Nokia N91 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

    N91: 166 g lighter

    N91:
    164 g
    SX45:
    330 g
  • Width

    N91: 31.8 mm narrower

    N91:
    55.2 mm
    SX45:
    87 mm
  • Depth

    N91: 4 mm thinner

    N91:
    22 mm
    SX45:
    26 mm
  • Height

    N91: 20.9 mm shorter

    N91:
    113.1 mm
    SX45:
    134 mm
  • Release year

    N91:
    2005
    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. N91

    Height:
    113.1 mm
    Width:
    55.2 mm
    Depth:
    22 mm
  2. 2. SX45

    Height:
    134 mm +20.9 mm versus N91
    Width:
    87 mm +31.8 mm versus N91
    Depth:
    26 mm +4 mm versus N91

Weight

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

  1. 1. N91

    164 g

  2. 2. SX45

    330 g

    +166 g versus N91

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. N91

    N91: Screen geometry unavailable or conflicting.

  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.

N91: Original memory entry

4/8 GB · 64 MB 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. N91

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

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. N91

    900 mAh

  2. 2. SX45

    1550 mAh

    +650 mAh versus N91

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. N912. SX45

Everyday essentials
Everyday essentials — specifications for N91, SX45.
SpecificationN91SX45
Dimensions (HxWxD)
  • 113.1 Х 55.2 Х 22 mm
  • 134 Х 87 Х 26 mm
Weight
  • 164 g
  • 330 g
Technology
  • TFT
  • TFT
Screen size
  • 2.1" inch
  • 0" inch
Screen resolution
  • 176 x 208 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4/8 GB
  • 64 MB RAM
  • 32 MB
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 900 mAh
  • Removable Li-Ion
  • 1550 mAh
  • Removable Li-Ion
Operating system OS
  • Symbian 9.1
  • Series 60 UI 3rd Edition
  • Microsoft Windows CE 3.0 for PocketPC
Headphone jack
  • Yes
  • No
Display
Display — specifications for N91, SX45.
SpecificationN91SX45
Touchscreen Unknown
  • resistive touchscreen
Display colors
  • 256K
  • 65K
Screen area
  • 14.0 cm2
Unknown
Screen format Unknown
  • 4:3 (height:width)
Screen to body ratio
  • 22.5%
Unknown
PPI /points per inch/
  • 0 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for N91, SX45.
SpecificationN91SX45
Rear camera, main
  • 2 MP
  • Single
  • 0 MP,
Camera specs
  • 2 MP
Unknown
Video
  • Yes
Unknown
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for N91, SX45.
SpecificationN91SX45
Processor CPU
  • 220 MHz Dual ARM 9
  • 64-bit NEC VR4122 150 MHz
General specs
General specs — specifications for N91, SX45.
SpecificationN91SX45
Release date
  • 2005
  • Q2
  • 2001
Colors
  • Light Blue Chrome
  • Dark Gray Chrome
  • Black (Music Edition)
Unknown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 230 EUR
Unknown
Battery life
  • Stand by time- Up to 190 h (2G) / 170 h (3G) Talking time- Up to 4 h (2G) / 3 h (3G) Music play - Up to 10 h
  • Stand by time- Up to 150 h Talking time- Up to 2 h
Communication and Connectivity
Communication and Connectivity — specifications for N91, SX45.
SpecificationN91SX45
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Unknown
Speed
  • Yes
  • 384 kbps
Unknown
GPRS
  • Class 10
  • No
Edge
  • Class 10
  • No
Wi-Fi
  • Wi-Fi 802.11b/g
  • No
GPS
  • No
  • No
USB
  • miniUSB 2.0
Unknown
Bluetooth
  • 1.2 (A2DP - 8 GB version only)
  • No
Harmful irradiation
  • SAR - 0.74 W/kg (head) 0.58 W/kg (body) SAR EU - 0.48 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for N91, SX45.
SpecificationN91SX45
Radio
  • Stereo FM radio
  • No
Others
  • 5-way configurable navigation key
  • 57.6 mm x 76.8 mm -0.24 mm pixel pitch
Other features
Other features — specifications for N91, SX45.
SpecificationN91SX45
Dop
  • Predictive text input -Voice dial -Voice memo -Organizer
  • Infrared port - Full PocketPC functionality -Media player (MP3) - PDA + mobile phone