Nokia N91 vs ZTE Era

Compare recorded specifications, size and practical differences.

+ Add a third phone

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.

  • Screen diagonal

    N91: 2.2 in smaller diagonal

    N91:
    2.1 in
    Era:
    4.3 in
  • Release year

    N91:
    2005
    Era:
    2012

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
    Weight:
    164 g
  2. 2. Era

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown
    Weight:
    Unknown

    Unavailable dimensions are omitted from the drawing.

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. Era

    Screen diagonal:
    4.3 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    51 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, Era, compared at the same storage capacity.
StorageN91Era
8 GB Unknown 1 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. Era

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

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. Era

Everyday essentials
Everyday essentials — specifications for N91, Era.
SpecificationN91Era
Dimensions (HxWxD)
  • 113.1 Х 55.2 Х 22 mm
  • Х Х mm
Weight
  • 164 g
  • 0 g
Technology
  • TFT
  • TFT
Screen size
  • 2.1" inch
  • 4.3" inch
Screen resolution
  • 176 x 208 px
  • 540 x 960 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
  • 8 GB
  • 1 GB RAM
Memory card support
  • No
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 900 mAh
  • Removable Li-Ion
  • 0 mAh,
Operating system OS
  • Symbian 9.1
  • Series 60 UI 3rd Edition
  • Android 4.0 (Ice Cream Sandwich)
Chipset Unknown
  • Nvidia Tegra 3
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for N91, Era.
SpecificationN91Era
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 14.0 cm2
  • 51.0 cm2
Screen format Unknown
  • 16:9 (height:width)
Screen to body ratio
  • 22.5%
  • 54.3%
PPI /points per inch/
  • 0 PPI
  • 256 PPI
Camera and Video
Camera and Video — specifications for N91, Era.
SpecificationN91Era
Rear camera, main
  • 2 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 2 MP
  • 8 MP
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA
Performance
Performance — specifications for N91, Era.
SpecificationN91Era
Processor CPU
  • 220 MHz Dual ARM 9
  • Quad-core 1.3 GHz
Graphics processor GPU Unknown
  • ULP GeForce
General specs
General specs — specifications for N91, Era.
SpecificationN91Era
Release date
  • 2005
  • Q2
  • 2012
  • February
Colors
  • Light Blue Chrome
  • Dark Gray Chrome
  • Black (Music Edition)
  • Black
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
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for N91, Era.
SpecificationN91Era
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • Yes
  • 384 kbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • UMA
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • miniUSB 2.0
  • microUSB 2.0 (MHL TV-out)
Bluetooth
  • 1.2 (A2DP - 8 GB version only)
  • 3.0
  • A2DP
  • EDR
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, Era.
SpecificationN91Era
Radio
  • Stereo FM radio
  • Stereo FM radio
  • RDS
Others
  • 5-way configurable navigation key
  • Dolby Mobile -Active noise cancellation with dedicated mic
Other features
Other features — specifications for N91, Era.
SpecificationN91Era
Dop
  • Predictive text input -Voice dial -Voice memo -Organizer
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - MP4/H.264/WMV player -MP3/eAAC+/WMA/WAV player -Document viewer/editor -Voice memo/dial/commands -Predictive text input