Samsung i520 vs ZTE Nubia X6

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

    i520: 116 g lighter

    i520:
    99 g
    Nubia X6:
    215 g
  • Width

    i520: 38.5 mm narrower

    i520:
    50.5 mm
    Nubia X6:
    89 mm
  • Screen diagonal

    i520: 4.14 in smaller diagonal

    i520:
    2.3 in
    Nubia X6:
    6.44 in
  • Depth

    Nubia X6: 10 mm thinner

    i520:
    17.9 mm
    Nubia X6:
    7.9 mm
  • Height

    i520: 77.8 mm shorter

    i520:
    101.7 mm
    Nubia X6:
    179.5 mm
  • Release year

    i520:
    2007
    Nubia X6:
    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. i520

    Height:
    101.7 mm
    Width:
    50.5 mm
    Depth:
    17.9 mm +10 mm versus Nubia X6
  2. 2. Nubia X6

    Height:
    179.5 mm +77.8 mm versus i520
    Width:
    89 mm +38.5 mm versus i520
    Depth:
    7.9 mm

Weight

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

  1. 1. i520

    99 g

  2. 2. Nubia X6

    215 g

    +116 g versus i520

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. i520

    Screen diagonal:
    2.3 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    16.4 cm²
  2. 2. Nubia X6

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

Nubia X6 has approximately 597.9% more rectangular screen area than i520.

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.

i520: Original memory entry

35 MB

Nubia X6: Original memory entry

32/64 GB · 2 GB RAM/ 128 GB · 3 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. i520

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

2. Nubia X6

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. i520

    950 mAh

  2. 2. Nubia X6

    4250 mAh

    +3300 mAh versus i520

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. i5202. Nubia X6

Everyday essentials
Everyday essentials — specifications for i520, Nubia X6.
Specificationi520Nubia X6
Dimensions (HxWxD)
  • 101.7 Х 50.5 Х 17.9 mm
  • 179.5 Х 89 Х 7.9 mm
Weight
  • 99 g
  • 215 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.3" inch
  • 6.44" 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.
  • 35 MB
  • 32/64 GB
  • 2 GB RAM/ 128 GB
  • 3 GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 950 mAh
  • Removable Li-Ion
  • 4250 mAh
  • Non-removable Li-Ion
Operating system OS
  • Symbian OS 9.2
  • Series 60 v3.1 UI
  • Android 4.3 (Jelly Bean)
Chipset
  • TI OMAP 2430
  • Qualcomm MSM8974AB/ MSM8974AC Snapdragon 801 (28 nm)
NFC Unknown
  • Yes
Headphone jack
  • No
  • Yes
Display
Display — specifications for i520, Nubia X6.
Specificationi520Nubia X6
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 16.4 cm2
  • 114.3 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 31.9%
  • 71.6%
PPI /points per inch/
  • 174 PPI
  • 342 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for i520, Nubia X6.
Specificationi520Nubia X6
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 2 MP
  • 13 MP
  • OIS
  • AF
Functions Unknown
  • Dual-LED flash
  • panorama
  • HDR
Video
  • CIF
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 13 MP
  • Single
Specifications
  • VGA videocall camera
  • 13 MP
Performance

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

Performance — specifications for i520, Nubia X6.
Specificationi520Nubia X6
Processor CPU
  • 330 MHz ARM 1136
  • Quad-core 2.3/2.5 GHz Krait 400
Graphics processor GPU
  • PowerVR MBX
  • Adreno 330
Antutu 7 score * Unknown
  • 38123
General specs
General specs — specifications for i520, Nubia X6.
Specificationi520Nubia X6
Release date
  • 2007
  • February
  • 2014
  • March
Colors
  • Black
  • White
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 EUR
  • 350 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 3 h 30 min
  • Stand by time- Up to 695 h Talking time- Up to 32 h (2G) / Up to 17 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for i520, Nubia X6.
Specificationi520Nubia X6
SIM card
  • Mini-SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 -3G - HSDPA 850 / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 3(1800)
  • 7(2600) LTE band 38(2600)
  • 39(1900)
  • 40(2300)
Speed
  • HSPA 1.8 Mbps
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • EV-DO Rev.A 3.1 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • 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
USB
  • 2.0
  • microUSB 3.0
  • USB Host
Bluetooth
  • 2.0
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.49 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for i520, Nubia X6.
Specificationi520Nubia X6
Radio
  • No
  • FM radio
Others
  • External touch keys
  • Dolby Mobile -Active noise cancellation with dedicated mic
Other features
Other features — specifications for i520, Nubia X6.
Specificationi520Nubia X6
Dop
  • WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) -Predictive text input -Voice memo -Voice mail -Organizer
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Versions: 32/64 GB
  • 2 GB RAM
  • MSM8974AB chipset
  • 2.3 GHz processor 128 GB
  • 3 GB RAM
  • MSM8974AC chipset
  • 2.5 GHz processor