Samsung Galaxy J5 vs Galaxy A51
Here we compared two smartphones: the 5-inch Samsung Galaxy J5 (with Qualcomm Snapdragon 410) that was released on June 20, 2015, against the Samsung Galaxy A51, which is powered by Exynos 9 Octa 9611 and came out 55 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the gadgets.
Key differences
Reasons to consider the Samsung Galaxy J5
- Weighs 26 grams less
Reasons to consider the Samsung Galaxy A51
- Has a 1.5 inches larger screen size
- Thinner bezels – 19.63% more screen real estate
- Comes with 1400 mAh larger battery capacity: 4000 vs 2600 mAh
- Delivers 80% higher peak brightness (637 against 353 nits)
- Modern USB Type-C port
- 38% higher pixel density (405 vs 294 PPI)
- Compatible with Wi-Fi 5 wireless networks
- Newer Bluetooth version (v5)
- Supports 15W fast charging
- Slow-motion recording at 960FPS
- More recent OS version: Android 13 versus 5.1
- Fingerprint scanner
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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 | 5 inches | 6.5 inches |
| Resolution | 720 x 1280 pixels | 1080 x 2400 pixels |
| Aspect ratio | 16:9 | 20:9 |
| PPI | 294 ppi | 405 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Max rated brightness | 368 nits | 400 nits |
| HDR support | No | No |
| Screen protection | Tempered glass | Corning Gorilla Glass 3 |
| Screen-to-body ratio | 67.77% | 87.4% |
| Display features | - | - Always-On Display |
| RGB color space | - | 98.8% |
| PWM | Not detected | 242 Hz |
| Response time | - | 25 ms |
| Contrast | ∞ Infinity | ∞ Infinity |
Peak brightness test (auto)
Design and build
| Height | 142.1 mm (5.59 inches) | 158.5 mm (6.24 inches) |
| Width | 71.8 mm (2.83 inches) | 73.6 mm (2.9 inches) |
| Thickness | 7.9 mm (0.31 inches) | 7.9 mm (0.31 inches) |
| Weight | 146 g (5.15 oz) | 172 g (6.07 oz) |
| Waterproof | No | No |
| Rear material | Plastic | Plastic |
| Frame material | Plastic | Plastic |
| Colors | White, Black, Gold | White, Black |
| Fingerprint scanner | No | Yes, in-display |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 410 | Samsung Exynos 9 Octa 9611 |
| Max. clock | 1200 MHz | 2300 MHz |
| CPU cores | - | 8 (4 + 4) |
| Architecture | - | - 4 cores at 1.7 GHz: Cortex-A53 - 4 cores at 2.3 GHz: Cortex-A73 |
| Lithography process | - | 10 nanometers |
| Graphics | - | Mali-G72 MP3 |
| GPU clock | 400 MHz | 850 MHz |
| FLOPS | - | ~259 GFLOPS |
Benchmarks
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
AnTuTu Benchmark 9
| CPU | - | 49711 |
| GPU | - | 53719 |
| Memory | - | 43824 |
| UX | - | 70475 |
| Total score | - | 217818 |
3DMark Wild Life Performance
| Stability | - | 95% |
| Graphics test | - | 4 FPS |
| Graphics score | - | 812 |
Memory
| RAM size | 1.5 GB | 4, 6 GB |
| Memory type | LPDDR3 | LPDDR4X |
| Memory clock | 533 MHz | 1866 MHz |
| Channels | 1 | 2 |
| Storage size | 16 GB | 64, 128 GB |
| Storage type | eMMC 5.0 | UFS 2.0 |
| Memory card | MicroSD | MicroSD |
| Memory card max. size | Up to 128 GB | Up to 512 GB |
Software
| Operating system | Android 5.1 | Android 10 (Can be upgraded to Android 13) |
| ROM | TouchWiz | One UI 5.0 |
| OS size | 3.8 GB | 23 GB |
Battery
| Capacity | 2600 mAh | 4000 mAh |
| Charge power | - | 15 W |
| Battery type | Li-Ion | Li-Po |
| Replaceable | Yes | No |
| Wireless charging | No | No |
| Reverse charging | No | No |
| Fast charging | No | Yes (40% in 35 min) |
| Full charging time | 1:50 hr | 1:50 hr |
| Web browsing | - | 09:34 hr |
| Watching video | - | 11:29 hr |
| Gaming | - | 05:12 hr |
| Standby | - | 83 hr |
General battery life
Camera
| Matrix | 13 megapixels | 48 megapixels |
| Image resolution | 4128 x 3096 | 8000 x 6000 |
| Zoom | Digital | Digital |
| Flash | LED | LED |
| Stabilization | Digital | Digital |
| 8K video recording | No | No |
| 4K video recording | No | Up to 30FPS |
| 1080p video recording | Up to 30FPS | Up to 30FPS |
| Slow motion | No | 960 FPS (720p) |
| Angle of widest lens | - | 120° |
| Lenses | 1 (13 MP) | 4 (48 MP + 12 MP + 5 MP + 5 MP) |
| Wide (main) lens | - 13 MP - Aperture: f/1.9 - Focal length: 28 mm - 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 | - | - 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 - Pixel size: 1.12 micron - Sensor: 1/5.0" (CMOS) |
| Camera features | - | - Bokeh mode - Pro mode |
| Megapixels | 5 megapixels | 32 megapixels |
| Image resolution | 2560 x 1920 | 6560 x 4928 |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 23 mm | 26 mm |
| Pixel size | - | 0.8 microns |
| Sensor type | CMOS | ISOCELL CMOS |
| Sensor size | - | 1/2.8" |
| Video resolution | 1080p (Full HD) at 30 FPS | 2160p (4K) at 30 FPS |
Connectivity
| Wi-Fi standard | Wi-Fi 4 (802.11 b/g/n) | Wi-Fi 5 (802.11 b/g/n/ac) |
| Wi-Fi features | - Wi-Fi Direct - Wi-Fi Hotspot |
- Dual Band - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 4.1 | 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 | Micro USB | USB Type-C |
| USB version | 2 | 2 |
| USB features | - Charging - USB-Storage mode |
- Charging - USB-Storage mode - OTG |
| GPS | GPS, GLONASS, Beidou | GPS, GLONASS, Beidou, Galileo |
| NFC* | No | Yes |
| Infrared port | No | No |
| Number of SIM* | 2 | 2 |
| Type of SIM card | Micro | Nano |
| Multi SIM mode | Standby | Standby |
| eSIM support* | No | No |
| Hybrid slot | No | No |
| LTE Cat* | 4 | 12 |
| 5G support | No | No |
Sound
| Speakers | Mono | Mono |
| Headphone audio jack | Yes | Yes |
| FM radio | Yes | Yes |
| Dolby Atmos | No | Yes |
Speakers test
Max. loudness
Other
| Category | Budget | Mid-range |
| Announced | June 2015 | December 2019 |
| Release date | June 2015 | December 2019 |
| SAR (head) | 0.612 W/kg | 0.596 W/kg |
| SAR (body) | 0.482 W/kg | 1.45 W/kg |
| Sensors | - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor |
- 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
After analyzing all the data, we think that the Samsung Galaxy A51 is definitely a better buy.
Cast your vote
Total votes: 8