Nokia N91 vs Vertu Signature Touch (2015)

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: 61 g lighter

    N91:
    164 g
    Signature Touch (2015):
    225 g
  • Width

    N91: 18.8 mm narrower

    N91:
    55.2 mm
    Signature Touch (2015):
    74 mm
  • Screen diagonal

    N91: 3.1 in smaller diagonal

    N91:
    2.1 in
    Signature Touch (2015):
    5.2 in
  • Depth

    Signature Touch (2015): 11.2 mm thinner

    N91:
    22 mm
    Signature Touch (2015):
    10.8 mm
  • Height

    N91: 41.9 mm shorter

    N91:
    113.1 mm
    Signature Touch (2015):
    155 mm
  • Release year

    N91:
    2005
    Signature Touch (2015):
    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. N91

    Height:
    113.1 mm
    Width:
    55.2 mm
    Depth:
    22 mm +11.2 mm versus Signature Touch (2015)
  2. 2. Signature Touch (2015)

    Height:
    155 mm +41.9 mm versus N91
    Width:
    74 mm +18.8 mm versus N91
    Depth:
    10.8 mm

Weight

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

  1. 1. N91

    164 g

  2. 2. Signature Touch (2015)

    225 g

    +61 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. Signature Touch (2015)

    Screen diagonal:
    5.2 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    74.5 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.

N91: Original memory entry

4/8 GB · 64 MB RAM

Signature Touch (2015): Original memory entry

64 GB · 512GB 4GB

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. Signature Touch (2015)

NFC:
Yes
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. N91

    900 mAh

  2. 2. Signature Touch (2015)

    3160 mAh

    +2260 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. Signature Touch (2015)

Everyday essentials
Everyday essentials — specifications for N91, Signature Touch (2015).
SpecificationN91Signature Touch (2015)
Dimensions (HxWxD)
  • 113.1 Х 55.2 Х 22 mm
  • 155 Х 74 Х 10.8 mm
Weight
  • 164 g
  • 225 g
Technology
  • TFT
  • Sapphire crystal glass
Screen size
  • 2.1" inch
  • 5.2" inch
Screen resolution
  • 176 x 208 px
  • 1080 x 1920 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
  • 64 GB
  • 512GB 4GB
Memory card support
  • No
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 900 mAh
  • Removable Li-Ion
  • 3160 mAh
  • Non-removable Li-Ion
Operating system OS
  • Symbian 9.1
  • Series 60 UI 3rd Edition
  • Android 5.1 (Lollipop)
Chipset Unknown
  • Qualcomm MSM8994 Snapdragon 810 (20 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for N91, Signature Touch (2015).
SpecificationN91Signature Touch (2015)
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 14.0 cm2
  • 74.5 cm2
Screen format Unknown
  • 16:9 (height:width)
Screen to body ratio
  • 22.5%
  • 65.0%
PPI /points per inch/
  • 0 PPI
  • 424 PPI
Screen protection Unknown
  • Sapphire crystal glass
Camera and Video
Camera and Video — specifications for N91, Signature Touch (2015).
SpecificationN91Signature Touch (2015)
Rear camera, main
  • 2 MP
  • Single
  • 21 MP
  • Single
Camera specs
  • 2 MP
  • 21 MP
  • PDAF
Functions Unknown
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 2.1 MP
  • Single
Specifications Unknown
  • 2.1 MP
Performance
Performance — specifications for N91, Signature Touch (2015).
SpecificationN91Signature Touch (2015)
Processor CPU
  • 220 MHz Dual ARM 9
  • Octa-core (4x1.56 GHz Cortex-A53 & 4x1.82 GHz Cortex-A57)
Graphics processor GPU Unknown
  • Adreno 430
General specs
General specs — specifications for N91, Signature Touch (2015).
SpecificationN91Signature Touch (2015)
Release date
  • 2005
  • Q2
  • 2015
  • September
Colors
  • Light Blue Chrome
  • Dark Gray Chrome
  • Black (Music Edition)
  • Jet Calf
  • Garnet Calf
  • Grape Lizard
  • Pure Jet Lizard
  • Jet Alligator
  • Pure Navy Alligator
  • Clous de Paris Alligator
  • Pure Jet Red Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 230 EUR
  • 9000 EUR
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
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for N91, Signature Touch (2015).
SpecificationN91Signature Touch (2015)
SIM card
  • Mini-SIM
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 TD-SCDMA -4G - LTE band 1(2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 13(700)
  • 17(700)
  • 20(800)
  • 25(1900)
  • 28(700)
  • 29(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • Yes
  • 384 kbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
USB
  • miniUSB 2.0
  • microUSB 2.0 (MHL)
  • USB Host
Bluetooth
  • 1.2 (A2DP - 8 GB version only)
  • 4.0
  • A2DP
  • LE
  • aptX
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, Signature Touch (2015).
SpecificationN91Signature Touch (2015)
Radio
  • Stereo FM radio
  • No
Others
  • 5-way configurable navigation key
  • Dolby Digital Plus audio enhancement -Active noise cancellation with dedicated mic
Other features
Other features — specifications for N91, Signature Touch (2015).
SpecificationN91Signature Touch (2015)
Dop
  • Predictive text input -Voice dial -Voice memo -Organizer
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 2.0) -Qi wireless charging - Titanium body (forged grade 5) and luxurious calf leather covered rear panel