Xiaomi Redmi Note 7 vs Redmi 9A

44 out of 100
Xiaomi Redmi Note 7
VS
40 out of 100
Xiaomi Redmi 9A

Here we compared two smartphones: the 6.3-inch Xiaomi Redmi Note 7 (with Qualcomm Snapdragon 660) that was released on January 10, 2019, against the Xiaomi Redmi 9A, which is powered by MediaTek Helio G25 and came out 18 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Xiaomi Redmi Note 7
  • 2.1x better performance in AnTuTu Benchmark (199K versus 93K)
  • 52% higher pixel density (409 vs 269 PPI)
  • Modern USB Type-C port
  • Compatible with Wi-Fi 5 wireless networks
  • Supports 18W fast charging
  • Fingerprint scanner
  • Delivers 25% higher peak brightness (538 against 431 nits)
  • Slow-motion recording at 120FPS
  • Has a built-in infrared port
Reasons to consider the Xiaomi Redmi 9A
  • Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
  • More recent OS version: Android 11 versus 10
  • The phone is 1-year and 6-months newer
  • More energy-efficient CPU – MediaTek Helio G25

Review

Evaluation of Xiaomi Redmi Note 7 and Redmi 9A crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
NanoReview Score
Final comparison evaluation
Choose the importance of each parameter to more accurately identify the smartphone that best meets your particular needs.
Adjust priorities
Feature
Priority (Weight)
Display:
Camera:
Performance:
Gaming:
Battery Life:
Connectivity:
The higher the priority, the more it will affect the final NanoReview score.

Value for money

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

Tests and specifications

Comparison table of technical specifications and tests

Display

Type IPS LCD IPS LCD
Size 6.3 inches 6.53 inches
Resolution 1080 x 2340 pixels 720 x 1600 pixels
Aspect ratio 19.5:9 20:9
PPI 409 ppi 269 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max rated brightness 550 nits 400 nits
HDR support No No
Screen protection Corning Gorilla Glass 5 Tempered glass
Screen-to-body ratio 81.4% 81.1%
Display tests
RGB color space 99.3% 92.9%
PWM 2336 Hz -
Response time 43.2 ms 40 ms
Contrast 1639:1 1318:1
Peak brightness test (auto)
538 nits
431 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 159.2 mm (6.27 inches) 164.9 mm (6.49 inches)
Width 75.2 mm (2.96 inches) 77 mm (3.03 inches)
Thickness 8.1 mm (0.32 inches) 9 mm (0.35 inches)
Weight 186 g (6.56 oz) 194 g (6.84 oz)
Waterproof No No
Rear material Glass Plastic
Frame material Plastic Plastic
Colors Black, Blue Gray, Blue, Green
Fingerprint scanner Yes, rear No
Screen-to-body ratio
81.4%
81.1%

Performance

Tests of Xiaomi Redmi Note 7 and Xiaomi Redmi 9A in the benchmarks
SoC
Chipset Qualcomm Snapdragon 660 MediaTek Helio G25
Max clock 2200 MHz 2000 MHz
CPU cores 8 (4 + 4) 8 (4 + 4)
Architecture - 4 cores at 1.84 GHz: Kryo 260 Silver (Cortex-A53)
- 4 cores at 2.2 GHz: Kryo 260 Gold (Cortex-A73)
- 4 cores at 1.5 GHz: Cortex-A53
- 4 cores at 2 GHz: Cortex-A53
Lithography process 14 nanometers 12 nanometers
Graphics Adreno 512 PowerVR GE8320
GPU clock 850 MHz 650 MHz
FLOPS ~218 GFLOPS ~41.8 GFLOPS

Benchmarks

Geekbench 5 (Single-Core)
Redmi Note 7 +149%
338
136
Geekbench 5 (Multi-Core)
Redmi Note 7 +209%
1439
466
AnTuTu Benchmark 9
Redmi Note 7 +113%
199043
93558
CPU 68288 36605
GPU 35535 12376
Memory 38070 24580
UX 59108 20429
Total score 199043 93558
3DMark Wild Life Performance
Max surface temperature 37.6 °C 43.2 °C
Stability 96% -
Graphics test 2 FPS -
Graphics score 373 -
Web score 5118 -
Video editing 5253 -
Photo editing 10033 -
Data manipulation 5423 -
Writing score 6406 -
Sources: 3DMark [3]

Memory

RAM
RAM size 3, 4 GB 2, 4, 6 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1866 MHz 2133 MHz
Channels 2 2
Storage
Storage size 32, 64, 128 GB 32, 64, 128 GB
Storage type eMMC 5.1 eMMC 5.1
Memory card MicroSD MicroSD
Memory card max size Up to 256 GB Up to 256 GB

Software

Operating system Android 9 (Can be upgraded to Android 10) Android 10 (Can be upgraded to Android 11)
ROM MIUI 12.5 MIUI 12.5 Enhanced
OS size 13 GB 11 GB

Battery

Capacity 4000 mAh 5000 mAh
Max charge power 18 W 10 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes, Quick Charge 4 (60% in 50 min) No
Full charging time 1:50 hr 2:55 hr
Battery life tests
Web browsing 09:39 hr -
Watching video 11:52 hr -
Gaming 04:14 hr -
Standby 106 hr -
General battery life
28:57 hr
n/a

Camera

Specs and camera test of smartphones
Main camera
Matrix 48 megapixels 13 megapixels
Image resolution 8000 x 6000 4128 x 3096
Zoom Digital Digital
Flash Dual LED LED
Stabilization Digital Digital
8K video recording No No
4K video recording No No
1080p video recording Up to 60FPS Up to 30FPS
Slow motion 120 FPS (1080p) No
Lenses 2 (48 MP + 5 MP) 1 (13 MP)
Wide (main) lens - 48 MP
- Aperture: f/1.8
- Pixel size: 0.8 micron
- Sensor: 1/2", Samsung S5KGM1 (ISOCELL CMOS)
- Phase autofocus
- 13 MP
- Aperture: f/2.2
- Focal length: 28 mm
- Pixel size: 1 micron
- Phase autofocus
Depth lens - 5 MP
- Aperture: f/2.0
- Pixel size: 1.12 micron
- Sensor: 1/5.0", Samsung S5K5E8 (ISOCELL CMOS)
-
Camera features - Bokeh mode
- Pro mode
- RAW support
-
Selfie camera
Megapixels 13 megapixels 5 megapixels
Image resolution 4160 x 3120 2560 x 1960
Aperture f/2.2 f/2.2
Pixel size 1.12 microns 1.12 microns
Sensor type PureCel CMOS
Sensor size 1/3.1" -
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 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 5
Bluetooth features LE, A2DP LE, HID, A2DP
USB type USB Type-C Micro USB
USB version 2 2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou, Galileo
NFC* No 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 Yes No
LTE Cat* 13 4
5G support - No

Sound

Speakers Mono Mono
Headphone audio jack Yes Yes
FM radio Yes Yes
Dolby Atmos No No
Speakers test
Max loudness
87.6 dB
76.5 dB

Other

Category Mid-range Budget
Announced January 2019 June 2020
Release date January 2019 August 2020
SAR (head) 0.59 W/kg 0.398 W/kg
SAR (body) 1.27 W/kg 0.901 W/kg
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Proximity sensor
- Accelerometer
- Ambient light sensor
*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 7 is definitely a better buy.

Cast your vote

So, which phone would you choose?
189 (80.8%)
45 (19.2%)
Total votes: 234

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