Nokia N91 vs Oppo R7s

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

    R7s: 9 g lighter

    N91:
    164 g
    R7s:
    155 g
  • Width

    N91: 20.2 mm narrower

    N91:
    55.2 mm
    R7s:
    75.4 mm
  • Screen diagonal

    N91: 3.4 in smaller diagonal

    N91:
    2.1 in
    R7s:
    5.5 in
  • Depth

    R7s: 15 mm thinner

    N91:
    22 mm
    R7s:
    7 mm
  • Height

    N91: 38.7 mm shorter

    N91:
    113.1 mm
    R7s:
    151.8 mm
  • Release year

    N91:
    2005
    R7s:
    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 +15 mm versus R7s
  2. 2. R7s

    Height:
    151.8 mm +38.7 mm versus N91
    Width:
    75.4 mm +20.2 mm versus N91
    Depth:
    7 mm

Weight

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

  1. 1. N91

    164 g

    +9 g versus R7s

  2. 2. R7s

    155 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. R7s

    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

R7s: Original memory entry

32 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. R7s

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. R7s

    3070 mAh

    +2170 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. R7s

Everyday essentials
Everyday essentials — specifications for N91, R7s.
SpecificationN91R7s
Dimensions (HxWxD)
  • 113.1 Х 55.2 Х 22 mm
  • 151.8 Х 75.4 Х 7 mm
Weight
  • 164 g
  • 155 g
Technology
  • TFT
  • AMOLED
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
  • 32 GB
  • 512GB 4GB
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
  • 3070 mAh
  • Non-removable Li-Po
Operating system OS
  • Symbian 9.1
  • Series 60 UI 3rd Edition
  • Android 5.1 (Lollipop); ColorOS 2.1
Chipset Unknown
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for N91, R7s.
SpecificationN91R7s
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%
  • 72.9%
PPI /points per inch/
  • 0 PPI
  • 401 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for N91, R7s.
SpecificationN91R7s
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 2 MP
  • 13 MP
  • PDAF
  • f/2.2
Functions Unknown
  • LED flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 8 MP
  • Single
Specifications Unknown
  • 8 MP
  • f/2.4
Performance

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

Performance — specifications for N91, R7s.
SpecificationN91R7s
Processor CPU
  • 220 MHz Dual ARM 9
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU Unknown
  • Adreno 405
Antutu 7 score * Unknown
  • 31150
GeekBench 4 Single Core * Unknown
  • 773
GeekBench 4 Multi-Core * Unknown
  • 3742
General specs
General specs — specifications for N91, R7s.
SpecificationN91R7s
Release date
  • 2005
  • Q2
  • 2015
  • October
Colors
  • Light Blue Chrome
  • Dark Gray Chrome
  • Black (Music Edition)
  • Golden
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 230 EUR
  • 260 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, R7s.
SpecificationN91R7s
SIM card
  • Mini-SIM
  • Hybrid Dual SIM (Nano-SIM/ Micro-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 / 1900 / 2100 - Global
  • Taiwan
  • USA -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 40(2300) - Global LTE band 1(2100)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - Taiwan LTE band 1(2100)
  • 2(1900)
  • 4(1700/2100)
  • 17(700) - USA
Speed
  • Yes
  • 384 kbps
  • HSPA
  • LTE Cat4 150/50 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
  • WiFi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • miniUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 1.2 (A2DP - 8 GB version only)
  • 4.0
  • A2DP
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, R7s.
SpecificationN91R7s
Radio
  • Stereo FM radio
  • No
Others
  • 5-way configurable navigation key
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for N91, R7s.
SpecificationN91R7s
Dop
  • Predictive text input -Voice dial -Voice memo -Organizer
  • Sensors Accelerometer
  • proximity
  • compass - Fast battery charging: 75% in 30 min (VOOC Flash Charge)