Xiaomi Redmi Note 9S vs Xiaomi Redmi 7A

Compared 2 smartphones : Xiaomi Redmi Note 9S Manufactured in April, 2020, with display 6.67 with chipsetQualcomm Snapdragon 720G, vs Xiaomi Redmi 7A, Manufactured in June, 2019with chipsetQualcomm Snapdragon 439. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Redmi Note 9S
  • Larger display: 6.67in
  • Higher pixel density: 395ppi
  • Higher battery capacity: 5020mAh vs 4000mAh
  • Newer Bluetooth version: 5 vs 4.2
  • Infrared port
  • Fingerprint scanner
Reasons to choose Xiaomi Redmi 7A
  • Lighter design: 165g vs 210g

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 4/128 GB
- 6/64 GB
- 6/128 GB
- 2/16 GB
- 2/32 GB
- 3/32 GB

Review

Key Specs Xiaomi Redmi Note 9S and Xiaomi Redmi 7A
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison

Display

Display quality comparison
Type IPS LCD IPS LCD
Size 6.67 in 5.45 in
Resolution 1080x2400 pixels 720x1440 pixels
Aspect ratio 20:9 18:9
Pixel density 395 ppi 295 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 628 nits 530 nits
HDR support Yes HDR10 No
Screen-to-body ratio 84 % 74.4 %
Display test
Peak brightness (auto)
Xiaomi Redmi Note 9S
571 nits
Xiaomi Redmi 7A
506 nits
sRGB gamut114.9 %94.2 %
PWM (Flicker)n/a384 Hz
Response time34 ms27 ms
Contrast1111:1888:1

Design & Build

Design and ergonomics comparison
Height 166 mm (6.54 in) 146.3 mm (5.76 in)
Width 77 mm (3.03 in) 70.4 mm (2.77 in)
Thickness 8.8 mm (0.35 in) 9.5 mm (0.37 in)
Weight 210 g (7.41 oz) 165 g (5.82 oz)
Water resistance No IPX4
Back panel Glass Plastic
Frame Plastic Plastic
Colors - White
- Black
- Blue
- Black
- Blue
- Red
Fingerprint sensor Yes In-Button No
Screen-to-body ratio
Xiaomi Redmi Note 9S
84 %
Xiaomi Redmi 7A
74.4 %

Performance

Testing Xiaomi Redmi Note 9S and Xiaomi Redmi 7A In benchmarks
Processor
Chipset Qualcomm Snapdragon 720G Qualcomm Snapdragon 439
Max Frequency 2300 MHz 2000 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/1.8 (Kryo 465 Silver (Cortex-A55))
- 2/2.3 (Kryo 465 Gold (Cortex-A76))
- 4/1.45 (Cortex-A53)
- 4/2 (Cortex-A53)
Process Samsung Samsung
Transistor Size 8 nm 12 nm
Neural Processor Hexagon 692 Hexagon 536
Graphics Adreno 618 Adreno 505
GPU Cores 256 48
GPU Frequency 750 MHz 450 MHz
FLOPS 384 GFLOPS 43.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi Note 9S
722
Xiaomi Redmi 7A
477
Geekbench 6 (Multi-Core)
Xiaomi Redmi Note 9S
1880
Xiaomi Redmi 7A
1521
Geekbench 6 (Single-Core)722477
Geekbench 6 (Multi-Core)18801521
AnTuTu 10
AnTuTu 10
Xiaomi Redmi Note 9S
387217
Xiaomi Redmi 7A
118018
CPU13098837665
GPU9009114471
Memory7261526778
UX9352339104
NanoReview Score387217118018
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi Note 9S
1041
Xiaomi Redmi 7A
n/a
Max Surface Temp.42.4 °Cn/a
Stability98 %n/a
Graphics Test6 fpsn/a
Graphics Score1041n/a
PCMark 3.0
PCMark 3.0
Xiaomi Redmi Note 9S
8091
Xiaomi Redmi 7A
n/a
Writing score9663n/a
Web score5943n/a
Video editing5437n/a
Data manipulation6802n/a
NanoReview Score8091n/a

Memory

RAM
RAM Size - 4 GB
- 6 GB
2 GB
Memory Type LPDDR4X LPDDR3
Memory Frequency 2133 MHz 933 MHz
Channels 2 1
Storage
Storage Capacity- 64 GB
- 128 GB
- 16 GB
- 32 GB
Storage TypeUFS 2.1eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 10.0 (Upgradeable to Android 12) Android 9.0 (Upgradeable to Android 10)
OS Size 18 GB 6.4 GB
UI Skin MIUI 14 MIUI 12

Battery

Volume 5020 mAh 4000 mAh
Max Charging Power 18 W n/a
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (50% in 50 min) No
Full Charge Time 2:30 h 2:35 h
Battery Life Test
Battery Life
Xiaomi Redmi Note 9S
26:58
Xiaomi Redmi 7A
17:13
Web Browsing10:56 h06:26 h
Video Playback15:15 h09:44 h
Games05:45 h04:10 h
Standby Mode136 h90 h

Main camera

Matrix 48 MP 12 MP
Photo resolution 8000x6000 pixels 4128x3096 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) No
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 960 fps (720p) No
Wide-angle lens 119 ° n/a
Lenses count Standard: 48 MP
Ultra-wide: 8 MP
Macro: 5 MP
Depth: 2 MP
Standard: 12 MP
Features - Bokeh effect
- Pro mode
Main lens
Matrix48 MP12 MP
Aperturef/1.8f/2.2
Focal length26 mmn/a
SensorSamsung S5KGM2Sony IMX486
Sensor size1/21/2.9
Pixel size0.8 μm1.12 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix8 MPn/a
Aperturef/2.2n/a
Focal length13 mmn/a
SensorOmnivision OV8856n/a
Sensor size1/4.0n/a
Pixel size1.12 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 16 MP 5 MP
Photo resolution 4920x3264 pixels 2592x1944 pixels
Aperture f/2.5 f/2.2
Sensor Omnivision OV16A1Q GalaxyCore
Sensor size 1/3.06 1/5
Pixel size 1 μm 1.12 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 4 (802.11 a/b/g/n)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 4.2
Bluetooth features LE, HID, A2DP LE, A2DP
USB type USB Type-C Micro USB
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- USB-Host mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo
- NAVIC
- GPS
- GLONASS
- Beidou
NFC* No No
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850 / 900 / 1800 / 2100 / 2600 / 2300 / 2500GSM 850, GSM 900, GSM 1800, GSM 1900
3G BandsHSDPA 850 / 900 / 1900 / 2100HSDPA 900, HSDPA 2100
LTE Bands*LTE (B850/B900/B1800/B2100/B2300/B2500/B2600)LTE (B800/B900/B1800/B1900/B2300/B2500/B2600)
LTE category124
5G SupportNoNo

Sound

Speakers Mono Mono
3.5 mm Jack Yes Yes
FM Radio Yes Yes
Dolby Atmos No No
Speaker Test
Max Volume
Xiaomi Redmi Note 9S
81 dB
Xiaomi Redmi 7A
82 dB

Other

Class Mid-range Budget
Announced March, 2020 yr May, 2019 yr
Release Date April, 2020 yr June, 2019 yr
Launch Price ($) 200 85
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi Redmi Note 9S the clear winner in this comparison.

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