Detailed comparison and review of OPPO Reno2 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 Reno2 | OPPO A57s |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | CPH1907 | CPH2385 | |
| Form Factor | Touch | Touch | |
| Height | 160 mm | 163.74 mm | OPPO A57s has greater height than OPPO Reno2. |
| Width | 74.3 mm | 75.03 mm | OPPO A57s has greater width than OPPO Reno2. |
| Depth | 9.5 mm | 7.99 mm | OPPO A57s is narrower than OPPO Reno2. |
| Weight | 189 g | 187 g | OPPO A57s is lighter than OPPO Reno2. |
| Body Colour | Ocean blue | Luminous black | Starry black | |
| Body Material | Corning Gorilla Glass 5 | Composite polymer | |
| Waterproof (Water-resistant) | - | - | OPPO A57s is waterproof. |
| IP rating | - | IPX4 | |
| SAR Value | 1.03 W/kg (body), 0.89 W/kg (head), 2.05 W/kg (limb) | 1.015 W/kg (body), 0.957 W/kg (head), 2.399 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C Handset jack - mini-phone 3.5mm |
Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
|
| 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 Reno2 | OPPO A57s |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | AMOLED | LCD | |
| Screen Size (Display Size) | 6.5" | 6.56" | OPPO A57s has larger screen size than OPPO Reno2. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 1612 x 720 pixels | OPPO Reno2 has better screen resolution than OPPO A57s. |
| Display Format | - | HD+ | |
| Pixel Density | 401 ppi | 269 ppi | OPPO Reno2 has better pixel density than OPPO A57s. |
| Aspect Ratio | - | 20.1:9 | |
| Max Brightness | 800 cd/m² | 600 cd/m² | OPPO Reno2 has better display brightness than OPPO A57s. |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Contrast Ratio | 1400000:1 | 1500:1 | OPPO Reno2 has better display contrast ratio than OPPO A57s. |
| Display Enhancement Technology | OnCell technology | - | |
| Display Refresh Rate | - | 60 Hz | |
| Touch Sampling Rate | - | 60 Hz | |
| Display Features | - | Night mode, Eye comfort mode, 96% NTSC | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 6 (scratch resistant glass) | Panda Glass MN228 |
| PROCESSOR | OPPO Reno2 | OPPO A57s |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 730G | MediaTek Helio G35 | |
|---|---|---|---|
| Clock Speed | - | 2.3 GHz | |
| Processor Core Qty | - | 8-core | |
| Graphics System (GPU) | Qualcomm ADRENO 618 | IMG GE8320 |
| MEMORY | OPPO Reno2 | OPPO A57s |
|---|
| RAM | 8 GB | LPDDR4X SDRAM - 4 GB | OPPO Reno2 has more RAM than OPPO A57s. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 256 GB | 128 GB | OPPO Reno2 has more internal memory than OPPO A57s. |
| Memory Interface | - | eMMC 5.1 | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | OPPO Reno2 | OPPO A57s |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 2 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 50 Megapixel | OPPO A57s has better camera resolution than OPPO Reno2. |
| Sensor Size | 1/2" | 1/2.76" | OPPO A57s has better camera sensor size than OPPO Reno2. |
| Sensor Name | Sony Exmor RS IMX586 sensor | Samsung S5KJN1 | |
| Lens Aperture | F/1.7 | F/1.8 | OPPO Reno2 has better lens aperture than OPPO Reno2. |
| Lens Construction | 6-element | 5-element | |
| Field of View (FoV) | - | 77 degree(s) | |
| Pixel Size | 0.8 μm | 0.64 μm | OPPO Reno2 has larger camera pixel size than OPPO A57s. |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | OPPO Reno2 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | - | 27 mm | |
| Digital Zoom | 20x | 5x | OPPO Reno2 has better digital zoom than OPPO A57s. |
| Special Effects | HDR | Stickers | |
| Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Professional mode, Night scene mode, Portrait, Fine-Tuned Performance, Ultra dark mode, Ultra Macro Mode | Panorama, Time-lapse mode, Pro mode, Portrait, Night | |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Electronic Image Stabiliser (EIS), 5x Hybrid Zoom, NPU Acceleration, AI Noise Reduction | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 2 Megapixel | OPPO Reno2 has better second camera resolution than OPPO A57s. |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/3.2" | 1/5" | OPPO A57s has better second camera sensor size than OPPO Reno2. |
| Lens Type (2nd Camera) | Wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.4 | OPPO Reno2 has better second camera lens aperture than OPPO Reno2. |
| Lens Element Qty (2nd Camera) | - | 3-element | |
| Field of View (2nd Camera) | 116 degree(s) | 89 degree(s) | OPPO Reno2 has larger second camera lens field of view than OPPO A57s. |
| Pixel Size (2nd Camera) | 1.4 μm | 1.75 μm | OPPO A57s has larger second camera pixel size than OPPO Reno2. |
| Minimum Focal Length (2nd Camera) | - | 21 mm | |
| Camera Functions (2nd Camera) | - | Monochrome |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 13 Megapixel | - | |
|---|---|---|---|
| Sensor Size (3rd Camera) | 1/3.4" | - | |
| Lens Type (3rd Camera) | Telephoto lens | - | |
| Lens Aperture (3rd Camera) | F/2.4 | - | |
| Pixel Size (3rd Camera) | 1 μm | - |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Sensor Size (4th Camera) | 1/5" | - | |
| Lens Type (4th Camera) | Bokeh lens | - | |
| Lens Aperture (4th Camera) | F/2.4 | - | |
| Pixel Size (4th Camera) | 1.75 μm | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Front Camera Design | Pop-up | - | |
| Sensor Resolution (Front) | 16 Megapixel | 8 Megapixel | OPPO Reno2 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 | 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) | Video bokeh effect | Stickers | |
| Camera Modes (Front) | Portrait Mode 2.0, AI Beauty | Panorama, Time-lapse mode, Portrait | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps |
| BATTERY AND CHARGING | OPPO Reno2 | OPPO A57s |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 5000 mAh | OPPO A57s has larger battery capacity than OPPO Reno2. |
|---|---|---|---|
| Fast Charging Technology | VOOC Flash Charge technology 3.0 | SuperVOOC Flash Charge technology | Both phones have fast charging technology. |
| Standby Time | - | 304 hours | |
| Talk Time | - | 1800 minutes | |
| Run Time Details | Gaming: up to 8 hrs Playback (video): up to 13 hrs |
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 Reno2 | OPPO A57s |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | ColorOS 6.1 (based on Android 9) | ColorOS 12.1 (based on Android 12) | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | OPPO Reno2 | OPPO A57s |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | VoLTE, FDD-LTE, TDD-LTE, VoWiFi | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 800, 900, 800 | 2100, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 26, Band 28, Band 32, 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 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, 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 5.0 | Bluetooth 5.3 BLE | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | OPPO Reno2 | OPPO A57s |
|---|
| 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 | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, FLV, AVI, MOV, ASF, 3GP, M4V, TS, M2TS, WebM, MP4 | |
| Sound Enhancements | Dolby Atmos sound technology, Hi-Res audio | Dirac sound technologies |
| FEATURES | OPPO Reno2 | OPPO A57s |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, electromagnetic compass | Accelerometer, proximity sensor, magnetometer, gravity sensor, brightness sensor | |
| Security Devices | Fingerprint reader (under display) | Face recognition, fingerprint reader (side) | |
| Additional Phone Features | Fingerprint 3.0, Game Boost 2.0, SLA Dual Channel Network 2.0, cooling gel | 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 Reno2 | OPPO A57s |
|---|
| Included Accessories | Headset, carrying case, USB cable, power adapter, SIM card removal tool, screen protector (pre-applied) | SIM card removal tool, USB-C charging cable, protective film, SuperVOOC 33W power adapter | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland Full Care Display Certification | IPX4 |
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