Xiaomi Redmi Note 9S vs Yezz Billy 4.7: specs comparison

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 9S:

209 g

Billy 4.7:

120 g
Width

Billy 4.7: 9.5 mm narrower

Redmi Note 9S:

76.7 mm

Billy 4.7:

67.2 mm
Screen diagonal

Billy 4.7: 1.97 in smaller diagonal

Redmi Note 9S:

6.67 in

Billy 4.7:

4.7 in
Chipset

Redmi Note 9S:

Qualcomm SM7125 Snapdragon 720G (8 nm)

Billy 4.7:

Qualcomm MSM8212 Snapdragon 200 (28 nm)
Rear camera layout

Redmi Note 9S:

Quad

Billy 4.7:

Single
Depth

Billy 4.7: 1.6 mm thinner

Redmi Note 9S:

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. Redmi Note 9S

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. 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. Redmi Note 9S

209 g

+89 g versus Billy 4.7
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. Redmi Note 9S

Screen diagonal:

6.67 in

Aspect ratio (height:width):

20:9

Approximate rectangular screen area:

107.4 cm²
2. Billy 4.7

Screen diagonal:

4.7 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

60.9 cm²

Redmi Note 9S 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 9S, Billy 4.7, compared at the same storage capacity.
Storage	Redmi Note 9S	Billy 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 9S

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. Redmi Note 9S

5020 mAh

+3240 mAh versus Billy 4.7
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 9S2. Billy 4.7

Everyday essentials

Everyday essentials — specifications for Redmi Note 9S, Billy 4.7.
Specification	Redmi Note 9S	Billy 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 9S, Billy 4.7.
Specification	Redmi Note 9S	Billy 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 9S, Billy 4.7.
Specification	Redmi Note 9S	Billy 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

Performance — specifications for Redmi Note 9S, Billy 4.7.
Specification	Redmi Note 9S	Billy 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

General specs

General specs — specifications for Redmi Note 9S, Billy 4.7.
Specification	Redmi Note 9S	Billy 4.7
Release date	2020 March 23	2014 May
Colors	Aurora Blue Glacier white Interstellar Gray	White Red Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	$ 199	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 9S, Billy 4.7.
Specification	Redmi Note 9S	Billy 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 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100) 2(1900) 3(1800) 4(1700/2100) 5(850) 7(2600) 8(900) 20(800) 28(700) 38(2600) 40(2300)	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	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 9S, Billy 4.7.
Specification	Redmi Note 9S	Billy 4.7
Radio	FM radio recording	Stereo FM radio
Others	450 nits typ. brightness (advertised)	Unknown

Other features

Other features — specifications for Redmi Note 9S, Billy 4.7.
Specification	Redmi Note 9S	Billy 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

Xiaomi Redmi Note 9S vs Yezz Billy 4.7