Samsung Galaxy A70 vs Galaxy A51
Here we compared two mid-range smartphones: the 6.7-inch Samsung Galaxy A70 (with Qualcomm Snapdragon 675) that was released on March 28, 2019, against the Samsung Galaxy A51, which is powered by Exynos 9 Octa 9611 and came out 9 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 A70
- Shows 19% longer battery life (31:34 vs 26:33 hours)
- Comes with 500 mAh larger battery capacity: 4500 vs 4000 mAh
- 22% better performance in AnTuTu Benchmark (300K versus 246K)
- Supports higher wattage charging (25W versus 15W)
- Faster storage type - UFS 2.1 versus UFS 2.0
- 17% faster in single-core GeekBench 6 test: 600 and 513 points
Reasons to consider the Samsung Galaxy A51
- More recent OS version: Android 13 versus 11
- Slow-motion recording at 960FPS
- The phone is 9-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 | 6.5 inches |
| Resolution | 1080 x 2400 pixels | 1080 x 2400 pixels |
| Aspect ratio | 20:9 | 20:9 |
| PPI | 393 ppi | 405 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Adaptive refresh rate | No | No |
| Max rated brightness | 600 nits | 400 nits |
| HDR support | - | No |
| Screen protection | Corning Gorilla Glass 3 | Corning Gorilla Glass 3 |
| Screen-to-body ratio | 86% | 87.4% |
| Display features | - Always-On Display | - Always-On Display |
| RGB color space | - | 98.8% |
| PWM | - | 242 Hz |
| Response time | - | 25 ms |
| Contrast | - | ∞ Infinity |
Peak brightness test (auto)
Design and build
| Height | 164.3 mm (6.47 inches) | 158.5 mm (6.24 inches) |
| Width | 76.7 mm (3.02 inches) | 73.6 mm (2.9 inches) |
| Thickness | 7.9 mm (0.31 inches) | 7.9 mm (0.31 inches) |
| Weight | 183 g (6.46 oz) | 172 g (6.07 oz) |
| Waterproof | No | No |
| Rear material | Plastic | Plastic |
| Frame material | Plastic | Plastic |
| Colors | White, Black, Blue | White, Black |
| Fingerprint scanner | Yes, in-display | Yes, in-display |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 675 | Samsung Exynos 9 Octa 9611 |
| Max clock | 2000 MHz | 2300 MHz |
| CPU cores | 8 (2 + 6) | 8 (4 + 4) |
| Architecture |
- 6 cores at 1.7 GHz: Kryo 460 Silver (Cortex-A55)
- 2 cores at 2 GHz: Kryo 460 Gold (Cortex-A76) |
- 4 cores at 1.7 GHz: Cortex-A53
- 4 cores at 2.3 GHz: Cortex-A73 |
| Lithography process | 11 nanometers | 10 nanometers |
| Graphics | Adreno 612 | Mali-G72 MP3 |
| GPU shading units | 192 | 54 |
| GPU clock | 845 MHz | 850 MHz |
| FLOPS | ~324.4 GFLOPS | ~91.8 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
AnTuTu Benchmark 10
| CPU | 98330 | 69792 |
| GPU | 51106 | 55670 |
| Memory | 69040 | 60677 |
| UX | 80304 | 59872 |
| Total score | 300268 | 246594 |
3DMark Wild Life Performance
| Max surface temperature | - | 42.2 °C |
| Stability | 97% | 95% |
| Graphics test | 2 FPS | 4 FPS |
| Graphics score | 405 | 812 |
PCMark 3.0
| Web score | 5771 | - |
| Video editing | 5706 | - |
| Photo editing | 15655 | - |
| Data manipulation | 6311 | - |
| Writing score | 8069 | - |
Memory
| RAM size | 6 GB | 4, 6 GB |
| Memory type | LPDDR4X | LPDDR4X |
| Memory clock | 1866 MHz | 1866 MHz |
| Channels | 2 | 2 |
| Storage size | 128 GB | 64, 128 GB |
| Storage type | UFS 2.1 | UFS 2.0 |
| Memory card | MicroSD | MicroSD |
| Memory card max size | Up to 512 GB | Up to 512 GB |
Software
| Operating system | Android 9.0 (Can be upgraded to Android 11) | Android 10 (Can be upgraded to Android 13) |
| ROM | One UI 3.1 | One UI 5.0 |
| OS size | - | 23 GB |
Battery
| Capacity | 4500 mAh | 4000 mAh |
| Max charge power | 25 W | 15 W |
| Battery type | Li-Po | Li-Po |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | No | No |
| Fast charging | Yes, Samsung Adaptive Fast Charge (45% in 30 min) | Yes (40% in 35 min) |
| Full charging time | 2:00 hr | 1:50 hr |
| Web browsing | 08:51 hr | 09:34 hr |
| Watching video | 14:10 hr | 11:29 hr |
| Gaming | 04:09 hr | 05:12 hr |
| Standby | 127 hr | 83 hr |
General battery life
Camera
| Matrix | 32 megapixels | 48 megapixels |
| Image resolution | 6500 x 4920 | 8000 x 6000 |
| Zoom | Digital | Digital |
| Flash | Dual LED | LED |
| Stabilization | Digital | Digital |
| 8K video recording | No | No |
| 4K video recording | Up to 30FPS | Up to 30FPS |
| 1080p video recording | Up to 240FPS | Up to 30FPS |
| Slow motion | 240 FPS (1080p) | 960 FPS (720p) |
| Angle of widest lens | 123° | 120° |
| Lenses | 3 (32 MP + 8 MP + 5 MP) | 4 (48 MP + 12 MP + 5 MP + 5 MP) |
| Wide (main) lens |
- 32 MP
- Aperture: f/1.7 - Focal length: 26 mm - Pixel size: 0.8 micron - Sensor: 1/2.8" (BSI CMOS) - Phase autofocus |
- 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 |
| Ultra-wide lens |
- 8 MP
- Aperture: f/2.2 - Focal length: 12 mm - Sensor: 1/4" (CMOS) |
- 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 |
| Depth lens |
- 5 MP
- Aperture: f/2.2 |
- 5 MP
- Aperture: f/2.2 - Pixel size: 1.12 micron - Sensor: 1/5.0" (CMOS) |
| Camera features |
- Bokeh mode
- Pro mode |
- Bokeh mode
- Pro mode |
| Megapixels | 32 megapixels | 32 megapixels |
| Image resolution | 6528 x 4896 | 6560 x 4928 |
| Aperture | f/2.0 | f/2.2 |
| Focal length | - | 26 mm |
| Pixel size | - | 0.8 microns |
| Sensor type | BSI CMOS | ISOCELL CMOS |
| Sensor size | 1/2.8" | 1/2.8" |
| Video resolution | 1080p (Full HD) at 30 FPS | 2160p (4K) at 30 FPS |
Connectivity
| Wi-Fi standard | Wi-Fi 5 (802.11 a/b/g/n/ac) | Wi-Fi 5 (802.11 b/g/n/ac) |
| Wi-Fi features |
- Dual Band
- Wi-Fi Direct - Wi-Fi Hotspot |
- Dual Band
- 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 | 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 |
| NFC * | Yes | Yes |
| 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 | 12 |
| 5G support | No | No |
Sound
| Speakers | Mono | Mono |
| Headphone audio jack | Yes | Yes |
| FM radio | Yes | Yes |
| Dolby Atmos | Yes | Yes |
Speakers test
Max loudness
Other
| Category | Mid-range | Mid-range |
| Announced | March 2019 | December 2019 |
| Release date | April 2019 | December 2019 |
| SAR (head) | 0.35 W/kg | 0.596 W/kg |
| SAR (body) | 1.48 W/kg | 1.45 W/kg |
| Sensors |
- Proximity sensor
- Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Proximity 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
If the display, camera, and software are more important to you, then choose the Samsung Galaxy A51 . But if the performance and battery life are more of a priority – go for the Samsung Galaxy A70 .