Celkon Win 400 vs Oppo Realme U1

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: 47.4 g lighter

    Win 400:
    120.6 g
    Realme U1:
    168 g
  • Width

    Win 400: 9 mm narrower

    Win 400:
    65 mm
    Realme U1:
    74 mm
  • Screen diagonal

    Win 400: 2.3 in smaller diagonal

    Win 400:
    4 in
    Realme U1:
    6.3 in
  • Chipset

    Win 400:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
    Realme U1:
    Mediatek Helio P70 (12nm)
  • Rear camera layout

    Win 400:
    Single
    Realme U1:
    Dual
  • Depth

    Realme U1: 2.3 mm thinner

    Win 400:
    10.3 mm
    Realme U1:
    8 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 +2.3 mm versus Realme U1
  2. 2. Realme U1

    Height:
    157 mm +31.6 mm versus Win 400
    Width:
    74 mm +9 mm versus Win 400
    Depth:
    8 mm

Weight

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

  1. 1. Win 400

    120.6 g

  2. 2. Realme U1

    168 g

    +47.4 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. Realme U1

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

Realme U1 has approximately 113.9% 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

Realme U1: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 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. Realme U1

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. Win 400

    1500 mAh

  2. 2. Realme U1

    3500 mAh

    +2000 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. Realme U1

Everyday essentials
Everyday essentials — specifications for Win 400, Realme U1.
SpecificationWin 400Realme U1
Dimensions (HxWxD)
  • 125.4 Х 65 Х 10.3 mm
  • 157 Х 74 Х 8 mm
Weight
  • 120.6 g
  • 168 g
Technology Unknown
  • LTPS IPS LCD
Screen size
  • 4" inch
  • 6.3" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Li-Ion
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 8.1
  • Android 8.1 (Oreo); ColorOS 5.2
Chipset
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Mediatek Helio P70 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Win 400, Realme U1.
SpecificationWin 400Realme U1
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 97.4 cm2
Screen format
  • 5:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 55.9%
  • 83.9%
PPI /points per inch/
  • 233 PPI
  • 409 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Win 400, Realme U1.
SpecificationWin 400Realme U1
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 5 MP
  • 13 MP
  • f/2.2
  • AF -2 MP
  • f/2.4
  • depth sensor
Functions
  • LED flash
  • HDR
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 25 MP
  • Single
Specifications
  • 1.3 MP
  • 25 MP
  • f/2.0
  • 1/2.8''
  • 0.9μm
Performance
Performance — specifications for Win 400, Realme U1.
SpecificationWin 400Realme U1
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 302
  • Mali-G72 MP3
General specs
General specs — specifications for Win 400, Realme U1.
SpecificationWin 400Realme U1
Release date
  • 2014
  • November
  • 2018
  • November
Colors
  • Black
  • Ambitious Black
  • Brave Blue
  • Fiery Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 140 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Win 400, Realme U1.
SpecificationWin 400Realme U1
SIM card
  • Dual 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
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A Cat6 300/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • 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
Music and Audio
Music and Audio — specifications for Win 400, Realme U1.
SpecificationWin 400Realme U1
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Win 400, Realme U1.
SpecificationWin 400Realme U1
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging 5V/2A 10W