Nokia N91 vs vivo Y81i

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

    Y81i: 21 g lighter

    N91:
    164 g
    Y81i:
    143 g
  • Width

    N91: 19.8 mm narrower

    N91:
    55.2 mm
    Y81i:
    75 mm
  • Screen diagonal

    N91: 4.12 in smaller diagonal

    N91:
    2.1 in
    Y81i:
    6.22 in
  • Depth

    Y81i: 14.2 mm thinner

    N91:
    22 mm
    Y81i:
    7.8 mm
  • Height

    N91: 42 mm shorter

    N91:
    113.1 mm
    Y81i:
    155.1 mm
  • Release year

    N91:
    2005
    Y81i:
    2018

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 +14.2 mm versus Y81i
  2. 2. Y81i

    Height:
    155.1 mm +42 mm versus N91
    Width:
    75 mm +19.8 mm versus N91
    Depth:
    7.8 mm

Weight

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

  1. 1. N91

    164 g

    +21 g versus Y81i

  2. 2. Y81i

    143 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. Y81i

    Screen diagonal:
    6.22 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    96.6 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 N91, Y81i, compared at the same storage capacity.
StorageN91Y81i
16 GB Unknown 2 GB RAM
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. Y81i

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. Y81i

    3260 mAh

    +2360 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. Y81i

Everyday essentials
Everyday essentials — specifications for N91, Y81i.
SpecificationN91Y81i
Dimensions (HxWxD)
  • 113.1 Х 55.2 Х 22 mm
  • 155.1 Х 75 Х 7.8 mm
Weight
  • 164 g
  • 143 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.1" inch
  • 6.22" inch
Screen resolution
  • 176 x 208 px
  • 720 x 1520 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
  • 16 GB
  • 2 GB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 900 mAh
  • Removable Li-Ion
  • 3260 mAh
  • Non-removable Li-Po
Operating system OS
  • Symbian 9.1
  • Series 60 UI 3rd Edition
  • Android 8.1 (Oreo); Funtouch 4
Chipset Unknown
  • Mediatek MT6761 Helio A22 (12 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for N91, Y81i.
SpecificationN91Y81i
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 14.0 cm2
  • 96.6 cm2
Screen format Unknown
  • 19:9 (height:width)
Screen to body ratio
  • 22.5%
  • 83.0%
PPI /points per inch/
  • 0 PPI
  • 270 PPI
Screen protection Unknown
  • Corning Gorilla Glass (unspecified version)
Camera and Video
Camera and Video — specifications for N91, Y81i.
SpecificationN91Y81i
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 2 MP
  • 13 MP
  • f/2.2
  • PDAF
Functions Unknown
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
  • f/2.2
Performance

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

Performance — specifications for N91, Y81i.
SpecificationN91Y81i
Processor CPU
  • 220 MHz Dual ARM 9
  • Quad-core 2.0 GHz Cortex-A53
Graphics processor GPU Unknown
  • PowerVR GE8320
Antutu 7 score * Unknown
  • 55321
General specs
General specs — specifications for N91, Y81i.
SpecificationN91Y81i
Release date
  • 2005
  • Q2
  • 2018
  • October
Colors
  • Light Blue Chrome
  • Dark Gray Chrome
  • Black (Music Edition)
  • Black
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 230 EUR
  • 130 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
Body build Unknown
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for N91, Y81i.
SpecificationN91Y81i
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • Yes
  • 384 kbps
  • HSPA 21.1/5.76 Mbps
  • LTE-A (2CA) Cat7 300/150 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • miniUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 1.2 (A2DP - 8 GB version only)
  • 5.0
  • A2DP
  • LE
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, Y81i.
SpecificationN91Y81i
Radio
  • Stereo FM radio
  • FM radio
Others
  • 5-way configurable navigation key
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for N91, Y81i.
SpecificationN91Y81i
Dop
  • Predictive text input -Voice dial -Voice memo -Organizer
  • Sensors Accelerometer
  • proximity
  • compass