A
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 15W - Versions: SM-M405F/DS
  • SM-M405FN/DS (Global)
  • SM-M405G/DS
  • Sensors Accelerometer
  • proximity