HTC One VX vs ZTE Blade A520

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

    One VX: 5.3 g lighter

    One VX:
    124.7 g
    Blade A520:
    130 g
  • Width

    One VX: 3.4 mm narrower

    One VX:
    67.6 mm
    Blade A520:
    71 mm
  • Screen diagonal

    One VX: 0.5 in smaller diagonal

    One VX:
    4.5 in
    Blade A520:
    5 in
  • Chipset

    One VX:
    Qualcomm MSM8930 Snapdragon 400 (28 nm)
    Blade A520:
    Mediatek MT6737 (28 nm)
  • Depth

    Blade A520: 0.8 mm thinner

    One VX:
    9.2 mm
    Blade A520:
    8.4 mm
  • Height

    One VX: 10.5 mm shorter

    One VX:
    133.5 mm
    Blade A520:
    144 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. One VX

    Height:
    133.5 mm
    Width:
    67.6 mm
    Depth:
    9.2 mm +0.8 mm versus Blade A520
  2. 2. Blade A520

    Height:
    144 mm +10.5 mm versus One VX
    Width:
    71 mm +3.4 mm versus One VX
    Depth:
    8.4 mm

Weight

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

  1. 1. One VX

    124.7 g

  2. 2. Blade A520

    130 g

    +5.3 g versus One VX

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. One VX

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. Blade A520

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

Blade A520 has approximately 23.5% more rectangular screen area than One VX.

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 One VX, Blade A520, compared at the same storage capacity.
StorageOne VXBlade A520
8 GB 1 GB RAM Unknown
Blade A520: Original memory entry

16 GB · 2 GB RAM 8 GB · 1 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. One VX

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. Blade A520

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (uses SIM 2 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. One VX

    1800 mAh

  2. 2. Blade A520

    2400 mAh

    +600 mAh versus One VX

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. One VX2. Blade A520

Everyday essentials
Everyday essentials — specifications for One VX, Blade A520.
SpecificationOne VXBlade A520
Dimensions (HxWxD)
  • 133.5 Х 67.6 Х 9.2 mm
  • 144 Х 71 Х 8.4 mm
Weight
  • 124.7 g
  • 130 g
Technology
  • Super LCD2
  • IPS LCD
Screen size
  • 4.5" inch
  • 5" inch
Screen resolution
  • 540 x 960 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 16 GB
  • 2 GB RAM 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 128 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Non-removable Li-Ion
  • 2400 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.0 (Ice Cream Sandwich); Sense UI 4
  • Android 7.0 (Nougat)
Chipset
  • Qualcomm MSM8930 Snapdragon 400 (28 nm)
  • Mediatek MT6737 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for One VX, Blade A520.
SpecificationOne VXBlade A520
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 61.9%
  • 67.4%
PPI /points per inch/
  • 245 PPI
  • 294 PPI
Camera and Video
Camera and Video — specifications for One VX, Blade A520.
SpecificationOne VXBlade A520
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • HDR
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • VGA
  • 8 MP or 2 MP
Performance

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

Performance — specifications for One VX, Blade A520.
SpecificationOne VXBlade A520
Processor CPU
  • Dual-core 1.2 GHz Krait
  • Quad-core 1.25 GHz Cortex-A53
Graphics processor GPU
  • Adreno 305
  • Mali-T720MP2
Antutu 7 score * Unknown
  • 27862
GeekBench 4 Single Core * Unknown
  • 517
GeekBench 4 Multi-Core * Unknown
  • 1442
General specs
General specs — specifications for One VX, Blade A520.
SpecificationOne VXBlade A520
Release date
  • 2012
  • October
  • 2017
  • March
Colors
  • White
  • Black
  • Gray
  • Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 290 EUR
  • 80 EUR
Communication and Connectivity
Communication and Connectivity — specifications for One VX, Blade A520.
SpecificationOne VXBlade A520
SIM card
  • Micro-SIM
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1900 -4G - LTE band 4(1700/2100)
  • 17(700)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 1900 / 2100 HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat3 100/50 Mbps
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • aptX
  • 4.1
  • A2DP
  • LE
Harmful irradiation
  • SAR - 1.16 W/kg (head) 1.23 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for One VX, Blade A520.
SpecificationOne VXBlade A520
Radio
  • FM radio
  • FM radio
Others
  • Beats Audio -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for One VX, Blade A520.
SpecificationOne VXBlade A520
Dop
  • Sensors Accelerometer
  • proximity
  • compass - DivX/XviD/MP4/H.264/WMV player -MP3/eAAC+/WMA/WAV/FLAC player -Document viewer - For AT&T
  • Sensors Accelerometer