Xiaomi Redmi 10 vs Oppo Realme C21

Xiaomi Redmi 10 Oppo Realme C21

Here we compared two budget smartphones: the 6.5-inch Xiaomi Redmi 10 (with MediaTek Helio G88) that was released on August 19 2021 against the Oppo Realme C21 which is powered by MediaTek Helio G35 and came out 6 months before. On this page you will find tests full specs strengths and weaknesses of each of the gadgets.

Differences
Review
Specs
Benchmarks
Battery life
Camera
Comments

Key differences

An overview of the main advantages of each smartphone Reasons to consider the Xiaomi Redmi 10

67% better performance in AnTuTu Benchmark (220K versus 132K)
Higher display refresh rate – 90 Hz
50% higher pixel density (405 vs 270 PPI)
Modern USB Type-C port
Compatible with Wi-Fi 5 wireless networks
Supports 18W fast charging
Newer Bluetooth version (v5.1)
Stereo speakers
Has an ultra-wide angle camera lens
More recent OS version: Android 12 versus 11
Has a built-in infrared port

Review

Display Screen quality color accuracy brightness Redmi 10 72 Realme C21 55 Performance CPU/GPU performance in apps and games Redmi 10 32 Realme C21 24 Battery Battery life charging type and speed Redmi 10 80 Realme C21 70 Camera Photo and video recording quality Redmi 10 62 Realme C21 46 Connectivity Networks ports data transmission Redmi 10 72 Realme C21 58 NanoReview score Final comparison evaluation Redmi 10 61 Realme C21 49

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. Xiaomi Redmi 10 Price Oppo Realme C21 Calculate

Tests and specifications

Comparison table of technical specifications and tests Phone: Redmi 10 vs Realme C21

Display

Type	IPS LCD	IPS LCD
Size	6.5 inches	6.5 inches
Resolution	1080 x 2400 pixels	720 x 1600 pixels
Aspect ratio	20:9	20:9
PPI	405 ppi	270 ppi
Refresh rate	90 Hz	60 Hz
Max rated brightness	400 nits	450 nits
HDR support	Yes HDR10	No
Screen protection	Corning Gorilla Glass 3	Tempered glass
Screen-to-body ratio	83.5%	80.8%

Display tests
Response time	35.4 ms	-
Contrast	2464:1	-

Peak brightness test (auto) Redmi 10 482 nits Realme C21 n/a Sources: NotebookCheck [3]

Design and build

Height	161.9 mm (6.37 inches)	165.2 mm (6.5 inches)
Width	75.5 mm (2.97 inches)	76.4 mm (3.01 inches)
Thickness	8.9 mm (0.35 inches)	8.9 mm (0.35 inches)
Weight	181 gramm (6.38 oz)	190 gramm (6.7 oz)
Waterproof	No	No
Rear material	Plastic	Plastic
Frame material	Plastic	Plastic
Colors	White Gray Blue	Black Blue
Fingerprint scanner	Yes in home button	Yes rear

Screen-to-body ratio Redmi 10 +3% 83.5% Realme C21 80.8%

Performance

Tests of Xiaomi Redmi 10 and Oppo Realme C21 in the benchmarks

SoC
Chipset	MediaTek Helio G88	MediaTek Helio G35
Max. clock	2000 MHz	2300 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 1.8 GHz: Cortex-A53 - 4 cores at 2.3 GHz: Cortex-A53
Lithography process	12 nanometers	12 nanometers
Graphics	Mali-G52 MC2	IMG PowerVR GE8320
GPU clock	1000 MHz	680 MHz
FLOPS	~62 GFLOPS	~54.4 GFLOPS

Memory
RAM size	4 6 GB	3 4 GB
Memory type	LPDDR4X	LPDDR4X
Memory clock	1866 MHz	1866 MHz
Channels	2	2

Storage
Storage size	64 128 GB	32 64 GB
Storage type	eMMC 5.1	eMMC 5.1
Memory card	MicroSD	MicroSD
Memory card max. size	Up to 512 GB	Up to 256 GB

Benchmarks

Geekbench 5 (Single-Core) Redmi 10 +107% 361 Realme C21 174 Geekbench 5 (Multi-Core) Redmi 10 +31% 1298 Realme C21 994 AnTuTu Benchmark 9 Redmi 10 +67% 220604 Realme C21 132371

CPU	67785	39772
GPU	38298	16631
Memory	50109	33664
UX	62642	41494
Total score	220604	132371

▶️ Submit your AnTuTu result

Software

Operating system	Android 11 (Can be upgraded to Android 12)	Android 10 (Can be upgraded to Android 11)
ROM	MIUI 13	Realme UI 2.0
OS size	22.4 GB	-

Battery

Specifications
Capacity	5000 mAh	5000 mAh
Charge power	18 W	10 W
Battery type	Li-Ion	Li-Po
Replaceable	No	No
Wireless charging	No	No
Reverse charging	Yes	Yes
Fast charging	Yes (26% in 30 min)	No
Full charging time	2:13 hr	2:55 hr

Battery life tests
Web browsing	11:59 hr	-
Watching video	11:32 hr	-
Gaming	06:07 hr	-
Standby	140 hr	-

General battery life Redmi 10 35:02 hr Realme C21 n/a Phones With the Best Battery Life

Camera

Specs and camera test of smartphones

Main camera
Matrix	50 megapixels	13 megapixels
Image resolution	8700 x 5800	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
Angle of widest lens	120°	-
Lenses	4 (50 MP + 8 MP + 2 MP + 2 MP)	3 (13 MP + 2 MP + 2 MP)
Wide (main) lens	- 50 MP - Aperture: f/1.8 - Pixel size: 0.64 micron - Sensor: 1/2.76" Samsung S5KJN1 (ISOCELL Plus CMOS) - Phase autofocus	- 13 MP - Aperture: f/2.2 - Focal length: 26 mm - Pixel size: 1.12 micron - Sensor: 1/3" (CMOS) - Phase autofocus
Ultra-wide lens	- 8 MP - Aperture: f/2.2 - Focal length: 13 mm - Pixel size: 1.14 micron - Sensor: 1/2.8" Sony IMX355 (Exmor-RS CMOS)	-
Monochrome lens	-	- 2 MP - Aperture: f/2.4 - Pixel size: 1.75 micron - Sensor: 1/5" (CMOS)
Macro lens	- 2 MP - Aperture: f/2.4 - Pixel size: 1.12 micron	- 2 MP - Aperture: f/2.4 - Pixel size: 1.75 micron - Sensor: 1/5" (CMOS)
Depth lens	- 2 MP - Aperture: f/2.4	-
Camera features	- Bokeh mode - Pro mode	- Bokeh mode

Selfie camera
Megapixels	8 megapixels	5 megapixels
Image resolution	3264 x 2448	2560 x 1960
Aperture	f/2.0	f/2.2
Focal length	27 mm	27 mm
Pixel size	-	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 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	5.1	5
Bluetooth features	LE HID 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
NFC*	Depends on the region	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*	7	7
5G support	No	No

Sound

Speakers	Stereo	Mono
Headphone audio jack	Yes	Yes
FM radio	Yes	Yes
Dolby Atmos	Yes	No

Speakers test Max. loudness Redmi 10 88.9 dB Realme C21 n/a

Other

Category	Budget	Budget
Announced	August 2021	March 2021
Release date	August 2021	March 2021
Sensors	- Proximity sensor - Accelerometer - Ambient light sensor - Compass - 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

After analyzing all the data we think that the Xiaomi Redmi 10 is definitely a better buy.

Cast your vote

So which phone would you choose? Xiaomi Redmi 10 10 (71.4%) Oppo Realme C21 4 (28.6%) Vote Total votes: 14

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