Infinix Smart3 Plus vs Siemens SX66

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

    Smart3 Plus: 62 g lighter

    Smart3 Plus:
    148 g
    SX66:
    210 g
  • Width

    SX66: 5 mm narrower

    Smart3 Plus:
    76 mm
    SX66:
    71 mm
  • Screen diagonal

    SX66: 2.7 in smaller diagonal

    Smart3 Plus:
    6.2 in
    SX66:
    3.5 in
  • Depth

    Smart3 Plus: 10.2 mm thinner

    Smart3 Plus:
    7.8 mm
    SX66:
    18 mm
  • Height

    SX66: 32 mm shorter

    Smart3 Plus:
    157 mm
    SX66:
    125 mm
  • Release year

    Smart3 Plus:
    2019
    SX66:
    2004

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. Smart3 Plus

    Height:
    157 mm +32 mm versus SX66
    Width:
    76 mm +5 mm versus SX66
    Depth:
    7.8 mm
  2. 2. SX66

    Height:
    125 mm
    Width:
    71 mm
    Depth:
    18 mm +10.2 mm versus Smart3 Plus

Weight

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

  1. 1. Smart3 Plus

    148 g

  2. 2. SX66

    210 g

    +62 g versus Smart3 Plus

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. Smart3 Plus

    Screen diagonal:
    6.2 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    95.9 cm²
  2. 2. SX66

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    37.9 cm²

Smart3 Plus has approximately 152.9% more rectangular screen area than SX66.

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.

Smart3 Plus: Original memory entry

32 GB · 2/3 GB RAM

SX66: Original memory entry

128 MB 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. Smart3 Plus

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD

2. SX66

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details SDIO/MMC

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. Smart3 Plus2. SX66

Everyday essentials
Everyday essentials — specifications for Smart3 Plus, SX66.
SpecificationSmart3 PlusSX66
Dimensions (HxWxD)
  • 157 Х 76 Х 7.8 mm
  • 125 Х 71 Х 18 mm
Weight
  • 148 g
  • 210 g
Technology
  • LTPS IPS LCD
  • TFT
Screen size
  • 6.2" inch
  • 3.5" inch
Screen resolution
  • 720 x 1520 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 2/3 GB RAM
  • 128 MB RAM
Memory card support
  • microSD
  • SDIO/MMC
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Po
  • 0 mAh,
Operating system OS
  • Android 9.0 (Pie)
  • Microsoft Windows Mobile 2003 SE PocketPC
Chipset
  • Mediatek MT6761 Helio A22 (12 nm)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Smart3 Plus, SX66.
SpecificationSmart3 PlusSX66
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 97.4 cm2
  • 37.9 cm2
Screen format
  • 19:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 81.6%
  • 42.7%
PPI /points per inch/
  • 269 PPI
  • 114 PPI
Camera and Video
Camera and Video — specifications for Smart3 Plus, SX66.
SpecificationSmart3 PlusSX66
Rear camera, main
  • 13 MP
  • Triple
  • 0 MP,
Camera specs
  • 13 MP
  • f/1.8
  • PDAF -2 MP -QVGA
Unknown
Functions
  • Dual-LED flash
Unknown
Video
  • 1080p@30fps
Unknown
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
Unknown
Performance

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

Performance — specifications for Smart3 Plus, SX66.
SpecificationSmart3 PlusSX66
Processor CPU
  • Quad-core 2.0 GHz Cortex-A53
  • Intel Xscale PXA272 520 MHz
Graphics processor GPU
  • PowerVR GE8320
Unknown
Antutu 7 score *
  • 56322
Unknown
General specs
General specs — specifications for Smart3 Plus, SX66.
SpecificationSmart3 PlusSX66
Release date
  • 2019
  • April
  • 2004
  • Q4
Colors
  • Midnight Black
  • Aqua Blue
  • Cosmic Purple
  • Bordeaux Red
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 7000 INR
Unknown
Battery life Unknown
  • Stand by time- Up to 200 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for Smart3 Plus, SX66.
SpecificationSmart3 PlusSX66
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE
Unknown
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11b
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • USB On-The-Go
  • Proprietary
Bluetooth
  • 5.0
  • A2DP
  • LE
  • Yes
Music and Audio
Music and Audio — specifications for Smart3 Plus, SX66.
SpecificationSmart3 PlusSX66
Radio
  • FM radio
  • No
Others Unknown
  • Downloadable logos
Other features
Other features — specifications for Smart3 Plus, SX66.
SpecificationSmart3 PlusSX66
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Infrared port - Microsoft ActiveSync -MP3/AAC player -Predictive text input