Infinix S3X vs Oppo A9 (2020)

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.

  • Screen diagonal

    S3X: 0.3 in smaller diagonal

    S3X:
    6.2 in
    A9 (2020):
    6.5 in
  • Chipset

    S3X:
    Qualcomm MSM8937 Snapdragon 430 (28 nm)
    A9 (2020):
    Qualcomm SDM665 Snapdragon 665 (11 nm)
  • Rear camera layout

    S3X:
    Dual
    A9 (2020):
    Quad
  • Depth

    S3X: 1.1 mm thinner

    S3X:
    8 mm
    A9 (2020):
    9.1 mm
  • Height

    S3X: 6.9 mm shorter

    S3X:
    156.7 mm
    A9 (2020):
    163.6 mm
  • Release year

    S3X:
    2018
    A9 (2020):
    2019

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. S3X

    Height:
    156.7 mm
    Width:
    75.3 mm
    Depth:
    8 mm
    Weight:
    Unknown
  2. 2. A9 (2020)

    Height:
    163.6 mm +6.9 mm versus S3X
    Width:
    75.6 mm
    Depth:
    9.1 mm +1.1 mm versus S3X
    Weight:
    195 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. S3X

    S3X: Screen geometry unavailable or conflicting.

  2. 2. A9 (2020)

    Screen diagonal:
    6.5 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    102 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

S3X: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 GB RAM

A9 (2020): Original memory entry

128GB 4GB RAM · 128GB 8GB RAM · UFS2.1

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. S3X

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (dedicated slot)

2. A9 (2020)

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. S3X

    4000 mAh

  2. 2. A9 (2020)

    5000 mAh

    +1000 mAh versus S3X

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. S3X2. A9 (2020)

Everyday essentials
Everyday essentials — specifications for S3X, A9 (2020).
SpecificationS3XA9 (2020)
Dimensions (HxWxD)
  • 156.7 Х 75.3 Х 8 mm
  • 163.6 Х 75.6 Х 9.1 mm
Weight
  • 0 g
  • 195 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.2" inch
  • 6.5" inch
Screen resolution
  • 720 x 1500 px
  • 720 x 1600 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
  • 128GB 4GB RAM
  • 128GB 8GB RAM
  • UFS2.1
Memory card support
  • microSD
  • up to 128 GB (dedicated 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
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo)
  • Android 9.0 (Pie); ColorOS 6.1
Chipset
  • Qualcomm MSM8937 Snapdragon 430 (28 nm)
  • Qualcomm SDM665 Snapdragon 665 (11 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for S3X, A9 (2020).
SpecificationS3XA9 (2020)
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 96.7 cm2
  • 102.0 cm2
Screen format Unknown
  • 20:9 (height:width)
Screen to body ratio
  • 82.0%
  • 82.5%
PPI /points per inch/
  • 0 PPI
  • 270 PPI
Camera and Video
Camera and Video — specifications for S3X, A9 (2020).
SpecificationS3XA9 (2020)
Rear camera, main
  • 13 MP
  • Dual
  • 48 MP
  • Quad
Camera specs
  • 13 MP
  • PDAF -2 MP
  • depth sensor
  • 48 MP
  • f/1.8
  • (wide)
  • 1/2.3''
  • 0.8µm
  • PDAF -8 MP
  • f/2.3
  • 13mm (ultrawide)
  • 1/4''
  • 1.12µm
  • AF -2 MP
  • f/2.4
  • 1/5''
  • 1.75µm -2 MP
  • 1.75µm
  • depth sensor
Functions
  • Dual-LED flash
  • panorama
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 16 MP
  • 1.4µm
  • 16 MP
  • f/2.0
  • 1/3.1''
  • 1.0µm
Performance

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

Performance — specifications for S3X, A9 (2020).
SpecificationS3XA9 (2020)
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 *
  • 43722
Unknown
Antutu 8 score * Unknown
  • 172000
General specs
General specs — specifications for S3X, A9 (2020).
SpecificationS3XA9 (2020)
Release date
  • 2018
  • 2019
  • September
Colors
  • Ice Blue
  • Sandstone Black
  • Tradewinds Grey
  • Marine Green
  • Space Purple
Communication and Connectivity
Communication and Connectivity — specifications for S3X, A9 (2020).
SpecificationS3XA9 (2020)
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 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
  • 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
  • GALILEO
  • BDS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for S3X, A9 (2020).
SpecificationS3XA9 (2020)
Radio
  • FM radio
  • FM radio
Others Unknown
  • 24-bit/192kHz audio -Dolby Atmos sound -Active noise cancellation with dedicated mic
Other features
Other features — specifications for S3X, A9 (2020).
SpecificationS3XA9 (2020)
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Reverse charging