LG Optimus Z vs Siemens SX45

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

    Optimus Z: 195 g lighter

    Optimus Z:
    135 g
    SX45:
    330 g
  • Width

    Optimus Z: 30.1 mm narrower

    Optimus Z:
    56.9 mm
    SX45:
    87 mm
  • Depth

    Optimus Z: 15 mm thinner

    Optimus Z:
    11 mm
    SX45:
    26 mm
  • Height

    Optimus Z: 16.1 mm shorter

    Optimus Z:
    117.9 mm
    SX45:
    134 mm
  • Release year

    Optimus Z:
    2010
    SX45:
    2001

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. Optimus Z

    Height:
    117.9 mm
    Width:
    56.9 mm
    Depth:
    11 mm
  2. 2. SX45

    Height:
    134 mm +16.1 mm versus Optimus Z
    Width:
    87 mm +30.1 mm versus Optimus Z
    Depth:
    26 mm +15 mm versus Optimus Z

Weight

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

  1. 1. Optimus Z

    135 g

  2. 2. SX45

    330 g

    +195 g versus Optimus Z

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. Optimus Z

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    37.9 cm²
  2. 2. SX45

    SX45: 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

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. Optimus Z

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 4 GB included

2. SX45

NFC:
Unknown
Headphone jack:
No
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. Optimus Z

    1350 mAh

  2. 2. SX45

    1550 mAh

    +200 mAh versus Optimus Z

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. Optimus Z2. SX45

Everyday essentials
Everyday essentials — specifications for Optimus Z, SX45.
SpecificationOptimus ZSX45
Dimensions (HxWxD)
  • 117.9 Х 56.9 Х 11 mm
  • 134 Х 87 Х 26 mm
Weight
  • 135 g
  • 330 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 0" inch
Screen resolution
  • 480 x 640 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 32 MB
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 4 GB included
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1350 mAh
  • Removable Li-Ion
  • 1550 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.1 (Eclair)
  • upgradable to 2.2 (Froyo)
  • Microsoft Windows CE 3.0 for PocketPC
Chipset
  • Qualcomm QSD8250 Snapdragon S1
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Optimus Z, SX45.
SpecificationOptimus ZSX45
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 256K
  • 65K
Screen area
  • 37.9 cm2
Unknown
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 56.5%
Unknown
PPI /points per inch/
  • 229 PPI
  • 0 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for Optimus Z, SX45.
SpecificationOptimus ZSX45
Rear camera, main
  • 5 MP
  • Single
  • 0 MP,
Camera specs
  • 5 MP
  • AF
Unknown
Video
  • 720p
Unknown
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for Optimus Z, SX45.
SpecificationOptimus ZSX45
Processor CPU
  • 1.0 GHz Scorpion
  • 64-bit NEC VR4122 150 MHz
Graphics processor GPU
  • Adreno 200
Unknown
General specs
General specs — specifications for Optimus Z, SX45.
SpecificationOptimus ZSX45
Release date
  • 2010
  • April
  • 2001
Colors
  • Black
  • White
  • Pink
Unknown
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 4 h 10 min
  • Stand by time- Up to 150 h Talking time- Up to 2 h
Communication and Connectivity
Communication and Connectivity — specifications for Optimus Z, SX45.
SpecificationOptimus ZSX45
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Unknown
Speed
  • HSPA 7.2/0.384 Mbps
Unknown
GPRS
  • Class 10
  • No
Edge
  • Class 10
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g
  • DLNA
  • hotspot (Android 2.2)
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
Unknown
Bluetooth
  • 2.1
  • A2DP
  • No
Music and Audio
Music and Audio — specifications for Optimus Z, SX45.
SpecificationOptimus ZSX45
Radio
  • No
  • No
Others
  • Dolby Mobile
  • 57.6 mm x 76.8 mm -0.24 mm pixel pitch
Other features
Other features — specifications for Optimus Z, SX45.
SpecificationOptimus ZSX45
Dop
  • Sensors Accelerometer
  • proximity
  • compass - On-screen-phone function -Drag & Shake file sharing -TV Tuner (T-DMB) -HDMI port -MP3/WMA/AAC player -DivX/MP4/H.263 player -Organizer -Document viewer -Voice memo -Predictive text input - For South Korea Also known as LG KU9500
  • LG SU950
  • Infrared port - Full PocketPC functionality -Media player (MP3) - PDA + mobile phone