Xiaomi Redmi 9 vs Xiaomi Redmi Note 15 4G

42 out 100

VS

64 out 100

Compared 2 smartphones : Xiaomi Redmi 9 Manufactured in July, 2020, with display 6.53 with chipsetMediaTek Helio G80, vs Xiaomi Redmi Note 15 4G, Manufactured in December, 2025 with chipsetMediaTek Helio G100 Ultra. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages

Reasons to choose Xiaomi Redmi 9

Higher pixel density: 395ppi
Infrared port
Includes charger

Reasons to choose Xiaomi Redmi Note 15 4G

Larger display: 6.77in
Higher refresh rate: 120Hz
Lighter design: 183.7g vs 198g
Higher battery capacity: 6000mAh vs 5020mAh
Newer Bluetooth version: 5.3 vs 5

Versions

Available versions and configurations

Memory Options

- 3/32 GB
- 4/64 GB
- 4/128 GB
- 6/128 GB

- 6/128 GB
- 8/128 GB
- 8/256 GB
- 8/512 GB

Review

Key Specs Xiaomi Redmi 9 and Xiaomi Redmi Note 15 4G

Display

Color accuracy, sharpness & brightness

Xiaomi Redmi 9

46

Xiaomi Redmi Note 15 4G

85

Camera

Main & front camera tests

Xiaomi Redmi 9

39

Xiaomi Redmi Note 15 4G

66

Performance

App & system performance

Xiaomi Redmi 9

23

Xiaomi Redmi Note 15 4G

32

Games

3D gaming performance

Xiaomi Redmi 9

18

Xiaomi Redmi Note 15 4G

20

Battery

Battery life, charging speed & type

Xiaomi Redmi 9

67

Xiaomi Redmi Note 15 4G

87

Connectivity

Connectivity features

Xiaomi Redmi 9

59

Xiaomi Redmi Note 15 4G

68

NanoReview Score

Overall score by NanoReview

Xiaomi Redmi 9

42

Xiaomi Redmi Note 15 4G

64

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Function

Importance (Weight)

Display:

Camera:

Performance:

Gaming:

Battery:

Connectivity:

Higher weight means greater impact on NanoReview score.

Display

Display quality comparison

Type	IPS LCD	AMOLED
Size	6.53 in	6.77 in
Resolution	1080x2340 pixels	1080x2340 pixels
Aspect ratio	19.5:9	n/a
Pixel density	395 ppi	388 ppi
Refresh rate	60 Hz	120 Hz
Adaptive refresh rate	No	Yes (60-120 Hz)
Max brightness	400 nits	n/a
HDR support	No	No
Screen-to-body ratio	83.2 %	89.7 %
Features	n/a	DCI-P3

Peak brightness (auto)

Xiaomi Redmi 9

423 nits

Xiaomi Redmi Note 15 4G

n/a

sRGB gamut	93 %	n/a
PWM (Flicker)	500 Hz	n/a
Response time	35 ms	n/a
Contrast	710:1	n/a

Sources: NotebookCheck [Xiaomi Redmi 9]

Design & Build

Design and ergonomics comparison

Height	163.3 mm (6.43 in)	164 mm (6.46 in)
Width	77 mm (3.03 in)	75.4 mm (2.97 in)
Thickness	9.1 mm (0.36 in)	7.4 mm (0.29 in)
Weight	198 g (6.98 oz)	183.7 g (6.48 oz)
Water resistance	No	IP64
Back panel	Plastic	Plastic
Frame	Plastic	Plastic
Colors	- Gray - Green - Purple	- Black - Blue - Green - Purple
Fingerprint sensor	Yes rear	Yes, In-Display

Screen-to-body ratio

Xiaomi Redmi 9

83.2 %

Xiaomi Redmi Note 15 4G

89.7 %

Performance

Testing Xiaomi Redmi 9 and Xiaomi Redmi Note 15 4G In benchmarks

Chipset	MediaTek Helio G80	MediaTek Helio G100 Ultra
Max Frequency	2000 MHz	2200 MHz
CPU Cores	8 (2 + 6)	8 (2 + 6)
Architecture	- 6/1.8 (Cortex-A55) - 2/2 (Cortex-A75)	- 6/2 (Cortex-A55) - 2/2.2 (Cortex-A76)
Process	TSMC	TSMC
Transistor Size	12 nm	6 nm
Neural Processor	Yes	Yes
Graphics	Mali-G52 MP2	Mali-G57 MP2
GPU Cores	48	64
GPU Frequency	950 MHz	1000 MHz
FLOPS	91.2 GFLOPS	128 GFLOPS

Geekbench 6 (Single-Core)

Xiaomi Redmi 9

514

Xiaomi Redmi Note 15 4G

730

Geekbench 6 (Multi-Core)

Xiaomi Redmi 9

1559

Xiaomi Redmi Note 15 4G

2025

Geekbench 6 (Single-Core)	514	730
Geekbench 6 (Multi-Core)	1559	2025

AnTuTu 10

Xiaomi Redmi 9

263655

Xiaomi Redmi Note 15 4G

437184

CPU	93634	132724
GPU	38883	72238
Memory	62983	109980
UX	68155	122242
NanoReview Score	263655	437184

3DMark Wild Life

Xiaomi Redmi 9

664

Xiaomi Redmi Note 15 4G

n/a

Max Surface Temp.	47 °C	n/a
Stability	98 %	n/a
Graphics Test	3 fps	n/a
Graphics Score	664	n/a

Sources: 3DMark [Xiaomi Redmi 9]

PCMark 3.0

Xiaomi Redmi 9

8330

Xiaomi Redmi Note 15 4G

n/a

Writing score	9134	n/a
Web score	7371	n/a
Video editing	5562	n/a
Data manipulation	6064	n/a
NanoReview Score	8330	n/a

Memory

RAM Size	- 3 GB - 4 GB - 6 GB	6 GB
Memory Type	LPDDR4X	LPDDR4X
Memory Frequency	1866 MHz	2133 MHz
Channels	2	2

Storage Capacity	- 32 GB - 64 GB - 128 GB	128 GB
Storage Type	eMMC 5.1	UFS 2.2
Memory Card	MicroSD	No

Software

OS	Android 10 (Upgradeable to Android 12)	Android 15
OS Size	13 GB	n/a
UI Skin	MIUI 13	HyperOS 2.0

Battery

Volume	5020 mAh	6000 mAh
Max Charging Power	18 W	33 W
Battery Type	Li-Po	Silicon Carbon (Si/C)
Removable	No	No
Wireless Charging	No	No
Reverse Charging	No	Yes
Fast Charging	Yes (50% in 80 min)	Yes
Full Charge Time	3:05 h	n/a

Battery Life

Xiaomi Redmi 9

22:51

Xiaomi Redmi Note 15 4G

n/a

Web Browsing	08:45 h	n/a
Video Playback	13:56 h	n/a
Games	05:30 h	n/a
Standby Mode	113 h	n/a

Main camera

Matrix	13 MP	108 MP
Photo resolution	4128x3096 pixels	n/a
Zoom	Digital	Digital
Flash	LED	LED
Stabilization	Digital	Digital
8K Recording	No	No
4K Recording	No	No
1080p Recording	Yes (Up to 30 fps)	Yes (Up to 30 fps)
Slow Motion	120 fps (720p)	n/a
Wide-angle lens	118 °	n/a
Lenses count	Standard: 13 MP Ultra-wide: 8 MP Macro: 5 MP Depth: 2 MP	Standard: 108 MP Depth: 2 MP
Features	- Bokeh effect - Pro mode	- Bokeh effect - Pro mode

Matrix	13 MP	108 MP
Aperture	f/2.2	f/1.7
Focal length	28 mm	24 mm
Sensor	Omnivision OV13B10	n/a
Sensor size	1/3.1	1/1.67 (0.6)
Pixel size	1.12 μm	0.64 μm
Autofocus	Phase autofocus	Phase autofocus
Stabilization	Digital	Digital

Matrix	8 MP	n/a
Aperture	f/2.2	n/a
Focal length	13 mm	n/a
Sensor	OmniVision OV8856	n/a
Sensor size	1/4.0	n/a
Pixel size	1.12 μm	n/a
Stabilization	Digital	n/a

Front camera

Matrix	8 MP	20 MP
Photo resolution	3264x2448 pixels	n/a
Aperture	f/2.0	f/2.2
Focal length	27 mm	n/a
Sensor	CMOS	Omnivision OV02F
Sensor size	1/4.0	1/5 (0.2)
Pixel size	n/a	1.75 μm
Autofocus	No	No
Stabilization	Digital	Digital
Video resolution	1080p (Full HD) at 30 fps	1080p (Full HD) at 30 fps
TOF 3D sensor	No	No

Connectivity

Wi-Fi version	Wi-Fi 5 (802.11 a/b/g/n/ac)	Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features	- Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display	- Dual Band - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display
Bluetooth version	5	5.3
Bluetooth features	LE, HID, A2DP	LE
USB type	USB Type-C	USB Type-C
USB version	2	2
USB features	- Charging - USB Storage Mode - OTG	- Charging - USB Storage Mode - OTG
DisplayPort	n/a	No
GPS	- GPS - GLONASS - Beidou - Galileo	- GPS - GLONASS - Beidou - Galileo - QZSS
NFC*	Yes	Varies by region
Infrared Port	Yes	No

SIM Count*	2	2
SIM Type	Nano	Nano
SIM Mode	Dual SIM Standby	Dual SIM Standby
eSIM Support *	No	No
Hybrid Slot	No	No
2G Bands	GSM B2/3/5/8	n/a
3G Bands	HSDPA B1/2/4/5/8	n/a
LTE Bands*	LTE (B1/B2/B3/B4/B5/B7/B8/B20/B28)	n/a
LTE category	7	n/a
5G Support	No	No

Sound

Speakers	Mono	n/a
3.5 mm Jack	Yes	No
FM Radio	Yes	Yes
Dolby Atmos	No	n/a

Max Volume

Xiaomi Redmi 9

83.7 dB

Xiaomi Redmi Note 15 4G

n/a

Other

Class	Budget	Mid-range
Announced	June, 2020 yr	December, 2025 yr
Release Date	July, 2020 yr	December, 2025 yr
Launch Price ($)	130	n/a
Sensors	- Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor	- Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor
Charger Included	Yes 10 W	n/a

Results

After analyzing the data, we consider Xiaomi Redmi Note 15 4G the clear winner in this comparison.

Survey

Which smartphone would you pick?

Xiaomi Redmi 9

0 (0%)

Xiaomi Redmi Note 15 4G

0 (0%)

Total Votes: 0

Xiaomi Redmi 9 vs Xiaomi Redmi Note 15 4G

Key Differences

Versions

Review

Tests & specs

Display

Design & Build

Performance

Memory

Software

Battery

Main camera

Front camera

Connectivity

Sound

Other

Results

Survey

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