In depth comparison and review of OnePlus 6T 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 | OnePlus 6T | OPPO A57s |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | CPH2385 | |
| Form Factor | Touch | Touch | |
| Height | 157.5 mm | 163.74 mm | OPPO A57s has greater height than OnePlus 6T. |
| Width | 74.8 mm | 75.03 mm | OPPO A57s has greater width than OnePlus 6T. |
| Depth | 8.2 mm | 7.99 mm | OPPO A57s is narrower than OnePlus 6T. |
| Weight | 185 g | 187 g | OnePlus 6T is lighter than OnePlus 6T. |
| Body Colour | Mirror black | Starry black | |
| Body Material | Glass | 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 | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
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 | OnePlus 6T | OPPO A57s |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Optic AMOLED | LCD | |
| Screen Size (Display Size) | 6.41" | 6.56" | OPPO A57s has larger screen size than OnePlus 6T. |
| Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 1612 x 720 pixels | OnePlus 6T has better screen resolution than OPPO A57s. |
| Display Format | - | HD+ | |
| Pixel Density | 402 ppi | 269 ppi | OnePlus 6T has better pixel density than OPPO A57s. |
| Aspect Ratio | 19.5:9 | 20.1:9 | |
| Max Brightness | - | 600 cd/m² | |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | - | 1500:1 | |
| Display Enhancement Technology | Adaptive mode | - | |
| Display Refresh Rate | - | 60 Hz | |
| Touch Sampling Rate | - | 60 Hz | |
| Display Features | 2.5D Glass, Reading mode, night mode | Night mode, Eye comfort mode, 96% NTSC | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 6 (scratch resistant glass) | Panda Glass MN228 |
| PROCESSOR | OnePlus 6T | OPPO A57s |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 845 | MediaTek Helio G35 | |
|---|---|---|---|
| Clock Speed | 2.8 GHz | 2.3 GHz | OnePlus 6T has higher clock speed than OPPO A57s. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | OnePlus 6T has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 630 | IMG GE8320 |
| MEMORY | OnePlus 6T | OPPO A57s |
|---|
| RAM | LPDDR4X SDRAM - 6 GB | LPDDR4X SDRAM - 4 GB | OnePlus 6T has more RAM than OPPO A57s. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 128 GB | Both phones have the same internal memory capacity. |
| Memory Interface | - | eMMC 5.1 | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | OnePlus 6T | OPPO A57s |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 2 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 50 Megapixel | OPPO A57s has better camera resolution than OnePlus 6T. |
| Sensor Size | - | 1/2.76" | |
| Sensor Name | Sony Exmor RS IMX519 sensor | Samsung S5KJN1 | |
| Lens Aperture | F/1.7 | F/1.8 | OnePlus 6T has better lens aperture than OnePlus 6T. |
| Lens Construction | - | 5-element | |
| Field of View (FoV) | - | 77 degree(s) | |
| Pixel Size | - | 0.64 μm | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | OnePlus 6T has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | - | 27 mm | |
| Digital Zoom | - | 5x | |
| Special Effects | Portrait, HDR | Stickers | |
| Camera Modes | Panorama, Time-lapse mode, Pro mode, portrait 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, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1280 x 720 (720p) at 480 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Electronic Image Stabiliser (EIS), RAW image capture, Detect Contrast Auto-Focus (DCAF), Dynamic Denoise, Clear Image | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 20 Megapixel | 2 Megapixel | OnePlus 6T has better second camera resolution than OPPO A57s. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/5" | |
| Sensor Name (2nd Camera) | Sony Exmor RS IMX376K sensor | - | |
| Lens Type (2nd Camera) | Wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/1.7 | F/2.4 | OnePlus 6T has better second camera lens aperture than OnePlus 6T. |
| 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 | |
| Camera Features (2nd Camera) | Phase Detect Auto-Focus (PDAF) | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 8 Megapixel | OnePlus 6T has better front camera resolution than OPPO A57s. |
| Sensor Size (Front) | - | 1/1.4" | |
| Sensor Name (Front) | Sony Exmor RS IMX371 sensor | Omnivision OV08D10 sensor | |
| Lens Aperture (Front) | - | F/2.0 | |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | - | 79 degree(s) | |
| Pixel Size (Front) | - | 1.12 μm | |
| Focus Adjustment | Focus free | Focus free | |
| Min Focal Length (Front) | - | 26 mm | |
| Special Effects (Front) | HDR | Stickers | |
| Camera Modes (Front) | Time-lapse mode, Face Beauty | Panorama, Time-lapse mode, Portrait | |
| Face Recognition (Face ID) | Smile Capture | - | OnePlus 6T has face detection. |
| Light Source (Front) | Display flash | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | Electronic Image Stabiliser (EIS) | - |
| BATTERY AND CHARGING | OnePlus 6T | OPPO A57s |
|---|
| Battery Capacity (Battery Size) | 3700 mAh | 5000 mAh | OPPO A57s has larger battery capacity than OnePlus 6T. |
|---|---|---|---|
| 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 | OnePlus 6T | OPPO A57s |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | OxygenOS (based on Android Pie) | ColorOS 12.1 (based on Android 12) | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | OnePlus 6T | OPPO A57s |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE | VoLTE, FDD-LTE, TDD-LTE, VoWiFi | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8, Band 9, Band 19 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900, 1700, 800 | 2100, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 30, Band 32, Band 34, Band 38, Band 39, Band 40, Band 41, Band 46, Band 66, Band 71 | 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 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 2300 WCS, FDD 1500 L, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 5150, FDD 1700 - 2110 AWS-3, FDD 600 | 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 | OnePlus 6T | OPPO A57s |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, MP3, FLAC, AAC +, OGG, APE (Monkey's Audio), M4A, apt-X, IMY, MID, AMR-WB, AMR-NB, apt-X HD | 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, MPEG-4, WMV, 3GP, TS, WebM, HEVC, H.265 | MKV, FLV, AVI, MOV, ASF, 3GP, M4V, TS, M2TS, WebM, MP4 | |
| Sound Enhancements | Dirac Power Sound technology, Dirac HD Sound | Dirac sound technologies |
| FEATURES | OnePlus 6T | OPPO A57s |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, RGB sensor | Accelerometer, proximity sensor, magnetometer, gravity sensor, brightness sensor | |
| Security Devices | Face recognition, fingerprint reader | Face recognition, fingerprint reader (side) | |
| Additional Phone Features | Face Unlock, Noise Cancellation Technology, MIMO technology, Android Sensor Hub, RGB LED notification light, AI Engine | 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 | OnePlus 6T | OPPO A57s |
|---|
| Included Accessories | SIM card removal tool, Dash Charge Type-C Cable, Dash Charge Adapter, USB-C to 3.5 jack adapter, screen protector (pre-applied), protective case | SIM card removal tool, USB-C charging cable, protective film, SuperVOOC 33W power adapter | |
|---|---|---|---|
| Compliant Standards | - | IPX4 |
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