Detailed comparison and review of OPPO R11s and OPPO A57s. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
DESIGN AND DIMENSIONS | OPPO R11s | OPPO A57s |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | - | CPH2385 | |
Form Factor | Touch | Touch | |
Height | 155.1 mm | 163.74 mm | OPPO A57s has greater height than OPPO R11s. |
Width | 75.5 mm | 75.03 mm | OPPO R11s has greater width than OPPO A57s. |
Depth | 7.1 mm | 7.99 mm | OPPO R11s is narrower than OPPO R11s. |
Weight | 153 g | 187 g | OPPO R11s is lighter than OPPO R11s. |
Body Colour | Champagne | Starry black | |
Body Material | Aluminium | Composite polymer | |
Waterproof (Water-resistant) | - | - | OPPO A57s is waterproof. |
IP rating | - | IPX4 | |
SAR Value | - | 1.015 W/kg (body), 0.957 W/kg (head), 2.399 W/kg (limb) | |
Connector Type | Micro-USB - 5 pin Micro-USB Type B | 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 R11s | OPPO A57s |
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Display Type | OLED display | LCD display | |
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Display Technology | AMOLED | LCD | |
Screen Size (Display Size) | 6.01" | 6.56" | OPPO A57s has larger screen size than OPPO R11s. |
Screen Resolution (Display Resolution) | 2160 x 1080 pixels | 1612 x 720 pixels | OPPO R11s has better screen resolution than OPPO A57s. |
Display Format | - | HD+ | |
Pixel Density | - | 269 ppi | |
Aspect Ratio | 18:9 | 20.1:9 | |
Max Brightness | - | 600 cd/m² | |
Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
Contrast Ratio | - | 1500:1 | |
Display Refresh Rate | - | 60 Hz | |
Touch Sampling Rate | - | 60 Hz | |
Display Features | - | Night mode, Eye comfort mode, 96% NTSC | |
Display Protection (Screen Protector) | - | Panda Glass MN228 |
PROCESSOR | OPPO R11s | OPPO A57s |
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Processor Type (CPU) | Qualcomm Snapdragon 660 | MediaTek Helio G35 | |
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Clock Speed | 2.2 GHz | 2.3 GHz | OPPO A57s has higher clock speed than OPPO R11s. |
Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
Graphics System (GPU) | Qualcomm ADRENO 512 | IMG GE8320 |
MEMORY | OPPO R11s | OPPO A57s |
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RAM | 4 GB | LPDDR4X SDRAM - 4 GB | Both phones have the same RAM size. |
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Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | OPPO A57s has more internal memory than OPPO R11s. |
Memory Interface | - | eMMC 5.1 | |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 1 TB |
CAMERA | OPPO R11s | OPPO A57s |
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MAIN CAMERA |
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Number of Main Cameras | 2 | 2 | |
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Sensor Resolution | 20 Megapixel | 50 Megapixel | OPPO A57s has better camera resolution than OPPO R11s. |
Sensor Size | - | 1/2.76" | |
Sensor Name | - | Samsung S5KJN1 | |
Lens Aperture | F/1.7 | F/1.8 | OPPO R11s has better lens aperture than OPPO R11s. |
Lens Construction | - | 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 | Bokeh effect | Stickers | |
Camera Modes | - | 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) | OPPO Portrait Lab | - |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | 16 Megapixel | 2 Megapixel | OPPO R11s has better second camera resolution than OPPO A57s. |
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Sensor Size (2nd Camera) | - | 1/5" | |
Lens Aperture (2nd Camera) | - | F/2.4 | |
Lens Element Qty (2nd Camera) | - | 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) | - | Monochrome |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 20 Megapixel | 8 Megapixel | OPPO R11s has better front camera resolution than OPPO A57s. |
Sensor Size (Front) | - | 1/1.4" | |
Sensor Name (Front) | - | Omnivision OV08D10 sensor | |
Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
Lens Element Qty (Front) | - | 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) | A.I. beauty recognition technology | - |
BATTERY AND CHARGING | OPPO R11s | OPPO A57s |
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Battery Capacity (Battery Size) | 3205 mAh | 5000 mAh | OPPO A57s has larger battery capacity than OPPO R11s. |
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Fast Charging Technology | VOOC Flash Charge technology | SuperVOOC Flash Charge technology | Both phones have 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 R11s | 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 3.2 (based on Android 7.1) | ColorOS 12.1 (based on Android 12) | |
Navigation | GPS | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
COMMUNICATIONS | OPPO R11s | OPPO A57s |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 | |
3G UMTS Frequency | - | 2100, 850, 900 | |
4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 39, 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 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 1900, 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 | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
Bluetooth | Bluetooth 4.2 | Bluetooth 5.3 BLE | |
NFC | - | Yes | OPPO A57s has NFC reader for mobile payments. |
Messaging Services | SMS, MMS | - |
MEDIA | OPPO R11s | OPPO A57s |
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Supported Digital Audio Standards | - | 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 R11s | 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 | Ambient light sensor, proximity sensor, digital compass, gyro sensor, G-sensor | Accelerometer, proximity sensor, magnetometer, gravity sensor, brightness sensor | |
Security Devices | Face recognition | Face recognition, fingerprint reader (side) | |
Security Technology | A.I. face recognition | - | |
Additional Phone Features | MIMO technology, Smart Power Saving Mode, Split Screen, OPPO Share | 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 R11s | OPPO A57s |
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Included Accessories | Headset, carrying case, 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 |