Nokia 5.1 Plus (Nokia X5) 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

    5.1 Plus (Nokia X5): 10 g lighter

    5.1 Plus (Nokia X5):
    160 g
    A1k:
    170 g
  • Width

    5.1 Plus (Nokia X5): 1.8 mm narrower

    5.1 Plus (Nokia X5):
    72 mm
    A1k:
    73.8 mm
  • Screen diagonal

    5.1 Plus (Nokia X5): 0.24 in smaller diagonal

    5.1 Plus (Nokia X5):
    5.86 in
    A1k:
    6.1 in
  • Chipset

    5.1 Plus (Nokia X5):
    Mediatek MT6771 Helio P60 (12 nm)
    A1k:
    Mediatek MT6762 Helio P22 (12 nm)
  • Rear camera layout

    5.1 Plus (Nokia X5):
    Dual
    A1k:
    Single
  • Height

    5.1 Plus (Nokia X5): 5 mm shorter

    5.1 Plus (Nokia X5):
    149.5 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. 5.1 Plus (Nokia X5)

    Height:
    149.5 mm
    Width:
    72 mm
    Depth:
    8.1 mm
  2. 2. A1k

    Height:
    154.5 mm +5 mm versus 5.1 Plus (Nokia X5)
    Width:
    73.8 mm +1.8 mm versus 5.1 Plus (Nokia X5)
    Depth:
    8.4 mm

Weight

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

  1. 1. 5.1 Plus (Nokia X5)

    160 g

  2. 2. A1k

    170 g

    +10 g versus 5.1 Plus (Nokia X5)

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. 5.1 Plus (Nokia X5)

    Screen diagonal:
    5.86 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    85.7 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 6.6% more rectangular screen area than 5.1 Plus (Nokia X5).

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 5.1 Plus (Nokia X5), A1k, compared at the same storage capacity.
Storage5.1 Plus (Nokia X5)A1k
32 GB Unknown 2 GB RAM
5.1 Plus (Nokia X5): Original memory entry

64 GB · 4 GB RAM 32 GB · 3 GB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. 5.1 Plus (Nokia X5)

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 400 GB

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. 5.1 Plus (Nokia X5)

    3060 mAh

  2. 2. A1k

    4000 mAh

    +940 mAh versus 5.1 Plus (Nokia X5)

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. 5.1 Plus (Nokia X5)2. A1k

Everyday essentials
Everyday essentials — specifications for 5.1 Plus (Nokia X5), A1k.
Specification5.1 Plus (Nokia X5)A1k
Dimensions (HxWxD)
  • 149.5 Х 72 Х 8.1 mm
  • 154.5 Х 73.8 Х 8.4 mm
Weight
  • 160 g
  • 170 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.86" inch
  • 6.1" inch
Screen resolution
  • 720 x 1520 px
  • 720 x 1560 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
  • 32 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 400 GB
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3060 mAh
  • Non-removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo)
  • upgradable to Android 9.0 (Pie); Android One
  • Android 9.0 (Pie); ColorOS 6
Chipset
  • Mediatek MT6771 Helio P60 (12 nm)
  • Mediatek MT6762 Helio P22 (12 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for 5.1 Plus (Nokia X5), A1k.
Specification5.1 Plus (Nokia X5)A1k
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 85.7 cm2
  • 91.3 cm2
Screen format
  • 19:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 79.6%
  • 80.1%
PPI /points per inch/
  • 287 PPI
  • 282 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for 5.1 Plus (Nokia X5), A1k.
Specification5.1 Plus (Nokia X5)A1k
Rear camera, main
  • 13 MP
  • Dual
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • PDAF -5 MP
  • depth sensor
  • 8 MP
  • f/2.2
  • 1/3.2''
  • 1.4µm
  • AF
Functions
  • LED flash
  • HDR
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 720p
Front camera, selfie
  • 8 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 8 MP
  • f/2.2
  • 26mm (wide)
  • 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 5.1 Plus (Nokia X5), A1k.
Specification5.1 Plus (Nokia X5)A1k
Processor CPU
  • Octa-core (4x1.8 GHz Cortex-A73 & 4x1.8 GHz Cortex-A53) Global -Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) China
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU
  • Mali-G72 MP3
  • PowerVR GE8320
Antutu 7 score * Unknown
  • 75826
General specs
General specs — specifications for 5.1 Plus (Nokia X5), A1k.
Specification5.1 Plus (Nokia X5)A1k
Release date
  • 2018
  • July
  • 2019
  • April
Colors
  • Night black
  • Glacier white
  • Baltic sea blue
  • Black
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 100 EUR
Body build
  • Front/back glass
  • plastic frame
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for 5.1 Plus (Nokia X5), A1k.
Specification5.1 Plus (Nokia X5)A1k
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
  • 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
  • LTE Cat4 150/50 Mbps
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.78 W/kg (head) 1.89 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for 5.1 Plus (Nokia X5), A1k.
Specification5.1 Plus (Nokia X5)A1k
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for 5.1 Plus (Nokia X5), A1k.
Specification5.1 Plus (Nokia X5)A1k
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Versions: Nokia 5.1 Plus (Global); Nokia X5 (China)
  • Sensors Accelerometer
  • proximity
  • compass - Versions: CPH1923