Oppo A57 vs Xiaomi Redmi Note 8T

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

    A57: 53 g lighter

    A57:
    147 g
    Redmi Note 8T:
    200 g
  • Width

    A57: 2.5 mm narrower

    A57:
    72.9 mm
    Redmi Note 8T:
    75.4 mm
  • Screen diagonal

    A57: 1.1 in smaller diagonal

    A57:
    5.2 in
    Redmi Note 8T:
    6.3 in
  • Chipset

    A57:
    Qualcomm MSM8940 Snapdragon 435 (28 nm)
    Redmi Note 8T:
    Qualcomm SDM665 Snapdragon 665 (11 nm)
  • Rear camera layout

    A57:
    Single
    Redmi Note 8T:
    Quad
  • Depth

    A57: 0.9 mm thinner

    A57:
    7.7 mm
    Redmi Note 8T:
    8.6 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. A57

    Height:
    149.1 mm
    Width:
    72.9 mm
    Depth:
    7.7 mm
  2. 2. Redmi Note 8T

    Height:
    161.1 mm +12 mm versus A57
    Width:
    75.4 mm +2.5 mm versus A57
    Depth:
    8.6 mm +0.9 mm versus A57

Weight

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

  1. 1. A57

    147 g

  2. 2. Redmi Note 8T

    200 g

    +53 g versus A57

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. A57

    Screen diagonal:
    5.2 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    74.5 cm²
  2. 2. Redmi Note 8T

    Screen diagonal:
    6.3 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    97.4 cm²

Redmi Note 8T has approximately 30.7% more rectangular screen area than A57.

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 A57, Redmi Note 8T, compared at the same storage capacity.
StorageA57Redmi Note 8T
32 GB Recorded for all phones 3 GB RAM 3 GB RAM
64 GB Not recorded 4 GB RAM
128 GB Not recorded 4 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. A57

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

2. Redmi Note 8T

NFC:
Yes
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. A57

    2900 mAh

  2. 2. Redmi Note 8T

    4000 mAh

    +1100 mAh versus A57

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. A572. Redmi Note 8T

Everyday essentials
Everyday essentials — specifications for A57, Redmi Note 8T.
SpecificationA57Redmi Note 8T
Dimensions (HxWxD)
  • 149.1 Х 72.9 Х 7.7 mm
  • 161.1 Х 75.4 Х 8.6 mm
Weight
  • 147 g
  • 200 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.2" inch
  • 6.3" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 32GB 3GB RAM
  • 64GB 4GB RAM
  • 128GB 4GB RAM
Memory card support
  • microSD
  • up to 256 GB
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2900 mAh
  • Non-removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 6 (Marshmallow); ColorOS 3
  • Android 9.0 (Pie); MIUI 10
Chipset
  • Qualcomm MSM8940 Snapdragon 435 (28 nm)
  • Qualcomm SDM665 Snapdragon 665 (11 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A57, Redmi Note 8T.
SpecificationA57Redmi Note 8T
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 74.5 cm2
  • 97.4 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 68.6%
  • 80.2%
PPI /points per inch/
  • 282 PPI
  • 409 PPI
Screen protection
  • Corning Gorilla Glass 4
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for A57, Redmi Note 8T.
SpecificationA57Redmi Note 8T
Rear camera, main
  • 13 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 13 MP
  • PDAF
  • f/2.2
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2''
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4''
  • 1.12µm -2 MP
  • f/2.4
  • 1/5''
  • 1.75µm (dedicated macro camera) -2 MP
  • 1.75µm
  • depth sensor
Functions
  • LED flash
  • HDR
  • panorama
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 13 MP
  • Single
Specifications
  • 16 MP
  • f/2.0
  • 1.12µm
  • AF
  • 13 MP
  • f/2.0
  • 1.12µm
Performance

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

Performance — specifications for A57, Redmi Note 8T.
SpecificationA57Redmi Note 8T
Processor CPU
  • Octa-core 1.4 GHz Cortex-A53
  • Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Graphics processor GPU
  • Adreno 505
  • Adreno 610
Antutu 7 score *
  • 46782
Unknown
GeekBench 4 Single Core *
  • 657
Unknown
GeekBench 4 Multi-Core *
  • 2764
Unknown
GeekBench 4 RenderScript *
  • 2302
Unknown
Antutu 8 score * Unknown
  • 173792
GeekBench 5 Single Core * Unknown
  • 313
GeekBench 5 Multi-Core * Unknown
  • 1398
General specs
General specs — specifications for A57, Redmi Note 8T.
SpecificationA57Redmi Note 8T
Release date
  • 2016
  • November
  • 2019
  • November
Colors
  • Black
  • Gold
  • Rose Gold
  • Stellar blue
  • Moon white
  • Midnight gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
  • 180 EUR
Body build
  • Front glass
  • aluminum body
  • Front/back glass (Gorilla Glass 5)
Communication and Connectivity
Communication and Connectivity — specifications for A57, Redmi Note 8T.
SpecificationA57Redmi Note 8T
SIM card
  • Single SIM (Nano-SIM)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 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 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)
Speed
  • HSPA
  • LTE
  • HSPA 42.2/11.5 Mbps
  • LTE-A
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
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB Host
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.1
  • A2DP
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for A57, Redmi Note 8T.
SpecificationA57Redmi Note 8T
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A57, Redmi Note 8T.
SpecificationA57Redmi Note 8T
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity
  • compass - Also known as Oppo F3 Lite in Vietnam
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 18W