Realme C31 vs Realme C21Y
Here we compared two budget smartphones: the 6.5-inch Realme C31 (with Unisoc Tiger T612) that was released on March 25, 2022, against the Realme C21Y, which is powered by Unisoc T610 and came out 9 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
Key differences
Reasons to consider the Realme C31
- Faster storage type - UFS 2.2 versus eMMC 5.1
- The phone is 9-months newer
Reasons to consider the Realme C21Y
- Reverse charging feature
- The front-facing camera can record video at 1080p
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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.
Tests and specifications
Comparison table of technical specifications and testsDisplay
| 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 |
| Adaptive refresh rate | No | No |
| Max rated brightness | 415 nits | 400 nits |
| HDR support | No | No |
| Screen protection | Tempered glass | Tempered glass |
| Screen-to-body ratio | 81.4% | 81.6% |
| PWM | Not detected | - |
| Response time | 48 ms | - |
| Contrast | 1033:1 | - |
Peak brightness test (auto)
Design and build
| Height | 164.7 mm (6.48 inches) | 164.5 mm (6.48 inches) |
| Width | 76.1 mm (3 inches) | 76 mm (2.99 inches) |
| Thickness | 8.4 mm (0.33 inches) | 9.1 mm (0.36 inches) |
| Weight | 197 g (6.95 oz) | 200 g (7.05 oz) |
| Waterproof | No | No |
| Rear material | Plastic | Plastic |
| Frame material | Plastic | Plastic |
| Colors | Silver, Green | Black, Blue |
| Fingerprint scanner | Yes, in home button | Yes, rear |
Screen-to-body ratio
Performance
| Chipset | Unisoc Tiger T612 | Unisoc T610 |
| Max clock | 1800 MHz | 1800 MHz |
| CPU cores | 8 (2 + 6) | 8 (2 + 6) |
| Architecture | - 6 cores at 1.8 GHz: Cortex-A55 - 2 cores at 1.8 GHz: Cortex-A75 |
- 6 cores at 1.82 GHz: Cortex-A55 - 2 cores at 1.82 GHz: Cortex-A75 |
| L3 cache | - | 1 MB |
| Lithography process | 12 nanometers | 12 nanometers |
| Graphics | Mali-G57 MP1 | ARM Mali G52 MP2 |
| GPU clock | 614 MHz | 614 MHz |
| FLOPS | - | ~71.2 GFLOPS |
Benchmarks
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
AnTuTu Benchmark 9
| CPU | 67603 | 66485 |
| GPU | 22171 | 32103 |
| Memory | 61955 | 37779 |
| UX | 58129 | 57506 |
| Total score | 211450 | 195398 |
3DMark Wild Life Performance
PCMark 3.0
| Web score | 6626 | - |
| Video editing | 4821 | - |
| Photo editing | 15888 | - |
| Data manipulation | 5964 | - |
| Writing score | 8286 | - |
Memory
| RAM size | 3, 4 GB | 3, 4 GB |
| Memory type | LPDDR4X | LPDDR4X |
| Memory clock | - | 1866 MHz |
| Channels | 2 | 2 |
| Storage size | 32, 64 GB | 32, 64 GB |
| Storage type | UFS 2.2 | eMMC 5.1 |
| Memory card | MicroSD | MicroSD |
| Memory card max size | Up to 1024 GB | Up to 256 GB |
Software
| Operating system | Android 11 | Android 11 |
| ROM | Realme UI 2.0 | Realme UI 2.0 |
Battery
| 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 | No | Yes |
| Fast charging | No | No |
| Full charging time | 2:40 hr | 3:00 hr |
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 | 3 (13 MP + 2 MP + 0.3 MP) | 3 (13 MP + 2 MP + 2 MP) |
| Wide (main) lens | - 13 MP - Aperture: f/2.2 - Focal length: 25 mm - Pixel size: 1.12 micron - Sensor: 1/3" (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 - Pixel size: 1.75 micron - Sensor: 1/5" (CMOS) |
- 2 MP - Aperture: f/2.4 - Pixel size: 1.75 micron |
| Depth lens | - 0.3 MP - Aperture: f/2.8 |
- 2 MP - Aperture: f/2.4 |
| Camera features | - Bokeh mode | - Bokeh mode |
| Megapixels | 5 megapixels | 5 megapixels |
| Image resolution | 2560 x 1960 | 2560 x 1960 |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 27 mm | 27 mm |
| Pixel size | 1.12 microns | 1.12 microns |
| Sensor type | CMOS | CMOS |
| Sensor size | 1/5" | 1/5" |
| Video resolution | 720p at 30 FPS | 1080p (Full HD) at 30 FPS |
Connectivity
| Wi-Fi standard | Wi-Fi 4 (802.11 b/g/n) | Wi-Fi 4 (802.11 a/b/g/n) |
| Wi-Fi features | - Wi-Fi Direct - Wi-Fi Hotspot |
- Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5 | 5 |
| Bluetooth features | LE | LE, HID, A2DP |
| USB type | Micro USB | Micro USB |
| USB version | 2 | 2 |
| USB features | - Charging - USB-Storage mode |
- Charging - USB-Storage mode |
| GPS | GPS, GLONASS, Beidou, Galileo | GPS, GLONASS, Beidou |
| NFC* | Depends on the region | No |
| Infrared port | No | No |
| 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 |
| 5G support | No | No |
Sound
| Speakers | Mono | Mono |
| Headphone audio jack | Yes | Yes |
| FM radio | No | No |
| Dolby Atmos | No | No |
Speakers test
Max loudness
Other
| Category | Budget | Budget |
| Announced | March 2022 | June 2021 |
| Release date | March 2022 | July 2021 |
| Sensors | - Proximity sensor - Gyroscope - 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
These smartphones have a lot in common, but we would recommend the Realme C31. It has a better connectivity and sound.
Cast your vote
Total votes: 56