Samsung i520 vs vivo iQOO

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: 81 g lighter

    i520:
    99 g
    iQOO:
    180 g
  • Width

    i520: 24.7 mm narrower

    i520:
    50.5 mm
    iQOO:
    75.2 mm
  • Screen diagonal

    i520: 4.11 in smaller diagonal

    i520:
    2.3 in
    iQOO:
    6.41 in
  • Chipset

    i520:
    TI OMAP 2430
    iQOO:
    Qualcomm SDM855 Snapdragon 855 (7 nm)
  • Rear camera layout

    i520:
    Single
    iQOO:
    Dual
  • Depth

    iQOO: 9.4 mm thinner

    i520:
    17.9 mm
    iQOO:
    8.5 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. i520

    Height:
    101.7 mm
    Width:
    50.5 mm
    Depth:
    17.9 mm +9.4 mm versus iQOO
  2. 2. iQOO

    Height:
    157.7 mm +56 mm versus i520
    Width:
    75.2 mm +24.7 mm versus i520
    Depth:
    8.5 mm

Weight

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

  1. 1. i520

    99 g

  2. 2. iQOO

    180 g

    +81 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. iQOO

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

iQOO has approximately 515.7% 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

iQOO: Original memory entry

256 GB · 8/12 GB RAM 128 GB · 6/8 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. iQOO

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. i520

    950 mAh

  2. 2. iQOO

    4000 mAh

    +3050 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. iQOO

Everyday essentials
Everyday essentials — specifications for i520, iQOO.
Specificationi520iQOO
Dimensions (HxWxD)
  • 101.7 Х 50.5 Х 17.9 mm
  • 157.7 Х 75.2 Х 8.5 mm
Weight
  • 99 g
  • 180 g
Technology
  • TFT
  • AMOLED
Screen size
  • 2.3" inch
  • 6.41" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 35 MB
  • 256 GB
  • 8/12 GB RAM 128 GB
  • 6/8 GB RAM
Memory card support
  • microSD (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 950 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Symbian OS 9.2
  • Series 60 v3.1 UI
  • Android 9.0 (Pie); Funtouch 9
Chipset
  • TI OMAP 2430
  • Qualcomm SDM855 Snapdragon 855 (7 nm)
NFC Unknown
  • Yes
Headphone jack
  • No
  • Yes
Display
Display — specifications for i520, iQOO.
Specificationi520iQOO
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 16.4 cm2
  • 100.9 cm2
Screen format
  • 4:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 31.9%
  • 85.1%
PPI /points per inch/
  • 174 PPI
  • 402 PPI
Camera and Video
Camera and Video — specifications for i520, iQOO.
Specificationi520iQOO
Rear camera, main
  • 2 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 2 MP
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF -13 MP (ultrawide) -2 MP
  • f/2.4
  • depth sensor
Functions Unknown
  • HDR
Video
  • CIF
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 12 MP
  • Single
Specifications
  • VGA videocall camera
  • 12 MP
Performance

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

Performance — specifications for i520, iQOO.
Specificationi520iQOO
Processor CPU
  • 330 MHz ARM 1136
  • Octa-core (1x2.84 GHz Kryo 485 & 3x2.41 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
Graphics processor GPU
  • PowerVR MBX
  • Adreno 640
Antutu 8 score * Unknown
  • 420199
General specs
General specs — specifications for i520, iQOO.
Specificationi520iQOO
Release date
  • 2007
  • February
  • 2019
  • March
Colors
  • Black
  • Optic Blue
  • Lava Orange
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 EUR
  • 400 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 3 h 30 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for i520, iQOO.
Specificationi520iQOO
SIM card
  • Mini-SIM
  • Dual SIM (Nano-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 CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 1.8 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (7CA) Cat20 2000/150 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
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.49 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for i520, iQOO.
Specificationi520iQOO
Radio
  • No
  • No
Others
  • External touch keys
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for i520, iQOO.
Specificationi520iQOO
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 Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 44W -(50% in 15 min
  • 100% in 45 min) -Fast battery charging 22.5W - 6/128 GB version