Samsung Galaxy A51 vs Galaxy A03s
Here we compared two smartphones: the 6.5-inch Samsung Galaxy A51 (with Exynos 9 Octa 9611) that was released on December 12, 2019, against the Samsung Galaxy A03s, which is powered by MediaTek Helio P35 and came out 21 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
Key differences
Reasons to consider the Samsung Galaxy A51
- 70% better performance in AnTuTu Benchmark (246K versus 144K)
- Delivers 79% higher peak brightness (638 against 356 nits)
- 50% higher pixel density (405 vs 270 PPI)
- Slow-motion recording at 960FPS
- Ability to record video in 4K resolution
- Compatible with Wi-Fi 5 wireless networks
- Has an ultra-wide angle camera lens
- Super AMOLED display (versus competitor''s PLS TFT)
- Thinner bezels – 5.6% more screen real estate
- The front-facing camera can record video at 4K
Reasons to consider the Samsung Galaxy A03s
- Shows 48% longer battery life (39:16 vs 26:33 hours)
- Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
- The phone is 1-year and 9-months newer
Review
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Value for money
Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | Super AMOLED | PLS TFT |
| 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 | 60 Hz | 60 Hz |
| Adaptive refresh rate | No | No |
| Max rated brightness | 400 nits | 400 nits |
| HDR support | No | No |
| Screen protection | Corning Gorilla Glass 3 | Tempered glass |
| Screen-to-body ratio | 87.4% | 81.8% |
| Display features | - Always-On Display | - |
| RGB color space | 98.8% | 93.9% |
| PWM | 242 Hz | 806 Hz |
| Response time | 25 ms | 43 ms |
| Contrast | ∞ Infinity | 1126:1 |
Peak brightness test (auto)
Design and build
| Height | 158.5 mm (6.24 inches) | 164.2 mm (6.46 inches) |
| Width | 73.6 mm (2.9 inches) | 75.9 mm (2.99 inches) |
| Thickness | 7.9 mm (0.31 inches) | 9.1 mm (0.36 inches) |
| Weight | 172 g (6.07 oz) | 196 g (6.91 oz) |
| Waterproof | No | No |
| Rear material | Plastic | Plastic |
| Frame material | Plastic | Plastic |
| Colors | White, Black | White, Black, Blue |
| Fingerprint scanner | Yes, in-display | Yes, in-button |
Screen-to-body ratio
Performance
| Chipset | Samsung Exynos 9 Octa 9611 | MediaTek Helio P35 |
| Max clock | 2300 MHz | 2350 MHz |
| CPU cores | 8 (4 + 4) | 8 (4 + 4) |
| Architecture |
- 4 cores at 1.7 GHz: Cortex-A53
- 4 cores at 2.3 GHz: Cortex-A73 |
- 4 cores at 1.8 GHz: Cortex-A53
- 4 cores at 2.3 GHz: Cortex-A53 |
| Lithography process | 10 nanometers | 12 nanometers |
| Graphics | Mali-G72 MP3 | PowerVR GE8320 |
| GPU shading units | 54 | 32 |
| GPU clock | 850 MHz | 680 MHz |
| FLOPS | ~91.8 GFLOPS | ~43.5 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
AnTuTu Benchmark 10
| CPU | 69792 | 51263 |
| GPU | 55670 | 20113 |
| Memory | 60677 | 35388 |
| UX | 59872 | 36853 |
| Total score | 246594 | 144853 |
3DMark Wild Life Performance
| Max surface temperature | 42.2 °C | 41.7 °C |
| Stability | 95% | - |
| Graphics test | 4 FPS | - |
| Graphics score | 812 | - |
Memory
| RAM size | 4, 6 GB | 3, 4 GB |
| Memory type | LPDDR4X | - |
| Memory clock | 1866 MHz | - |
| Channels | 2 | 2 |
| Storage size | 64, 128 GB | 32, 64 GB |
| Storage type | UFS 2.0 | eMMC 5.1 |
| Memory card | MicroSD | MicroSD |
| Memory card max size | Up to 512 GB | Up to 1024 GB |
Software
| Operating system | Android 10 (Can be upgraded to Android 13) | Android 11 (Can be upgraded to Android 13) |
| ROM | One UI 5.0 | One UI Core 5.0 |
| OS size | 23 GB | 13.2 GB |
Battery
| Capacity | 4000 mAh | 5000 mAh |
| Max charge power | 15 W | 15 W |
| Battery type | Li-Po | Li-Ion |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | No | No |
| Fast charging | Yes (40% in 35 min) | Yes (15% in 30 min) |
| Full charging time | 1:50 hr | 3:38 hr |
| Web browsing | 09:34 hr | 15:57 hr |
| Watching video | 11:29 hr | 14:23 hr |
| Gaming | 05:12 hr | 06:16 hr |
| Standby | 83 hr | 124 hr |
General battery life
Camera
| Matrix | 48 megapixels | 13 megapixels |
| Image resolution | 8000 x 6000 | 4128 x 3096 |
| Zoom | Digital | Digital |
| Flash | LED | LED |
| Stabilization | Digital | Digital |
| 8K video recording | No | No |
| 4K video recording | Up to 30FPS | No |
| 1080p video recording | Up to 30FPS | Up to 30FPS |
| Slow motion | 960 FPS (720p) | No |
| Angle of widest lens | 120° | - |
| Lenses | 4 (48 MP + 12 MP + 5 MP + 5 MP) | 3 (13 MP + 2 MP + 2 MP) |
| Wide (main) lens |
- 48 MP
- Aperture: f/2.0 - Focal length: 26 mm - Pixel size: 0.8 micron - Sensor: 1/2", Sony IMX582 (Exmor-RS CMOS) - Phase autofocus |
- 13 MP
- Aperture: f/1.8 - Phase autofocus |
| Ultra-wide lens |
- 12 MP
- Aperture: f/2.2 - Focal length: 13 mm - Pixel size: 1.12 micron |
- |
| Macro lens |
- 5 MP
- Aperture: f/2.4 - Focal length: 40 mm - Pixel size: 1.12 micron |
- 2 MP
- Aperture: f/2.4 |
| Depth lens |
- 5 MP
- Aperture: f/2.2 - Pixel size: 1.12 micron - Sensor: 1/5.0" (CMOS) |
- 2 MP
- Aperture: f/2.4 |
| Camera features |
- Bokeh mode
- Pro mode |
- Bokeh mode |
| Megapixels | 32 megapixels | 5 megapixels |
| Image resolution | 6560 x 4928 | 2560 x 1960 |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 26 mm | - |
| Pixel size | 0.8 microns | - |
| Sensor type | ISOCELL CMOS | CMOS |
| Sensor size | 1/2.8" | - |
| Video resolution | 2160p (4K) at 30 FPS | 1080p (Full HD) at 30 FPS |
Connectivity
| Wi-Fi standard | Wi-Fi 5 (802.11 b/g/n/ac) | Wi-Fi 4 (802.11 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 | PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP | LE, A2DP |
| USB type | USB Type-C | USB Type-C |
| USB version | 2 | 2 |
| USB features |
- Charging
- USB-Storage mode - OTG |
- Charging
- USB-Storage mode - OTG |
| GPS | GPS, GLONASS, Beidou, Galileo | GPS, GLONASS, Beidou, Galileo |
| NFC * | Yes | Depends on the region |
| 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 * | 12 | 4 |
| 5G support | No | No |
Sound
| Speakers | Mono | Mono |
| Headphone audio jack | Yes | Yes |
| FM radio | Yes | No |
| Dolby Atmos | Yes | Yes |
Speakers test
Max loudness
Other
| Category | Mid-range | Budget |
| Announced | December 2019 | August 2021 |
| Release date | December 2019 | August 2021 |
| SAR (head) | 0.596 W/kg | 0.36 W/kg |
| SAR (body) | 1.45 W/kg | 1.09 W/kg |
| Sensors |
- Proximity sensor
- Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Proximity sensor
- Accelerometer - Ambient light sensor - Fingerprint |
| Bundled charger | - | Yes, 15 W |
*
Disclaimer!
NFC, GSM network support, and some other specs can be different depending on the country.
Conclusion
If the display, camera, performance, gaming, and connectivity are more important to you, then choose the Samsung Galaxy A51 . But if the battery life is more of a priority – go for the Samsung Galaxy A03s .