Gionee M12 vs Oppo A91

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

    M12:
    LCD
    A91:
    OLED
  • Weight

    A91: 24 g lighter

    M12:
    196 g
    A91:
    172 g
  • Width

    A91: 3.5 mm narrower

    M12:
    76.8 mm
    A91:
    73.3 mm
  • Memory variants

    At 128 GB storage

    M12:
    6 GB RAM
    A91:
    8 GB RAM
  • Depth

    A91: 1.4 mm thinner

    M12:
    9.3 mm
    A91:
    7.9 mm
  • Height

    A91: 3.7 mm shorter

    M12:
    163.9 mm
    A91:
    160.2 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. M12

    Height:
    163.9 mm +3.7 mm versus A91
    Width:
    76.8 mm +3.5 mm versus A91
    Depth:
    9.3 mm +1.4 mm versus A91
  2. 2. A91

    Height:
    160.2 mm
    Width:
    73.3 mm
    Depth:
    7.9 mm

Weight

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

  1. 1. M12

    196 g

    +24 g versus A91

  2. 2. A91

    172 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. M12

    Screen diagonal:
    6.55 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    103.6 cm²
  2. 2. A91

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

M12 has approximately 4.7% more rectangular screen area than A91.

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 M12, A91, compared at the same storage capacity.
StorageM12A91
64 GB 4 GB RAM Not recorded
128 GB Recorded for all phones 6 GB RAM 8 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. M12

NFC:
No
Headphone jack:
Yes
Memory card support:
See details microSDXC

2. A91

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. M12

    5100 mAh

    +1075 mAh versus A91

  2. 2. A91

    4025 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. M122. A91

Everyday essentials
Everyday essentials — specifications for M12, A91.
SpecificationM12A91
Dimensions (HxWxD)
  • 163.9 Х 76.8 Х 9.3 mm
  • 160.2 Х 73.3 Х 7.9 mm
Weight
  • 196 g
  • 172 g
Technology
  • IPS LCD
  • AMOLED
Screen size
  • 6.55" inc
  • 6.4" inch
Screen resolution
  • 720 x 1600 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64GB 4GB RAM
  • 128GB 6GB RAM
  • 128GB 8GB RAM
Memory card support
  • microSDXC
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 5100 mAh
  • Li-Po
  • non-removable
  • 4025 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 10
  • Android 9.0 (Pie); ColorOS 6.1
Chipset
  • - MediaTek Helio A25 (12 nm) - Mediatek MT6762 Helio P22 (12 nm)
  • Mediatek MT6771V Helio P70 (12nm)
NFC
  • No
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for M12, A91.
SpecificationM12A91
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 103.6 cm2
  • 100.4 cm2
Screen format
  • 20:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 82.3%
  • 85.5%
PPI /points per inch/ Unknown
  • 408 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for M12, A91.
SpecificationM12A91
Rear camera, main
  • 48 MP
  • Quad
  • 48 MP
  • Quad
Camera specs
  • -48 MP
  • f/1.8
  • (wide)
  • PDAF -5 MP
  • f/2.2
  • 115˚
  • (ultrawide) -2 MP (depth) -2 MP (depth)
  • 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
Functions
  • LED flash
  • HDR
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 16 MP
  • 16 MP
  • f/2.0
  • 26mm (wide)
  • 1/3.1''
  • 1.0µm
Performance

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

Performance — specifications for M12, A91.
SpecificationM12A91
Processor CPU
  • - Octa-core (4x1.8 GHz Cortex-A53 & 4x1.5 GHz Cortex-A53) -Octa-core 2.0 GHz Cortex-A53
  • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU
  • - PowerVR GE8320
  • Mali-G72 MP3
Antutu 7 score * Unknown
  • 135756
General specs
General specs — specifications for M12, A91.
SpecificationM12A91
Release date
  • 2020
  • November 16
  • 2019
  • December
Colors
  • Magic Green
  • Dazzling Black
  • Dark Blue
  • Red
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 260 EUR
Body build
  • Glass front
  • plastic frame
  • plastic back
  • Glass front (Gorilla Glass 5)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for M12, A91.
SpecificationM12A91
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 -3G - HSDPA 900 / 1900 -4G - 1
  • 2
  • 3
  • 5
  • 7
  • 8
  • 20
  • 28
  • 40
  • 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)
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/11.5 Mbps
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac/ax
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • USB Type-C 2.0
  • USB On-The-Go
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for M12, A91.
SpecificationM12A91
Radio
  • FM radio
  • FM radio
Others Unknown
  • 430 nits typ. brightness
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for M12, A91.
SpecificationM12A91
Dop
  • - Sensors - Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 20W
  • 50% in 30 min -VOOC 3.0