Oppo A1k vs Oppo R7s

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.

  • Display technology

    OLED versus LCD

    A1k:
    LCD
    R7s:
    OLED
  • Weight

    R7s: 15 g lighter

    A1k:
    170 g
    R7s:
    155 g
  • Width

    A1k: 1.6 mm narrower

    A1k:
    73.8 mm
    R7s:
    75.4 mm
  • Screen diagonal

    R7s: 0.6 in smaller diagonal

    A1k:
    6.1 in
    R7s:
    5.5 in
  • Chipset

    A1k:
    Mediatek MT6762 Helio P22 (12 nm)
    R7s:
    Qualcomm MSM8939 Snapdragon 615 (28 nm)
  • Depth

    R7s: 1.4 mm thinner

    A1k:
    8.4 mm
    R7s:
    7 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. A1k

    Height:
    154.5 mm +2.7 mm versus R7s
    Width:
    73.8 mm
    Depth:
    8.4 mm +1.4 mm versus R7s
  2. 2. R7s

    Height:
    151.8 mm
    Width:
    75.4 mm +1.6 mm versus A1k
    Depth:
    7 mm

Weight

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

  1. 1. A1k

    170 g

    +15 g versus R7s

  2. 2. R7s

    155 g

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. A1k

    Screen diagonal:
    6.1 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    91.3 cm²
  2. 2. R7s

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

A1k has approximately 9.5% more rectangular screen area than R7s.

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 A1k, R7s, compared at the same storage capacity.
StorageA1kR7s
32 GB 2 GB RAM Unknown
R7s: Original memory entry

32 GB · 512GB 4GB

Practical features

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

1. A1k

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. R7s

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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. A1k

    4000 mAh

    +930 mAh versus R7s

  2. 2. R7s

    3070 mAh

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. A1k2. R7s

Everyday essentials
Everyday essentials — specifications for A1k, R7s.
SpecificationA1kR7s
Dimensions (HxWxD)
  • 154.5 Х 73.8 Х 8.4 mm
  • 151.8 Х 75.4 Х 7 mm
Weight
  • 170 g
  • 155 g
Technology
  • IPS LCD
  • AMOLED
Screen size
  • 6.1" inch
  • 5.5" inch
Screen resolution
  • 720 x 1560 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 2 GB RAM
  • 32 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Po
  • 3070 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 9.0 (Pie); ColorOS 6
  • Android 5.1 (Lollipop); ColorOS 2.1
Chipset
  • Mediatek MT6762 Helio P22 (12 nm)
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A1k, R7s.
SpecificationA1kR7s
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 91.3 cm2
  • 83.4 cm2
Screen format
  • 19.5:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 80.1%
  • 72.9%
PPI /points per inch/
  • 282 PPI
  • 401 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for A1k, R7s.
SpecificationA1kR7s
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 8 MP
  • f/2.2
  • 1/3.2''
  • 1.4µm
  • AF
  • 13 MP
  • PDAF
  • f/2.2
Functions
  • HDR
  • LED flash
  • panorama
  • HDR
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 5 MP
  • f/2.0
  • 1/5''
  • 1.12µm
  • 8 MP
  • f/2.4
Performance

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

Performance — specifications for A1k, R7s.
SpecificationA1kR7s
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU
  • PowerVR GE8320
  • Adreno 405
Antutu 7 score *
  • 75826
  • 31150
GeekBench 4 Single Core * Unknown
  • 773
GeekBench 4 Multi-Core * Unknown
  • 3742
General specs
General specs — specifications for A1k, R7s.
SpecificationA1kR7s
Release date
  • 2019
  • April
  • 2015
  • October
Colors
  • Black
  • Red
  • Golden
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 100 EUR
  • 260 EUR
Body build
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A1k, R7s.
SpecificationA1kR7s
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Nano-SIM/ Micro-SIM
  • dual stand-by)
Network
  • 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)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 - Global
  • Taiwan
  • USA -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 40(2300) - Global LTE band 1(2100)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - Taiwan LTE band 1(2100)
  • 2(1900)
  • 4(1700/2100)
  • 17(700) - USA
Speed
  • HSPA
  • LTE-A
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
  • USB Host
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for A1k, R7s.
SpecificationA1kR7s
Radio
  • FM radio
  • No
Others
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A1k, R7s.
SpecificationA1kR7s
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Versions: CPH1923
  • Sensors Accelerometer
  • proximity
  • compass - Fast battery charging: 75% in 30 min (VOOC Flash Charge)