Nokia E51 vs ZTE Grand S Flex

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: 30 g lighter

    E51:
    100 g
    Grand S Flex:
    130 g
  • Width

    E51: 24 mm narrower

    E51:
    46 mm
    Grand S Flex:
    70 mm
  • Screen diagonal

    E51: 3 in smaller diagonal

    E51:
    2 in
    Grand S Flex:
    5 in
  • Depth

    Grand S Flex: 3.1 mm thinner

    E51:
    12 mm
    Grand S Flex:
    8.9 mm
  • Height

    E51: 28.2 mm shorter

    E51:
    114.8 mm
    Grand S Flex:
    143 mm
  • Release year

    E51:
    2007
    Grand S Flex:
    2013

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 +3.1 mm versus Grand S Flex
  2. 2. Grand S Flex

    Height:
    143 mm +28.2 mm versus E51
    Width:
    70 mm +24 mm versus E51
    Depth:
    8.9 mm

Weight

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

  1. 1. E51

    100 g

  2. 2. Grand S Flex

    130 g

    +30 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. Grand S Flex

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

Grand S Flex has approximately 456.4% 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, Grand S Flex, compared at the same storage capacity.
StorageE51Grand S Flex
16 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. Grand S Flex

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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. Grand S Flex

    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. Grand S Flex

Everyday essentials
Everyday essentials — specifications for E51, Grand S Flex.
SpecificationE51Grand S Flex
Dimensions (HxWxD)
  • 114.8 Х 46 Х 12 mm
  • 143 Х 70 Х 8.9 mm
Weight
  • 100 g
  • 130 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2" inch
  • 5" inch
Screen resolution
  • 240 x 320 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 130 MB
  • 96 MB RAM
  • 16 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • No
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 4.1 (Jelly Bean)
Chipset Unknown
  • Qualcomm MSM8930 Snapdragon 400 (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for E51, Grand S Flex.
SpecificationE51Grand S Flex
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 12.4 cm2
  • 68.9 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 23.5%
  • 68.9%
PPI /points per inch/
  • 200 PPI
  • 294 PPI
Camera and Video
Camera and Video — specifications for E51, Grand S Flex.
SpecificationE51Grand S Flex
Rear camera, main
  • 2 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 2 MP
  • 8 MP
  • AF
Functions Unknown
  • LED flash
Video
  • 320p@15fps
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 1 MP
  • Single
Specifications Unknown
  • 1 MP
Performance

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

Performance — specifications for E51, Grand S Flex.
SpecificationE51Grand S Flex
Processor CPU
  • 369 MHz ARM 11
  • Dual-core 1.2 GHz Krait 200
Graphics processor GPU Unknown
  • Adreno 305
Antutu 7 score * Unknown
  • 15886
General specs
General specs — specifications for E51, Grand S Flex.
SpecificationE51Grand S Flex
Release date
  • 2007
  • September
  • 2013
  • November
Colors
  • Black
  • Silver
  • Black/Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
  • 310 EUR
Battery life
  • Stand by time- Up to 310 h Talking time- Up to 4 h 20 min
  • Stand by time- Up to 250 h Talking time- Up to 3 h
Communication and Connectivity
Communication and Connectivity — specifications for E51, Grand S Flex.
SpecificationE51Grand S Flex
SIM card
  • Mini-SIM
  • Yes
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA -4G - LTE
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA
GPRS
  • Class 32
  • Yes
Edge
  • Class 32
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • VoIP over WLAN
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • miniUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 1.38 W/kg (head) 0.75 W/kg (body) SAR EU - 1.47 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for E51, Grand S Flex.
SpecificationE51Grand S Flex
Radio
  • FM radio
  • FM radio
Others
  • Five-way scroll key -Downloadable themes
  • 2.5 mm audio jack
Unknown
Other features
Other features — specifications for E51, Grand S Flex.
SpecificationE51Grand S Flex
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