Samsung i620 vs ZTE Nubia Z7 mini

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

    i620: 16.8 g lighter

    i620:
    126.2 g
    Nubia Z7 mini:
    143 g
  • Width

    i620: 10 mm narrower

    i620:
    59.3 mm
    Nubia Z7 mini:
    69.3 mm
  • Screen diagonal

    i620: 2.8 in smaller diagonal

    i620:
    2.2 in
    Nubia Z7 mini:
    5 in
  • Chipset

    i620:
    TI OMAP 1710
    Nubia Z7 mini:
    Qualcomm MSM8974AA Snapdragon 801 (28 nm)
  • Depth

    Nubia Z7 mini: 8.1 mm thinner

    i620:
    16.3 mm
    Nubia Z7 mini:
    8.2 mm
  • Height

    i620: 46 mm shorter

    i620:
    94.9 mm
    Nubia Z7 mini:
    140.9 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. i620

    Height:
    94.9 mm
    Width:
    59.3 mm
    Depth:
    16.3 mm +8.1 mm versus Nubia Z7 mini
  2. 2. Nubia Z7 mini

    Height:
    140.9 mm +46 mm versus i620
    Width:
    69.3 mm +10 mm versus i620
    Depth:
    8.2 mm

Weight

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

  1. 1. i620

    126.2 g

  2. 2. Nubia Z7 mini

    143 g

    +16.8 g versus i620

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. i620

    Screen diagonal:
    2.2 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    15 cm²
  2. 2. Nubia Z7 mini

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

Nubia Z7 mini has approximately 359.8% more rectangular screen area than i620.

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 i620, Nubia Z7 mini, compared at the same storage capacity.
Storagei620Nubia Z7 mini
16 GB Unknown 2 GB RAM
i620: Original memory entry

80 MB · 64 MB RAM · 128 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. i620

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

2. Nubia Z7 mini

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 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. i620

    1200 mAh

  2. 2. Nubia Z7 mini

    2300 mAh

    +1100 mAh versus i620

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. i6202. Nubia Z7 mini

Everyday essentials
Everyday essentials — specifications for i620, Nubia Z7 mini.
Specificationi620Nubia Z7 mini
Dimensions (HxWxD)
  • 94.9 Х 59.3 Х 16.3 mm
  • 140.9 Х 69.3 Х 8.2 mm
Weight
  • 126.2 g
  • 143 g
Technology
  • TFT
Unknown
Screen size
  • 2.2" inch
  • 5" inch
Screen resolution
  • 320 x 240 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 80 MB
  • 64 MB RAM
  • 128 MB ROM
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 64 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 2300 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.0 Standard Edition
  • Android 4.4.2 (KitKat); nubia UI 2
Chipset
  • TI OMAP 1710
  • Qualcomm MSM8974AA Snapdragon 801 (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for i620, Nubia Z7 mini.
Specificationi620Nubia Z7 mini
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 15.0 cm2
  • 67.7 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 26.6%
  • 69.3%
PPI /points per inch/
  • 182 PPI
  • 445 PPI
Camera and Video
Camera and Video — specifications for i620, Nubia Z7 mini.
Specificationi620Nubia Z7 mini
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 2 MP
  • 13 MP
  • AF
Functions
  • LED flash
  • LED 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 i620, Nubia Z7 mini.
Specificationi620Nubia Z7 mini
Processor CPU
  • 220 MHz ARM926EJ-S
  • Quad-core 2.0 GHz Krait 400
Graphics processor GPU Unknown
  • Adreno 330
Antutu 7 score * Unknown
  • 37256
GeekBench 4 Single Core * Unknown
  • 940
GeekBench 4 Multi-Core * Unknown
  • 2370
GeekBench 4 RenderScript * Unknown
  • 1936
General specs
General specs — specifications for i620, Nubia Z7 mini.
Specificationi620Nubia Z7 mini
Release date
  • 2007
  • June
  • 2014
  • July
Colors
  • Silver
  • Black
  • Pink
  • Black
  • White
  • Red
  • Green
  • Yellow
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 EUR
  • 180 EUR
Battery life
  • Stand by time- Up to 320 h Talking time- Up to 6 h 30 min
  • Stand by time- Up to 580 h (3G) Talking time- Up to 30 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for i620, Nubia Z7 mini.
Specificationi620Nubia Z7 mini
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 1.8 Mbps
  • HSPA
  • LTE
GPRS
  • Class 10
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
USB
  • miniUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 0.33 W/kg (head) 0.29 W/kg (body) SAR EU - 0.38 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for i620, Nubia Z7 mini.
Specificationi620Nubia Z7 mini
Radio
  • No
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for i620, Nubia Z7 mini.
Specificationi620Nubia Z7 mini
Dop
  • WMV/3GP/H.263/MP4 player -WMA/MP3/AAC/AAC+/OGG/ASF player -Organizer -Pocket Office
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass