Samsung Galaxy M40 vs Xiaomi MI-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

    MI-2a: 35 g lighter

    Galaxy M40:
    168 g
    MI-2a:
    133 g
  • Width

    MI-2a: 7.4 mm narrower

    Galaxy M40:
    73.9 mm
    MI-2a:
    66.5 mm
  • Screen diagonal

    MI-2a: 1.8 in smaller diagonal

    Galaxy M40:
    6.3 in
    MI-2a:
    4.5 in
  • Rear camera layout

    Galaxy M40:
    Triple
    MI-2a:
    Single
  • Depth

    Galaxy M40: 1.6 mm thinner

    Galaxy M40:
    7.9 mm
    MI-2a:
    9.5 mm
  • Height

    MI-2a: 22.3 mm shorter

    Galaxy M40:
    155.3 mm
    MI-2a:
    133 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 +22.3 mm versus MI-2a
    Width:
    73.9 mm +7.4 mm versus MI-2a
    Depth:
    7.9 mm
  2. 2. MI-2a

    Height:
    133 mm
    Width:
    66.5 mm
    Depth:
    9.5 mm +1.6 mm versus Galaxy M40

Weight

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

  1. 1. Galaxy M40

    168 g

    +35 g versus MI-2a

  2. 2. MI-2a

    133 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. MI-2a

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

Galaxy M40 has approximately 74.5% more rectangular screen area than MI-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, MI-2a, compared at the same storage capacity.
StorageGalaxy M40MI-2a
16 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. MI-2a

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

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

    +1470 mAh versus MI-2a

  2. 2. MI-2a

    2030 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. MI-2a

Everyday essentials
Everyday essentials — specifications for Galaxy M40, MI-2a.
SpecificationGalaxy M40MI-2a
Dimensions (HxWxD)
  • 155.3 Х 73.9 Х 7.9 mm
  • 133 Х 66.5 Х 9.5 mm
Weight
  • 168 g
  • 133 g
Technology
  • PLS TFT
  • IPS LCD
Screen size
  • 6.3" inch
  • 4.5" 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.
  • 128 GB
  • 6 GB RAM 64 GB
  • 512GB 4GB
  • 16 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 1 TB (uses shared SIM slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Po
  • 2030 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie); One UI
  • Android 4.1 (Jelly Bean)
Chipset
  • Qualcomm SDM675 Snapdragon 675 (11 nm)
  • Xiaolong S4 Pro
NFC
  • Yes
  • Yes
Headphone jack
  • No
  • Yes
Display
Display — specifications for Galaxy M40, MI-2a.
SpecificationGalaxy M40MI-2a
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.4 cm2
  • 55.8 cm2
Screen format
  • 19.5:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 84.9%
  • 63.1%
PPI /points per inch/
  • 409 PPI
  • 326 PPI
Screen protection
  • Corning Gorilla Glass (unspecified)
Unknown
Camera and Video
Camera and Video — specifications for Galaxy M40, MI-2a.
SpecificationGalaxy M40MI-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
  • AF
  • f/2.0
Functions
  • HDR
  • LED flash
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
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, MI-2a.
SpecificationGalaxy M40MI-2a
Processor CPU
  • Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)
  • Dual-core 1.7 GHz
Graphics processor GPU
  • Adreno 612
  • Adreno 320
Antutu 7 score *
  • 177326
  • 21326
GeekBench 4 Single Core *
  • 2361
  • 742
GeekBench 4 Multi-Core *
  • 6438
  • 1151
GeekBench 4 RenderScript * Unknown
  • 1277
General specs
General specs — specifications for Galaxy M40, MI-2a.
SpecificationGalaxy M40MI-2a
Release date
  • 2019
  • June
  • 2013
Colors
  • Sweater Blue
  • Midnight Blue
  • Black (front panel)
  • 4 color options (back panel)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 260 EUR
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy M40, MI-2a.
SpecificationGalaxy M40MI-2a
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
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 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 400/50 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0
  • USB Host
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, MI-2a.
SpecificationGalaxy M40MI-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, MI-2a.
SpecificationGalaxy M40MI-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
  • gyro
  • proximity
  • compass