Oppo Realme C21Y vs Realme C11

Here we compared two budget smartphones: the 6.5-inch Oppo Realme C21Y (with Unisoc T610) that was released on June 21, 2021, against the Oppo Realme C11, which is powered by MediaTek Helio G35 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 Oppo Realme C21Y
  • 58% better performance in AnTuTu Benchmark (194K versus 123K)
  • Fingerprint scanner
  • More recent OS version: Android 11 versus 10
  • The phone is 11-months newer
  • Reverse charging feature
  • 2x faster in single-core GeekBench 5 test: 351 and 179 points
Reasons to consider the Oppo Realme C11
  • Slow-motion recording at 90FPS

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 6.5 inches 6.5 inches
Resolution 720 x 1600 pixels 720 x 1600 pixels
Aspect ratio 20:9 20:9
PPI 270 ppi 270 ppi
Refresh rate 60 Hz 60 Hz
Max rated brightness 400 nits 480 nits
HDR support No No
Screen protection Tempered glass Tempered glass
Screen-to-body ratio 81.6% 81.7%

Design and build

Height 164.5 mm (6.48 inches) 164.4 mm (6.47 inches)
Width 76 mm (2.99 inches) 75.9 mm (2.99 inches)
Thickness 9.1 mm (0.36 inches) 9.1 mm (0.36 inches)
Weight 200 gramm (7.05 oz) 196 gramm (6.91 oz)
Waterproof No No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors Black, Blue Gray, Green
Fingerprint scanner Yes, rear No
Screen-to-body ratio
81.6%
81.7%

Performance

Tests of Oppo Realme C21Y and Oppo Realme C11 in the benchmarks
SoC
Chipset Unisoc T610 MediaTek Helio G35
Max. clock 1800 MHz 2300 MHz
CPU cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6 cores at 1.82 GHz: Cortex-A55
- 2 cores at 1.82 GHz: Cortex-A75
- 4 cores at 1.8 GHz: Cortex-A53
- 4 cores at 2.3 GHz: Cortex-A53
L3 cache 1 MB -
Lithography process 12 nanometers 12 nanometers
Graphics ARM Mali G52 MP2 IMG PowerVR GE8320
GPU clock 614 MHz 680 MHz
FLOPS ~71.2 GFLOPS ~54.4 GFLOPS
Memory
RAM size 3, 4 GB 2 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1866 MHz -
Channels 2 2
Storage
Storage size 32, 64 GB 32 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

Benchmarks

Geekbench 5 (Single-Core)
351
Geekbench 5 (Multi-Core)
1314
1002
AnTuTu Benchmark 9
194986
123276
CPU 66485 38954
GPU 32103 16847
Memory 37779 26654
UX 57506 40547
Total score 194986 123276

Software

Operating system Android 11 Android 10
ROM Realme UI 2.0 Realme UI 1.0
OS size - 12.4 GB

Battery

Specifications
Capacity 5000 mAh 5000 mAh
Charge power 10 W 10 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No No
Reverse charging Yes No
Fast charging No No
Full charging time 3:00 hr 2:25 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 90 FPS (720p)
Lenses 3 (13 MP + 2 MP + 2 MP) 2 (13 MP + 2 MP)
Wide (main) lens - 13 MP
- Aperture: f/2.2
- Focal length: 26 mm
- Sensor: 1/3.06" (CMOS)
- Phase autofocus
- 13 MP
- Aperture: f/2.2
- Pixel size: 1.12 micron
- Phase autofocus
Macro lens - 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
-
Depth lens - 2 MP
- Aperture: f/2.4
- 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/2.4
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 4 (802.11 a/b/g/n) Wi-Fi 4 (802.11 a/b/g/n)
Wi-Fi features - 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
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou GPS, GLONASS, Beidou
NFC* No 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* 7 7
5G support No No

Sound

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

Other

Category Budget Budget
Announced June 2021 June 2020
Release date July 2021 August 2020
Sensors - Proximity sensor
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Proximity sensor
- 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 Oppo Realme C21Y is definitely a better buy.

Cast your vote

So, which phone would you choose?
64 (87.7%)
9 (12.3%)
Total votes: 73

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