In depth comparison and review of OPPO A15 and OPPO A57s. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
DESIGN AND DIMENSIONS | OPPO A15 | OPPO A57s |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | CPH2185 | CPH2385 | |
Form Factor | Touch | Touch | |
Height | 164 mm | 163.74 mm | OPPO A15 has greater height than OPPO A57s. |
Width | 75.4 mm | 75.03 mm | OPPO A15 has greater width than OPPO A57s. |
Depth | 7.9 mm | 7.99 mm | OPPO A15 is narrower than OPPO A15. |
Weight | 175 g | 187 g | OPPO A15 is lighter than OPPO A15. |
Body Colour | Dynamic black | Starry black | |
Body Material | - | Composite polymer | |
Waterproof (Water-resistant) | - | - | OPPO A57s is waterproof. |
IP rating | - | IPX4 | |
SAR Value | 1.16 W/kg (body), 2.77 W/kg (limb), 0.92 W/kg (head) | 1.015 W/kg (body), 0.957 W/kg (head), 2.399 W/kg (limb) | |
Connector Type | Micro-USB Handset jack - mini-phone 3.5mm |
Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
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SIM Card Type (Size) | Nano SIM | Nano SIM | |
SIM Card Qty | Dual-SIM | Dual-SIM | |
SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
DISPLAY | OPPO A15 | OPPO A57s |
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Display Type | LCD display | LCD display | |
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Display Technology | LCD | LCD | |
Screen Size (Display Size) | 6.52" | 6.56" | OPPO A57s has larger screen size than OPPO A15. |
Screen Resolution (Display Resolution) | 1600 x 720 pixels | 1612 x 720 pixels | OPPO A57s has better screen resolution than OPPO A15. |
Display Format | HD+ | HD+ | |
Pixel Density | 269 ppi | 269 ppi | Both phones have the same pixel density. |
Aspect Ratio | - | 20.1:9 | |
Max Brightness | 480 cd/m² | 600 cd/m² | OPPO A57s has better display brightness than OPPO A15. |
Colour Depth | - | 16.7 million colours | |
Contrast Ratio | 1500:1 | 1500:1 | Both phones have the same display contrast ratio. |
Display Refresh Rate | 60 Hz | 60 Hz | Both phones have the same refresh rate. |
Touch Sampling Rate | - | 60 Hz | |
Display Features | Dark mode, Waterdrop Screen | Night mode, Eye comfort mode, 96% NTSC | |
Display Protection (Screen Protector) | - | Panda Glass MN228 |
PROCESSOR | OPPO A15 | OPPO A57s |
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Processor Type (CPU) | MediaTek Helio P35 | MediaTek Helio G35 | |
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Processor Number | MT6765 | - | |
Clock Speed | 2.3 GHz | 2.3 GHz | Both phones have the same clock speed. |
Processor Core Qty | - | 8-core | |
Graphics System (GPU) | IMG GE8320 | IMG GE8320 |
MEMORY | OPPO A15 | OPPO A57s |
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RAM | LPDDR4X SDRAM - 3 GB | LPDDR4X SDRAM - 4 GB | OPPO A57s has more RAM than OPPO A15. |
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Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | OPPO A57s has more internal memory than OPPO A15. |
Memory Interface | - | eMMC 5.1 | |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSD, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 1 TB |
CAMERA | OPPO A15 | OPPO A57s |
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MAIN CAMERA |
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Number of Main Cameras | 3 | 2 | |
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Sensor Resolution | 13 Megapixel | 50 Megapixel | OPPO A57s has better camera resolution than OPPO A15. |
Sensor Size | - | 1/2.76" | |
Sensor Name | - | Samsung S5KJN1 | |
Lens Aperture | F/2.2 | F/1.8 | OPPO A57s has better lens aperture than OPPO A15. |
Lens Construction | 5-element | 5-element | |
Field of View (FoV) | - | 77 degree(s) | |
Pixel Size | - | 0.64 μm | |
Focus Adjustment | Automatic | Automatic | |
Minimum Focal Length (Focal Distance) | - | 27 mm | |
Digital Zoom | - | 5x | |
Special Effects | HDR, Portrait bokeh | Stickers | |
Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Expert Mode, Portrait, Night | Panorama, Time-lapse mode, Pro mode, Portrait, Night | |
Light Source | LED flash | LED flash | |
Video Resolutions | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
Camera Features (Functions) | AI Triple camera, AI Scene Enhancement | - |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same second camera resolution. |
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Sensor Size (2nd Camera) | - | 1/5" | |
Lens Aperture (2nd Camera) | F/2.4 | F/2.4 | Both phones have the same second camera lens aperture. |
Lens Element Qty (2nd Camera) | 3-element | 3-element | |
Field of View (2nd Camera) | - | 89 degree(s) | |
Pixel Size (2nd Camera) | - | 1.75 μm | |
Minimum Focal Length (2nd Camera) | - | 21 mm | |
Camera Functions (2nd Camera) | Macro camera | Monochrome | |
Camera Features (2nd Camera) | 4cm macro photography | - |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | 2 Megapixel | - | |
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Lens Aperture (3rd Camera) | F/2.4 | - | |
Lens Element Qty (3rd Camera) | 3-element | - | |
Camera Functions (3rd Camera) | Depth camera | - |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 5 Megapixel | 8 Megapixel | OPPO A57s has better front camera resolution than OPPO A15. |
Sensor Size (Front) | - | 1/1.4" | |
Sensor Name (Front) | - | Omnivision OV08D10 sensor | |
Lens Aperture (Front) | F/2.4 | F/2.0 | OPPO A57s has better front lens aperture than OPPO A15. |
Lens Element Qty (Front) | 3-element | 5-element | |
Field of View (Front) | - | 79 degree(s) | |
Pixel Size (Front) | - | 1.12 μm | |
Focus Adjustment | - | Focus free | |
Min Focal Length (Front) | - | 26 mm | |
Special Effects (Front) | - | Stickers | |
Camera Modes (Front) | - | Panorama, Time-lapse mode, Portrait | |
Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
Camera Features (Front) | AI beautification | - |
BATTERY AND CHARGING | OPPO A15 | OPPO A57s |
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Battery Capacity (Battery Size) | 4230 mAh | 5000 mAh | OPPO A57s has larger battery capacity than OPPO A15. |
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Fast Charging Technology | - | SuperVOOC Flash Charge technology | OPPO A57s has fast charging technology. |
Standby Time | - | 304 hours | |
Talk Time | - | 1800 minutes | |
Run Time Details | - | Talk: up to 1800 min Standby (4G): up to 304 hrs Playback (video): up to 13.4 hrs Playback (audio (via speakers, 50% volume)): up to 40 hrs |
CELLULAR | OPPO A15 | OPPO A57s |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
Operating System | ColorOS 7.2 (based on Android 10) | ColorOS 12.1 (based on Android 12) | |
Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
COMMUNICATIONS | OPPO A15 | OPPO A57s |
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Data Transmission | FDD-LTE, TDD-LTE | VoLTE, FDD-LTE, TDD-LTE, VoWiFi | |
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2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
3G UMTS Band | Band 1, Band 5, Band 8 | Band 1, Band 5, Band 8 | |
3G UMTS Frequency | 2100, 850, 900 | 2100, 850, 900 | |
4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
Wireless Interface | Wi-Fi | IEEE 802.11a/b/g/n/ac | |
Bluetooth | Bluetooth 5.0 | Bluetooth 5.3 BLE | |
NFC | - | Yes | OPPO A57s has NFC reader for mobile payments. |
MEDIA | OPPO A15 | OPPO A57s |
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Supported Digital Audio Standards | AAC, apt-X, LDAC, SBC | WAV, WMA, AAC, AMR, MP3, FLAC, AC-3, OGG, MIDI, APE (Monkey's Audio), LDAC, OPUS, MID, SBC, apt-X HD | |
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Supported Digital Video Standards | - | MKV, FLV, AVI, MOV, ASF, 3GP, M4V, TS, M2TS, WebM, MP4 | |
Sound Enhancements | - | Dirac sound technologies |
FEATURES | OPPO A15 | OPPO A57s |
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Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
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Sensors | - | Accelerometer, proximity sensor, magnetometer, gravity sensor, brightness sensor | |
Security Devices | Face recognition, fingerprint reader | Face recognition, fingerprint reader (side) | |
Security Technology | AI face unlock | - | |
Additional Phone Features | HyperBoost 2.1 | Noise reduction microphone, Fast Charging, 3 years of Security Updates, 2 years of OS upgrades, Cooling Graphite Thermal Pad, Reverse charging, super-linear dual speakers |
OTHERS | OPPO A15 | OPPO A57s |
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Included Accessories | Protective cover, USB cable, power adapter, SIM card removal tool | SIM card removal tool, USB-C charging cable, protective film, SuperVOOC 33W power adapter | |
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Compliant Standards | - | IPX4 |