OPPO A55 4G vs Vivo S1
Quick Comparison
Both OPPO A55 4G and Vivo S1 comes with same RAM. In terms of display resolution, Vivo S1 has better resolution of 2340 x 1080 than OPPO A55 4G which has resolution of 1600 x 720. Vivo S1 has more internal memory than OPPO A55 4G
| Name | OPPO A55 4G | Vivo S1 |
| RAM | 4 GB | 4 GB |
|---|---|---|
| Display | 6.51 in | 6.38 in |
| Internal Memory | 64 GB | 128 GB |
| Battery | 5000 mAh | 4500 mAh |
| Camera | 50 MP + 2 MP + 2 MP Triple | 16 MP + 8 MP + 2 MP Triple |
| Price | Rs. 10990 | Rs. 8999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is October 1, 2021 . The cost of OPPO A55 4G is Rs. 10990. The launch Date of the second phone is August 7, 2019. The cost of Vivo S1 is Rs. 8999.
Display comparison
Vivo S1 has screen size of 6.38 inches which falls short to OPPO A55 4G's 6.51 inch screen. OPPO A55 4G has IPS LCD Screen type where as Vivo S1 has Super AMOLED Screen type. Vivo's phone has display density of 404 PPI & OPPO's phone has only 269 PPI display density. In terms of screen to body ratio, OPPO's phone has better screen to body ratio of ~ 89.2% than Vivo's phone ~ 83.3%. OPPO A55 4G has 20:9 aspect ratio where as Vivo S1 has 19.5:9 aspect ratio.
Memory comparison
Both phones come with 4 GB RAM Vivo S1 has more Internal Memory (128 GB) than OPPO A55 4G (64 GB).
Camera comparison
OPPO A55 4G's 50 MP + 2 MP + 2 MP Triple Rear Camera outshines Vivo S1's 16 MP + 8 MP + 2 MP Triple Rear Camera in terms of resolution. Vivo S1 will be better choice if you're looking to click lot of selfies as it has better 32 MP Front Camera in comparison to OPPO A55 4G's 16 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 11 and the second one on 9.0 version.
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Full Comparison
| Name | OPPO A55 4G | Vivo S1 |
| General | ||
| Model | A55 4G | S1 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | October 1, 2021 | August 7, 2019 |
| Design | ||
| Dimensions | 75.7 x 163.9 x 8.4 mm | 75.2 x 159.5 x 8.1 mm |
| Weight | 193 g | 179 g |
| Display | ||
| Type | Color IPS LCD Screen (16M Colors) | Color Super AMOLED Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.51 inches, 720 x 1600 pixels, 60 Hz | 6.38 inches, 1080 x 2340 pixels |
| Aspect Ratio | 20:9 | 19.5:9 |
| PPI | ~ 269 PPI | ~ 404 PPI |
| Screen to Body Ratio | ~ 89.2% | ~ 83.3% |
| Features | Full HD+, Always-on display | |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
| Memory | ||
| RAM | 4 GB | 4 GB |
| Storage | 64 GB | 128 GB |
| Card Slot | Yes, upto 256 GB | Yes, upto 256 GB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | No | |
| VoLTE | Yes | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0, A2DP, LE, aptX HD | Yes, v5.0 |
| USB | Yes, USB-C v2.0 | Yes, microUSB v2.0 |
| USB Features | USB on-the-go, USB Charging | USB on-the-go |
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Fingerprint Sensor | Yes, Side | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Geomagnetic Sensor, Light Sensor, Proximity Sensor, Accelerometer, Gravity Sensor, Compass | Accelerometer, Proximity, Compass, Gyroscope, Ambient Light Sensor |
| 3.5mm Headphone Jack | Yes | Yes |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 (Depth Sensor) | 16 MP ƒ/1.8 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 2 MP ƒ/2.4 (Depth Sensor) |
| Auto Focus | Yes | Yes |
| Features | Night, Portrait, Panoramic, Macro, Sticker, Time-lapse, Expert | HDR, Panorama |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 16 MP ƒ/2 (Wide Angle) Punch Hole | 32 MP ƒ/2 |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v11 | Android v9.0 (Pie) |
| Chipset | MediaTek Helio G35 | Mediatek Helio P65 |
| CPU | 2.3 GHz, Octa Core Processor | 2 GHz, Octa Core Processor |
| Core Details | Arm Cortex-A53 | 2 GHz, Dual core, Cortex A75 + 1.7 GHz, Hexa Core, Cortex A55 |
| GPU | IMG PowerVR GE8320 | Mali-G52 MC2 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes, supports HTML5 |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | No | Yes |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-Po Battery | 4500 mAh, Li-Po Battery |
| Fast Charging | Yes, 18W Fast Charge | Yes, 18W Dual-Engine Fast Charging |