Micromax Bolt Q331 vs Motorola ROKR E2

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

    ROKR E2: 3 in smaller diagonal

    Bolt Q331:
    5 in
    ROKR E2:
    2 in
  • Release year

    Bolt Q331:
    2015
    ROKR E2:
    2006

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 Q331

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

    Unavailable dimensions are omitted from the drawing.

  2. 2. ROKR E2

    Height:
    106 mm
    Width:
    49.5 mm
    Depth:
    18 mm
    Weight:
    107 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. Bolt Q331

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. ROKR E2

    Screen diagonal:
    2 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    12.4 cm²

Bolt Q331 has approximately 456.4% more rectangular screen area than ROKR E2.

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.

Bolt Q331: Original memory entry

4 GB · 512 MB RAM

ROKR E2: Original memory entry

10 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 Q331

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

2. ROKR E2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details SD · up to 2 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. Bolt Q331

    2000 mAh

    +1150 mAh versus ROKR E2

  2. 2. ROKR E2

    850 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 Q3312. ROKR E2

Everyday essentials
Everyday essentials — specifications for Bolt Q331, ROKR E2.
SpecificationBolt Q331ROKR E2
Dimensions (HxWxD)
  • Х Х mm
  • 106 Х 49.5 Х 18 mm
Weight
  • 0 g
  • 107 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5" inch
  • 2" 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.
  • 4 GB
  • 512 MB RAM
  • 10 MB
Memory card support
  • microSD
  • up to 32 GB
  • SD
  • up to 2 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Removable Li-Ion
  • 850 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Linux
Chipset
  • Spreadtrum 7731G
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Bolt Q331, ROKR E2.
SpecificationBolt Q331ROKR E2
Touchscreen
  • capacitive touchscreen
Unknown
Display colors Unknown
  • 256K
Screen area
  • 68.9 cm2
  • 12.4 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio Unknown
  • 23.6%
PPI /points per inch/
  • 196 PPI
  • 200 PPI
Camera and Video
Camera and Video — specifications for Bolt Q331, ROKR E2.
SpecificationBolt Q331ROKR E2
Rear camera, main
  • 5 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 5 MP
  • 1.3 MP
Functions
  • LED flash
  • LED flash
Video
  • 720p
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 0 MP,
Specifications
  • 2 MP
Unknown
Performance
Performance — specifications for Bolt Q331, ROKR E2.
SpecificationBolt Q331ROKR E2
Processor CPU
  • Quad-core 1.2 GHz
  • 32-bit Intel XScale PXA270 312 MHz
General specs
General specs — specifications for Bolt Q331, ROKR E2.
SpecificationBolt Q331ROKR E2
Release date
  • 2015
  • October
  • 2006
  • January
Colors
  • Black
  • Silver
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 130 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 6 h
  • Stand by time- Up to 200 h Talking time- Up to 4 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for Bolt Q331, ROKR E2.
SpecificationBolt Q331ROKR E2
SIM card
  • Dual SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Unknown
Speed
  • HSPA 21.1/5.76 Mbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 6
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • No
GPS Unknown
  • No
USB
  • microUSB 2.0
  • miniUSB 2.0
Bluetooth
  • 2.1
  • 2.0
  • A2DP
Music and Audio
Music and Audio — specifications for Bolt Q331, ROKR E2.
SpecificationBolt Q331ROKR E2
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Bolt Q331, ROKR E2.
SpecificationBolt Q331ROKR E2
Dop
  • Sensors Accelerometer
  • proximity
  • MP4/MP3 player -iTAP -Voice memo -Voice dial -Organizer -Changeable covers