Oppo Realme C25Y vs Realme C21Y
Here we compared two budget smartphones: the 6.5-inch Oppo Realme C25Y (with Unisoc T610) that was released on September 16, 2021, against the Oppo Realme C21Y, which is powered by the same chip and came out 3 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the gadgets.
Key differences
Reasons to consider the Oppo Realme C25Y
- Supports 18W fast charging
- 14% better performance in AnTuTu Benchmark (222K versus 194K)
- Slow-motion recording at 120FPS
Reasons to consider the Oppo 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
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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 |
| Max rated brightness | 420 nits | 400 nits |
| HDR support | No | No |
| Screen protection | Tempered glass | Tempered glass |
| Screen-to-body ratio | 81.7% | 81.6% |
| RGB color space | 92.8% | - |
| PWM | 176 Hz | - |
| Response time | 37 ms | - |
| Contrast | 935:1 | - |
Peak brightness test (auto)
Design and build
| Height | 164.5 mm (6.48 inches) | 164.5 mm (6.48 inches) |
| Width | 75 mm (2.95 inches) | 76 mm (2.99 inches) |
| Thickness | 9.1 mm (0.36 inches) | 9.1 mm (0.36 inches) |
| Weight | 200 g (7.05 oz) | 200 g (7.05 oz) |
| Waterproof | No | No |
| Rear material | Plastic | Plastic |
| Frame material | Plastic | Plastic |
| Colors | Gray, Blue | Black, Blue |
| Fingerprint scanner | Yes, rear | Yes, rear |
Screen-to-body ratio
Performance
| Chipset | Unisoc T610 | Unisoc T610 |
| Max. clock | 1800 MHz | 1800 MHz |
| CPU cores | 8 (2 + 6) | 8 (2 + 6) |
| Architecture | - 6 cores at 1.82 GHz: Cortex-A55 - 2 cores at 1.82 GHz: Cortex-A75 |
- 6 cores at 1.82 GHz: Cortex-A55 - 2 cores at 1.82 GHz: Cortex-A75 |
| L3 cache | 1 MB | 1 MB |
| Lithography process | 12 nanometers | 12 nanometers |
| Graphics | ARM Mali G52 MP2 | ARM Mali G52 MP2 |
| GPU clock | 614 MHz | 614 MHz |
| FLOPS | ~71.2 GFLOPS | ~71.2 GFLOPS |
Benchmarks
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
AnTuTu Benchmark 9
| CPU | 72471 | 66485 |
| GPU | 43166 | 32103 |
| Memory | 42703 | 37779 |
| UX | 61789 | 57506 |
| Total score | 222071 | 194492 |
3DMark Wild Life Performance
| PCMark 3.0 score | 7876 | - |
Memory
| RAM size | 4, 6 GB | 3, 4 GB |
| Memory type | LPDDR4X | LPDDR4X |
| Memory clock | 1866 MHz | 1866 MHz |
| Channels | 2 | 2 |
| 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 256 GB | Up to 256 GB |
Software
| Operating system | Android 11 | Android 11 |
| ROM | Realme UI R | Realme UI 2.0 |
| OS size | 18 GB | - |
Battery
| Capacity | 5000 mAh | 5000 mAh |
| Charge power | 18 W | 10 W |
| Battery type | Li-Po | Li-Po |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | No | Yes |
| Fast charging | Yes (30% in 31 min) | No |
| Full charging time | 1:56 hr | 3:00 hr |
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 | 120 FPS (720p) | No |
| Lenses | 3 (50 MP + 2 MP + 2 MP) | 3 (13 MP + 2 MP + 2 MP) |
| Wide (main) lens | - 50 MP - Aperture: f/1.8 - Focal length: 26 mm - 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 |
- 2 MP - Aperture: f/2.4 |
| Camera features | - Bokeh mode - Pro mode |
- Bokeh mode |
| Megapixels | 8 megapixels | 5 megapixels |
| Image resolution | 3264 x 2448 | 2560 x 1960 |
| Aperture | f/2.0 | f/2.2 |
| Focal length | 26 mm | 27 mm |
| Pixel size | 1.12 microns | 1.12 microns |
| Sensor type | CMOS | CMOS |
| Sensor size | 1/4.0" | 1/5" |
| Video resolution | 720p 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, A2DP | 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* | No | 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* | 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 | September 2021 | June 2021 |
| Release date | September 2021 | July 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
These smartphones have a lot in common, but we would recommend the Oppo Realme C25Y. It has a better battery life, camera, and sound.
Cast your vote
Total votes: 109