Oppo Realme U1 vs Xiaomi Redmi Note 9 Pro

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

    Realme U1: 41 g lighter

    Realme U1:
    168 g
    Redmi Note 9 Pro:
    209 g
  • Width

    Realme U1: 2.7 mm narrower

    Realme U1:
    74 mm
    Redmi Note 9 Pro:
    76.7 mm
  • Screen diagonal

    Realme U1: 0.37 in smaller diagonal

    Realme U1:
    6.3 in
    Redmi Note 9 Pro:
    6.67 in
  • Chipset

    Realme U1:
    Mediatek Helio P70 (12nm)
    Redmi Note 9 Pro:
    Qualcomm SM7125 Snapdragon 720G (8 nm)
  • Rear camera layout

    Realme U1:
    Dual
    Redmi Note 9 Pro:
    Quad
  • Depth

    Realme U1: 0.8 mm thinner

    Realme U1:
    8 mm
    Redmi Note 9 Pro:
    8.8 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. Realme U1

    Height:
    157 mm
    Width:
    74 mm
    Depth:
    8 mm
  2. 2. Redmi Note 9 Pro

    Height:
    165.8 mm +8.8 mm versus Realme U1
    Width:
    76.7 mm +2.7 mm versus Realme U1
    Depth:
    8.8 mm +0.8 mm versus Realme U1

Weight

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

  1. 1. Realme U1

    168 g

  2. 2. Redmi Note 9 Pro

    209 g

    +41 g versus Realme U1

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. Realme U1

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

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

Redmi Note 9 Pro has approximately 10.2% more rectangular screen area than Realme U1.

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 Realme U1, Redmi Note 9 Pro, compared at the same storage capacity.
StorageRealme U1Redmi Note 9 Pro
64 GB Unknown 4 GB RAM
128 GB Unknown 6 GB 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. Realme U1

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

2. Redmi Note 9 Pro

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (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. Realme U1

    3500 mAh

  2. 2. Redmi Note 9 Pro

    5020 mAh

    +1520 mAh versus Realme U1

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. Realme U12. Redmi Note 9 Pro

Everyday essentials
Everyday essentials — specifications for Realme U1, Redmi Note 9 Pro.
SpecificationRealme U1Redmi Note 9 Pro
Dimensions (HxWxD)
  • 157 Х 74 Х 8 mm
  • 165.8 Х 76.7 Х 8.8 mm
Weight
  • 168 g
  • 209 g
Technology
  • LTPS IPS LCD
  • IPS LCD
Screen size
  • 6.3" inch
  • 6.67" inch
Screen resolution
  • 1080 x 2340 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
  • 64GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Ion
  • 5020 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo); ColorOS 5.2
  • Android 10.0; MIUI 11
Chipset
  • Mediatek Helio P70 (12nm)
  • Qualcomm SM7125 Snapdragon 720G (8 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Realme U1, Redmi Note 9 Pro.
SpecificationRealme U1Redmi Note 9 Pro
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.4 cm2
  • 107.4 cm2
Screen format
  • 19.5:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 83.9%
  • 84.5%
PPI /points per inch/
  • 409 PPI
  • 395 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Realme U1, Redmi Note 9 Pro.
SpecificationRealme U1Redmi Note 9 Pro
Rear camera, main
  • 13 MP
  • Dual
  • 48 MP
  • Quad
Camera specs
  • 13 MP
  • f/2.2
  • AF -2 MP
  • f/2.4
  • depth sensor
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2.0"
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0"
  • 1.12µm -5 MP
  • f/2.4
  • (macro)
  • 1.12µm -2 MP
  • (depth)
Functions
  • HDR
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 25 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 25 MP
  • f/2.0
  • 1/2.8''
  • 0.9μm
  • 16 MP
  • f/2.5
  • (wide)
  • 1.0µm
Performance

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

Performance — specifications for Realme U1, Redmi Note 9 Pro.
SpecificationRealme U1Redmi Note 9 Pro
Processor CPU
  • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
  • Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)
Graphics processor GPU
  • Mali-G72 MP3
  • Adreno 618
Antutu 8 score * Unknown
  • 275962
General specs
General specs — specifications for Realme U1, Redmi Note 9 Pro.
SpecificationRealme U1Redmi Note 9 Pro
Release date
  • 2018
  • November
  • 2020
  • March 12
Colors
  • Ambitious Black
  • Brave Blue
  • Fiery Gold
  • Aurora Blue
  • Glacier white
  • Interstellar Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 EUR
  • 160 EUR
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Realme U1, Redmi Note 9 Pro.
SpecificationRealme U1Redmi Note 9 Pro
SIM card
  • Dual SIM (Nano-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 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A Cat6 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
  • NavIC
USB
  • microUSB 2.0
  • USB On-The-Go
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Realme U1, Redmi Note 9 Pro.
SpecificationRealme U1Redmi Note 9 Pro
Radio
  • FM radio
  • FM radio
  • recording
Others
  • Active noise cancellation with dedicated mic
  • 450 nits typ. brightness (advertised)
Other features
Other features — specifications for Realme U1, Redmi Note 9 Pro.
SpecificationRealme U1Redmi Note 9 Pro
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging 5V/2A 10W
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast charging 18W - Splash-proof