Oppo A91 vs Oppo R9s

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

    R9s: 27 g lighter

    A91:
    172 g
    R9s:
    145 g
  • Width

    A91: 1 mm narrower

    A91:
    73.3 mm
    R9s:
    74.3 mm
  • Screen diagonal

    R9s: 0.9 in smaller diagonal

    A91:
    6.4 in
    R9s:
    5.5 in
  • Chipset

    A91:
    Mediatek MT6771V Helio P70 (12nm)
    R9s:
    Qualcomm MSM8953 Snapdragon 625 (14 nm)
  • Rear camera layout

    A91:
    Quad
    R9s:
    Single
  • Depth

    R9s: 1.3 mm thinner

    A91:
    7.9 mm
    R9s:
    6.6 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. A91

    Height:
    160.2 mm +7.2 mm versus R9s
    Width:
    73.3 mm
    Depth:
    7.9 mm +1.3 mm versus R9s
  2. 2. R9s

    Height:
    153 mm
    Width:
    74.3 mm +1 mm versus A91
    Depth:
    6.6 mm

Weight

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

  1. 1. A91

    172 g

    +27 g versus R9s

  2. 2. R9s

    145 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. A91

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    98.9 cm²
  2. 2. R9s

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

A91 has approximately 18.6% more rectangular screen area than R9s.

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 A91, R9s, compared at the same storage capacity.
StorageA91R9s
128 GB 8 GB RAM Unknown
R9s: Original memory entry

64 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. A91

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

2. R9s

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. A91

    4025 mAh

    +1015 mAh versus R9s

  2. 2. R9s

    3010 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. A912. R9s

Everyday essentials
Everyday essentials — specifications for A91, R9s.
SpecificationA91R9s
Dimensions (HxWxD)
  • 160.2 Х 73.3 Х 7.9 mm
  • 153 Х 74.3 Х 6.6 mm
Weight
  • 172 g
  • 145 g
Technology
  • AMOLED
  • AMOLED
Screen size
  • 6.4" inch
  • 5.5" inch
Screen resolution
  • 1080 x 2400 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128GB 8GB RAM
  • 64 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.
  • 4025 mAh
  • Non-removable Li-Po
  • 3010 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 9.0 (Pie); ColorOS 6.1
  • Android 6.0.1 (Marshmallow)
Chipset
  • Mediatek MT6771V Helio P70 (12nm)
  • Qualcomm MSM8953 Snapdragon 625 (14 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A91, R9s.
SpecificationA91R9s
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 100.4 cm2
  • 83.4 cm2
Screen format
  • 20:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 85.5%
  • 73.4%
PPI /points per inch/
  • 408 PPI
  • 401 PPI
Screen protection
  • Corning Gorilla Glass 5
  • Corning Gorrila Glass 5
Camera and Video
Camera and Video — specifications for A91, R9s.
SpecificationA91R9s
Rear camera, main
  • 48 MP
  • Quad
  • 16 MP
  • Single
Camera specs
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2.0"
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0"
  • 1.12µm -2 MP B/W
  • f/2.4
  • 1/5.0"
  • 1.75µm -2 MP
  • 1.75µm
  • depth sensor
  • 16 MP
  • f/1.7
  • 1/2.8''
  • 1.12µm
  • dual pixel PDAF
Functions
  • HDR
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 16 MP
  • f/2.0
  • 26mm (wide)
  • 1/3.1''
  • 1.0µm
  • 16 MP
  • f/2.0
Performance

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

Performance — specifications for A91, R9s.
SpecificationA91R9s
Processor CPU
  • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU
  • Mali-G72 MP3
  • Adreno 506
Antutu 7 score *
  • 135756
  • 62154
GeekBench 4 Single Core * Unknown
  • 859
GeekBench 4 Multi-Core * Unknown
  • 3416
GeekBench 4 RenderScript * Unknown
  • 3102
GeekBench 5 Single Core * Unknown
  • 172
GeekBench 5 Multi-Core * Unknown
  • 1003
General specs
General specs — specifications for A91, R9s.
SpecificationA91R9s
Release date
  • 2019
  • December
  • 2016
  • October
Colors
  • Dark Blue
  • Red
  • Blue
  • Black
  • Gold
  • Rose Gold
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 260 EUR
  • 450 EUR
Body build
  • Glass front (Gorilla Glass 5)
  • plastic back
  • plastic frame
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for A91, R9s.
SpecificationA91R9s
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Hybrid 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 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO & TD-SCDMA -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE-A
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac/ax
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for A91, R9s.
SpecificationA91R9s
Radio
  • FM radio
  • No
Others
  • 430 nits typ. brightness
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A91, R9s.
SpecificationA91R9s
Dop
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 20W
  • 50% in 30 min -VOOC 3.0
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging