Xiaomi Redmi 9A vs Nokia G21

Here we compared two smartphones: the 6.53-inch Xiaomi Redmi 9A (with MediaTek Helio G25) that was released on June 30, 2020, against the Nokia G21, which is powered by Unisoc T606 and came out 20 months after. 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 Nokia G21
  • 72% better performance in AnTuTu Benchmark (160K versus 93K)
  • Higher display refresh rate – 90 Hz
  • Modern USB Type-C port
  • Compatible with Wi-Fi 5 wireless networks
  • Supports 18W fast charging
  • Fingerprint scanner
  • Delivers 11% higher peak brightness (481 against 432 nits)
  • The phone is 1-year and 8-months newer
  • More recent OS version: Android 12 versus 11

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
Phone:
vs

Display

Type IPS LCD IPS LCD
Size 6.53 inches 6.5 inches
Resolution 720 x 1600 pixels 720 x 1600 pixels
Aspect ratio 20:9 20:9
PPI 269 ppi 270 ppi
Refresh rate 60 Hz 90 Hz
Max rated brightness 400 nits 480 nits
HDR support No No
Screen protection Tempered glass Tempered glass
Screen-to-body ratio 81.1% 81.6%
Display tests
RGB color space 92.9% 94.9%
PWM - Not detected
Response time 40 ms 49 ms
Contrast 1318:1 1070:1
Peak brightness test (auto)
432 nits
Nokia G21 +11%
481 nits
Sources: NotebookCheck [3]

Design and build

Height 164.9 mm (6.49 inches) 164.6 mm (6.48 inches)
Width 77 mm (3.03 inches) 75.9 mm (2.99 inches)
Thickness 9 mm (0.35 inches) 8.5 mm (0.33 inches)
Weight 194 gramm (6.84 oz) 190 gramm (6.7 oz)
Waterproof No No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors Gray, Blue, Green Gray, Blue
Fingerprint scanner No Yes, in home button
Screen-to-body ratio
81.1%
Nokia G21 +1%
81.6%

Performance

Tests of Xiaomi Redmi 9A and Nokia G21 in the benchmarks
SoC
Chipset MediaTek Helio G25 Unisoc T606
Max. clock 2000 MHz 1600 MHz
CPU cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4 cores at 1.5 GHz: Cortex-A53
- 4 cores at 2 GHz: Cortex-A53
- 6 cores at 1.6 GHz: Cortex-A55
- 2 cores at 1.6 GHz: Cortex-A75
L3 cache - 1 MB
Lithography process 12 nanometers 12 nanometers
Graphics IMG PowerVR GE8320 Mali-G57 MP1
GPU clock 650 MHz 650 MHz
FLOPS ~41.8 GFLOPS -
Memory
RAM size 2 GB 3, 4 GB
Memory type LPDDR4X LPDDR4X
Memory clock 2133 MHz -
Channels 2 2
Storage
Storage size 32 GB 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 512 GB

Benchmarks

Geekbench 5 (Single-Core)
135
Nokia G21 +129%
309
Geekbench 5 (Multi-Core)
466
Nokia G21 +156%
1191
AnTuTu Benchmark 9
93412
Nokia G21 +72%
160852
CPU 36605 61323
GPU 12376 24437
Memory 24580 39969
UX 20429 35896
Total score 93412 160852
3DMark Wild Life Performance
PCMark 3.0 score - 7332
Sources: 3DMark [3]

Software

Operating system Android 10 (Can be upgraded to Android 11) Android 11 (Can be upgraded to Android 12)
ROM MIUI 12.5 Enhanced -
OS size 11 GB -

Battery

Specifications
Capacity 5000 mAh 5050 mAh
Charge power 10 W 18 W
Battery type Li-Po Li-Ion
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging No Yes (22% in 30 min)
Full charging time 2:55 hr 2:49 hr
Battery life tests
Web browsing - 14:52 hr
Watching video - 13:09 hr
Gaming - 07:37 hr
Standby - 127 hr
General battery life
n/a
38:04 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 13 megapixels 50 megapixels
Image resolution 4128 x 3096 8700 x 5800
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 No -
Lenses 1 (13 MP) 3 (50 MP + 2 MP + 2 MP)
Wide (main) lens - 13 MP
- Aperture: f/2.2
- Focal length: 28 mm
- Pixel size: 1 micron
- Phase autofocus
- 50 MP
- Aperture: f/1.8
- Focal length: 28 mm
- Pixel size: 0.8 micron
- Sensor: 1/2.76", Samsung S5KJN1 (ISOCELL Plus CMOS)
- Phase autofocus
Macro lens - - 2 MP
Depth lens - - 2 MP
Camera features - - Bokeh mode
- Pro mode
Selfie camera
Megapixels 5 megapixels 8 megapixels
Image resolution 2560 x 1960 3264 x 2448
Aperture f/2.2 f/2.0
Pixel size 1.12 microns -
Sensor type CMOS CMOS
Video resolution 1080p (Full HD) at 30 FPS 1080p (Full HD) at 30 FPS

Connectivity

Wi-Fi standard Wi-Fi 4 (802.11 a/b/g/n) Wi-Fi 5 (802.11 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
Bluetooth features LE, HID, A2DP LE, A2DP
USB type Micro USB USB Type-C
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 Depends on the region
Infrared port No 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* 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
76.5 dB
Nokia G21 +12%
85.6 dB

Other

Category Budget Mid-range
Announced June 2020 February 2022
Release date August 2020 February 2022
SAR (head) 0.398 W/kg -
SAR (body) 0.901 W/kg -
Sensors - Proximity sensor
- Accelerometer
- Ambient light sensor
- Proximity sensor
- Accelerometer
- Ambient light sensor
- Fingerprint
*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 Nokia G21 is definitely a better buy.

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