Allview Impera S vs Oppo R15

Compare recorded specifications, size and practical differences.

+ Add a third phone

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.

  • Display technology

    OLED versus LCD

    Impera S:
    LCD
    R15:
    OLED
  • Weight

    Impera S: 18.8 g lighter

    Impera S:
    156.2 g
    R15:
    175 g
  • Width

    Impera S: 3.1 mm narrower

    Impera S:
    72.1 mm
    R15:
    75.2 mm
  • Screen diagonal

    Impera S: 0.78 in smaller diagonal

    Impera S:
    5.5 in
    R15:
    6.28 in
  • Chipset

    Impera S:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
    R15:
    Mediatek MT6771 Helio P60 (12 nm)
  • Rear camera layout

    Impera S:
    Single
    R15:
    Dual

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. Impera S

    Height:
    144.9 mm
    Width:
    72.1 mm
    Depth:
    8.8 mm +1.4 mm versus R15
  2. 2. R15

    Height:
    155.1 mm +10.2 mm versus Impera S
    Width:
    75.2 mm +3.1 mm versus Impera S
    Depth:
    7.4 mm

Weight

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

  1. 1. Impera S

    156.2 g

  2. 2. R15

    175 g

    +18.8 g versus Impera S

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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. Impera S

    Impera S: Screen geometry unavailable or conflicting.

  2. 2. R15

    Screen diagonal:
    6.28 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    98.4 cm²

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 Impera S, R15, compared at the same storage capacity.
StorageImpera SR15
8 GB 1 GB RAM Unknown
R15: Original memory entry

128 GB · 4/6 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. Impera S

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

2. R15

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. Impera S

    2000 mAh

  2. 2. R15

    3450 mAh

    +1450 mAh versus Impera S

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. Impera S2. R15

Everyday essentials
Everyday essentials — specifications for Impera S, R15.
SpecificationImpera SR15
Dimensions (HxWxD)
  • 144.9 Х 72.1 Х 8.8 mm
  • 155.1 Х 75.2 Х 7.4 mm
Weight
  • 156.2 g
  • 175 g
Technology
  • IPS LCD
  • AMOLED
Screen size
  • 5.5" inch
  • 6.28" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 2280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 128 GB
  • 4/6 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Removable Li-Ion
  • 3450 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Phone 8.1
  • Android 8.1 (Oreo); ColorOS 5
Chipset
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Mediatek MT6771 Helio P60 (12 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Impera S, R15.
SpecificationImpera SR15
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 98.9 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 66.0%
  • 84.8%
PPI /points per inch/
  • 294 PPI
  • 401 PPI
Screen protection
  • Scratch-resistant glass
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Impera S, R15.
SpecificationImpera SR15
Rear camera, main
  • 8 MP
  • Single
  • 16 MP
  • Dual
Camera specs
  • 8 MP
  • AF
  • 16 MP
  • f/1.7
  • 1/2.6''
  • 1.22µm
  • PDAF -5 MP
  • f/2.2
  • depth sensor
Functions
  • Dual-LED flash
  • panorama
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 2 MP
  • 20 MP
  • f/2.0
Performance

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

Performance — specifications for Impera S, R15.
SpecificationImpera SR15
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 302
  • Mali-G72 MP3
Antutu 7 score * Unknown
  • 140520
GeekBench 4 Single Core * Unknown
  • 1928
GeekBench 4 Multi-Core * Unknown
  • 4904
General specs
General specs — specifications for Impera S, R15.
SpecificationImpera SR15
Release date
  • 2014
  • June
  • 2018
  • March
Colors
  • Black
  • Hot Red
  • Snow White
  • Star Purple
  • Fantasy Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 170 EUR
  • 460 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 8 h 20 min
Unknown
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for Impera S, R15.
SpecificationImpera SR15
SIM card
  • Dual SIM (dual stand-by)
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE band 1(2100)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat13 600/100 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.2
  • A2DP
  • LE
  • EDR
Music and Audio
Music and Audio — specifications for Impera S, R15.
SpecificationImpera SR15
Radio
  • FM radio
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Impera S, R15.
SpecificationImpera SR15
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: VOOC Flash Charge 5V/4A