This is a side-by-side specs comparison of the Vivo S1 Pro and Samsung Galaxy A51 smartphones.
The Vivo S1 Pro features a 6.38-inch display, 4,500mAh battery, 18W charging rate and Qualcomm Snapdragon 665 chipset.
Meanwhile, the Samsung Galaxy A51 features a slightly larger 6.5-inch display, 4,000mAh battery, 15W charging rate and Samsung Exynos 9611 chipset. It is slightly more expensive.
| Specs | Vivo S1 Pro | Samsung Galaxy A51 |
|---|---|---|
| Picture & Ratings |
★★★★★ 3.5/5 stars (172)
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★★★★★ 3.4/5 stars (506)
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| Design and Display | ||
| Display | 6.38-inch FHD+ Super AMOLED Display with 19.5:9 Aspect Ratio & Notch | 6.5-inch FHD+ Super AMOLED Display (1080 x 2400 Pixels, 405 ppi) with Corning Gorilla Glass 3, 20:9 Aspect Ratio and Punch-hole |
| Size | 159.25 x 75.19 x 8.68 mm | 158.5 x 73.6 x 7.9 mm |
| Weight | 186.7 g | 172 g |
| Build | Glossy Plastic | Glossy Plastic |
| Durability | ||
| Colors | Fancy Sky and Knight Black | Prism Crush Black and Prism Crush Blue |
| Our pick: |
✔
Samsung Galaxy A51 The Samsung Galaxy A51 has a larger and sharper display. It is also lighter and thinner. |
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| Performance | ||
| Chipset | Qualcomm Snapdragon 665 | Samsung Exynos 9611 |
| CPU | Octa Core CPU 4x Kryo 260 Gold @ 2.0GHz & 4x Kryo 260 Silver @ 1.8GHz |
Octa Core CPU 4x Cortex-A73 @ 2.3GHz & 4x Cortex-A53 @ 1.7GHz |
| GPU | Adreno 610 | Mali-G72 MP3 |
| RAM | 8 GB | 6 GB |
| Storage | 128GB | 128GB |
| Expansion | 256GB via microSD | 512GB via microSD |
| OS | Android 9.0 Pie with Funtouch OS 9.2 | Android 9.0 Pie with One UI |
| Our pick: |
✔
Samsung Galaxy A51
The Samsung Galaxy A51 has slightly better performance, although the Vivo S1 Pro has a higher RAM capacity. |
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| Cameras | ||
| Rear Camera | Quad Cameras: 48MP Main Camera (f/1.8 Aperture, PDAF) 8MP Ultra-wide (f/2.2 Aperture, 108° FOV) 2MP Macro (f/2.4 Aperture) 2MP Depth Sensor -LED Flash -4K Video Recording |
Quad Cameras: 48MP Main Camera (f/2.0 Aperture, PDAF) 12MP Ultra-wide (f/2.2 Aperture, 123° FOV) 5MP Macro (f/2.4 Aperture) 5MP Depth Sensor -LED Flash |
| Front Camera |
32 Megapixels (f/2.0 Aperture) |
32 Megapixels (f/2.2 Aperture) |
| Our pick: |
Tie
The two phones have closely matched camera systems. Vivo S1 Pro offers a wider-aperture main camera, while Samsung Galaxy A51 has a wider 123° ultrawide camera. Actual camera quality may still differ due to image processing and real-world performance. |
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| Connectivity | ||
| Networks | 4G LTE (with VoLTE), 3G HSPA+, 2G EDGE & GPRS Networks | 4G LTE, 3G HSPA+, 2G EDGE & GPRS Networks |
| Wi-Fi | Wi-Fi 802.11 b/g/n/ac (Dual Band) | Wi-Fi 802.11 b/g/n/ac (Dual Band) |
| SIM | Dual SIM (Nano-SIM) | Dual SIM (Nano-SIM) |
| NFC | No | Yes |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 |
| Infrared | ||
| Location | A-GPS, GLONASS, Galileo & BeiDou | A-GPS, GLONASS, Galileo 7 BeiDou |
| Our pick: |
✔
Samsung Galaxy A51
The Samsung Galaxy A51 has NFC support. |
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| Audio and Features | ||
| USB OTG | Yes | Yes |
| USB | USB Type-C | USB Type-C |
| 3.5mm Audio Jack | Yes | Yes |
| Audio Enhancement | None | None |
| FM Radio | Yes | Yes |
| Sensors |
Face Recognition & Fingerprint Sensor Proximity Sensor & Ambient Light Sensor Compass, Gyroscope & Accelerometer |
Face Recognition & Fingerprint Sensor Proximity Sensor & Ambient Light Sensor Compass, Gyroscope & Accelerometer |
| Our pick: |
Tie
Both phones offer a similar overall combination of audio, USB and sensor features. |
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| Battery and Charging | ||
| Battery | 4500 mAh Li-Po Battery (Non-removable) | 4000 mAh Li-Po Battery (Non-removable) |
| Charging | 18W Fast Charging (Dual Engine) | 15W Fast Charging |
| Our pick: |
✔
Vivo S1 Pro
The Vivo S1 Pro has a larger battery capacity and faster charging. |
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| Price and Availability | ||
| Price | ₱15,999.00 - Official Price in the Philippines | ₱17,990.00 - Official Price in the Philippines |
| Release Date | November 20, 2019 | June 27, 2020 |
| Buy Online |
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