Xiaomi Redmi 9C vs Realme C21Y

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Xiaomi Redmi 9C vs Realme C21Y

44 out of 100
Xiaomi Redmi 9C
VS
47 out of 100
Realme C21Y

Here we compared two budget smartphones: the 6.53-inch Xiaomi Redmi 9C (with MediaTek Helio G35) that was released on June 30, 2020, against the Realme C21Y, which is powered by Unisoc T610 and came out 12 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 Realme C21Y
  • 59% better performance in AnTuTu Benchmark (250K versus 157K)
  • The phone is 1-year newer
  • Reverse charging feature

Review

Evaluation of Xiaomi Redmi 9C and Realme C21Y 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

Value for money

Tests and specifications

Comparison table of technical specifications and tests

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 60 Hz
Adaptive refresh rate No No
Max rated brightness 400 nits 400 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% -
PWM 17120 Hz -
Response time 47 ms -
Contrast 881:1 -
Peak brightness test (auto)

Design and build

Height 164.9 mm (6.49 inches) 164.5 mm (6.48 inches)
Width 77 mm (3.03 inches) 76 mm (2.99 inches)
Thickness 9 mm (0.35 inches) 9.1 mm (0.36 inches)
Weight 196 g (6.91 oz) 200 g (7.05 oz)
Waterproof No No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors Gray, Blue, Green, Purple Black, Blue
Fingerprint scanner Yes, rear Yes, rear
Screen-to-body ratio

Performance

Tests of Xiaomi Redmi 9C and Realme C21Y in the benchmarks
SoC
Chipset MediaTek Helio G35 Unisoc T610
Max clock 2300 MHz 1800 MHz
CPU cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4 cores at 1.8 GHz: Cortex-A53
- 4 cores at 2.3 GHz: Cortex-A53
- 6 cores at 1.82 GHz: Cortex-A55
- 2 cores at 1.82 GHz: Cortex-A75
Lithography process 12 nanometers 12 nanometers
Graphics PowerVR GE8320 Mali-G52 MP2
GPU shading units 32 48
GPU clock 680 MHz 614 MHz
FLOPS ~43.5 GFLOPS ~58.9 GFLOPS

Benchmarks

Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
AnTuTu Benchmark 10
157574
250602
CPU 56191 85494
GPU 10892 40815
Memory 43135 58863
UX 45809 63605
Total score 157574 250602

Memory

RAM
RAM size 2, 3, 4 GB 3, 4 GB
Memory type LPDDR4X LPDDR4X
Memory clock - 1866 MHz
Channels 2 2
Storage
Storage size 32, 64, 128 GB 32, 64 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 10 (Can be upgraded to Android 11) Android 11
ROM MIUI 12 Realme UI 2.0
OS size 18 GB -

Battery

Capacity 5000 mAh 5000 mAh
Max charge power 10 W 10 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No Yes
Fast charging No No
Full charging time 2:59 hr 3:00 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 13 megapixels 13 megapixels
Image resolution 4128 x 3096 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 No No
Lenses 2 (13 MP + 2 MP) 3 (13 MP + 2 MP + 2 MP)
Wide (main) lens - 13 MP
- Aperture: f/1.8
- Pixel size: 1.12 micron
- Sensor: 1/3.1" (CMOS)
- Phase autofocus
- 13 MP
- Aperture: f/2.2
- Focal length: 26 mm
- Sensor: 1/3.06" (CMOS)
- Phase autofocus
Macro lens - 2 MP
- Aperture: f/2.4
- 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
Depth lens - - 2 MP
- Aperture: f/2.4
Camera features - Bokeh mode - Bokeh mode
Selfie camera
Megapixels 5 megapixels 5 megapixels
Image resolution 2560 x 1960 2560 x 1960
Aperture f/2.2 f/2.2
Focal length - 27 mm
Pixel size 1.12 microns 1.12 microns
Sensor type CMOS CMOS
Sensor size - 1/5"
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 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, HID, A2DP LE, HID, A2DP
USB type Micro USB Micro USB
USB version 2 2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou
NFC * Yes No
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 7
5G support No No

Sound

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

Other

Category Budget Budget
Announced June 2020 June 2021
Release date September 2020 July 2021
SAR (head) 0.355 W/kg -
SAR (body) 0.729 W/kg -
Sensors - Proximity sensor
- Accelerometer
- Ambient light sensor
- Fingerprint
- Proximity sensor
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
* Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

If the display, performance, and gaming are more important to you, then choose the Realme C21Y . But if the software and sound are more of a priority – go for the Xiaomi Redmi 9C .

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