Nokia E7 vs ZTE nubia Z20

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

    E7: 10 g lighter

    E7:
    176 g
    nubia Z20:
    186 g
  • Width

    E7: 12.8 mm narrower

    E7:
    62.4 mm
    nubia Z20:
    75.2 mm
  • Screen diagonal

    E7: 2.42 in smaller diagonal

    E7:
    4 in
    nubia Z20:
    6.42 in
  • Rear camera layout

    E7:
    Single
    nubia Z20:
    Triple
  • Depth

    nubia Z20: 4.4 mm thinner

    E7:
    13.6 mm
    nubia Z20:
    9.2 mm
  • Height

    E7: 34.9 mm shorter

    E7:
    123.7 mm
    nubia Z20:
    158.6 mm

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. E7

    Height:
    123.7 mm
    Width:
    62.4 mm
    Depth:
    13.6 mm +4.4 mm versus nubia Z20
  2. 2. nubia Z20

    Height:
    158.6 mm +34.9 mm versus E7
    Width:
    75.2 mm +12.8 mm versus E7
    Depth:
    9.2 mm

Weight

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

  1. 1. E7

    176 g

  2. 2. nubia Z20

    186 g

    +10 g versus E7

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. E7

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    44.1 cm²
  2. 2. nubia Z20

    Screen diagonal:
    6.42 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    101.2 cm²

nubia Z20 has approximately 129.4% more rectangular screen area than E7.

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.

E7: Original memory entry

16 GB · 256 MB RAM · 1 GB ROM

nubia Z20: Original memory entry

128/512 GB · 8 GB RAM 128 GB · 6 GB 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. E7

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

2. nubia Z20

NFC:
Unknown
Headphone jack:
No
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. E7

    1200 mAh

  2. 2. nubia Z20

    4000 mAh

    +2800 mAh versus E7

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. E72. nubia Z20

Everyday essentials
Everyday essentials — specifications for E7, nubia Z20.
SpecificationE7nubia Z20
Dimensions (HxWxD)
  • 123.7 Х 62.4 Х 13.6 mm
  • 158.6 Х 75.2 Х 9.2 mm
Weight
  • 176 g
  • 186 g
Technology
  • AMOLED
  • AMOLED
Screen size
  • 4" inch
  • 6.42" inch
Screen resolution
  • 360 x 640 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 256 MB RAM
  • 1 GB ROM
  • 128/512 GB
  • 8 GB RAM 128 GB
  • 6 GB RAM
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Non-removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Symbian^3
  • upgradable to Nokia Belle OS
  • Android 9.0 (Pie); Nubia UI 7
Chipset Unknown
  • Qualcomm SDM855 Snapdragon 855+ (7 nm)
Headphone jack
  • Yes
  • No
Display
Display — specifications for E7, nubia Z20.
SpecificationE7nubia Z20
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 44.1 cm2
  • 101.2 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 57.1%
  • 84.8%
PPI /points per inch/
  • 184 PPI
  • 401 PPI
Screen protection
  • Corning Gorilla Glass
  • Corning Gorilla Glass (unspecified)
Camera and Video
Camera and Video — specifications for E7, nubia Z20.
SpecificationE7nubia Z20
Rear camera, main
  • 8 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 8 MP
  • 48 MP
  • f/1.7
  • 26mm (wide)
  • 1/2''
  • 0.8µm
  • PDAF
  • OIS -8 MP (telephoto)
  • 3x optical zoom -16 MP
  • 12mm (ultrawide)
Functions
  • Dual-LED flash
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • 720p@25fps
  • 720p@30fps (via SW update)
  • 4320@15fps
  • 2160p@30/60fps
  • 1080p@30/60fps
  • 720p@1920fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 48 MP
  • Triple
Specifications
  • VGA
  • Uses main cameras
Performance
Performance — specifications for E7, nubia Z20.
SpecificationE7nubia Z20
Processor CPU
  • 680 MHz ARM 11
  • Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Graphics processor GPU
  • Broadcom BCM2727
  • Adreno 640 (700 MHz)
General specs
General specs — specifications for E7, nubia Z20.
SpecificationE7nubia Z20
Release date
  • 2010
  • September
  • 2019
  • August
Colors
  • Dark Grey
  • Silver White
  • Green
  • Blue
  • Orange
  • Black
  • Blue
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 450 EUR
Battery life
  • Stand by time- Up to 432 h (2G) / Up to 480 h (3G) Talking time- Up to 9 h (2G) / Up to 5 h (3G)
Unknown
Body build Unknown
  • Front/back glass
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for E7, nubia Z20.
SpecificationE7nubia Z20
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 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 10.2/2 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (6CA) Cat18 1200/150 Mbps
GPRS
  • Class 32
  • Yes
Edge
  • Class 32
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS; Ovi Maps 3.0
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • microUSB 2.0
  • USB Host
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 3.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.93 W/kg (head) 1.23 W/kg (body) SAR EU - 0.56 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for E7, nubia Z20.
SpecificationE7nubia Z20
Radio
  • Stereo FM radio
  • RDS
  • No
Others
  • Nokia ClearBlack display
  • Active noise cancellation with dedicated mic
  • HDR10 -Secondary display (on the back): AMOLED
  • 5.1 inches
  • 1080 x 2340 pixels
  • Corning Gorilla Glass 3
  • DTS HD sound -32-bit/384kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for E7, nubia Z20.
SpecificationE7nubia Z20
Dop
  • Sensors Accelerometer
  • proximity
  • compass - TV-out (720p video) via HDMI and composite -Dolby Digital Plus via HDMI -MP3/WAV/eAAC+/WMA player -MP4/H.264/WMV player -Voice command/dial -Document editor (Word
  • Excel
  • PowerPoint
  • PDF) -Video/photo editor -Voice memo/dial -Predictive text input
  • Sensors Dual fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 27W - USB Power Delivery 2.0