Samsung Galaxy A03s vs Oppo Realme C21Y
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Samsung Galaxy A03s Oppo Realme C21Y
Here we compared two budget smartphones: the 6.5-inch Samsung Galaxy A03s (with MediaTek Helio P35) that was released on August 18 2021 against the Oppo Realme C21Y which is powered by Unisoc T610 and came out 2 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 Samsung Galaxy A03s
- Modern USB Type-C port
- Supports 15W fast charging
- More recent OS version: Android 12 versus 11
- Supports Dolby Atmos sound technology
Reasons to consider the Oppo Realme C21Y
- 60% better performance in AnTuTu Benchmark (194K versus 121K)
- Reverse charging feature
- 94% faster in single-core GeekBench 5 test: 350 and 180 points
Review
Display Screen quality color accuracy brightness Galaxy A03s 56 Realme C21Y 56 Performance CPU/GPU performance in apps and games Galaxy A03s 16 Realme C21Y 30 Battery Battery life charging type and speed Galaxy A03s 85 Realme C21Y 70 Camera Photo and video recording quality Galaxy A03s 50 Realme C21Y 48 Connectivity Networks ports data transmission Galaxy A03s 62 Realme C21Y 58 NanoReview score Final comparison evaluation Galaxy A03s 52 Realme C21Y 51
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. Samsung Galaxy A03s Price Oppo Realme C21Y Calculate
Tests and specifications
Comparison table of technical specifications and tests Phone: Galaxy A03s vs Realme C21Y
Display
| Type | PLS TFT | 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 | 400 nits |
| HDR support | No | No |
| Screen protection | Tempered glass | Tempered glass |
| Screen-to-body ratio | 81.8% | 81.6% |
Display tests | RGB color space | 93.9% | - |
| PWM | 806 Hz | - |
| Response time | 43 ms | - |
| Contrast | 1126:1 | - |
Peak brightness test (auto) Galaxy A03s 356 nits Realme C21Y n/a Sources: NotebookCheck [3]
Design and build
| Height | 164.2 mm (6.46 inches) | 164.5 mm (6.48 inches) |
| Width | 75.9 mm (2.99 inches) | 76 mm (2.99 inches) |
| Thickness | 9.1 mm (0.36 inches) | 9.1 mm (0.36 inches) |
| Weight | 196 gramm (6.91 oz) | 200 gramm (7.05 oz) |
| Waterproof | No | No |
| Rear material | Plastic | Plastic |
| Frame material | Plastic | Plastic |
| Colors | White Black Blue | Black Blue |
| Fingerprint scanner | Yes in home button | Yes rear |
Screen-to-body ratio Galaxy A03s 81.8% Realme C21Y 81.6%
Performance
Tests of Samsung Galaxy A03s and Oppo Realme C21Y in the benchmarks
SoC | Chipset | MediaTek Helio P35 | Unisoc T610 |
| Max. clock | 2350 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 |
| L3 cache | - | 1 MB |
| Lithography process | 12 nanometers | 12 nanometers |
| Graphics | IMG PowerVR GE8320 | ARM Mali G52 MP2 |
| GPU clock | 680 MHz | 614 MHz |
| FLOPS | ~44.8 GFLOPS | ~71.2 GFLOPS |
Memory | RAM size | 3 4 GB | 3 4 GB |
| Memory type | - | LPDDR4X |
| Memory clock | - | 1866 MHz |
| Channels | 2 | 2 |
Storage | Storage size | 32 64 GB | 32 64 GB |
| Storage type | eMMC 5.1 | eMMC 5.1 |
| Memory card | MicroSD | MicroSD |
| Memory card max. size | Up to 1024 GB | Up to 256 GB |
Benchmarks
Geekbench 5 (Single-Core) Galaxy A03s 180 Realme C21Y +94% 350 Geekbench 5 (Multi-Core) Galaxy A03s 892 Realme C21Y +47% 1315 AnTuTu Benchmark 9 Galaxy A03s 121590 Realme C21Y +60% 194304
| CPU | 36930 | 66485 |
| GPU | 15632 | 32103 |
| Memory | 29149 | 37779 |
| UX | 38919 | 57506 |
| Total score | 121590 | 194304 |
▶️ Submit your AnTuTu result
Software
| Operating system | Android 11 (Can be upgraded to Android 12) | Android 11 |
| ROM | One UI Core 4.1 | Realme UI 2.0 |
| OS size | 13.2 GB | - |
Battery
Specifications | Capacity | 5000 mAh | 5000 mAh |
| Charge power | 15 W | 10 W |
| Battery type | Li-Ion | Li-Po |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | No | Yes |
| Fast charging | Yes (15% in 30 min) | No |
| Full charging time | 3:38 hr | 3:00 hr |
Battery life tests | Web browsing | 15:57 hr | - |
| Watching video | 14:23 hr | - |
| Gaming | 06:16 hr | - |
| Standby | 124 hr | - |
General battery life Galaxy A03s 39:16 hr Realme C21Y n/a Smartphones With Long Battery Life
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 | 3 (13 MP + 2 MP + 2 MP) | 3 (13 MP + 2 MP + 2 MP) |
| Wide (main) lens | - 13 MP - Aperture: f/1.8 - 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 | - 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 |
| 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 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 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 |
| GPS | GPS GLONASS Beidou Galileo | GPS GLONASS Beidou |
| NFC* | Depends on the region | 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 | No | No |
| Dolby Atmos | Yes | No |
Speakers test Max. loudness Galaxy A03s 86.5 dB Realme C21Y n/a
Other
| Category | Budget | Budget |
| Announced | August 2021 | June 2021 |
| Release date | August 2021 | July 2021 |
| SAR (head) | 0.36 W/kg | - |
| SAR (body) | 1.09 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 software battery life connectivity and sound are more important to you then choose the Samsung Galaxy A03s. But if the performance is more of a priority – go for the Oppo Realme C21Y.
Cast your vote
So which phone would you choose? Samsung Galaxy A03s 11 (26.8%) Oppo Realme C21Y 30 (73.2%) Vote Total votes:
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