Micromax Bolt Q381 vs Siemens SX45

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.

  • Release year

    Bolt Q381:
    2016
    SX45:
    2001

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. Bolt Q381

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

    Unavailable dimensions are omitted from the drawing.

  2. 2. SX45

    Height:
    134 mm
    Width:
    87 mm
    Depth:
    26 mm
    Weight:
    330 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. Bolt Q381

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. SX45

    SX45: Screen geometry unavailable or conflicting.

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 Bolt Q381, SX45, compared at the same storage capacity.
StorageBolt Q381SX45
8 GB 1 GB RAM Unknown
SX45: Original memory entry

32 MB

Practical features

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

1. Bolt Q381

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

2. SX45

NFC:
Unknown
Headphone jack:
No
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. Bolt Q381

    2000 mAh

    +450 mAh versus SX45

  2. 2. SX45

    1550 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. Bolt Q3812. SX45

Everyday essentials
Everyday essentials — specifications for Bolt Q381, SX45.
SpecificationBolt Q381SX45
Dimensions (HxWxD)
  • Х Х mm
  • 134 Х 87 Х 26 mm
Weight
  • 0 g
  • 330 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5" inch
  • 0" inch
Screen resolution
  • 480 x 854 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 32 MB
Memory card support
  • microSD
  • up to 32 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Removable Li-Ion
  • 1550 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Microsoft Windows CE 3.0 for PocketPC
Chipset
  • Spreadtrum SC7731G
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Bolt Q381, SX45.
SpecificationBolt Q381SX45
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 68.9 cm2
Unknown
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
PPI /points per inch/
  • 196 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for Bolt Q381, SX45.
SpecificationBolt Q381SX45
Rear camera, main
  • 5 MP
  • Single
  • 0 MP,
Camera specs
  • 5 MP
Unknown
Video
  • 720p
Unknown
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance
Performance — specifications for Bolt Q381, SX45.
SpecificationBolt Q381SX45
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • 64-bit NEC VR4122 150 MHz
General specs
General specs — specifications for Bolt Q381, SX45.
SpecificationBolt Q381SX45
Release date
  • 2016
  • July
  • 2001
Colors
  • Black
Unknown
Battery life
  • Stand by time- Up to 360 h Talking time- Up to 6 h 30 min
  • Stand by time- Up to 150 h Talking time- Up to 2 h
Communication and Connectivity
Communication and Connectivity — specifications for Bolt Q381, SX45.
SpecificationBolt Q381SX45
SIM card
  • Dual SIM (Micro-SIM/ Mini-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Unknown
Speed
  • HSPA
Unknown
GPRS
  • Yes
  • No
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
Unknown
Bluetooth
  • 2.1
  • No
Music and Audio
Music and Audio — specifications for Bolt Q381, SX45.
SpecificationBolt Q381SX45
Radio
  • FM radio
  • No
Others Unknown
  • 57.6 mm x 76.8 mm -0.24 mm pixel pitch
Other features
Other features — specifications for Bolt Q381, SX45.
SpecificationBolt Q381SX45
Dop
  • Sensors Accelerometer
  • Infrared port - Full PocketPC functionality -Media player (MP3) - PDA + mobile phone