Oppo A7x vs verykool s400

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

    s400: 49 g lighter

    A7x:
    169 g
    s400:
    120 g
  • Width

    s400: 9 mm narrower

    A7x:
    74 mm
    s400:
    65 mm
  • Screen diagonal

    s400: 2.3 in smaller diagonal

    A7x:
    6.3 in
    s400:
    4 in
  • Chipset

    A7x:
    Mediatek MT6771 Helio P60 (12 nm)
    s400:
    Mediatek MT6589 (28 nm)
  • Rear camera layout

    A7x:
    Dual
    s400:
    Single
  • Depth

    A7x: 4 mm thinner

    A7x:
    8 mm
    s400:
    12 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. A7x

    Height:
    156.7 mm +37.7 mm versus s400
    Width:
    74 mm +9 mm versus s400
    Depth:
    8 mm
  2. 2. s400

    Height:
    119 mm
    Width:
    65 mm
    Depth:
    12 mm +4 mm versus A7x

Weight

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

  1. 1. A7x

    169 g

    +49 g versus s400

  2. 2. s400

    120 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. A7x

    Screen diagonal:
    6.3 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    97.4 cm²
  2. 2. s400

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

A7x has approximately 113.9% more rectangular screen area than s400.

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.

A7x: Original memory entry

128 GB · 512GB 4GB

s400: Original memory entry

4 GB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. A7x

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

2. s400

NFC:
Unknown
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. A7x

    3500 mAh

    +2100 mAh versus s400

  2. 2. s400

    1400 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. A7x2. s400

Everyday essentials
Everyday essentials — specifications for A7x, s400.
SpecificationA7xs400
Dimensions (HxWxD)
  • 156.7 Х 74 Х 8 mm
  • 119 Х 65 Х 12 mm
Weight
  • 169 g
  • 120 g
Technology
  • LTPS IPS LCD
  • TFT
Screen size
  • 6.3" inch
  • 4" inch
Screen resolution
  • 1080 x 2340 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 GB
  • 512GB 4GB
  • 4 GB
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Po
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo); ColorOS 5.2
  • Android 4.2.1 (Jelly Bean)
Chipset
  • Mediatek MT6771 Helio P60 (12 nm)
  • Mediatek MT6589 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A7x, s400.
SpecificationA7xs400
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 97.4 cm2
  • 45.5 cm2
Screen format
  • 19.5:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 84.0%
  • 58.9%
PPI /points per inch/
  • 409 PPI
  • 233 PPI
Screen protection
  • To be confirmed
Unknown
Camera and Video
Camera and Video — specifications for A7x, s400.
SpecificationA7xs400
Rear camera, main
  • 16 MP
  • Dual
  • 5 MP
  • Single
Camera specs
  • 16 MP
  • f/1.8
  • 1/3.1
  • 1.0µm
  • PDAF -2 MP
  • f/2.4
  • depth sensor
  • 5 MP
Functions
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 16 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 16 MP
  • f/2.0
  • VGA
Performance

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

Performance — specifications for A7x, s400.
SpecificationA7xs400
Processor CPU
  • Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Mali-G72 MP3
  • PowerVR SGX544
Antutu 7 score *
  • 140725
Unknown
General specs
General specs — specifications for A7x, s400.
SpecificationA7xs400
Release date
  • 2018
  • September
  • 2013
  • September
Colors
  • Starry Purple
  • Ice Flame Blue
  • Black
  • White
  • Pink
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 270 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 240 h (3G) Talking time- Up to 6 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for A7x, s400.
SpecificationA7xs400
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA - China -3G - HSDPA 850 / 900 / 2100 -4G - LTE
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM1 & SIM 2 (optional)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat13 600/100 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 3.0
  • A2DP
Music and Audio
Music and Audio — specifications for A7x, s400.
SpecificationA7xs400
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for A7x, s400.
SpecificationA7xs400
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W - For China
  • Sensors Accelerometer
  • proximity