Nokia E51 vs ZTE Nubia Z9

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: 92 g lighter

    E51:
    100 g
    Nubia Z9:
    192 g
  • Width

    E51: 22.3 mm narrower

    E51:
    46 mm
    Nubia Z9:
    68.3 mm
  • Screen diagonal

    E51: 3.2 in smaller diagonal

    E51:
    2 in
    Nubia Z9:
    5.2 in
  • Depth

    Nubia Z9: 3.1 mm thinner

    E51:
    12 mm
    Nubia Z9:
    8.9 mm
  • Height

    E51: 32.6 mm shorter

    E51:
    114.8 mm
    Nubia Z9:
    147.4 mm
  • Release year

    E51:
    2007
    Nubia Z9:
    2015

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 Nubia Z9
  2. 2. Nubia Z9

    Height:
    147.4 mm +32.6 mm versus E51
    Width:
    68.3 mm +22.3 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. Nubia Z9

    192 g

    +92 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. Nubia Z9

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

Nubia Z9 has approximately 501.8% 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

E51: Original memory entry

130 MB · 96 MB RAM

Nubia Z9: Original memory entry

64 GB · 4 GB RAM - Exclusive & Elite editions32 GB · 3 GB RAM - Classic edition

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. Nubia Z9

NFC:
Yes
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. Nubia Z9

    2900 mAh

    +1850 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. Nubia Z9

Everyday essentials
Everyday essentials — specifications for E51, Nubia Z9.
SpecificationE51Nubia Z9
Dimensions (HxWxD)
  • 114.8 Х 46 Х 12 mm
  • 147.4 Х 68.3 Х 8.9 mm
Weight
  • 100 g
  • 192 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2" inch
  • 5.2" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 130 MB
  • 96 MB RAM
  • 64 GB
  • 4 GB RAM - Exclusive & Elite editions32 GB
  • 3 GB RAM - Classic edition
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
  • 2900 mAh
  • Non-removable Li-Ion
Operating system OS
  • Symbian OS 9.2
  • Series 60 v3.1 UI
  • Android 5.2 (Lollipop); nubia UI 3
Chipset Unknown
  • Qualcomm MSM8994 Snapdragon 810 (20 nm)
NFC Unknown
  • Yes
Headphone jack
  • No
  • Yes
Display
Display — specifications for E51, Nubia Z9.
SpecificationE51Nubia Z9
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 12.4 cm2
  • 74.5 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 23.5%
  • 74.0%
PPI /points per inch/
  • 200 PPI
  • 424 PPI
Camera and Video
Camera and Video — specifications for E51, Nubia Z9.
SpecificationE51Nubia Z9
Rear camera, main
  • 2 MP
  • Single
  • 16 MP
  • Single
Camera specs
  • 2 MP
  • 16 MP
  • f/2.0
  • 1/2.6''
  • 1.12µm
  • AF
Functions Unknown
  • LED flash
  • panorama
  • HDR
Video
  • 320p@15fps
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 8 MP
  • Single
Specifications Unknown
  • 8 MP
  • f/2.0
  • 1/3.2''
  • 1.4µm
Performance

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

Performance — specifications for E51, Nubia Z9.
SpecificationE51Nubia Z9
Processor CPU
  • 369 MHz ARM 11
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x2.0 GHz Cortex-A57)
Graphics processor GPU Unknown
  • Adreno 430
Antutu 7 score * Unknown
  • 75829
GeekBench 4 Single Core * Unknown
  • 1200
GeekBench 4 Multi-Core * Unknown
  • 2652
GeekBench 4 RenderScript * Unknown
  • 3695
General specs
General specs — specifications for E51, Nubia Z9.
SpecificationE51Nubia Z9
Release date
  • 2007
  • September
  • 2015
  • May
Colors
  • Black
  • Silver
  • Black
  • White
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
  • 350 EUR
Battery life
  • Stand by time- Up to 310 h Talking time- Up to 4 h 20 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for E51, Nubia Z9.
SpecificationE51Nubia Z9
SIM card
  • Mini-SIM
  • Dual SIM (Nano-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 CDMA 800 -3G - HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Class 32
  • Yes
Edge
  • Class 32
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • VoIP over WLAN
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • miniUSB 2.0
  • microUSB 2.0 (MHL 3 TV-out)
  • USB Host
Bluetooth
  • 2.0
  • A2DP
  • 4.1
  • 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, Nubia Z9.
SpecificationE51Nubia Z9
Radio
  • FM radio
  • FM radio
Others
  • Five-way scroll key -Downloadable themes
  • 2.5 mm audio jack
  • Dolby Audio enhancement -Active noise cancellation with dedicated mic
Other features
Other features — specifications for E51, Nubia Z9.
SpecificationE51Nubia Z9
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 Fingerprint (Exclusive edition only; side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port