Infinix S3X vs Samsung Galaxy A71

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    S3X:
    LCD
    Galaxy A71:
    OLED
  • Screen diagonal

    S3X: 0.5 in smaller diagonal

    S3X:
    6.2 in
    Galaxy A71:
    6.7 in
  • Rear camera layout

    S3X:
    Dual
    Galaxy A71:
    Quad
  • Height

    S3X: 6.9 mm shorter

    S3X:
    156.7 mm
    Galaxy A71:
    163.6 mm
  • Release year

    S3X:
    2018
    Galaxy A71:
    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. Galaxy A71

    Height:
    163.6 mm +6.9 mm versus S3X
    Width:
    76 mm
    Depth:
    7.7 mm
    Weight:
    179 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. Galaxy A71

    Screen diagonal:
    6.7 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    108.4 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 S3X, Galaxy A71, compared at the same storage capacity.
StorageS3XGalaxy A71
128 GB Unknown 6 / 8 GB RAM Alternative RAM configurations
S3X: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 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. S3X

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

2. Galaxy A71

NFC:
See details Yes (market dependent)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 1 TB (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. Galaxy A71

    4500 mAh

    +500 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. Galaxy A71

Everyday essentials
Everyday essentials — specifications for S3X, Galaxy A71.
SpecificationS3XGalaxy A71
Dimensions (HxWxD)
  • 156.7 Х 75.3 Х 8 mm
  • 163.6 Х 76 Х 7.7 mm
Weight
  • 0 g
  • 179 g
Technology
  • IPS LCD
  • Super AMOLED Plus
Screen size
  • 6.2" inch
  • 6.7" inch
Screen resolution
  • 720 x 1500 px
  • 1080 x 2400 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 6GB RAM
  • 128GB 8GB RAM
Memory card support
  • microSD
  • up to 128 GB (dedicated slot)
  • microSD
  • up to 1 TB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Po
  • 4500 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo)
  • Android 10.0; One UI 2
Chipset
  • Qualcomm MSM8937 Snapdragon 430 (28 nm)
  • Qualcomm SDM730 Snapdragon 730 (8 nm) Global Qualcomm SDM730 Snapdragon 730G (8 nm) Philippines
NFC Unknown
  • Yes (market dependent)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for S3X, Galaxy A71.
SpecificationS3XGalaxy A71
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 96.7 cm2
  • 108.4 cm2
Screen format Unknown
  • 20:9 (height:width)
Screen to body ratio
  • 82.0%
  • 87.2%
PPI /points per inch/
  • 0 PPI
  • 393 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video

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

Camera and Video — specifications for S3X, Galaxy A71.
SpecificationS3XGalaxy A71
Rear camera, main
  • 13 MP
  • Dual
  • 64 MP
  • Quad
Camera specs
  • 13 MP
  • PDAF -2 MP
  • depth sensor
  • 64 MP
  • f/1.8
  • 26mm (wide)
  • 1/1.72"
  • 0.8µm
  • PDAF -12 MP
  • f/2.2
  • 12mm (ultrawide) -5 MP
  • f/2.4
  • 25mm (macro)
  • 1/5.0"
  • 1.12µm -5 MP
  • 1.12µm
  • depth sensor
Functions
  • Dual-LED flash
  • panorama
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 32 MP
  • Single
Specifications
  • 16 MP
  • 1.4µm
  • 32 MP
  • f/2.2
  • 26mm (wide)
  • 1/2.8"
  • 0.8µm
DxOMark Main Score * Unknown
  • 84
DxOMark Photo * Unknown
  • 89
DxOMark Video * Unknown
  • 74
Performance

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

Performance — specifications for S3X, Galaxy A71.
SpecificationS3XGalaxy A71
Processor CPU
  • Octa-core 1.4 GHz Cortex-A53
  • Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
Graphics processor GPU
  • Adreno 505
  • Adreno 618
Antutu 7 score *
  • 43722
Unknown
Antutu 8 score * Unknown
  • 265537
GeekBench 5 Single Core * Unknown
  • 509
GeekBench 5 Multi-Core * Unknown
  • 1638
General specs
General specs — specifications for S3X, Galaxy A71.
SpecificationS3XGalaxy A71
Release date
  • 2018
  • 2019
  • December
Colors
  • Ice Blue
  • Sandstone Black
  • Tradewinds Grey
  • Prism
  • Crush Black
  • Silver
  • Blue
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 399 EUR
Body build Unknown
  • Glass front (Gorilla Glass 3)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for S3X, Galaxy A71.
SpecificationS3XGalaxy A71
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Single SIM (Nano-SIM)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 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE (unspecified)
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
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR - 0.98 W/kg (head) 0.90 W/kg (body) SAR EU - 0.51 W/kg (head) 1.56 W/kg (body)
Music and Audio
Music and Audio — specifications for S3X, Galaxy A71.
SpecificationS3XGalaxy A71
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for S3X, Galaxy A71.
SpecificationS3XGalaxy A71
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - ANT+ - Fast battery charging 25W - Versions: SM-A715F/DS
  • SM-A715F/DSN (Global); SM-A715F/DSM (Russia)