Samsung i780 vs ZTE Nubia Z7

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.

  • Width

    i780: 14.4 mm narrower

    i780:
    61.3 mm
    Nubia Z7:
    75.7 mm
  • Screen diagonal

    i780: 2.95 in smaller diagonal

    i780:
    2.55 in
    Nubia Z7:
    5.5 in
  • Depth

    Nubia Z7: 4 mm thinner

    i780:
    12.9 mm
    Nubia Z7:
    8.9 mm
  • Height

    i780: 37.3 mm shorter

    i780:
    115.9 mm
    Nubia Z7:
    153.2 mm
  • Release year

    i780:
    2007
    Nubia Z7:
    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. i780

    Height:
    115.9 mm
    Width:
    61.3 mm
    Depth:
    12.9 mm +4 mm versus Nubia Z7
    Weight:
    120 g
  2. 2. Nubia Z7

    Height:
    153.2 mm +37.3 mm versus i780
    Width:
    75.7 mm +14.4 mm versus i780
    Depth:
    8.9 mm
    Weight:
    Unknown

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. i780

    Screen diagonal:
    2.55 in
    Aspect ratio (height:width):
    1:1
    Approximate rectangular screen area:
    21 cm²
  2. 2. Nubia Z7

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

Nubia Z7 has approximately 297.6% more rectangular screen area than i780.

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 i780, Nubia Z7, compared at the same storage capacity.
Storagei780Nubia Z7
32 GB Unknown 3 GB RAM
i780: Original memory entry

128 MB RAM · 256 MB ROM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. i780

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (dedicated slot)

2. Nubia Z7

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. i780

    1480 mAh

  2. 2. Nubia Z7

    3000 mAh

    +1520 mAh versus i780

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. i7802. Nubia Z7

Everyday essentials
Everyday essentials — specifications for i780, Nubia Z7.
Specificationi780Nubia Z7
Dimensions (HxWxD)
  • 115.9 Х 61.3 Х 12.9 mm
  • 153.2 Х 75.7 Х 8.9 mm
Weight
  • 120 g
  • 0 g
Technology
  • TFT
Unknown
Screen size
  • 2.55" inch
  • 5.5" inch
Screen resolution
  • 320 x 320 px
  • 1440 x 2560 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 MB RAM
  • 256 MB ROM
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1480 mAh
  • Removable Li-Ion
  • 3000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.0 Professional
  • Android 4.4.2 (KitKat); nubia UI 2
Chipset Unknown
  • Qualcomm MSM8974AC Snapdragon 801 (28 nm)
NFC Unknown
  • Yes
Headphone jack
  • No
  • Yes
Display
Display — specifications for i780, Nubia Z7.
Specificationi780Nubia Z7
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 21.0 cm2
  • 82.2 cm2
Screen format
  • 1:1 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 29.5%
  • 70.8%
PPI /points per inch/
  • 177 PPI
  • 538 PPI
Camera and Video
Camera and Video — specifications for i780, Nubia Z7.
Specificationi780Nubia Z7
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 2 MP
  • 13 MP
  • OIS
  • AF
Functions Unknown
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • VGA videocall camera
  • 5 MP
Performance

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

Performance — specifications for i780, Nubia Z7.
Specificationi780Nubia Z7
Processor CPU
  • 32-bit Marvell PXA310 624 MHz
  • Quad-core 2.5 GHz Krait 400
Graphics processor GPU Unknown
  • Adreno 330
Antutu 7 score * Unknown
  • 37154
General specs
General specs — specifications for i780, Nubia Z7.
Specificationi780Nubia Z7
Release date
  • 2007
  • September
  • 2014
  • July
Colors
  • Black
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 250 EUR
Battery life
  • Stand by time- Up to 400 h Talking time- Up to 7 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for i780, Nubia Z7.
Specificationi780Nubia Z7
SIM card
  • Mini-SIM
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA
  • LTE
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • Proprietary
  • microUSB 2.0
Bluetooth
  • 2.0
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 0.48 W/kg (head) 0.73 W/kg (body) SAR EU - 0.51 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for i780, Nubia Z7.
Specificationi780Nubia Z7
Radio
  • No
  • FM radio
Others Unknown
  • DTS sound -Active noise cancellation with dedicated mic
Other features
Other features — specifications for i780, Nubia Z7.
Specificationi780Nubia Z7
Dop
  • Pocket Office -Voice memo -Callia Player
  • Callia Reader -Photo Slides -SmartConverter -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player - Optical trackpad
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port