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Micromax A90 vs Nokia E51 camera-free

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.

  • Width

    E51 camera-free: 19 mm narrower

    A90:
    65 mm
    E51 camera-free:
    46 mm
  • Screen diagonal

    E51 camera-free: 2.3 in smaller diagonal

    A90:
    4.3 in
    E51 camera-free:
    2 in
  • Depth

    A90: 1.4 mm thinner

    A90:
    10.6 mm
    E51 camera-free:
    12 mm
  • Height

    E51 camera-free: 10.2 mm shorter

    A90:
    125 mm
    E51 camera-free:
    114.8 mm
  • Release year

    A90:
    2012
    E51 camera-free:
    2008

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. A90

    Height:
    125 mm +10.2 mm versus E51 camera-free
    Width:
    65 mm +19 mm versus E51 camera-free
    Depth:
    10.6 mm
    Weight:
    Unknown
  2. 2. E51 camera-free

    Height:
    114.8 mm
    Width:
    46 mm
    Depth:
    12 mm +1.4 mm versus A90
    Weight:
    100 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.

  1. 1. A90

    Screen diagonal:
    4.3 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    52.6 cm²
  2. 2. E51 camera-free

    Screen diagonal:
    2 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    12.4 cm²

A90 has approximately 324.9% more rectangular screen area than E51 camera-free.

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.

A90: Original memory entry

4 GB (2 GB user available) · 512 MB RAM

E51 camera-free: Original memory entry

130 MB · 96 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. A90

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

2. E51 camera-free

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 16 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. A90

    1600 mAh

    +550 mAh versus E51 camera-free

  2. 2. E51 camera-free

    1050 mAh

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. A902. E51 camera-free

Everyday essentials
Everyday essentials — specifications for A90, E51 camera-free.
SpecificationA90E51 camera-free
Dimensions (HxWxD)
  • 125 Х 65 Х 10.6 mm
  • 114.8 Х 46 Х 12 mm
Weight
  • 0 g
  • 100 g
Technology
  • AMOLED
  • TFT
Screen size
  • 4.3" inch
  • 2" inch
Screen resolution
  • 480 x 800 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB (2 GB user available)
  • 512 MB RAM
  • 130 MB
  • 96 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 16 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1600 mAh
  • Removable Li-Ion
  • 1050 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.0.3 (Ice Cream Sandwich)
  • Symbian OS 9.2
  • Series 60 v3.1 UI
Chipset
  • Mediatek MT6575 (40 nm)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for A90, E51 camera-free.
SpecificationA90E51 camera-free
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 256K
  • 16M
Screen area
  • 52.6 cm2
  • 12.4 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 64.8%
  • 23.5%
PPI /points per inch/
  • 217 PPI
  • 200 PPI
Camera and Video
Camera and Video — specifications for A90, E51 camera-free.
SpecificationA90E51 camera-free
Rear camera, main
  • 8 MP
  • Single
  • 0 MP,
Camera specs
  • 8 MP
Unknown
Functions
  • LED flash
Unknown
Video
  • Yes
Unknown
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance
Performance — specifications for A90, E51 camera-free.
SpecificationA90E51 camera-free
Processor CPU
  • 1.0 GHz Cortex-A9
  • 369 MHz ARM 11
Graphics processor GPU
  • PowerVR SGX531
Unknown
General specs
General specs — specifications for A90, E51 camera-free.
SpecificationA90E51 camera-free
Release date
  • 2012
  • July
  • 2008
  • February
Colors
  • Black
  • Black
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
  • 130 EUR
Battery life
  • Stand by time- Up to 174 h Talking time- Up to 5 h
  • Stand by time- Up to 310 h Talking time- Up to 4 h 20 min
Communication and Connectivity
Communication and Connectivity — specifications for A90, E51 camera-free.
SpecificationA90E51 camera-free
SIM card
  • Dual SIM (Mini-SIM)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 32
Edge
  • Yes
  • Class 32
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11b/g
  • VoIP over WLAN
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • miniUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 1.47 W/kg (head) 0.75 W/kg (body) SAR EU - 1.38 W/kg (head)
Music and Audio
Music and Audio — specifications for A90, E51 camera-free.
SpecificationA90E51 camera-free
Radio
  • FM radio
  • FM radio
Others Unknown
  • Five-way scroll key -Downloadable themes
Other features
Other features — specifications for A90, E51 camera-free.
SpecificationA90E51 camera-free
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP3/AAC/WMA/WAV player -MP4/WMV/H.264 player -Organizer -Document viewer -Voice memo/dial -Predictive text input (Swype)
  • Infrared port - Push to talk -WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document viewer -Predictive text input -Voice command/memo -Organizer -Nokia Intellisync Wireless Email -Exchange mail