Siemens SX45 vs Xiaomi Redmi S2

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.

  • Weight

    Redmi S2: 160 g lighter

    SX45:
    330 g
    Redmi S2:
    170 g
  • Width

    Redmi S2: 9.7 mm narrower

    SX45:
    87 mm
    Redmi S2:
    77.3 mm
  • Depth

    Redmi S2: 17.9 mm thinner

    SX45:
    26 mm
    Redmi S2:
    8.1 mm
  • Height

    SX45: 26.7 mm shorter

    SX45:
    134 mm
    Redmi S2:
    160.7 mm
  • Release year

    SX45:
    2001
    Redmi S2:
    2018

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. SX45

    Height:
    134 mm
    Width:
    87 mm +9.7 mm versus Redmi S2
    Depth:
    26 mm +17.9 mm versus Redmi S2
  2. 2. Redmi S2

    Height:
    160.7 mm +26.7 mm versus SX45
    Width:
    77.3 mm
    Depth:
    8.1 mm

Weight

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

  1. 1. SX45

    330 g

    +160 g versus Redmi S2

  2. 2. Redmi S2

    170 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. SX45

    SX45: Screen geometry unavailable or conflicting.

  2. 2. Redmi S2

    Screen diagonal:
    5.99 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.6 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.

SX45: Original memory entry

32 MB

Redmi S2: 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. SX45

NFC:
Unknown
Headphone jack:
No
Memory card support:
No

2. Redmi S2

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. SX45

    1550 mAh

  2. 2. Redmi S2

    3080 mAh

    +1530 mAh versus SX45

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. SX452. Redmi S2

Everyday essentials
Everyday essentials — specifications for SX45, Redmi S2.
SpecificationSX45Redmi S2
Dimensions (HxWxD)
  • 134 Х 87 Х 26 mm
  • 160.7 Х 77.3 Х 8.1 mm
Weight
  • 330 g
  • 170 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 0" inch
  • 5.99" inch
Screen resolution
  • 240 x 320 px
  • 720 x 1440 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 MB
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1550 mAh
  • Removable Li-Ion
  • 3080 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows CE 3.0 for PocketPC
  • Android 8.1 (Oreo); MIUI 10
Chipset Unknown
  • Qualcomm MSM8953 Snapdragon 625 (14 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for SX45, Redmi S2.
SpecificationSX45Redmi S2
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area Unknown
  • 92.6 cm2
Screen format
  • 4:3 (height:width)
  • 18:9 (height:width)
Screen to body ratio Unknown
  • 74.5%
PPI /points per inch/
  • 0 PPI
  • 269 PPI
Camera and Video
Camera and Video — specifications for SX45, Redmi S2.
SpecificationSX45Redmi S2
Rear camera, main
  • 0 MP,
  • 12 MP
  • Dual
Camera specs Unknown
  • 12 MP
  • f/2.2
  • 1.25µm
  • PDAF -5 MP
  • depth sensor
Functions Unknown
  • HDR
  • LED flash
Video Unknown
  • 1080p@30fps (gyro-EIS)
Front camera, selfie
  • 0 MP,
  • 16 MP
  • Single
Specifications Unknown
  • 16 MP
Performance

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

Performance — specifications for SX45, Redmi S2.
SpecificationSX45Redmi S2
Processor CPU
  • 64-bit NEC VR4122 150 MHz
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU Unknown
  • Adreno 506
Antutu 7 score * Unknown
  • 78926
GeekBench 4 Single Core * Unknown
  • 835
GeekBench 4 Multi-Core * Unknown
  • 4087
GeekBench 5 Single Core * Unknown
  • 168
GeekBench 5 Multi-Core * Unknown
  • 985
General specs
General specs — specifications for SX45, Redmi S2.
SpecificationSX45Redmi S2
Release date
  • 2001
  • 2018
  • May
Colors Unknown
  • Gray
  • Gold
  • Rose Gold
  • Mesmerising Blue
  • Stunning Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 150 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 2 h
Unknown
Body build Unknown
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for SX45, Redmi S2.
SpecificationSX45Redmi S2
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA - China -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300) - Global LTE band 1(2100)
  • 40(2300)
  • 41(2500) - India LTE band 1(2100)
  • 34(2000)
  • 39(1900)
  • 41(2500) - China
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • No
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB Unknown
  • microUSB 2.0
Bluetooth
  • No
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for SX45, Redmi S2.
SpecificationSX45Redmi S2
Radio
  • No
  • FM radio
Others
  • 57.6 mm x 76.8 mm -0.24 mm pixel pitch
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for SX45, Redmi S2.
SpecificationSX45Redmi S2
Dop
  • Infrared port - Full PocketPC functionality -Media player (MP3) - PDA + mobile phone
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Charging 5V/2A 10W - Also known as Xiaomi Redmi Y2 in India