Samsung Galaxy M51 vs A33 5G
Here we compared two mid-range smartphones: the 6.7-inch Samsung Galaxy M51 (with Qualcomm Snapdragon 730G) that was released on August 31, 2020, against the Samsung Galaxy A33 5G, which is powered by Exynos 1280 and came out 19 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 M51
- Shows 53% longer battery life (48:46 vs 31:53 hours)
- Comes with 2000 mAh larger battery capacity: 7000 vs 5000 mAh
- Has a 0.3 inch larger screen size
- Reverse charging feature
- Includes a 3.5 mm headphone audio jack port
Reasons to consider the Samsung Galaxy A33 5G
- Waterproof body (IP67 classification)
- Higher display refresh rate – 90 Hz
- 48% better performance in AnTuTu Benchmark (481K versus 325K)
- Newer Bluetooth version (v5.1)
- Optical image stabilization
- Stereo speakers
- Delivers 8% higher peak brightness (729 against 677 nits)
- More recent OS version: Android 13 versus 12
- Slow-motion recording at 480FPS
- The phone is 1-year and 7-months newer
- The front-facing camera can record video at 4K
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 | Super AMOLED |
| Size | 6.7 inches | 6.4 inches |
| Resolution | 1080 x 2400 pixels | 1080 x 2400 pixels |
| Aspect ratio | 20:9 | 20:9 |
| PPI | 393 ppi | 411 ppi |
| Refresh rate | 60 Hz | 90 Hz |
| Adaptive refresh rate | No | No |
| Max rated brightness | 650 nits | 500 nits |
| Max rated brightness in HDR | - | 1000 nits |
| HDR support | No | No |
| Screen protection | Corning Gorilla Glass 3 | Corning Gorilla Glass 5 |
| Screen-to-body ratio | 86.7% | 83.7% |
| Display features | - Always-On Display | - DCI-P3 |
| RGB color space | 97.6% | 98.3% |
| PWM | 255 Hz | 366 Hz |
| Response time | 8 ms | 1 ms |
| Contrast | ∞ Infinity | ∞ Infinity |
Peak brightness test (auto)
Design and build
| Height | 163.9 mm (6.45 inches) | 159.7 mm (6.29 inches) |
| Width | 76.3 mm (3 inches) | 74 mm (2.91 inches) |
| Thickness | 9.5 mm (0.37 inches) | 8.1 mm (0.32 inches) |
| Weight | 213 g (7.51 oz) | 186 g (6.56 oz) |
| Waterproof | No | IP67 |
| Rear material | Plastic | Plastic |
| Frame material | Plastic | Plastic |
| Colors | White, Black | White, Black, Blue, Yellow |
| Fingerprint scanner | Yes, in-button | Yes, in-display |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 730G | Samsung Exynos 1280 |
| Max clock | 2200 MHz | 2400 MHz |
| CPU cores | 8 (2 + 6) | 8 (2 + 6) |
| Architecture |
- 6 cores at 1.8 GHz: Kryo 470 Silver (Cortex-A55)
- 2 cores at 2.2 GHz: Kryo 470 Gold (Cortex-A76) |
- 6 cores at 2 GHz: Cortex-A55
- 2 cores at 2.4 GHz: Cortex-A78 |
| Lithography process | 8 nanometers | 5 nanometers |
| Graphics | Adreno 618 | Mali-G68 MP4 |
| GPU shading units | 256 | - |
| GPU clock | 700 MHz | 1000 MHz |
| FLOPS | ~358.4 GFLOPS | ~487 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
AnTuTu Benchmark 10
| CPU | 111824 | 143324 |
| GPU | 66059 | 127938 |
| Memory | 60319 | 86144 |
| UX | 84933 | 121019 |
| Total score | 325853 | 481288 |
3DMark Wild Life Performance
| Max surface temperature | 48.2 °C | 39.8 °C |
| Stability | 97% | 98% |
| Graphics test | 4 FPS | 13 FPS |
| Graphics score | 738 | 2257 |
PCMark 3.0
| Web score | - | 8450 |
| Video editing | - | 7101 |
| Photo editing | - | 21208 |
| Data manipulation | - | 8557 |
| Writing score | - | 14268 |
Memory
| RAM size | 6, 8 GB | 6, 8 GB |
| Memory type | LPDDR4X | LPDDR4X |
| Memory clock | 1866 MHz | - |
| Channels | 2 | 2 |
| Storage size | 128 GB | 128, 256 GB |
| Storage type | UFS 2.1 | UFS 2.2 |
| 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 12) | Android 12 (Can be upgraded to Android 13) |
| ROM | One UI 4.1 | One UI 5.1 |
| OS size | 22 GB | 26 GB |
Battery
| Capacity | 7000 mAh | 5000 mAh |
| Max charge power | 25 W | 25 W |
| Battery type | Li-Ion | Li-Po |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | Yes | No |
| Fast charging | Yes (35% in 30 min) | Yes (50% in 30 min) |
| Full charging time | 1:47 hr | 1:15 hr |
| Web browsing | 17:24 hr | 10:17 hr |
| Watching video | 21:35 hr | 15:03 hr |
| Gaming | 06:54 hr | 05:45 hr |
| Standby | 159 hr | 105 hr |
General battery life
Camera
| Matrix | 64 megapixels | 48 megapixels |
| Image resolution | 9248 x 6920 | 8000 x 6000 |
| Zoom | Digital | Digital |
| Flash | LED | LED |
| Stabilization | Digital | Optical |
| 8K video recording | No | No |
| 4K video recording | Up to 30FPS | Up to 30FPS |
| 1080p video recording | Up to 30FPS | Up to 60FPS |
| Slow motion | 240 FPS (720p) | 480 FPS (720p) |
| Angle of widest lens | 123° | 123° |
| Lenses | 4 (64 MP + 12 MP + 5 MP + 5 MP) | 4 (48 MP + 8 MP + 5 MP + 2 MP) |
| Wide (main) lens |
- 64 MP
- Aperture: f/1.8 - Focal length: 26 mm - Pixel size: 0.8 micron - Sensor: 1/1.7", Sony IMX682 (Exmor-RS CMOS) - Phase autofocus |
- 48 MP
- Aperture: f/1.8 - Focal length: 26 mm - Pixel size: 0.8 micron - Sensor: 1/2.0", Sony IMX582 (Exmor-RS CMOS) - Phase autofocus - Optical stabilization |
| Ultra-wide lens |
- 12 MP
- Aperture: f/2.2 - Pixel size: 1.12 micron |
- 8 MP
- Aperture: f/2.2 - Focal length: 13 mm - Pixel size: 1.12 micron - Sensor: 1/4.0", Sony IMX355 (Exmor-RS CMOS) |
| Macro lens |
- 5 MP
- Aperture: f/2.4 |
- 5 MP
- Aperture: f/2.4 |
| Depth lens |
- 5 MP
- Aperture: f/2.4 - Pixel size: 1.12 micron |
- 2 MP
- Aperture: f/2.4 |
| Camera features |
- Bokeh mode
- Pro mode |
- Bokeh mode
- Pro mode |
| Samples | - | Photo samples of Samsung Galaxy A33 5G from DxOMark |
| Megapixels | 32 megapixels | 13 megapixels |
| Image resolution | 6464 x 4864 | 4160 x 3120 |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 26 mm | - |
| Pixel size | 0.8 microns | - |
| Sensor type | Exmor-RS CMOS | CMOS |
| Sensor size | 1/2.8" | - |
| Video resolution | 1080p (Full HD) at 30 FPS | 2160p (4K) at 30 FPS |
DxOMark camera tests
Photo quality
Video quality
Generic camera score
Connectivity
| Wi-Fi standard | Wi-Fi 5 (802.11 a/b/g/n/ac) | Wi-Fi 5 (802.11 a/b/g/n/ac) |
| Wi-Fi features |
- Dual Band
- Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Dual Band
- Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5 | 5.1 |
| Bluetooth features | LE, A2DP | PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP |
| USB type | USB Type-C | USB Type-C |
| USB version | 2 | 2 |
| USB features |
- Charging
- USB-Storage mode |
- Charging
- USB-Storage mode - OTG |
| GPS | GPS, GLONASS, Beidou, Galileo | GPS, GLONASS, Beidou, Galileo, QZSS |
| 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 | Yes |
| LTE Cat * | 15 | 18 |
| 5G support | No | Yes |
Sound
| Speakers | Mono | Stereo |
| Headphone audio jack | Yes | No |
| FM radio | Yes | No |
| Dolby Atmos | Yes | Yes |
Speakers test
Max loudness
Other
| Category | Mid-range | Mid-range |
| Announced | August 2020 | March 2022 |
| Release date | September 2020 | April 2022 |
| SAR (head) | 0.609 W/kg | - |
| SAR (body) | 1.446 W/kg | - |
| Sensors |
- Proximity sensor
- Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Hall-effect sensor
- Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Bundled charger | - | Not included |
*
Disclaimer!
NFC, GSM network support, and some other specs can be different depending on the country.
Conclusion
If the display, camera, performance, gaming, software, design, and sound are more important to you, then choose the Samsung Galaxy A33 5G . But if the battery life is more of a priority – go for the Samsung Galaxy M51 .