Allview V2 Viper vs Oppo Ace2

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

    V2 Viper: 43 g lighter

    V2 Viper:
    143 g
    Ace2:
    186 g
  • Width

    V2 Viper: 8.4 mm narrower

    V2 Viper:
    67 mm
    Ace2:
    75.4 mm
  • Screen diagonal

    V2 Viper: 1.85 in smaller diagonal

    V2 Viper:
    4.7 in
    Ace2:
    6.55 in
  • Chipset

    V2 Viper:
    Mediatek MT6735 (28 nm)
    Ace2:
    Qualcomm SM8250 Snapdragon 865 (7 nm+)
  • Rear camera layout

    V2 Viper:
    Single
    Ace2:
    Quad
  • Depth

    V2 Viper: 0.7 mm thinner

    V2 Viper:
    7.9 mm
    Ace2:
    8.6 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. V2 Viper

    Height:
    137.2 mm
    Width:
    67 mm
    Depth:
    7.9 mm
  2. 2. Ace2

    Height:
    160 mm +22.8 mm versus V2 Viper
    Width:
    75.4 mm +8.4 mm versus V2 Viper
    Depth:
    8.6 mm +0.7 mm versus V2 Viper

Weight

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

  1. 1. V2 Viper

    143 g

  2. 2. Ace2

    186 g

    +43 g versus V2 Viper

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. V2 Viper

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    60.9 cm²
  2. 2. Ace2

    Screen diagonal:
    6.55 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    103.6 cm²

Ace2 has approximately 70.1% more rectangular screen area than V2 Viper.

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 V2 Viper, Ace2, compared at the same storage capacity.
StorageV2 ViperAce2
16 GB 1 GB RAM Not recorded
128 GB Not recorded 8 GB RAM
256 GB Not recorded 8 / 12 GB RAM Alternative RAM configurations

Practical features

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

1. V2 Viper

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB

2. Ace2

NFC:
Yes
Headphone jack:
No
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. V2 Viper

    2000 mAh

  2. 2. Ace2

    4000 mAh

    +2000 mAh versus V2 Viper

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. V2 Viper2. Ace2

Everyday essentials
Everyday essentials — specifications for V2 Viper, Ace2.
SpecificationV2 ViperAce2
Dimensions (HxWxD)
  • 137.2 Х 67 Х 7.9 mm
  • 160 Х 75.4 Х 8.6 mm
Weight
  • 143 g
  • 186 g
Technology
  • Super AMOLED
  • AMOLED
Screen size
  • 4.7" inch
  • 6.55" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 128GB 8GB RAM
  • 256GB 8GB RAM
  • 256GB 12GB RAM
Memory card support
  • microSD
  • up to 256 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 5.0 (Lollipop)
  • Android 10.0; ColorOS 7.1
Chipset
  • Mediatek MT6735 (28 nm)
  • Qualcomm SM8250 Snapdragon 865 (7 nm+)
NFC
  • Super AMOLED
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for V2 Viper, Ace2.
SpecificationV2 ViperAce2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 60.9 cm2
  • 103.6 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 66.2%
  • 85.9%
PPI /points per inch/
  • 312 PPI
  • 402 PPI
Screen protection
  • Scratch-resistant glass
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for V2 Viper, Ace2.
SpecificationV2 ViperAce2
Rear camera, main
  • 8 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 8 MP
  • AF
  • 48 MP
  • f/1.7
  • 26mm (wide)
  • 1/2.0''
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0''
  • 1.12µm
  • AF -2 MP B/W
  • (depth) -2 MP
  • (depth)
Functions
  • Dual-LED flash
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 5 MP
  • 16 MP
  • f/2.4
  • 29mm (wide)
  • 1/3.1''
  • 1.0µm
Performance

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

Performance — specifications for V2 Viper, Ace2.
SpecificationV2 ViperAce2
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)
Graphics processor GPU
  • Mali-T720MP2
  • Adreno 650
Antutu 7 score *
  • 23685
Unknown
General specs
General specs — specifications for V2 Viper, Ace2.
SpecificationV2 ViperAce2
Release date
  • 2015
  • October
  • 2020
  • April 13
Colors
  • Blue
  • White
  • Aurora Silver
  • Moon Rock Grey
  • Fantasy Purple
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
  • 520 EUR
Battery life
  • Stand by time- Up to 200 h (3G) Talking time- Up to 9 h (3G)
Unknown
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for V2 Viper, Ace2.
SpecificationV2 ViperAce2
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 1900 / 2100-4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 20(800)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - China -5G - 5G band 1(2100)
  • 41(2500)
  • 78(3500)
  • 79(4700); SA/NSA - China
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi Direct
  • Wi-Fi 802.11 a/b/g/n/ac/ax
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 5.1
  • A2DP
  • LE
  • aptX HD
Harmful irradiation
  • SAR EU - 0.83 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for V2 Viper, Ace2.
SpecificationV2 ViperAce2
Radio
  • FM radio
Unknown
Others Unknown
  • 500 nits typ. brightness (advertised) -HDR10+ -90Hz refresh rate
Other features
Other features — specifications for V2 Viper, Ace2.
SpecificationV2 ViperAce2
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Acer Liquid Zest Z525 with 3G Acer Liquid Zest 4G Z528 with 3G/LTE
  • Infrared port - Fast battery charging (Pump Express 2.0+) - For metroPCS
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 65W
  • 100% in 30 min (advertised) -SuperVOOC 2.0 -Fast wireless charging 40W
  • 100% in 56 min (advertised) -Wireless reverse charging 10W