Motorola Moto G8 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

    Moto G8:
    LCD
    A91:
    OLED
  • Weight

    A91: 16.3 g lighter

    Moto G8:
    188.3 g
    A91:
    172 g
  • Width

    A91: 2.5 mm narrower

    Moto G8:
    75.8 mm
    A91:
    73.3 mm
  • Chipset

    Moto G8:
    Qualcomm SM6125 Snapdragon 665 (11 nm)
    A91:
    Mediatek MT6771V Helio P70 (12nm)
  • Rear camera layout

    Moto G8:
    Triple
    A91:
    Quad
  • Depth

    A91: 1.1 mm thinner

    Moto G8:
    9 mm
    A91:
    7.9 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. Moto G8

    Height:
    161.3 mm
    Width:
    75.8 mm +2.5 mm versus A91
    Depth:
    9 mm +1.1 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. Moto G8

    188.3 g

    +16.3 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. Moto G8

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.5 cm²
  2. 2. A91

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

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 Moto G8, A91, compared at the same storage capacity.
StorageMoto G8A91
64 GB 4 GB RAM Not recorded
128 GB Not recorded 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. Moto G8

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (uses shared SIM slot)

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. Moto G8

    4000 mAh

  2. 2. A91

    4025 mAh

    +25 mAh versus Moto G8

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. Moto G82. A91

Everyday essentials
Everyday essentials — specifications for Moto G8, A91.
SpecificationMoto G8A91
Dimensions (HxWxD)
  • 161.3 Х 75.8 Х 9 mm
  • 160.2 Х 73.3 Х 7.9 mm
Weight
  • 188.3 g
  • 172 g
Technology
  • IPS LCD
  • AMOLED
Screen size
  • 6.4" inch
  • 6.4" inch
Screen resolution
  • 720 x 1560 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 8GB RAM
Memory card support
  • microSDXC (uses shared SIM slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Po
  • 4025 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 10.0
  • Android 9.0 (Pie); ColorOS 6.1
Chipset
  • Qualcomm SM6125 Snapdragon 665 (11 nm)
  • Mediatek MT6771V Helio P70 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Moto G8, A91.
SpecificationMoto G8A91
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 100.5 cm2
  • 100.4 cm2
Screen format
  • 19.5:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 82.2%
  • 85.5%
PPI /points per inch/
  • 268 PPI
  • 408 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Moto G8, A91.
SpecificationMoto G8A91
Rear camera, main
  • 16 MP
  • Triple
  • 48 MP
  • Quad
Camera specs
  • 16 MP
  • f/1.7
  • (wide)
  • 1/2.8''
  • 1.12µm
  • PDAF
  • Laser AF -8 MP
  • f/2.2
  • 13mm (ultrawide) -2 MP
  • (macro)
  • 1/5.0''
  • 1.75µm
  • 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
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 1.12µm
  • 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 Moto G8, A91.
SpecificationMoto G8A91
Processor CPU
  • Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
  • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 610
  • Mali-G72 MP3
Antutu 7 score * Unknown
  • 135756
Antutu 8 score *
  • 165379
Unknown
General specs
General specs — specifications for Moto G8, A91.
SpecificationMoto G8A91
Release date
  • 2020
  • March 5
  • 2019
  • December
Colors
  • White Prism
  • Capri Blue
  • Dark Blue
  • Red
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
  • 260 EUR
Body build
  • Glass front
  • plastic back
  • plastic frame
  • Glass front (Gorilla Glass 5)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Moto G8, A91.
SpecificationMoto G8A91
SIM card
  • Hybrid 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 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 28(700)
  • 66(1700/2100)
  • 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 42.2/5.76 Mbps
  • LTE-A
  • HSPA 42.2/11.5 Mbps
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac/ax
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Moto G8, A91.
SpecificationMoto G8A91
Radio
  • FM radio
  • FM radio
Others Unknown
  • 430 nits typ. brightness
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Moto G8, A91.
SpecificationMoto G8A91
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Battery charging 10W
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 20W
  • 50% in 30 min -VOOC 3.0