Nokia E51 vs Sony Xperia M2 dual

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

    E51: 48 g lighter

    E51:
    100 g
    Xperia M2 dual:
    148 g
  • Width

    E51: 25.1 mm narrower

    E51:
    46 mm
    Xperia M2 dual:
    71.1 mm
  • Screen diagonal

    E51: 2.8 in smaller diagonal

    E51:
    2 in
    Xperia M2 dual:
    4.8 in
  • Depth

    Xperia M2 dual: 3.4 mm thinner

    E51:
    12 mm
    Xperia M2 dual:
    8.6 mm
  • Height

    E51: 24.9 mm shorter

    E51:
    114.8 mm
    Xperia M2 dual:
    139.7 mm
  • Release year

    E51:
    2007
    Xperia M2 dual:
    2014

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. E51

    Height:
    114.8 mm
    Width:
    46 mm
    Depth:
    12 mm +3.4 mm versus Xperia M2 dual
  2. 2. Xperia M2 dual

    Height:
    139.7 mm +24.9 mm versus E51
    Width:
    71.1 mm +25.1 mm versus E51
    Depth:
    8.6 mm

Weight

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

  1. 1. E51

    100 g

  2. 2. Xperia M2 dual

    148 g

    +48 g versus E51

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. E51

    Screen diagonal:
    2 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    12.4 cm²
  2. 2. Xperia M2 dual

    Screen diagonal:
    4.8 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    63.5 cm²

Xperia M2 dual has approximately 412.8% more rectangular screen area than E51.

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 E51, Xperia M2 dual, compared at the same storage capacity.
StorageE51Xperia M2 dual
8 GB Unknown 1 GB RAM
E51: 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. E51

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 16 GB (dedicated slot)

2. Xperia M2 dual

NFC:
Yes
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.

Recorded battery capacity

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

  1. 1. E51

    1050 mAh

  2. 2. Xperia M2 dual

    2300 mAh

    +1250 mAh versus E51

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. E512. Xperia M2 dual

Everyday essentials
Everyday essentials — specifications for E51, Xperia M2 dual.
SpecificationE51Xperia M2 dual
Dimensions (HxWxD)
  • 114.8 Х 46 Х 12 mm
  • 139.7 Х 71.1 Х 8.6 mm
Weight
  • 100 g
  • 148 g
Technology
  • TFT
  • TFT
Screen size
  • 2" inch
  • 4.8" inch
Screen resolution
  • 240 x 320 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 130 MB
  • 96 MB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Ion
  • 2300 mAh
  • Non-removable Li-Ion
Operating system OS
  • Symbian OS 9.2
  • Series 60 v3.1 UI
  • Android 4.3 (Jelly Bean)
  • upgradable to 5.1 (Lollipop)
Chipset Unknown
  • Qualcomm MSM8226-0 Snapdragon 400 (28 nm)
NFC Unknown
  • Yes
Headphone jack
  • No
  • Yes
Display
Display — specifications for E51, Xperia M2 dual.
SpecificationE51Xperia M2 dual
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 12.4 cm2
  • 63.5 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 23.5%
  • 63.9%
PPI /points per inch/
  • 200 PPI
  • 229 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for E51, Xperia M2 dual.
SpecificationE51Xperia M2 dual
Rear camera, main
  • 2 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 2 MP
  • 8 MP
  • AF
Functions Unknown
  • LED flash
  • HDR
  • panorama
Video
  • 320p@15fps
  • 480p
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA
Performance

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

Performance — specifications for E51, Xperia M2 dual.
SpecificationE51Xperia M2 dual
Processor CPU
  • 369 MHz ARM 11
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU Unknown
  • Adreno 305
Antutu 7 score * Unknown
  • 17980
General specs
General specs — specifications for E51, Xperia M2 dual.
SpecificationE51Xperia M2 dual
Release date
  • 2007
  • September
  • 2014
  • February
Colors
  • Black
  • Silver
  • Black
  • White
  • Purple
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
  • 180 EUR
Battery life
  • Stand by time- Up to 310 h Talking time- Up to 4 h 20 min
  • Stand by time- Up to 580 h (2G) / Up to 597 h (3G) Talking time- Up to 11 h 14 min (2G) / Up to 12 h (3G) Music play - Up to 37 h
Communication and Connectivity
Communication and Connectivity — specifications for E51, Xperia M2 dual.
SpecificationE51Xperia M2 dual
SIM card
  • Mini-SIM
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 32
  • Up to 107 kbps
Edge
  • Class 32
  • Up to 296 kbps
Wi-Fi
  • Wi-Fi 802.11b/g
  • VoIP over WLAN
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
USB
  • miniUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.0
  • A2DP
  • 4.0
  • A2DP
  • aptX
Harmful irradiation
  • SAR - 1.38 W/kg (head) 0.75 W/kg (body) SAR EU - 1.47 W/kg (head)
  • SAR - 0.70 W/kg (head) 1.13 W/kg (body) SAR EU - 0.77 W/kg (head) 0.78 W/kg (body)
Music and Audio
Music and Audio — specifications for E51, Xperia M2 dual.
SpecificationE51Xperia M2 dual
Radio
  • FM radio
  • FM radio
  • RDS
Others
  • Five-way scroll key -Downloadable themes
  • 2.5 mm audio jack
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for E51, Xperia M2 dual.
SpecificationE51Xperia M2 dual
Dop
  • Infrared port - Push to talk -WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) incl. MS Office 2007 support via free update -Predictive text input -Voice command/memo -Organizer
  • Sensors Accelerometer
  • proximity
  • compass - ANT+ - Also known as Sony Xperia M2 dual D2302