A1 Smart N9 vs Infinix S3X

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.

  • Width

    Smart N9: 6.5 mm narrower

    Smart N9:
    68.8 mm
    S3X:
    75.3 mm
  • Screen diagonal

    Smart N9: 0.7 in smaller diagonal

    Smart N9:
    5.5 in
    S3X:
    6.2 in
  • Chipset

    Smart N9:
    Mediatek MT6739WA (28 nm)
    S3X:
    Qualcomm MSM8937 Snapdragon 430 (28 nm)
  • Rear camera layout

    Smart N9:
    Single
    S3X:
    Dual
  • Depth

    S3X: 0.7 mm thinner

    Smart N9:
    8.7 mm
    S3X:
    8 mm
  • Height

    Smart N9: 9.6 mm shorter

    Smart N9:
    147.1 mm
    S3X:
    156.7 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. Smart N9

    Height:
    147.1 mm
    Width:
    68.8 mm
    Depth:
    8.7 mm +0.7 mm versus S3X
    Weight:
    145 g
  2. 2. S3X

    Height:
    156.7 mm +9.6 mm versus Smart N9
    Width:
    75.3 mm +6.5 mm versus Smart N9
    Depth:
    8 mm
    Weight:
    Unknown

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. Smart N9

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    78.1 cm²
  2. 2. S3X

    S3X: Screen geometry unavailable or conflicting.

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 Smart N9, S3X, compared at the same storage capacity.
StorageSmart N9S3X
16 GB 2 GB RAM Unknown
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. Smart N9

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

2. S3X

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. Smart N9

    2900 mAh

  2. 2. S3X

    4000 mAh

    +1100 mAh versus Smart N9

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. Smart N92. S3X

Everyday essentials
Everyday essentials — specifications for Smart N9, S3X.
SpecificationSmart N9S3X
Dimensions (HxWxD)
  • 147.1 Х 68.8 Х 8.7 mm
  • 156.7 Х 75.3 Х 8 mm
Weight
  • 145 g
  • 0 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 6.2" inch
Screen resolution
  • 720 x 1440 px
  • 720 x 1500 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16GB 2GB RAM
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 128 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 8.1 (Oreo)
  • Android 8.1 (Oreo)
Chipset
  • Mediatek MT6739WA (28 nm)
  • Qualcomm MSM8937 Snapdragon 430 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Smart N9, S3X.
SpecificationSmart N9S3X
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 78.1 cm2
  • 96.7 cm2
Screen format
  • 18:9 (height:width)
Unknown
Screen to body ratio
  • 77.1%
  • 82.0%
PPI /points per inch/
  • 293 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for Smart N9, S3X.
SpecificationSmart N9S3X
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 13 MP
  • AF
  • 13 MP
  • PDAF -2 MP
  • depth sensor
Functions
  • LED flash
  • Dual-LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 8 MP
  • 16 MP
  • 1.4µm
Performance

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

Performance — specifications for Smart N9, S3X.
SpecificationSmart N9S3X
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Octa-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • Mali-T720MP2
  • Adreno 505
Antutu 7 score * Unknown
  • 43722
General specs
General specs — specifications for Smart N9, S3X.
SpecificationSmart N9S3X
Release date
  • 2018
  • June
  • 2018
Colors
  • Silver Aluminium
  • Black Titanium
  • Ice Blue
  • Sandstone Black
  • Tradewinds Grey
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Smart N9, S3X.
SpecificationSmart N9S3X
SIM card
  • Nano-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA -4G - LTE (unspecified)
  • 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)
Speed
  • HSPA
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.96 W/kg (head) 1.56 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Smart N9, S3X.
SpecificationSmart N9S3X
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Smart N9, S3X.
SpecificationSmart N9S3X
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W