Energizer Ultimate U620S vs Micromax Bolt D321

Compare recorded specifications, size and practical differences.

+ Add a third phone

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: 1.2 in smaller diagonal

    Ultimate U620S:
    6.2 in
    Bolt D321:
    5 in
  • Chipset

    Ultimate U620S:
    Mediatek MT6765 Helio P35 (12nm)
    Bolt D321:
    Mediatek MT6572 (28 nm)
  • Rear camera layout

    Ultimate U620S:
    Triple
    Bolt D321:
    Single
  • Release year

    Ultimate U620S:
    2019
    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. Ultimate U620S

    Height:
    155.8 mm
    Width:
    75.5 mm
    Depth:
    8.3 mm
    Weight:
    Unknown
  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. Ultimate U620S

    Screen diagonal:
    6.2 in
    Aspect ratio (height:width):
    18.5:9
    Approximate rectangular screen area:
    97.6 cm²
  2. 2. Bolt D321

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

Ultimate U620S has approximately 41.6% 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.

Ultimate U620S: Original memory entry

64 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. Ultimate U620S

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (uses SIM 2 slot)

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. Ultimate U620S

    4000 mAh

    +2200 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. Ultimate U620S2. Bolt D321

Everyday essentials
Everyday essentials — specifications for Ultimate U620S, Bolt D321.
SpecificationUltimate U620SBolt D321
Dimensions (HxWxD)
  • 155.8 Х 75.5 Х 8.3 mm
  • Х Х mm
Weight
  • 0 g
  • 0 g
Technology
  • IPS LCD
Unknown
Screen size
  • 6.2" inch
  • 5" inch
Screen resolution
  • 720 x 1520 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 512GB 4GB
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 128 GB (uses SIM 2 slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Removable Li-Po
  • 1800 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Android 4.4.2 (KitKat)
Chipset
  • Mediatek MT6765 Helio P35 (12nm)
  • Mediatek MT6572 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Ultimate U620S, Bolt D321.
SpecificationUltimate U620SBolt D321
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.6 cm2
  • 68.9 cm2
Screen format
  • 18.5:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 82.9%
Unknown
PPI /points per inch/
  • 265 PPI
  • 196 PPI
Camera and Video
Camera and Video — specifications for Ultimate U620S, Bolt D321.
SpecificationUltimate U620SBolt D321
Rear camera, main
  • 16 MP
  • Triple
  • 5 MP
  • Single
Camera specs
  • 16 MP
  • PDAF -2 MP -VGA
  • depth sensor
  • 5 MP
Functions
  • Dual-LED dual-tone flash
  • panorama
  • HDR
  • LED flash
Video
  • 1080p
  • Yes
Front camera, selfie
  • 16 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 16 MP
  • 2 MP
Performance
Performance — specifications for Ultimate U620S, Bolt D321.
SpecificationUltimate U620SBolt D321
Processor CPU
  • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
  • Dual-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • PowerVR GE8320
  • Mali-400
General specs
General specs — specifications for Ultimate U620S, Bolt D321.
SpecificationUltimate U620SBolt D321
Release date
  • 2019
  • January
  • 2015
  • February
Colors
  • Aurora Red
  • Aurora Blue
  • Black
  • White
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 Ultimate U620S, Bolt D321.
SpecificationUltimate U620SBolt 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 -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 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA
  • LTE-A
  • HSPA 21.1/5.76 Mbps
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
  • Yes
  • with A-GPS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • 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 Ultimate U620S, Bolt D321.
SpecificationUltimate U620SBolt D321
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Ultimate U620S, Bolt D321.
SpecificationUltimate U620SBolt D321
Dop
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity