OPPO A53 2020 (6GB RAM + 128GB) has better RAM than OPPO A57 4G (4GB RAM + 64 GB). In terms of display resolution, OPPO A57 4G (4GB RAM + 64 GB) has better resolution of 1612 x 720 than OPPO A53 2020 (6GB RAM + 128GB) which has resolution of 720 x 1600. OPPO A53 2020 (6GB RAM + 128GB) has more internal memory than OPPO A57 4G (4GB RAM + 64 GB)
| Name | OPPO A57 4G (4GB RAM + 64 GB) | OPPO A53 2020 (6GB RAM + 128GB) | 
| RAM | 4 GB | 6 GB | 
|---|---|---|
| Display | 6.56 in | 6.5 in | 
| Internal Memory | 64 GB | 128 GB | 
| Battery | 5000 mAh | 5000 mAh | 
| Camera | 13 MP + 2 MP Dual | 13 MP + 2 MP + 2 MP Triple | 
| Price | Rs. 16990 | Rs. 12990 | 
The launch Date of the first phone is May 27, 2022. The cost of OPPO A57 4G (4GB RAM + 64 GB) is Rs. 16990. The launch Date of the second phone is August 25, 2020. The cost of OPPO A53 2020 (6GB RAM + 128GB) is Rs. 12990.
OPPO A57 4G (4GB RAM + 64 GB) has larger screen size of 6.56 inches in comparison to OPPO A53 2020 (6GB RAM + 128GB)'s 6.5 inch screen. OPPO A57 4G (4GB RAM + 64 GB) has IPS LCD Screen type where as OPPO A53 2020 (6GB RAM + 128GB) has LCD Screen type. Both have same 269 PPI. In terms of screen to body ratio, OPPO A57 4G (4GB RAM + 64 GB) has better screen to body ratio of ~ 89.8% than OPPO A53 2020 (6GB RAM + 128GB)'s ~ 89.2%. OPPO A57 4G (4GB RAM + 64 GB) has 20:9 aspect ratio where as OPPO A53 2020 (6GB RAM + 128GB) has 20:9 aspect ratio.
OPPO A53 2020 (6GB RAM + 128GB)'s larger 6 GB RAM is better for playing games and all with respect to OPPO A57 4G (4GB RAM + 64 GB)'s lower 4 GB RAM. OPPO A53 2020 (6GB RAM + 128GB) has more Internal Memory (128 GB) than OPPO A57 4G (4GB RAM + 64 GB) (64 GB).
They both have the same 13 MP + 2 MP Dual Rear Camera. OPPO A53 2020 (6GB RAM + 128GB) will be better choice if you're looking to click lot of selfies as it has better 16 MP Front Camera in comparison to OPPO A57 4G (4GB RAM + 64 GB)'s 8 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 12 and the second one on 10 version.
| Name | OPPO A57 4G (4GB RAM + 64 GB) | OPPO A53 2020 (6GB RAM + 128GB) | 
| General | ||
| Model | A57 4G | CPH2127, A53 | 
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM | 
| Dual Sim | Yes | Yes | 
| Sim Size | Nano+Nano SIM | Nano+Nano SIM | 
| Device Type | Smartphone | Smartphone | 
| Release Date | May 27, 2022 | August 25, 2020 | 
| Design | ||
| Dimensions | 75.03 x 163.74 x 7.99 mm | 75.1 x 163.9 x 8.4 mm | 
| Weight | 187 g | 186 g | 
| Display | ||
| Type | Color IPS LCD Screen (16.7M) | Color LCD Screen (16.7M) | 
| Touch | Yes | Yes, 120 Hz Touch Sampling Rate | 
| Size | 6.56 inches, 720 x 1612 pixels, 60 Hz | 6.5 inches, 1600 x 720 pixels, 90 Hz | 
| Aspect Ratio | 20:9 | 20:9 | 
| PPI | ~ 269 PPI | ~ 269 PPI | 
| Screen to Body Ratio | ~ 89.8% | ~ 89.2% | 
| Glass Type | Panda MN228 | |
| Features | 480 nits (typ), 600 nits (HBM) | Color Saturation, Screen Proportion, Touch Screen Glass Type: Corning GG3+, 90 Hz Screen Refresh Rate , 2D Screen Protective Film, Oleophobic Layer on Film | 
| Notch | Yes, Water Drop Notch | Yes, Punch Hole | 
| Memory | ||
| RAM | 4 GB | 6 GB | 
| Expandable RAM | Upto 4 GB Extra Virtual RAM | |
| Storage | 64 GB | 128 GB | 
| Card Slot | Yes | Yes, upto 256 GB | 
| Connectivity | ||
| GPRS | Yes | Yes | 
| EDGE | Yes | Yes | 
| 3G | Yes | Yes | 
| 4G | Yes | Yes | 
| 5G | No | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By | 
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot | 
| Wifi Version | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Yes, v5.3, A2DP, LE, aptX HD | Yes, v5.0 | 
| USB | Yes, USB-C v2.0 | Yes | 
| USB Features | USB on-the-go | USB on-the-go, USB Charging | 
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS | Yes | 
| Fingerprint Sensor | Yes, Side | Yes, Rear | 
| Face Unlock | Yes | Yes | 
| Sensors | Accelerometer, Gyro, Proximity, Compass | Geomagnetic Induction, Light Induction, Proximity Sensor, Acceleration Sensor, Gravity Sensor, Gyroscope | 
| 3.5mm Headphone Jack | Yes | Yes | 
| Water Resistance | No, Life Waterproof | |
| Extra Features | UFS 2.1, Automatic Call Recording, Picture Editing, Data Backup, File Encryption, Apps Lock, Split Screen | |
| Camera | ||
| Rear Camera | 13 MP ƒ/2.2 (Wide Angle) 2 MP ƒ/2.4 (Depth Sensor) | 13 MP ƒ/2.2 (Main) 2 MP Blur 2 MP (Macro) Macro | 
| Camera Sensor | CMOS Sensor | |
| Auto Focus | Yes | Yes | 
| Features | HDR, Panorama | Professional, Panorama, Portrait, Time Lapse Photography, Slow Motion, AI Scene Recognition | 
| Video Recording | 1080p @ 30 fps FHD | 1080P, 720P | 
| Flash | Yes, LED | Yes, LED | 
| Front Camera | 8 MP ƒ/2 (Wide Angle) | 16 MP Punch Hole | 
| Front Video Recording | 1080p @ 30 fps FHD | 1080p, 720p | 
| Technical | ||
| OS | Android v12 | Android v10 | 
| Chipset | MediaTek Helio G35 | Qualcomm Snapdragon 460 | 
| CPU | 2.3 GHz, Octa Core Processor | 1.8 GHz, Octa Core Processor | 
| Core Details | 4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53 | 1.8 GHz, Quad core, Kryo 240 + 1.8 GHz, Quad core, Kryo 240 | 
| GPU | PowerVR GE8320 | Adreno 610 | 
| Java | No | No | 
| Browser | Yes | Yes | 
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | Yes | 
| Video | Yes | MP4 | 
| FM Radio | No | Yes | 
| Document Reader | Yes | Yes | 
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery | 
| Size | 5000 mAh, Li-Po Battery | 5000 mAh | 
| Fast Charging | Yes, 33W Fast Charging | Yes, 18W Fast Charging | 
| Reverse Charging | Yes | |