OPPO R15x has better RAM than Oppo A31 (2020). In terms of display resolution, OPPO R15x has better resolution of 2340 x 1080 than Oppo A31 (2020) which has resolution of 1600 x 720. OPPO R15x has more internal memory than Oppo A31 (2020)
| Name | Oppo A31 (2020) | OPPO R15x |
| RAM | 4 GB | 6 GB |
|---|---|---|
| Display | 6.5 in | 6.4 in |
| Internal Memory | 64 GB | 128 GB |
| Battery | 4230 mAh | 3600 mAh |
| Camera | 12 MP + 2 MP + 2 MP Triple | 16 MP + 2 MP Dual |
| Price | Rs. 8999 | Rs. 30245 |
The launch Date of the first phone is March 6, 2020. The cost of Oppo A31 (2020) is Rs. 8999. The launch Date of the second phone is October, 2018 . The cost of OPPO R15x is Rs. 30245.
Oppo A31 (2020) has larger screen size of 6.5 inches in comparison to OPPO R15x's 6.4 inch screen. Oppo A31 (2020) has IPS LCD Screen type where as OPPO R15x has Super AMOLED Screen type. OPPO R15x has display density of 402 PPI & Oppo A31 (2020) has only 270 PPI display density. In terms of screen to body ratio, Oppo A31 (2020) has better screen to body ratio of ~ 89% than OPPO R15x's ~ 84.5%. Oppo A31 (2020) has 20:9 aspect ratio where as OPPO R15x has 19.5:9 aspect ratio.
OPPO R15x's larger 6 GB RAM is better for playing games and all with respect to Oppo A31 (2020)'s lower 4 GB RAM. OPPO R15x has more Internal Memory (128 GB) than Oppo A31 (2020) (64 GB).
OPPO R15x's 16 MP + 2 MP Dual Rear Camera outshines Oppo A31 (2020)'s 12 MP + 2 MP + 2 MP Triple Rear Camera in terms of resolution. OPPO R15x will be better choice if you're looking to click lot of selfies as it has better 25 MP Front Camera in comparison to Oppo A31 (2020)'s 8 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version v9.0 (Pie) and the second one on 8.1 version.
| Name | Oppo A31 (2020) | OPPO R15x |
| General | ||
| Model | A31 2020 | K1 |
| 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 | March 6, 2020 | October, 2018 |
| Design | ||
| Dimensions | 75.5 x 163.9 x 8.3 mm | 75.5 x 158.3 x 7.4 mm |
| Weight | 180 g | 156 g |
| Display | ||
| Type | Color IPS LCD Screen | Color Super AMOLED Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.5 inches, 720 x 1600 pixels | 6.4 inches, 1080 x 2340 pixels |
| Aspect Ratio | 20:9 | 19.5:9 |
| PPI | ~ 270 PPI | ~ 402 PPI |
| Screen to Body Ratio | ~ 89% | ~ 84.5% |
| Notch | Yes, Water Drop Notch | Yes, Water Drop Notch |
| Memory | ||
| RAM | 4 GB | 6 GB |
| Storage | 64 GB | 128 GB |
| Card Slot | Yes, upto 256 GB | No |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| VoLTE | Yes | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0 | Yes, v5.0 |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| USB Features | USB Charging | USB on-the-go |
| Extra | ||
| GPS | yes with A-GPS | yes with A-GPS, Glonass |
| Fingerprint Sensor | Yes, Rear | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Light sensor, Proximity sensor, Accelerometer | Accelerometer, Proximity, Compass |
| 3.5mm Headphone Jack | Yes | Yes |
| Camera | ||
| Rear Camera | 12 MP ƒ/1.8 (Main) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 (Depth Sensor) | 16 MP ƒ/1.7 2 MP (Depth Sensor) |
| Auto Focus | Yes | Yes, yes Phase Detection autofocus |
| Features | Digital Zoom, Auto Flash, Face detection, Touch to focus | Digital Zoom, Auto Flash, Face detection, Touch to focus |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 8 MP ƒ/2 (Main) | 25 MP ƒ/2 |
| Front Video Recording | 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v9.0 (Pie) | Android v8.1 (Oreo) |
| Chipset | MediaTek Helio P35 | Qualcomm Snapdragon 660 |
| CPU | 2.3 GHz, Octa Core Processor | 2.2 GHz, Octa Core Processor |
| Core Details | 4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53 | 4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260 |
| GPU | PowerVR GE8320 | Qualcomm Adreno 512 |
| Java | No | No |
| Browser | Yes | Yes, supports HTML5 |
| Multimedia | ||
| Supports | MMS, IM | |
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | Yes | Yes |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 4230 mAh, Li-ion Battery | 3600 mAh, Li-Po Battery |