Nokia N91 vs Spice Mi-451 3G

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

    Mi-451 3G: 8 g lighter

    N91:
    164 g
    Mi-451 3G:
    156 g
  • Width

    N91: 14.3 mm narrower

    N91:
    55.2 mm
    Mi-451 3G:
    69.5 mm
  • Depth

    Mi-451 3G: 13.3 mm thinner

    N91:
    22 mm
    Mi-451 3G:
    8.7 mm
  • Height

    N91: 21.4 mm shorter

    N91:
    113.1 mm
    Mi-451 3G:
    134.5 mm
  • Release year

    N91:
    2005
    Mi-451 3G:
    2014

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 +13.3 mm versus Mi-451 3G
  2. 2. Mi-451 3G

    Height:
    134.5 mm +21.4 mm versus N91
    Width:
    69.5 mm +14.3 mm versus N91
    Depth:
    8.7 mm

Weight

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

  1. 1. N91

    164 g

    +8 g versus Mi-451 3G

  2. 2. Mi-451 3G

    156 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. N91

    N91: Screen geometry unavailable or conflicting.

  2. 2. Mi-451 3G

    Mi-451 3G: 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

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. Mi-451 3G

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

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. Mi-451 3G

    1450 mAh

    +550 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. Mi-451 3G

Everyday essentials
Everyday essentials — specifications for N91, Mi-451 3G.
SpecificationN91Mi-451 3G
Dimensions (HxWxD)
  • 113.1 Х 55.2 Х 22 mm
  • 134.5 Х 69.5 Х 8.7 mm
Weight
  • 164 g
  • 156 g
Technology
  • TFT
Unknown
Screen size
  • 2.1" inch
  • 0" inch
Screen resolution
  • 176 x 208 px
  • 480 x 854 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
Unknown
Memory card support
  • No
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 900 mAh
  • Removable Li-Ion
  • 1450 mAh
  • Li-Ion
Operating system OS
  • Symbian 9.1
  • Series 60 UI 3rd Edition
  • Android 4.4 (KitKat)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for N91, Mi-451 3G.
SpecificationN91Mi-451 3G
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 256K
Unknown
Screen area
  • 14.0 cm2
Unknown
Screen format Unknown
  • 16:9 (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, Mi-451 3G.
SpecificationN91Mi-451 3G
Rear camera, main
  • 2 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 2 MP
  • 3.15 MP
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 1.3 MP
  • Single
Specifications Unknown
  • 1.3 MP
Performance
Performance — specifications for N91, Mi-451 3G.
SpecificationN91Mi-451 3G
Processor CPU
  • 220 MHz Dual ARM 9
Unknown
General specs
General specs — specifications for N91, Mi-451 3G.
SpecificationN91Mi-451 3G
Release date
  • 2005
  • Q2
  • 2014
Colors
  • Light Blue Chrome
  • Dark Gray Chrome
  • Black (Music Edition)
  • White
  • Gray
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 60 h Talking time- Up to 5 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for N91, Mi-451 3G.
SpecificationN91Mi-451 3G
SIM card
  • Mini-SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • Yes
  • 384 kbps
  • HSPA
GPRS
  • Class 10
  • Class 12
Edge
  • Class 10
  • Class 12
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 b/g/n
GPS
  • No
  • A-GPS only
USB
  • miniUSB 2.0
  • microUSB
Bluetooth
  • 1.2 (A2DP - 8 GB version only)
  • 2.0
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, Mi-451 3G.
SpecificationN91Mi-451 3G
Radio
  • Stereo FM radio
  • FM radio
Others
  • 5-way configurable navigation key
Unknown
Other features
Other features — specifications for N91, Mi-451 3G.
SpecificationN91Mi-451 3G
Dop
  • Predictive text input -Voice dial -Voice memo -Organizer
  • Sensors Accelerometer Also known as Spice Stellar 451 3G