HTC Desire 520 vs Samsung i637 Jack

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

    i637 Jack: 7.9 mm narrower

    Desire 520:
    68.9 mm
    i637 Jack:
    61 mm
  • Screen diagonal

    i637 Jack: 2.1 in smaller diagonal

    Desire 520:
    4.5 in
    i637 Jack:
    2.4 in
  • Depth

    Desire 520: 3.6 mm thinner

    Desire 520:
    9.1 mm
    i637 Jack:
    12.7 mm
  • Height

    i637 Jack: 22.8 mm shorter

    Desire 520:
    139.8 mm
    i637 Jack:
    117 mm
  • Release year

    Desire 520:
    2015
    i637 Jack:
    2009

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. Desire 520

    Height:
    139.8 mm +22.8 mm versus i637 Jack
    Width:
    68.9 mm +7.9 mm versus i637 Jack
    Depth:
    9.1 mm
    Weight:
    Unknown
  2. 2. i637 Jack

    Height:
    117 mm
    Width:
    61 mm
    Depth:
    12.7 mm +3.6 mm versus Desire 520
    Weight:
    102.1 g

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. Desire 520

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. i637 Jack

    Screen diagonal:
    2.4 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    17.8 cm²

Desire 520 has approximately 213% more rectangular screen area than i637 Jack.

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 Desire 520, i637 Jack, compared at the same storage capacity.
StorageDesire 520i637 Jack
8 GB 1 GB RAM Unknown
i637 Jack: Original memory entry

256 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. Desire 520

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. i637 Jack

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 16 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. Desire 520

    2000 mAh

    +520 mAh versus i637 Jack

  2. 2. i637 Jack

    1480 mAh

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. Desire 5202. i637 Jack

Everyday essentials
Everyday essentials — specifications for Desire 520, i637 Jack.
SpecificationDesire 520i637 Jack
Dimensions (HxWxD)
  • 139.8 Х 68.9 Х 9.1 mm
  • 117 Х 61 Х 12.7 mm
Weight
  • 0 g
  • 102.1 g
Technology Unknown
  • TFT
Screen size
  • 4.5" inch
  • 2.4" inch
Screen resolution
  • 480 x 854 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 256 MB RAM
  • 256 MB ROM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 16 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Removable Li-Ion
  • 1480 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop); Sense 7 UI
  • Microsoft Windows Mobile 6.1 Standard
  • upgradable to Windows Mobile 6.5
Chipset
  • Qualcomm MSM8909 Snapdragon 210 (28 nm)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Desire 520, i637 Jack.
SpecificationDesire 520i637 Jack
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 65K
Screen area
  • 55.8 cm2
  • 17.8 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 57.9%
  • 25.0%
PPI /points per inch/
  • 218 PPI
  • 167 PPI
Camera and Video
Camera and Video — specifications for Desire 520, i637 Jack.
SpecificationDesire 520i637 Jack
Rear camera, main
  • 8 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 3.15 MP
Functions
  • LED flash
Unknown
Video
  • 720p
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 0 MP,
Specifications
  • 2 MP
Unknown
Performance

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

Performance — specifications for Desire 520, i637 Jack.
SpecificationDesire 520i637 Jack
Processor CPU
  • Quad-core 1.1 GHz Cortex-A7
  • 528 MHz
Graphics processor GPU
  • Adreno 304
Unknown
GeekBench 4 Single Core *
  • 307
Unknown
GeekBench 4 Multi-Core *
  • 563
Unknown
General specs
General specs — specifications for Desire 520, i637 Jack.
SpecificationDesire 520i637 Jack
Release date
  • 2015
  • August
  • 2009
  • May
Colors
  • Slate Gray
Unknown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 120 EUR
Battery life Unknown
  • Stand by time- Up to 288 h Talking time- Up to 7 h
Communication and Connectivity
Communication and Connectivity — specifications for Desire 520, i637 Jack.
SpecificationDesire 520i637 Jack
SIM card
  • Nano-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1900 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 17(700)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • LTE
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • 2.0
Bluetooth
  • 4.1
  • A2DP
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 1.04 W/kg (head) 0.53 W/kg (body)
Music and Audio
Music and Audio — specifications for Desire 520, i637 Jack.
SpecificationDesire 520i637 Jack
Radio
  • FM radio
  • No
Other features
Other features — specifications for Desire 520, i637 Jack.
SpecificationDesire 520i637 Jack
Dop
  • Sensors Accelerometer
  • proximity
  • Windows Media Player 10 -Windows Live
  • Yahoo!
  • AOL -Microsoft Outlook Mobile -Pocket Office -Voice memo/dial -Predictive text input - For AT&T