Xiaomi Redmi Note 9 vs Redmi 7A

Here we compared two smartphones: the 6.53-inch Xiaomi Redmi Note 9 (with MediaTek Helio G85) that was released on April 30, 2020, against the Xiaomi Redmi 7A, which is powered by Qualcomm Snapdragon 439 and came out 11 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the gadgets.

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Xiaomi Redmi Note 9
  • 2.3x better performance in AnTuTu Benchmark (240K versus 105K)
  • Has a 1.08 inches larger screen size
  • Comes with 1020 mAh larger battery capacity: 5020 vs 4000 mAh
  • Modern USB Type-C port
  • Compatible with Wi-Fi 5 wireless networks
  • Newer Bluetooth version (v5)
  • Supports 18W fast charging
  • Thinner bezels – 9.1% more screen real estate
  • Uses a faster type of memory: LPDDR4X 2133 MHz
  • Fingerprint scanner
  • Has an ultra-wide angle camera lens
  • More recent OS version: Android 11 versus 10
Reasons to consider the Xiaomi Redmi 7A
  • Water-resistant body (IPX4 classification)
  • Delivers 9% higher maximum brightness (510 against 467 nits)
  • Weighs 34 grams less
  • Better grip in hands – the body is 6.8 mm narrower
We may receive a commission from Amazon for purchases made using the links below, but this has no bearing on our assessment methodology.

Review

Display
Screen quality, color accuracy, brightness
Performance
CPU/GPU performance in apps and games
Battery
Battery life, charging type and speed
Camera
Photo and video recording quality
Connectivity
Networks, ports, data transmission
NanoReview score
Final comparison evaluation

Value for money

You can enter your local price of these phones (in USD or any other currency) and click on the "Calculate" button to see which one has a better value for money.
Price

Tests and specifications

Comparison table of technical specifications and tests

Display

Type IPS LCD IPS LCD
Size 6.53 inches 5.45 inches
Resolution 1080 x 2340 pixels 720 x 1440 pixels
Aspect ratio 19.5:9 18:9
PPI 395 ppi 295 ppi
Refresh rate 60 Hz 60 Hz
HDR support No No
Screen protection Corning Gorilla Glass 5 Tempered glass
Screen-to-body ratio 83.5% 74.4%
Display tests
RGB color space 97.7% 94.2%
PWM Not detected 384 Hz
Response time 32.2 ms 27 ms
Contrast 4608:1 888:1
Max. Brightness
467 nits
Redmi 7A +9%
510 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 162.3 mm (6.39 inches) 146.3 mm (5.76 inches)
Width 77.2 mm (3.04 inches) 70.4 mm (2.77 inches)
Thickness 8.9 mm (0.35 inches) 9.5 mm (0.37 inches)
Weight 199 gramm (7.02 oz) 165 gramm (5.82 oz)
Waterproof No IPX4
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors White, Gray, Green Black, Blue, Red
Fingerprint scanner Yes, rear No
Screen-to-body ratio
83.5%
74.4%

Performance

Tests of Xiaomi Redmi Note 9 and Xiaomi Redmi 7A in the benchmarks
SoC
Chipset MediaTek Helio G85 Qualcomm Snapdragon 439
Max. clock 2000 MHz 2000 MHz
CPU cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6 cores at 1.8 GHz: Cortex-A55
- 2 cores at 2 GHz: Cortex-A75
- 4 cores at 1.45 GHz: Cortex-A53
- 4 cores at 2 GHz: Cortex-A53
Lithography process 12 nanometers 12 nanometers
Graphics Mali-G52 MP2 Adreno 505
GPU clock 1000 MHz 450 MHz
FLOPS ~54 GFLOPS ~48 GFLOPS
Memory
RAM size 3, 4 GB 2 GB
Memory type LPDDR4X LPDDR3
Memory clock 2133 MHz 933 MHz
Channels 2 1
Storage
Storage size 64, 128 GB 16, 32 GB
Storage type eMMC 5.1 eMMC 5.1
Memory card MicroSD MicroSD
Memory card max. size Up to 512 GB Up to 512 GB

Benchmarks

Geekbench 5 (Single-Core)
Redmi Note 9 +106%
372
181
Geekbench 5 (Multi-Core)
1316
825
AnTuTu Benchmark 9
Redmi Note 9 +127%
240532
105770
CPU 71572 43399
GPU 52629 10392
Memory 40859 29398
UX 74855 21938
Total score 240532 105770

Software

Operating system Android 10 (Can be upgraded to Android 11) Android 9.0 (Can be upgraded to Android 10)
ROM MIUI 12.5 Enhanced Edition MIUI 12
OS size 16.5 GB 6.4 GB

Battery

Specifications
Capacity 5020 mAh 4000 mAh
Charge power 18 W -
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No No
Reverse charging Yes No
Fast charging Yes (50% in 40 min) No
Full charging time 1:30 hr 2:35 hr

Battery life tests

Web browsing (Wi-Fi)
18:00 hr
n/a
Watching videos (Player)
18:09 hr
n/a
Talk (3G)
34:52 hr
n/a

Camera

Specs and camera test of smartphones
Main camera
Matrix 48 megapixels 12 megapixels
Image resolution 8000 x 6000 4128 x 3096
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K video recording No No
4K video recording No No
1080p video recording Up to 30FPS Up to 30FPS
Slow motion 120 FPS (720p) No
Angle of widest lens 118° -
Lenses 4 (48 MP + 8 MP + 2 MP + 2 MP) 1 (12 MP)
Wide (main) lens - 48 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/2.0", Samsung S5KGM1 (ISOCELL Plus CMOS)
- Phase autofocus
- 12 MP
- Aperture: f/2.2
- Pixel size: 1.12 micron
- Sensor: 1/2.9", Sony IMX486 (CMOS)
- Phase autofocus
Ultra-wide lens - 8 MP
- Aperture: f/2.2
- Pixel size: 1.12 micron
- Sensor: 1/4.0" (CMOS)
-
Macro lens - 2 MP
- Aperture: f/2.4
-
Depth lens - 2 MP
- Aperture: f/2.4
-
Camera features - Bokeh mode
- Pro mode
-
Selfie camera
Megapixels 13 megapixels 5 megapixels
Image resolution 4128 x 3096 2592 x 1944
Aperture f/2.3 f/2.2
Focal length 29 mm -
Pixel size 1.12 microns 1.12 microns
Sensor type CMOS CMOS
Sensor size 1/3.1" 1/5"
Video resolution 1080p (Full HD) at 30 FPS 1080p (Full HD) at 30 FPS

Connectivity

Wi-Fi standard Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 4 (802.11 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 GPS, GLONASS, Beidou
NFC* Yes No
Infrared port Yes No
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* No No
Hybrid slot No No
LTE Cat* 12 4
5G support No No

Sound

Speakers Mono Mono
Headphone audio jack Yes Yes
FM radio Yes Yes
Dolby Atmos No No
Speakers test
Max. loudness
92.4 dB
82 dB

Other

Category Mid-range Budget
Announced April 2020 May 2019
Release date June 2020 June 2019
SAR (head) 0.8 W/kg 0.557 W/kg
SAR (body) 1.14 W/kg 1.166 W/kg
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

After analyzing all the data, we think that the Xiaomi Redmi Note 9 is definitely a better buy.

Cast your vote

So, which phone would you choose?
23 (65.7%)
12 (34.3%)
Total votes: 35

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