Motorola ROKR E8 vs Samsung Galaxy J4 Core

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.

  • Weight

    ROKR E8: 77 g lighter

    ROKR E8:
    100 g
    Galaxy J4 Core:
    177 g
  • Width

    ROKR E8: 23.1 mm narrower

    ROKR E8:
    53 mm
    Galaxy J4 Core:
    76.1 mm
  • Screen diagonal

    ROKR E8: 4 in smaller diagonal

    ROKR E8:
    2 in
    Galaxy J4 Core:
    6 in
  • Depth

    Galaxy J4 Core: 2.7 mm thinner

    ROKR E8:
    10.6 mm
    Galaxy J4 Core:
    7.9 mm
  • Height

    ROKR E8: 45.6 mm shorter

    ROKR E8:
    115 mm
    Galaxy J4 Core:
    160.6 mm
  • Release year

    ROKR E8:
    2007
    Galaxy J4 Core:
    2018

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 E8

    Height:
    115 mm
    Width:
    53 mm
    Depth:
    10.6 mm +2.7 mm versus Galaxy J4 Core
  2. 2. Galaxy J4 Core

    Height:
    160.6 mm +45.6 mm versus ROKR E8
    Width:
    76.1 mm +23.1 mm versus ROKR E8
    Depth:
    7.9 mm

Weight

Bars start at zero and share a scale within this chart.

  1. 1. ROKR E8

    100 g

  2. 2. Galaxy J4 Core

    177 g

    +77 g versus ROKR E8

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 E8

    Screen diagonal:
    2 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    12.4 cm²
  2. 2. Galaxy J4 Core

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    18.5:9
    Approximate rectangular screen area:
    91.4 cm²

Galaxy J4 Core has approximately 637.6% more rectangular screen area than ROKR E8.

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 E8, Galaxy J4 Core, compared at the same storage capacity.
StorageROKR E8Galaxy J4 Core
16 GB Unknown 1 GB RAM
ROKR E8: Original memory entry

2 GB

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 E8

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD (dedicated slot)

2. Galaxy J4 Core

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 1 TB (dedicated slot)

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 E8

    970 mAh

  2. 2. Galaxy J4 Core

    3300 mAh

    +2330 mAh versus ROKR E8

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 E82. Galaxy J4 Core

Everyday essentials
Everyday essentials — specifications for ROKR E8, Galaxy J4 Core.
SpecificationROKR E8Galaxy J4 Core
Dimensions (HxWxD)
  • 115 Х 53 Х 10.6 mm
  • 160.6 Х 76.1 Х 7.9 mm
Weight
  • 100 g
  • 177 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2" inch
  • 6" inch
Screen resolution
  • 320 x 240 px
  • 720 x 1480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 2 GB
  • 16 GB
  • 1 GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 1 TB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 970 mAh
  • Removable Li-Ion
  • 3300 mAh
  • Non-removable Li-Ion
Operating system OS
  • Linux / Java-based MOTOMAGX
  • Android 8.1 Oreo (Go edition)
Chipset Unknown
  • Qualcomm MSM8917 Snapdragon 425 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for ROKR E8, Galaxy J4 Core.
SpecificationROKR E8Galaxy J4 Core
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 12.4 cm2
  • 91.4 cm2
Screen format
  • 4:3 (height:width)
  • 18.5:9 (height:width)
Screen to body ratio
  • 20.3%
  • 74.8%
PPI /points per inch/
  • 200 PPI
  • 274 PPI
Camera and Video
Camera and Video — specifications for ROKR E8, Galaxy J4 Core.
SpecificationROKR E8Galaxy J4 Core
Rear camera, main
  • 2 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 2 MP
  • 8 MP
  • f/2.2
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
  • f/2.2
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for ROKR E8, Galaxy J4 Core.
SpecificationROKR E8Galaxy J4 Core
Processor CPU Unknown
  • Quad-core 1.4 GHz Cortex-A53
Graphics processor GPU Unknown
  • Adreno 308
Antutu 7 score * Unknown
  • 32456
General specs
General specs — specifications for ROKR E8, Galaxy J4 Core.
SpecificationROKR E8Galaxy J4 Core
Release date
  • 2007
  • September
  • 2018
  • November
Colors
  • Dark Navy
  • Platinum
  • Black
  • Gold
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 150 EUR
Battery life
  • Stand by time- Up to 300 h Talking time- Up to 5 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for ROKR E8, Galaxy J4 Core.
SpecificationROKR E8Galaxy J4 Core
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 - J410F/DS HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - J410G/DS -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300)
  • 41(2500) - J410F/DS LTE band 1(2100)
  • 2(1900)
  • 4(1700/2100)
  • 12(700)
  • 13(700)
  • 17(700)
  • 28(700)
  • 41(2500)
  • 66(1700/2100) - J410G/DS
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • A2DP
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR - 1.02 W/kg (head) 0.85 W/kg (body) SAR EU - 0.89 W/kg (head)
  • SAR - 0.65 W/kg (head) 0.37 W/kg (body) SAR EU - 0.34 W/kg (head) 1.48 W/kg (body)
Music and Audio
Music and Audio — specifications for ROKR E8, Galaxy J4 Core.
SpecificationROKR E8Galaxy J4 Core
Radio
  • Stereo FM radio
  • Stereo FM radio
  • recording
Others
  • ModeShift morphing keypad -Navigation scroll wheel
Unknown
Other features
Other features — specifications for ROKR E8, Galaxy J4 Core.
SpecificationROKR E8Galaxy J4 Core
Dop
  • MP3/AAC player -Organizer
  • Sensors Accelerometer
  • proximity - ANT+ - Versions: SM-J410F/DS (Global); SM-J410G/DS (LATAM)