Celkon Win 400 vs Oppo R15

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

    Win 400: 54.4 g lighter

    Win 400:
    120.6 g
    R15:
    175 g
  • Width

    Win 400: 10.2 mm narrower

    Win 400:
    65 mm
    R15:
    75.2 mm
  • Screen diagonal

    Win 400: 2.28 in smaller diagonal

    Win 400:
    4 in
    R15:
    6.28 in
  • Chipset

    Win 400:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
    R15:
    Mediatek MT6771 Helio P60 (12 nm)
  • Rear camera layout

    Win 400:
    Single
    R15:
    Dual
  • Depth

    R15: 2.9 mm thinner

    Win 400:
    10.3 mm
    R15:
    7.4 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. Win 400

    Height:
    125.4 mm
    Width:
    65 mm
    Depth:
    10.3 mm +2.9 mm versus R15
  2. 2. R15

    Height:
    155.1 mm +29.7 mm versus Win 400
    Width:
    75.2 mm +10.2 mm versus Win 400
    Depth:
    7.4 mm

Weight

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

  1. 1. Win 400

    120.6 g

  2. 2. R15

    175 g

    +54.4 g versus Win 400

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. Win 400

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. R15

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

R15 has approximately 116.2% more rectangular screen area than Win 400.

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.

Win 400: Original memory entry

4 GB · 512 MB RAM

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. Win 400

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

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. Win 400

    1500 mAh

  2. 2. R15

    3450 mAh

    +1950 mAh versus Win 400

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. Win 4002. R15

Everyday essentials
Everyday essentials — specifications for Win 400, R15.
SpecificationWin 400R15
Dimensions (HxWxD)
  • 125.4 Х 65 Х 10.3 mm
  • 155.1 Х 75.2 Х 7.4 mm
Weight
  • 120.6 g
  • 175 g
Technology Unknown
  • AMOLED
Screen size
  • 4" inch
  • 6.28" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 2280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 128 GB
  • 4/6 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • 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)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Win 400, R15.
SpecificationWin 400R15
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 98.9 cm2
Screen format
  • 5:3 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 55.9%
  • 84.8%
PPI /points per inch/
  • 233 PPI
  • 401 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Win 400, R15.
SpecificationWin 400R15
Rear camera, main
  • 5 MP
  • Single
  • 16 MP
  • Dual
Camera specs
  • 5 MP
  • 16 MP
  • f/1.7
  • 1/2.6''
  • 1.22µm
  • PDAF -5 MP
  • f/2.2
  • depth sensor
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 1.3 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 Win 400, R15.
SpecificationWin 400R15
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 Win 400, R15.
SpecificationWin 400R15
Release date
  • 2014
  • November
  • 2018
  • March
Colors
  • Black
  • Hot Red
  • Snow White
  • Star Purple
  • Fantasy Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 460 EUR
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for Win 400, R15.
SpecificationWin 400R15
SIM card
  • Dual SIM (dual stand-by)
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • 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 21.1/5.76 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
  • 4.2
  • A2DP
  • LE
  • EDR
Music and Audio
Music and Audio — specifications for Win 400, R15.
SpecificationWin 400R15
Radio
  • FM radio
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Win 400, R15.
SpecificationWin 400R15
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: VOOC Flash Charge 5V/4A