Oppo A91 vs Xiaomi Redmi Go

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

    A91:
    OLED
    Redmi Go:
    LCD
  • Weight

    Redmi Go: 35 g lighter

    A91:
    172 g
    Redmi Go:
    137 g
  • Width

    Redmi Go: 3.2 mm narrower

    A91:
    73.3 mm
    Redmi Go:
    70.1 mm
  • Screen diagonal

    Redmi Go: 1.4 in smaller diagonal

    A91:
    6.4 in
    Redmi Go:
    5 in
  • Chipset

    A91:
    Mediatek MT6771V Helio P70 (12nm)
    Redmi Go:
    Qualcomm MSM8917 Snapdragon 425 (28 nm)
  • Rear camera layout

    A91:
    Quad
    Redmi Go:
    Single

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 +19.8 mm versus Redmi Go
    Width:
    73.3 mm +3.2 mm versus Redmi Go
    Depth:
    7.9 mm
  2. 2. Redmi Go

    Height:
    140.4 mm
    Width:
    70.1 mm
    Depth:
    8.4 mm +0.5 mm versus A91

Weight

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

  1. 1. A91

    172 g

    +35 g versus Redmi Go

  2. 2. Redmi Go

    137 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. Redmi Go

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

A91 has approximately 43.5% more rectangular screen area than Redmi Go.

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, Redmi Go, compared at the same storage capacity.
StorageA91Redmi Go
8 GB Not recorded 1 GB RAM
128 GB 8 GB RAM Not recorded

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. Redmi Go

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 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. A91

    4025 mAh

    +1025 mAh versus Redmi Go

  2. 2. Redmi Go

    3000 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. Redmi Go

Everyday essentials
Everyday essentials — specifications for A91, Redmi Go.
SpecificationA91Redmi Go
Dimensions (HxWxD)
  • 160.2 Х 73.3 Х 7.9 mm
  • 140.4 Х 70.1 Х 8.4 mm
Weight
  • 172 g
  • 137 g
Technology
  • AMOLED
  • IPS LCD
Screen size
  • 6.4" inch
  • 5" inch
Screen resolution
  • 1080 x 2400 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128GB 8GB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 128 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4025 mAh
  • Non-removable Li-Po
  • 3000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 9.0 (Pie); ColorOS 6.1
  • Android 8.1 Oreo (Go edition)
Chipset
  • Mediatek MT6771V Helio P70 (12nm)
  • Qualcomm MSM8917 Snapdragon 425 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A91, Redmi Go.
SpecificationA91Redmi Go
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 100.4 cm2
  • 68.9 cm2
Screen format
  • 20:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 85.5%
  • 70.0%
PPI /points per inch/
  • 408 PPI
  • 294 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video
Camera and Video — specifications for A91, Redmi Go.
SpecificationA91Redmi Go
Rear camera, main
  • 48 MP
  • Quad
  • 8 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
  • 8 MP
  • f/2.0
  • 1.12µm
  • AF
Functions
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p
Front camera, selfie
  • 16 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 16 MP
  • f/2.0
  • 26mm (wide)
  • 1/3.1''
  • 1.0µm
  • 5 MP
  • f/2.2
  • 1.12µm
Performance

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

Performance — specifications for A91, Redmi Go.
SpecificationA91Redmi Go
Processor CPU
  • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
  • Quad-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • Mali-G72 MP3
  • Adreno 308
Antutu 7 score *
  • 135756
  • 32456
GeekBench 4 Single Core * Unknown
  • 629
GeekBench 4 Multi-Core * Unknown
  • 1587
General specs
General specs — specifications for A91, Redmi Go.
SpecificationA91Redmi Go
Release date
  • 2019
  • December
  • 2019
  • January
Colors
  • Dark Blue
  • Red
  • Blue
  • Black
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 260 EUR
  • 80 EUR
Body build
  • Glass front (Gorilla Glass 5)
  • plastic back
  • plastic frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A91, Redmi Go.
SpecificationA91Redmi Go
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM
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 -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)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE-A
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 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 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for A91, Redmi Go.
SpecificationA91Redmi Go
Radio
  • FM radio
  • FM radio
Others
  • 430 nits typ. brightness
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A91, Redmi Go.
SpecificationA91Redmi Go
Dop
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 20W
  • 50% in 30 min -VOOC 3.0
  • Sensors Accelerometer
  • proximity