Motorola ROKR E2 vs Xolo Black 3GB

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.

  • Width

    ROKR E2: 27.1 mm narrower

    ROKR E2:
    49.5 mm
    Black 3GB:
    76.6 mm
  • Screen diagonal

    ROKR E2: 3.5 in smaller diagonal

    ROKR E2:
    2 in
    Black 3GB:
    5.5 in
  • Rear camera layout

    ROKR E2:
    Single
    Black 3GB:
    Dual
  • Depth

    Black 3GB: 10.7 mm thinner

    ROKR E2:
    18 mm
    Black 3GB:
    7.3 mm
  • Height

    ROKR E2: 49.5 mm shorter

    ROKR E2:
    106 mm
    Black 3GB:
    155.5 mm
  • Release year

    ROKR E2:
    2006
    Black 3GB:
    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. ROKR E2

    Height:
    106 mm
    Width:
    49.5 mm
    Depth:
    18 mm +10.7 mm versus Black 3GB
    Weight:
    107 g
  2. 2. Black 3GB

    Height:
    155.5 mm +49.5 mm versus ROKR E2
    Width:
    76.6 mm +27.1 mm versus ROKR E2
    Depth:
    7.3 mm
    Weight:
    Unknown

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. ROKR E2

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

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

Black 3GB has approximately 573.2% 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.

Recorded RAM for ROKR E2, Black 3GB, compared at the same storage capacity.
StorageROKR E2Black 3GB
16 GB Unknown 3 GB 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. ROKR E2

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

2. Black 3GB

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. ROKR E2

    850 mAh

  2. 2. Black 3GB

    3200 mAh

    +2350 mAh versus ROKR E2

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. ROKR E22. Black 3GB

Everyday essentials
Everyday essentials — specifications for ROKR E2, Black 3GB.
SpecificationROKR E2Black 3GB
Dimensions (HxWxD)
  • 106 Х 49.5 Х 18 mm
  • 155.5 Х 76.6 Х 7.3 mm
Weight
  • 107 g
  • 0 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2" inch
  • 5.5" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 10 MB
  • 16 GB
  • 3 GB RAM
Memory card support
  • SD
  • up to 2 GB
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 850 mAh
  • Removable Li-Ion
  • 3200 mAh
  • Non-removable Li-Po
Operating system OS
  • Linux
  • Android 5.0 (Lollipop) ; HIVE Atlas UI
Chipset Unknown
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for ROKR E2, Black 3GB.
SpecificationROKR E2Black 3GB
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 12.4 cm2
  • 83.4 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 23.6%
  • 70.0%
PPI /points per inch/
  • 200 PPI
  • 401 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for ROKR E2, Black 3GB.
SpecificationROKR E2Black 3GB
Rear camera, main
  • 1.3 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 1.3 MP
  • 13 MP
  • f/2.0
  • AF -2 MP
  • f/2.4
  • depth sensor
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
Performance
Performance — specifications for ROKR E2, Black 3GB.
SpecificationROKR E2Black 3GB
Processor CPU
  • 32-bit Intel XScale PXA270 312 MHz
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU Unknown
  • Adreno 405
General specs
General specs — specifications for ROKR E2, Black 3GB.
SpecificationROKR E2Black 3GB
Release date
  • 2006
  • January
  • 2015
  • December
Colors
  • Silver
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 EUR
Unknown
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 4 h 30 min
  • Stand by time- Up to 798 h (2G) / Up to 634 h (3G) Talking time- Up to 36 h (2G) / Up to 27 h (3G)
Body build Unknown
  • Front/back glass (Gorilla Glass 3)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for ROKR E2, Black 3GB.
SpecificationROKR E2Black 3GB
SIM card
  • Mini-SIM
  • Dual SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800)
  • 40(2300)
Speed Unknown
  • HSPA 42.2/7.2 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 6
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
USB
  • miniUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.0
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation Unknown
  • SAR EU - 0.13 W/kg (head) 0.27 W/kg (body)
Music and Audio
Music and Audio — specifications for ROKR E2, Black 3GB.
SpecificationROKR E2Black 3GB
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for ROKR E2, Black 3GB.
SpecificationROKR E2Black 3GB
Dop
  • MP4/MP3 player -iTAP -Voice memo -Voice dial -Organizer -Changeable covers
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - For India