Xiaomi Redmi Note 9 Pro vs Yezz Billy 4.7

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.

  • Weight

    Billy 4.7: 89 g lighter

    Redmi Note 9 Pro:
    209 g
    Billy 4.7:
    120 g
  • Width

    Billy 4.7: 9.5 mm narrower

    Redmi Note 9 Pro:
    76.7 mm
    Billy 4.7:
    67.2 mm
  • Screen diagonal

    Billy 4.7: 1.97 in smaller diagonal

    Redmi Note 9 Pro:
    6.67 in
    Billy 4.7:
    4.7 in
  • Chipset

    Redmi Note 9 Pro:
    Qualcomm SM7125 Snapdragon 720G (8 nm)
    Billy 4.7:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Rear camera layout

    Redmi Note 9 Pro:
    Quad
    Billy 4.7:
    Single
  • Depth

    Billy 4.7: 1.6 mm thinner

    Redmi Note 9 Pro:
    8.8 mm
    Billy 4.7:
    7.2 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. Redmi Note 9 Pro

    Height:
    165.8 mm +30 mm versus Billy 4.7
    Width:
    76.7 mm +9.5 mm versus Billy 4.7
    Depth:
    8.8 mm +1.6 mm versus Billy 4.7
  2. 2. Billy 4.7

    Height:
    135.8 mm
    Width:
    67.2 mm
    Depth:
    7.2 mm

Weight

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

  1. 1. Redmi Note 9 Pro

    209 g

    +89 g versus Billy 4.7

  2. 2. Billy 4.7

    120 g

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. Redmi Note 9 Pro

    Screen diagonal:
    6.67 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    107.4 cm²
  2. 2. Billy 4.7

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

Redmi Note 9 Pro has approximately 76.4% more rectangular screen area than Billy 4.7.

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 Redmi Note 9 Pro, Billy 4.7, compared at the same storage capacity.
StorageRedmi Note 9 ProBilly 4.7
8 GB Not recorded 1 GB RAM
64 GB 4 GB RAM Not recorded
128 GB 6 GB RAM Not recorded

Practical features

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

1. Redmi Note 9 Pro

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (dedicated slot)

2. Billy 4.7

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

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. Redmi Note 9 Pro

    5020 mAh

    +3240 mAh versus Billy 4.7

  2. 2. Billy 4.7

    1780 mAh

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. Redmi Note 9 Pro2. Billy 4.7

Everyday essentials
Everyday essentials — specifications for Redmi Note 9 Pro, Billy 4.7.
SpecificationRedmi Note 9 ProBilly 4.7
Dimensions (HxWxD)
  • 165.8 Х 76.7 Х 8.8 mm
  • 135.8 Х 67.2 Х 7.2 mm
Weight
  • 209 g
  • 120 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.67" inch
  • 4.7" inch
Screen resolution
  • 1080 x 2400 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64GB 4GB RAM
  • 128GB 6GB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSDXC (dedicated slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 5020 mAh
  • Non-removable Li-Po
  • 1780 mAh
  • Removable Li-Ion
Operating system OS
  • Android 10.0; MIUI 11
  • Microsoft Windows Phone 8.1
Chipset
  • Qualcomm SM7125 Snapdragon 720G (8 nm)
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Redmi Note 9 Pro, Billy 4.7.
SpecificationRedmi Note 9 ProBilly 4.7
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 107.4 cm2
  • 60.9 cm2
Screen format
  • 20:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 84.5%
  • 66.7%
PPI /points per inch/
  • 395 PPI
  • 312 PPI
Screen protection
  • Corning Gorilla Glass 5
  • Asahi Dragontrail Glass
Camera and Video
Camera and Video — specifications for Redmi Note 9 Pro, Billy 4.7.
SpecificationRedmi Note 9 ProBilly 4.7
Rear camera, main
  • 48 MP
  • Quad
  • 8 MP
  • Single
Camera specs
  • 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)
  • 8 MP
  • AF
Functions
  • HDR
  • panorama
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 16 MP
  • f/2.5
  • (wide)
  • 1.0µm
  • 2 MP
Performance

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

Performance — specifications for Redmi Note 9 Pro, Billy 4.7.
SpecificationRedmi Note 9 ProBilly 4.7
Processor CPU
  • Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 618
  • Adreno 302
Antutu 8 score *
  • 275962
Unknown
General specs
General specs — specifications for Redmi Note 9 Pro, Billy 4.7.
SpecificationRedmi Note 9 ProBilly 4.7
Release date
  • 2020
  • March 12
  • 2014
  • May
Colors
  • Aurora Blue
  • Glacier white
  • Interstellar Black
  • White
  • Red
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 480 h (2G) / Up to 350 h (3G) Talking time- Up to 16 h (2G) / Up to 7 h 30 min (3G)
Body build
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • plastic frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Redmi Note 9 Pro, Billy 4.7.
SpecificationRedmi Note 9 ProBilly 4.7
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Micro-SIM)
Network
  • 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)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A
  • HSPA 42.2/5.76 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
  • NavIC
  • Yes
  • with A-GPS
  • GLONASS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Redmi Note 9 Pro, Billy 4.7.
SpecificationRedmi Note 9 ProBilly 4.7
Radio
  • FM radio
  • recording
  • Stereo FM radio
Others
  • 450 nits typ. brightness (advertised)
Unknown
Other features
Other features — specifications for Redmi Note 9 Pro, Billy 4.7.
SpecificationRedmi Note 9 ProBilly 4.7
Dop
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast charging 18W - Splash-proof
  • Sensors Accelerometer
  • proximity
  • compass - Single SIM: CWP 47 Dual SIM: WP 47