vivo NEX A 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.

  • Display technology

    OLED versus LCD

    NEX A:
    OLED
    MI-2a:
    LCD
  • Weight

    MI-2a: 66 g lighter

    NEX A:
    199 g
    MI-2a:
    133 g
  • Width

    MI-2a: 10.5 mm narrower

    NEX A:
    77 mm
    MI-2a:
    66.5 mm
  • Screen diagonal

    MI-2a: 2.09 in smaller diagonal

    NEX A:
    6.59 in
    MI-2a:
    4.5 in
  • Rear camera layout

    NEX A:
    Dual
    MI-2a:
    Single
  • Depth

    NEX A: 1.5 mm thinner

    NEX A:
    8 mm
    MI-2a:
    9.5 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. NEX A

    Height:
    162 mm +29 mm versus MI-2a
    Width:
    77 mm +10.5 mm versus MI-2a
    Depth:
    8 mm
  2. 2. MI-2a

    Height:
    133 mm
    Width:
    66.5 mm
    Depth:
    9.5 mm +1.5 mm versus NEX A

Weight

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

  1. 1. NEX A

    199 g

    +66 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. NEX A

    NEX A: Screen geometry unavailable or conflicting.

  2. 2. MI-2a

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

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 NEX A, MI-2a, compared at the same storage capacity.
StorageNEX AMI-2a
16 GB Not recorded 1 GB RAM
128 GB 6 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. NEX A

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

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. NEX A

    4000 mAh

    +1970 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. NEX A2. MI-2a

Everyday essentials
Everyday essentials — specifications for NEX A, MI-2a.
SpecificationNEX AMI-2a
Dimensions (HxWxD)
  • 162 Х 77 Х 8 mm
  • 133 Х 66.5 Х 9.5 mm
Weight
  • 199 g
  • 133 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 6.59" inch
  • 4.5" inch
Screen resolution
  • 1080 x 2316 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
  • 16 GB
  • 1 GB RAM
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Ion
  • 2030 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo); Funtouch 4
  • Android 4.1 (Jelly Bean)
Chipset
  • Qualcomm SDM710 Snapdragon 710 (10 nm)
  • Xiaolong S4 Pro
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for NEX A, MI-2a.
SpecificationNEX AMI-2a
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 107.3 cm2
  • 55.8 cm2
Screen format Unknown
  • 16:9 (height:width)
Screen to body ratio
  • 86.0%
  • 63.1%
PPI /points per inch/
  • 0 PPI
  • 326 PPI
Camera and Video
Camera and Video — specifications for NEX A, MI-2a.
SpecificationNEX AMI-2a
Rear camera, main
  • 12 MP
  • Dual
  • 8 MP
  • Single
Camera specs
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • 4-axis OIS
  • dual pixel PDAF -5 MP
  • f/2.4
  • depth sensor
  • 8 MP
  • AF
  • f/2.0
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
  • LED flash
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 2 MP
  • Single
Specifications
  • Motorized pop-up 8 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 NEX A, MI-2a.
SpecificationNEX AMI-2a
Processor CPU
  • Octa-core (2x2.2 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver)
  • Dual-core 1.7 GHz
Graphics processor GPU
  • Adreno 616
  • Adreno 320
Antutu 7 score * Unknown
  • 21326
GeekBench 4 Single Core *
  • 1855
  • 742
GeekBench 4 Multi-Core *
  • 5940
  • 1151
GeekBench 4 RenderScript * Unknown
  • 1277
General specs
General specs — specifications for NEX A, MI-2a.
SpecificationNEX AMI-2a
Release date
  • 2018
  • June
  • 2013
Colors
  • Black
  • Red
  • Black (front panel)
  • 4 color options (back panel)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 600 EUR
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for NEX A, MI-2a.
SpecificationNEX AMI-2a
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A Cat15 800/150 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
  • BDS
  • GNSS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • microUSB 2.0
  • USB Host
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for NEX A, MI-2a.
SpecificationNEX AMI-2a
Radio
  • To be confirmed
  • FM radio
Others
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for NEX A, MI-2a.
SpecificationNEX AMI-2a
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 22W
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass