Kyocera DuraForce XD vs Nokia E51 camera-free

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 camera-free: 207 g lighter

    DuraForce XD:
    307 g
    E51 camera-free:
    100 g
  • Width

    E51 camera-free: 40.4 mm narrower

    DuraForce XD:
    86.4 mm
    E51 camera-free:
    46 mm
  • Screen diagonal

    E51 camera-free: 3.7 in smaller diagonal

    DuraForce XD:
    5.7 in
    E51 camera-free:
    2 in
  • Depth

    E51 camera-free: 1.9 mm thinner

    DuraForce XD:
    13.9 mm
    E51 camera-free:
    12 mm
  • Height

    E51 camera-free: 52 mm shorter

    DuraForce XD:
    166.8 mm
    E51 camera-free:
    114.8 mm
  • Release year

    DuraForce XD:
    2015
    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. DuraForce XD

    Height:
    166.8 mm +52 mm versus E51 camera-free
    Width:
    86.4 mm +40.4 mm versus E51 camera-free
    Depth:
    13.9 mm +1.9 mm versus E51 camera-free
  2. 2. E51 camera-free

    Height:
    114.8 mm
    Width:
    46 mm
    Depth:
    12 mm

Weight

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

  1. 1. DuraForce XD

    307 g

    +207 g versus E51 camera-free

  2. 2. E51 camera-free

    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. DuraForce XD

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    89.6 cm²
  2. 2. E51 camera-free

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

DuraForce XD has approximately 623.1% 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.

Recorded RAM for DuraForce XD, E51 camera-free, compared at the same storage capacity.
StorageDuraForce XDE51 camera-free
16 GB 2 GB RAM Unknown
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. DuraForce XD

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB

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. DuraForce XD

    3700 mAh

    +2650 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. DuraForce XD2. E51 camera-free

Everyday essentials
Everyday essentials — specifications for DuraForce XD, E51 camera-free.
SpecificationDuraForce XDE51 camera-free
Dimensions (HxWxD)
  • 166.8 Х 86.4 Х 13.9 mm
  • 114.8 Х 46 Х 12 mm
Weight
  • 307 g
  • 100 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.7" inch
  • 2" inch
Screen resolution
  • 720 x 1280 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 130 MB
  • 96 MB RAM
Memory card support
  • microSD
  • up to 64 GB
  • microSD
  • up to 16 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3700 mAh
  • Removable Li-Ion
  • 1050 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Symbian OS 9.2
  • Series 60 v3.1 UI
Chipset
  • Qualcomm MSM8928 Snapdragon 400 (28 nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for DuraForce XD, E51 camera-free.
SpecificationDuraForce XDE51 camera-free
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 16M
Screen area
  • 89.6 cm2
  • 12.4 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 62.1%
  • 23.5%
PPI /points per inch/
  • 258 PPI
  • 200 PPI
Screen protection
  • Yes
Unknown
Camera and Video
Camera and Video — specifications for DuraForce XD, E51 camera-free.
SpecificationDuraForce XDE51 camera-free
Rear camera, main
  • 8 MP
  • Single
  • 0 MP,
Camera specs
  • 8 MP
  • AF
Unknown
Functions
  • LED flash
  • HDR
  • panorama
Unknown
Video
  • 1080p@30fps
Unknown
Front camera, selfie
  • 2 MP
  • Single
  • 0 MP,
Specifications
  • 2 MP
Unknown
Performance
Performance — specifications for DuraForce XD, E51 camera-free.
SpecificationDuraForce XDE51 camera-free
Processor CPU
  • Quad-core 1.6 GHz Cortex-A7
  • 369 MHz ARM 11
Graphics processor GPU
  • Adreno 305
Unknown
General specs
General specs — specifications for DuraForce XD, E51 camera-free.
SpecificationDuraForce XDE51 camera-free
Release date
  • 2015
  • October
  • 2008
  • February
Colors
  • Black
  • Black
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 130 EUR
Battery life
  • Stand by time- Up to 816 h (3G) Talking time- Up to 23 h (3G)
  • Stand by time- Up to 310 h Talking time- Up to 4 h 20 min
Communication and Connectivity
Communication and Connectivity — specifications for DuraForce XD, E51 camera-free.
SpecificationDuraForce XDE51 camera-free
SIM card
  • Nano-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 - AT&T
  • T-Mobile -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 17(700)
  • 20(800)
  • 29(700) - AT&T LTE band 1(2100)
  • 12(700)
  • 29(700) - T-Mobile
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • LTE
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 32
Edge
  • Yes
  • Class 32
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac//r/k
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11b/g
  • VoIP over WLAN
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • miniUSB 2.0
Bluetooth
  • 4.1
  • A2DP
  • EDR
  • LE
  • 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 DuraForce XD, E51 camera-free.
SpecificationDuraForce XDE51 camera-free
Radio
  • No
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • Five-way scroll key -Downloadable themes
Other features
Other features — specifications for DuraForce XD, E51 camera-free.
SpecificationDuraForce XDE51 camera-free
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Fast battery charging - IP68 dust/water proof (up to 1.5m for 30 mins) -MIL-STD-810G compliant
  • 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