Motorola ROKR E8 vs Samsung Galaxy A51

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: 72 g lighter

    ROKR E8:
    100 g
    Galaxy A51:
    172 g
  • Width

    ROKR E8: 20.6 mm narrower

    ROKR E8:
    53 mm
    Galaxy A51:
    73.6 mm
  • Screen diagonal

    ROKR E8: 4.5 in smaller diagonal

    ROKR E8:
    2 in
    Galaxy A51:
    6.5 in
  • Rear camera layout

    ROKR E8:
    Single
    Galaxy A51:
    Quad
  • Depth

    Galaxy A51: 2.7 mm thinner

    ROKR E8:
    10.6 mm
    Galaxy A51:
    7.9 mm
  • Height

    ROKR E8: 43.5 mm shorter

    ROKR E8:
    115 mm
    Galaxy A51:
    158.5 mm

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 A51
  2. 2. Galaxy A51

    Height:
    158.5 mm +43.5 mm versus ROKR E8
    Width:
    73.6 mm +20.6 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 A51

    172 g

    +72 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 A51

    Screen diagonal:
    6.5 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    102 cm²

Galaxy A51 has approximately 723.5% 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 A51, compared at the same storage capacity.
StorageROKR E8Galaxy A51
64 GB Unknown 4 GB RAM
128 GB Unknown 4 / 6 / 8 GB RAM Alternative RAM configurations
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 A51

NFC:
Yes
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 A51

    4000 mAh

    +3030 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 A51

Everyday essentials
Everyday essentials — specifications for ROKR E8, Galaxy A51.
SpecificationROKR E8Galaxy A51
Dimensions (HxWxD)
  • 115 Х 53 Х 10.6 mm
  • 158.5 Х 73.6 Х 7.9 mm
Weight
  • 100 g
  • 172 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 2" inch
  • 6.5" inch
Screen resolution
  • 320 x 240 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 2 GB
  • 64GB 4GB RAM
  • 128GB 4GB RAM
  • 128GB 6GB RAM
  • 128GB 8GB 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
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Linux / Java-based MOTOMAGX
  • Android 10.0; One UI 2
Chipset Unknown
  • Exynos 9611 (10nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for ROKR E8, Galaxy A51.
SpecificationROKR E8Galaxy A51
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 12.4 cm2
  • 102.0 cm2
Screen format
  • 4:3 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 20.3%
  • 87.4%
PPI /points per inch/
  • 200 PPI
  • 405 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for ROKR E8, Galaxy A51.
SpecificationROKR E8Galaxy A51
Rear camera, main
  • 2 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 2 MP
  • 48 MP
  • f/2.0
  • 26mm (wide)
  • 1/2.0"
  • 0.8µm
  • PDAF -12 MP
  • f/2.2
  • 12mm (ultrawide) -5 MP
  • f/2.4
  • 25mm (macro)
  • 1/5.0"
  • 1.12µm -5 MP
  • 1.12µm
  • depth sensor
Functions Unknown
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 32 MP
  • Single
Specifications Unknown
  • 32 MP
  • f/2.2
  • 26mm (wide)
  • 1/2.8"
  • 0.8µm
Performance

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

Performance — specifications for ROKR E8, Galaxy A51.
SpecificationROKR E8Galaxy A51
Processor CPU Unknown
  • Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Graphics processor GPU Unknown
  • Mali-G72 MP3
Antutu 7 score * Unknown
  • 155326
Antutu 8 score * Unknown
  • 186846
GeekBench 5 Single Core * Unknown
  • 322
GeekBench 5 Multi-Core * Unknown
  • 1212
General specs
General specs — specifications for ROKR E8, Galaxy A51.
SpecificationROKR E8Galaxy A51
Release date
  • 2007
  • September
  • 2019
  • December
Colors
  • Dark Navy
  • Platinum
  • Prism Crush Black
  • White
  • Blue
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • $280
Battery life
  • Stand by time- Up to 300 h Talking time- Up to 5 h
  • Talking time- Up to 32 h (3G) Music play - Up to 87 h
Body build Unknown
  • Glass front (Gorilla Glass 3)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for ROKR E8, Galaxy A51.
SpecificationROKR E8Galaxy A51
SIM card
  • Mini-SIM
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE (unspecified)
Speed Unknown
  • HSPA
  • LTE-A
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 1.02 W/kg (head) 0.85 W/kg (body) SAR EU - 0.89 W/kg (head)
  • SAR - 0.80 W/kg (head) 0.67 W/kg (body) SAR EU - 0.37 W/kg (head) 1.59 W/kg (body)
Music and Audio
Music and Audio — specifications for ROKR E8, Galaxy A51.
SpecificationROKR E8Galaxy A51
Radio
  • Stereo FM radio
  • FM radio
Others
  • ModeShift morphing keypad -Navigation scroll wheel
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for ROKR E8, Galaxy A51.
SpecificationROKR E8Galaxy A51
Dop
  • MP3/AAC player -Organizer
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - ANT+ - Fast battery charging 15W - Versions: SM-A515F/DSN (Global); SM-A515F/DS (LATAM); SM-A515F/DST (Brazil); SM-A515F/DSM (Russia); SM-A515F/N (Australia)