Motorola CHARM vs Oppo A1k

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

    CHARM: 60 g lighter

    CHARM:
    110 g
    A1k:
    170 g
  • Width

    CHARM: 6.6 mm narrower

    CHARM:
    67.2 mm
    A1k:
    73.8 mm
  • Screen diagonal

    CHARM: 3.3 in smaller diagonal

    CHARM:
    2.8 in
    A1k:
    6.1 in
  • Chipset

    CHARM:
    TI OMAP 3410
    A1k:
    Mediatek MT6762 Helio P22 (12 nm)
  • Depth

    A1k: 3 mm thinner

    CHARM:
    11.4 mm
    A1k:
    8.4 mm
  • Height

    CHARM: 56.1 mm shorter

    CHARM:
    98.4 mm
    A1k:
    154.5 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. CHARM

    Height:
    98.4 mm
    Width:
    67.2 mm
    Depth:
    11.4 mm +3 mm versus A1k
  2. 2. A1k

    Height:
    154.5 mm +56.1 mm versus CHARM
    Width:
    73.8 mm +6.6 mm versus CHARM
    Depth:
    8.4 mm

Weight

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

  1. 1. CHARM

    110 g

  2. 2. A1k

    170 g

    +60 g versus CHARM

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. CHARM

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. A1k

    Screen diagonal:
    6.1 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    91.3 cm²

A1k has approximately 276.2% more rectangular screen area than CHARM.

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 CHARM, A1k, compared at the same storage capacity.
StorageCHARMA1k
32 GB Unknown 2 GB RAM
CHARM: Original memory entry

512 MB RAM; 512 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. CHARM

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 2 GB included

2. A1k

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (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. CHARM

    1130 mAh

  2. 2. A1k

    4000 mAh

    +2870 mAh versus CHARM

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. CHARM2. A1k

Everyday essentials
Everyday essentials — specifications for CHARM, A1k.
SpecificationCHARMA1k
Dimensions (HxWxD)
  • 98.4 Х 67.2 Х 11.4 mm
  • 154.5 Х 73.8 Х 8.4 mm
Weight
  • 110 g
  • 170 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 6.1" inch
Screen resolution
  • 320 x 240 px
  • 720 x 1560 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB RAM; 512 MB
  • 32 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1130 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 2.1 (Eclair)
  • Android 9.0 (Pie); ColorOS 6
Chipset
  • TI OMAP 3410
  • Mediatek MT6762 Helio P22 (12 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for CHARM, A1k.
SpecificationCHARMA1k
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 24.3 cm2
  • 91.3 cm2
Screen format
  • 4:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 36.7%
  • 80.1%
PPI /points per inch/
  • 143 PPI
  • 282 PPI
Screen protection
  • Corning Gorilla Glass
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for CHARM, A1k.
SpecificationCHARMA1k
Rear camera, main
  • 3.15 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 3.15 MP
  • 8 MP
  • f/2.2
  • 1/3.2''
  • 1.4µm
  • AF
Functions Unknown
  • HDR
Video
  • 24fps
  • 720p
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
  • f/2.0
  • 1/5''
  • 1.12µm
Performance

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

Performance — specifications for CHARM, A1k.
SpecificationCHARMA1k
Processor CPU
  • 600 MHz Cortex-A8
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU
  • PowerVR SGX530
  • PowerVR GE8320
Antutu 7 score * Unknown
  • 75826
General specs
General specs — specifications for CHARM, A1k.
SpecificationCHARMA1k
Release date
  • 2010
  • July
  • 2019
  • April
Colors
  • Golden Bronze
  • Cabernet
  • Black
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 100 EUR
Battery life
  • Stand by time- Up to 267 h (2G) / Up to 334 h (3G) Talking time- Up to 6 h 45 min (2G) / Up to 5 h (3G)
Unknown
Body build Unknown
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for CHARM, A1k.
SpecificationCHARMA1k
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 3.6/2 Mbps
  • HSPA
  • LTE-A
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • A2DP
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR - 1.43 W/kg (head) 1.53 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for CHARM, A1k.
SpecificationCHARMA1k
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for CHARM, A1k.
SpecificationCHARMA1k
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP3/eAAC+/WAV/WMA player -MP4/WMV/H.264 player -Organizer -Document viewer -Voice memo/dial -Predictive text input - BACKTRACK touch panel
  • Sensors Accelerometer
  • proximity
  • compass - Versions: CPH1923