Samsung Galaxy A51 vs A33 5G
Here we compared two mid-range smartphones: the 6.5-inch Samsung Galaxy A51 (with Exynos 9 Octa 9611) that was released on December 12, 2019, against the Samsung Galaxy A33 5G, which is powered by Exynos 1280 and came out 28 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
- Slow-motion recording at 960FPS
- Weighs 14 grams less
- Includes a 3.5 mm headphone audio jack port
Reasons to consider the Samsung Galaxy A33 5G
- Waterproof body (IP67 classification)
- 93% better performance in AnTuTu Benchmark (413K versus 214K)
- Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
- Higher display refresh rate – 90 Hz
- Shows 20% longer battery life (31:53 vs 26:33 hours)
- Newer Bluetooth version (v5.1)
- Optical image stabilization
- More energy-efficient CPU – Exynos 1280
- Stereo speakers
- Delivers 15% higher peak brightness (733 against 640 nits)
- The phone is 2-years and 4-months newer
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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 | Super AMOLED | Super AMOLED |
| Size | 6.5 inches | 6.4 inches |
| Resolution | 1080 x 2400 pixels | 1080 x 2400 pixels |
| Aspect ratio | 20:9 | 20:9 |
| PPI | 405 ppi | 411 ppi |
| Refresh rate | 60 Hz | 90 Hz |
| Adaptive refresh rate | No | No |
| Max rated brightness | 400 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 | 87.4% | 83.7% |
| Display features | - Always-On Display | - DCI-P3 |
| RGB color space | 98.8% | 98.3% |
| PWM | 242 Hz | 366 Hz |
| Response time | 25 ms | 1 ms |
| Contrast | ∞ Infinity | ∞ Infinity |
Peak brightness test (auto)
Design and build
| Height | 158.5 mm (6.24 inches) | 159.7 mm (6.29 inches) |
| Width | 73.6 mm (2.9 inches) | 74 mm (2.91 inches) |
| Thickness | 7.9 mm (0.31 inches) | 8.1 mm (0.32 inches) |
| Weight | 172 g (6.07 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-display | Yes, in-display |
Screen-to-body ratio
Performance
| Chipset | Samsung Exynos 9 Octa 9611 | Samsung Exynos 1280 |
| Max clock | 2300 MHz | 2400 MHz |
| CPU cores | 8 (4 + 4) | 8 (2 + 6) |
| Architecture | - 4 cores at 1.7 GHz: Cortex-A53 - 4 cores at 2.3 GHz: Cortex-A73 |
- 6 cores at 2 GHz: Cortex-A55 - 2 cores at 2.4 GHz: Cortex-A78 |
| Lithography process | 10 nanometers | 5 nanometers |
| Graphics | Mali-G72 MP3 | Mali-G68 MP4 |
| GPU clock | 850 MHz | 1000 MHz |
| FLOPS | ~259 GFLOPS | - |
Benchmarks
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
AnTuTu Benchmark 9
| CPU | 63753 | 117008 |
| GPU | 43839 | 116615 |
| Memory | 43507 | 77740 |
| UX | 62692 | 102076 |
| Total score | 214104 | 413694 |
3DMark Wild Life Performance
| Max surface temperature | 42.2 °C | 39.8 °C |
| Stability | 95% | 99% |
| Graphics test | 4 FPS | 13 FPS |
| Graphics score | 812 | 2254 |
PCMark 3.0
| Web score | - | 8356 |
| Video editing | - | 6959 |
| Photo editing | - | 20777 |
| Data manipulation | - | 8470 |
| Writing score | - | 14684 |
Memory
| RAM size | 4, 6 GB | 6, 8 GB |
| Memory type | LPDDR4X | LPDDR4X |
| Memory clock | 1866 MHz | - |
| Channels | 2 | 2 |
| Storage size | 64, 128 GB | 128, 256 GB |
| Storage type | UFS 2.0 | 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 13) | Android 12 (Can be upgraded to Android 13) |
| ROM | One UI 5.0 | One UI 5.1 |
| OS size | 23 GB | 26 GB |
Battery
| Capacity | 4000 mAh | 5000 mAh |
| Charge power | 15 W | 25 W |
| Battery type | Li-Po | Li-Po |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | No | No |
| Fast charging | Yes (40% in 35 min) | Yes (50% in 30 min) |
| Full charging time | 1:50 hr | 1:15 hr |
| Web browsing | 09:34 hr | 10:17 hr |
| Watching video | 11:29 hr | 15:03 hr |
| Gaming | 05:12 hr | 05:45 hr |
| Standby | 83 hr | 105 hr |
General battery life
Camera
| Matrix | 48 megapixels | 48 megapixels |
| Image resolution | 8000 x 6000 | 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 | 960 FPS (720p) | 480 FPS (720p) |
| Angle of widest lens | 120° | 123° |
| Lenses | 4 (48 MP + 12 MP + 5 MP + 5 MP) | 4 (48 MP + 8 MP + 5 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 |
- 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 - Focal length: 13 mm - 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 - Focal length: 40 mm - Pixel size: 1.12 micron |
- 5 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 - Pro mode |
| Samples | - | Photo samples of Samsung Galaxy A33 5G from DxOMark |
| Megapixels | 32 megapixels | 13 megapixels |
| Image resolution | 6560 x 4928 | 4160 x 3120 |
| 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 | 2160p (4K) at 30 FPS |
DxOMark camera tests
Photo quality
Video quality
Generic camera score
Connectivity
| Wi-Fi standard | Wi-Fi 5 (802.11 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 | PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, 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 - OTG |
- 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* | 12 | 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 | December 2019 | March 2022 |
| Release date | December 2019 | April 2022 |
| SAR (head) | 0.596 W/kg | - |
| SAR (body) | 1.45 W/kg | - |
| Sensors | - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Hall-effect sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Conclusion
After analyzing all the data, we think that the Samsung Galaxy A33 5G is definitely a better buy.
Cast your vote
Total votes: 189