Meizu 15 vs Micromax Bolt D321

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.

  • Screen diagonal

    Bolt D321: 0.46 in smaller diagonal

    15:
    5.46 in
    Bolt D321:
    5 in
  • Chipset

    15:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
    Bolt D321:
    Mediatek MT6572 (28 nm)
  • Rear camera layout

    15:
    Dual
    Bolt D321:
    Single
  • Release year

    15:
    2018
    Bolt D321:
    2015

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. 15

    Height:
    143 mm
    Width:
    72 mm
    Depth:
    7.3 mm
    Weight:
    152 g
  2. 2. Bolt D321

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown
    Weight:
    Unknown

    Unavailable dimensions are omitted from the drawing.

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. 15

    Screen diagonal:
    5.46 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    82.2 cm²
  2. 2. Bolt D321

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

15 has approximately 19.2% more rectangular screen area than Bolt D321.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

15: Original memory entry

64/128 GB · 512GB 4GB

Bolt D321: Original memory entry

4 GB · 512 MB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. 15

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

2. Bolt D321

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

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. 15

    3000 mAh

    +1200 mAh versus Bolt D321

  2. 2. Bolt D321

    1800 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. 152. Bolt D321

Everyday essentials
Everyday essentials — specifications for 15, Bolt D321.
Specification15Bolt D321
Dimensions (HxWxD)
  • 143 Х 72 Х 7.3 mm
  • Х Х mm
Weight
  • 152 g
  • 0 g
Technology
  • Super AMOLED
Unknown
Screen size
  • 5.46" inch
  • 5" inch
Screen resolution
  • 1080 x 1920 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/128 GB
  • 512GB 4GB
  • 4 GB
  • 512 MB RAM
Memory card support
  • No
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 1800 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.1.2 (Nougat); Flyme 7
  • Android 4.4.2 (KitKat)
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Mediatek MT6572 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for 15, Bolt D321.
Specification15Bolt D321
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 82.2 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 79.8%
Unknown
PPI /points per inch/
  • 403 PPI
  • 196 PPI
Camera and Video
Camera and Video — specifications for 15, Bolt D321.
Specification15Bolt D321
Rear camera, main
  • 12 MP
  • Dual
  • 5 MP
  • Single
Camera specs
  • 12 MP
  • f/1.8
  • 1/2.3''
  • 1.55 µm
  • 4-axis OIS
  • dual pixel PDAF & laser AF -20 MP
  • 1/2.8''
  • 1.0 µm
  • AF
  • portraits only
  • 5 MP
Functions
  • Six-LED dual-tone flash
  • HDR
  • panorama
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 20 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 20 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 15, Bolt D321.
Specification15Bolt D321
Processor CPU
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • Dual-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Adreno 512
  • Mali-400
Antutu 7 score *
  • 134782
Unknown
GeekBench 4 Single Core *
  • 1616
Unknown
GeekBench 4 Multi-Core *
  • 5938
Unknown
General specs
General specs — specifications for 15, Bolt D321.
Specification15Bolt D321
Release date
  • 2018
  • April
  • 2015
  • February
Colors
  • Ink
  • Yakin
  • Indigo
  • White
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 400 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 300 h (3G) Talking time- Up to 7 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for 15, Bolt D321.
Specification15Bolt D321
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) LTE band 1(2100)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.51 W/kg (head) 0.84 W/kg (body)
Music and Audio
Music and Audio — specifications for 15, Bolt D321.
Specification15Bolt D321
Radio
  • No
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for 15, Bolt D321.
Specification15Bolt D321
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Fast battery charging: mCharge 4.0 (24W)
  • Sensors Accelerometer
  • proximity