Nokia N91 vs Xiaomi Redmi Note 4G

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: 11 g lighter

    N91:
    164 g
    Redmi Note 4G:
    175 g
  • Width

    N91: 20.8 mm narrower

    N91:
    55.2 mm
    Redmi Note 4G:
    76 mm
  • Screen diagonal

    N91: 3.4 in smaller diagonal

    N91:
    2.1 in
    Redmi Note 4G:
    5.5 in
  • Depth

    Redmi Note 4G: 13.6 mm thinner

    N91:
    22 mm
    Redmi Note 4G:
    8.4 mm
  • Height

    N91: 37.9 mm shorter

    N91:
    113.1 mm
    Redmi Note 4G:
    151 mm
  • Release year

    N91:
    2005
    Redmi Note 4G:
    2016

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 +13.6 mm versus Redmi Note 4G
  2. 2. Redmi Note 4G

    Height:
    151 mm +37.9 mm versus N91
    Width:
    76 mm +20.8 mm versus N91
    Depth:
    8.4 mm

Weight

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

  1. 1. N91

    164 g

  2. 2. Redmi Note 4G

    175 g

    +11 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. Redmi Note 4G

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 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

Redmi Note 4G: Original memory entry

16 GB · 2 GB RAM - Standard edition64 GB · 3 GB RAM - High edition64 GB · 4 GB RAM - Exclusive

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. Redmi Note 4G

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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. Redmi Note 4G

    4100 mAh

    +3200 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. Redmi Note 4G

Everyday essentials
Everyday essentials — specifications for N91, Redmi Note 4G.
SpecificationN91Redmi Note 4G
Dimensions (HxWxD)
  • 113.1 Х 55.2 Х 22 mm
  • 151 Х 76 Х 8.4 mm
Weight
  • 164 g
  • 175 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.1" inch
  • 5.5" 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
  • 16 GB
  • 2 GB RAM - Standard edition64 GB
  • 3 GB RAM - High edition64 GB
  • 4 GB RAM - Exclusive
Memory card support
  • No
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 900 mAh
  • Removable Li-Ion
  • 4100 mAh
  • Non-removable Li-Po
Operating system OS
  • Symbian 9.1
  • Series 60 UI 3rd Edition
  • Android 6.0 (Marshmallow); MIUI 10
Chipset Unknown
  • Mediatek MT6797 Helio X20 (20 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for N91, Redmi Note 4G.
SpecificationN91Redmi Note 4G
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 14.0 cm2
  • 83.4 cm2
Screen format Unknown
  • 16:9 (height:width)
Screen to body ratio
  • 22.5%
  • 72.7%
PPI /points per inch/
  • 0 PPI
  • 401 PPI
Camera and Video
Camera and Video — specifications for N91, Redmi Note 4G.
SpecificationN91Redmi Note 4G
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 2 MP
  • 13 MP
  • PDAF
  • f/2.0
Functions Unknown
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • Yes
  • 720p
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
  • f/2.0
Performance

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

Performance — specifications for N91, Redmi Note 4G.
SpecificationN91Redmi Note 4G
Processor CPU
  • 220 MHz Dual ARM 9
  • Deca-core 2.1 GHz
Graphics processor GPU Unknown
  • Mali-T880 MP4
Antutu 7 score * Unknown
  • 21789
General specs
General specs — specifications for N91, Redmi Note 4G.
SpecificationN91Redmi Note 4G
Release date
  • 2005
  • Q2
  • 2016
  • August
Colors
  • Light Blue Chrome
  • Dark Gray Chrome
  • Black (Music Edition)
  • Silver
  • Gray
  • Gold
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 230 EUR
  • 170 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
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for N91, Redmi Note 4G.
SpecificationN91Redmi Note 4G
SIM card
  • Mini-SIM
  • Hybrid Dual SIM (Micro-SIM/Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • Yes
  • 384 kbps
  • HSPA
  • LTE
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
  • WiFi 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)
  • 4.2
  • 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, Redmi Note 4G.
SpecificationN91Redmi Note 4G
Radio
  • Stereo FM radio
  • FM radio
Others
  • 5-way configurable navigation key
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for N91, Redmi Note 4G.
SpecificationN91Redmi Note 4G
Dop
  • Predictive text input -Voice dial -Voice memo -Organizer
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - For China