Siemens SX45 vs Xiaomi Mi 4i

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

    Mi 4i: 200 g lighter

    SX45:
    330 g
    Mi 4i:
    130 g
  • Width

    Mi 4i: 17.4 mm narrower

    SX45:
    87 mm
    Mi 4i:
    69.6 mm
  • Depth

    Mi 4i: 18.2 mm thinner

    SX45:
    26 mm
    Mi 4i:
    7.8 mm
  • Height

    SX45: 4.1 mm shorter

    SX45:
    134 mm
    Mi 4i:
    138.1 mm
  • Release year

    SX45:
    2001
    Mi 4i:
    2015

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 +17.4 mm versus Mi 4i
    Depth:
    26 mm +18.2 mm versus Mi 4i
  2. 2. Mi 4i

    Height:
    138.1 mm +4.1 mm versus SX45
    Width:
    69.6 mm
    Depth:
    7.8 mm

Weight

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

  1. 1. SX45

    330 g

    +200 g versus Mi 4i

  2. 2. Mi 4i

    130 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. Mi 4i

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 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 SX45, Mi 4i, compared at the same storage capacity.
StorageSX45Mi 4i
16 GB Unknown 2 GB RAM
32 GB Unknown 2 GB RAM
SX45: Original memory entry

32 MB

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. Mi 4i

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

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. Mi 4i

    3120 mAh

    +1570 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. Mi 4i

Everyday essentials
Everyday essentials — specifications for SX45, Mi 4i.
SpecificationSX45Mi 4i
Dimensions (HxWxD)
  • 134 Х 87 Х 26 mm
  • 138.1 Х 69.6 Х 7.8 mm
Weight
  • 330 g
  • 130 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 0" inch
  • 5" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 MB
  • 16/32 GB
  • 2 GB RAM
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1550 mAh
  • Removable Li-Ion
  • 3120 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows CE 3.0 for PocketPC
  • Android 5.0.2 (Lollipop); MIUI 8.2
Chipset Unknown
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for SX45, Mi 4i.
SpecificationSX45Mi 4i
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area Unknown
  • 68.9 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio Unknown
  • 71.7%
PPI /points per inch/
  • 0 PPI
  • 441 PPI
Screen protection Unknown
  • Corning scratch-resistant glass
Camera and Video
Camera and Video — specifications for SX45, Mi 4i.
SpecificationSX45Mi 4i
Rear camera, main
  • 0 MP,
  • 13 MP
  • Single
Camera specs Unknown
  • 13 MP
  • AF
  • f/2.0
Functions Unknown
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video Unknown
  • 1080p@30fps
  • 480p@120fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
  • f/1.8
Performance

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

Performance — specifications for SX45, Mi 4i.
SpecificationSX45Mi 4i
Processor CPU
  • 64-bit NEC VR4122 150 MHz
  • Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU Unknown
  • Adreno 405
Antutu 7 score * Unknown
  • 40156
GeekBench 4 Single Core * Unknown
  • 617
GeekBench 4 Multi-Core * Unknown
  • 1374
GeekBench 4 RenderScript * Unknown
  • 1404
General specs
General specs — specifications for SX45, Mi 4i.
SpecificationSX45Mi 4i
Release date
  • 2001
  • 2015
  • April
Colors Unknown
  • Dark Gray
  • Black
  • White
  • Yellow
  • Blue
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 260 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 2 h
  • Talking time- Up to 35 h (3G)
Body build Unknown
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for SX45, Mi 4i.
SpecificationSX45Mi 4i
SIM card
  • Mini-SIM
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 1900 / 2100 TD-SCDMA -4G - LTE band 3(1800)
  • 7(2600)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed Unknown
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • No
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB Unknown
  • microUSB 2.0
  • USB Host
Bluetooth
  • No
  • 4.1
  • A2DP
Harmful irradiation Unknown
  • SAR - 1.29 W/kg (head)
Music and Audio
Music and Audio — specifications for SX45, Mi 4i.
SpecificationSX45Mi 4i
Radio
  • No
  • Stereo 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, Mi 4i.
SpecificationSX45Mi 4i
Dop
  • Infrared port - Full PocketPC functionality -Media player (MP3) - PDA + mobile phone
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 40% in 60 min (Quick Charge)