Samsung Galaxy A51 5G vs Samsung Galaxy S9
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out 100
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Compared 2 smartphones : Samsung Galaxy A51 5G Manufactured in June, 2020, with display 6.5 with chipsetSamsung Exynos 980, vs Samsung Galaxy S9, Manufactured in March, 2018 with chipsetSamsung Exynos 9 Octa 9810. Below are specs, tests, pros and cons for each device
Key Differences
Reasons to choose Samsung Galaxy A51 5G
- Larger display: 6.5in
- Higher battery capacity: 4500mAh vs 3000mAh
Reasons to choose Samsung Galaxy S9
- Higher pixel density: 568ppi
- Lighter design: 163g vs 187g
- Supports newer USB: 3.1 vs 2
Versions
| Memory Options | - 6/128 GB - 8/128 GB |
- 4/64 GB - 4/128 GB - 4/256 GB |
Review
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
Adjust each parameter’s importance to find the best match for you.
Tests & specs
Specs & test comparisonDisplay
| Type | Super AMOLED | Super AMOLED |
| Size | 6.5 in | 5.8 in |
| Resolution | 1080x2400 pixels | 1440x2960 pixels |
| Aspect ratio | 20:9 | 18.5:9 |
| Pixel density | 405 ppi | 568 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Adaptive refresh rate | No | No |
| Max brightness | 400 nits | 658 nits |
| HDR support | No | Yes HDR10 |
| Screen-to-body ratio | 87.3 % | 84.1 % |
| Features | Always-On Display | Always-On Display |
| PWM (Flicker) | n/a | 240 Hz |
| Response time | n/a | 7 ms |
| Contrast | n/a | ∞ Infinite |
Design & Build
| Height | 158.9 mm (6.26 in) | 147.7 mm (5.81 in) |
| Width | 73.6 mm (2.9 in) | 68.7 mm (2.7 in) |
| Thickness | 8.7 mm (0.34 in) | 8.5 mm (0.33 in) |
| Weight | 187 g (6.6 oz) | 163 g (5.75 oz) |
| Water resistance | No | IP68 |
| Back panel | Plastic | Glass |
| Frame | Metal | Metal |
| Colors | - White - Black - Pink |
- Black - Gold - Gray - Blue - Purple |
| Fingerprint sensor | Yes In-Display | Yes rear |
Screen-to-body ratio
Performance
| Chipset | Samsung Exynos 980 | Samsung Exynos 9 Octa 9810 |
| Max Frequency | 2200 MHz | 2900 MHz |
| CPU Cores | 8 (2 + 6) | 8 (4 + 4) |
| Architecture | - 6/1.8 (Cortex-A55) - 2/2.2 (Cortex-A77) |
- 4/1.9 (Cortex-A55) - 4/2.9 (Exynos M3) |
| Process | Samsung | Samsung |
| Transistor Size | 8 nm | 10 nm |
| Neural Processor | Yes | Yes |
| Graphics | Mali-G76 MP5 | Mali-G72 MP18 |
| GPU Cores | 180 | 324 |
| GPU Frequency | 700 MHz | 572 MHz |
| FLOPS | 262.1 GFLOPS | 370.6 GFLOPS |
| Geekbench 6 (Single-Core) | 863 | 734 |
| Geekbench 6 (Multi-Core) | 2112 | 1894 |
| CPU | 130998 | 137633 |
| GPU | 85094 | 168155 |
| Memory | 86339 | 86184 |
| UX | 104345 | 78524 |
| NanoReview Score | 406776 | 470496 |
| Max Surface Temp. | n/a | 39.2 °C |
| Stability | n/a | 93 % |
| Graphics Test | n/a | 13 fps |
| Graphics Score | n/a | 2272 |
| Writing score | n/a | 6325 |
| Web score | n/a | 5265 |
| Video editing | n/a | 5496 |
| Data manipulation | n/a | 5694 |
| NanoReview Score | n/a | 6347 |
Memory
| RAM Size | 6 GB | 4 GB |
| Memory Type | LPDDR4X | LPDDR4X |
| Memory Frequency | 1866 MHz | 1794 MHz |
| Channels | 2 | 2 |
| Storage Capacity | 128 GB | 64 GB |
| Storage Type | UFS 2.0 | UFS 2.1 |
| Memory Card | MicroSD | MicroSD |
Software
| OS | Android 10 (Upgradeable to Android 13) | Android 8.0 (Upgradeable to Android 10) |
| OS Size | 22.7 GB | 14 GB |
| UI Skin | One UI 5.0 | One UI 2.5 |
Battery
| Volume | 4500 mAh | 3000 mAh |
| Max Charging Power | 15 W | 15 W |
| Battery Type | Li-Po | Li-Po |
| Removable | No | No |
| Wireless Charging | No | Yes Qi/PMA (10 W) |
| Reverse Charging | No | No |
| Fast Charging | Yes (40% in 40 min) | Yes (40% in 30 min) |
| Full Charge Time | 2:05 h | 1:35 h |
| Web Browsing | 07:25 h | 05:32 h |
| Video Playback | 12:09 h | 09:42 h |
| Games | 05:11 h | 03:45 h |
| Standby Mode | 81 h | 75 h |
Main camera
| Matrix | 48 MP | 12 MP |
| Photo resolution | 8000x6000 pixels | 4000x3000 pixels |
| Zoom | Digital | Digital |
| Flash | LED | Dual LED |
| Stabilization | Digital | Optical |
| 8K Recording | No | No |
| 4K Recording | Yes (Up to 30 fps) | Yes (Up to 60 fps) |
| 1080p Recording | Yes (Up to 120 fps) | Yes (Up to 240 fps) |
| Slow Motion | 960 fps (720p) | 960 fps (720p) |
| Wide-angle lens | 123 ° | n/a |
| Lenses count | Standard: 48 MP Ultra-wide: 12 MP Macro: 5 MP Depth: 5 MP |
Standard: 12 MP |
| Features | - Bokeh effect - Pro mode |
- Bokeh effect - Pro mode |
| Matrix | 48 MP | 12 MP |
| Aperture | f/2.0 | f/1.5 - 2.4 |
| Focal length | 26 mm | 26 mm |
| Sensor | Samsung S5KGM2 | Samsung SAK2L3 |
| Sensor size | 1/2 | 1/2.55 |
| Pixel size | 0.8 μm | 1.4 μm |
| Autofocus | Phase autofocus | Phase autofocus |
| Stabilization | Digital | Optical |
| Matrix | 12 MP | n/a |
| Aperture | f/2.2 | n/a |
| Focal length | 13 mm | n/a |
| Pixel size | 1.12 μm | n/a |
| Stabilization | Digital | n/a |
Front camera
| Matrix | 32 MP | 8 MP |
| Photo resolution | 6560x4928 pixels | 3264x2448 pixels |
| Aperture | f/2.2 | f/1.7 |
| Focal length | 26 mm | 25 mm |
| Sensor | Samsung S5KGD1 | Samsung S5K3H1 |
| Sensor size | 1/2.8 | 1/3.6 |
| Pixel size | 0.8 μm | 1.22 μm |
| Autofocus | No | Phase autofocus (Dual Pixel) |
| Stabilization | Digital | Digital |
| Video resolution | 2160p (4K) at 30 fps | 1440p at 30 fps |
| TOF 3D sensor | No | No |
Connectivity
| Wi-Fi version | 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 |
| Bluetooth version | 5 | 5 |
| Bluetooth features | PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP | PBAP/PAB, PAN, OPP, MAP, LE, HSP, HID, HFP, DIP, AVRCP, A2DP |
| USB type | USB Type-C | USB Type-C |
| USB version | 2 | 3.1 |
| 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 |
| SIM Count* | 2 | 2 |
| SIM Type | Nano | Nano |
| SIM Mode | Dual SIM Standby | Dual SIM Standby |
| eSIM Support * | No | No |
| Hybrid Slot | No | Yes |
| 2G Bands | GSM 850 / 900 / 1800 / 2100 / 2600 | GSM 850, GSM 900, GSM 1800, GSM 1900 |
| 3G Bands | UMTS 850 / 900 / 1900 / 2100 | HSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100 |
| LTE Bands* | LTE (B850/B900/B1800/B2100/B2600) | LTE (B700/B800/B850/B900/B1700/B1800/B1900/B2100/B2300/B2500/B2600) |
| LTE category | 12 | 18 |
| 5G Support | Yes | No |
Sound
| Speakers | Mono | Stereo |
| 3.5 mm Jack | Yes | Yes |
| FM Radio | Yes | No |
| Dolby Atmos | Yes | Yes |
Other
| Class | Mid-range | Flagship |
| Announced | April, 2020 yr | February, 2018 yr |
| Release Date | June, 2020 yr | March, 2018 yr |
| Launch Price ($) | 499 | 720 |
| Sensors | - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
- Barometer - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
*
Attention!
Config, frequencies, NFC, and other specs may vary by region.
Results
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Survey
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