In depth comparison and review of TCL 20SE 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 | TCL 20SE | OPPO A57s |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | T671H | CPH2385 | |
| Form Factor | Touch | Touch | |
| Height | 172.08 mm | 163.74 mm | TCL 20SE has greater height than OPPO A57s. |
| Width | 77.14 mm | 75.03 mm | TCL 20SE has greater width than OPPO A57s. |
| Depth | 9.1 mm | 7.99 mm | OPPO A57s is narrower than TCL 20SE. |
| Weight | 206 g | 187 g | OPPO A57s is lighter than TCL 20SE. |
| Body Colour | Nuit black | Aurora green | Starry black | |
| Body Material | Polycarbonate, polymethyl methacrylate (PMMA) | Composite polymer | |
| Waterproof (Water-resistant) | - | - | OPPO A57s is waterproof. |
| IP rating | - | IPX4 | |
| SAR Value | 1.43 W/kg (body), 0.81 W/kg (head), 3.12 W/kg (limb) | 1.015 W/kg (body), 0.957 W/kg (head), 2.399 W/kg (limb) | |
| Integrated Components | FM radio, LED flashlight | - | |
| Connector Type | USB Type-C - 24 pin USB-C Headset 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 | Nano SIM + nano SIM/microSD |
| DISPLAY | TCL 20SE | OPPO A57s |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | LCD | |
| Screen Size (Display Size) | 6.82" | 6.56" | TCL 20SE has larger screen size than OPPO A57s. |
| Screen Resolution (Display Resolution) | 1640 x 720 pixels | 1612 x 720 pixels | TCL 20SE has better screen resolution than OPPO A57s. |
| Display Format | HD+ | HD+ | |
| Pixel Density | 263 ppi | 269 ppi | OPPO A57s has better pixel density than TCL 20SE. |
| Aspect Ratio | 20.5:9 | 20.1:9 | |
| Max Brightness | 450 cd/m² | 600 cd/m² | OPPO A57s has better display brightness than TCL 20SE. |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Contrast Ratio | 1500:1 | 1500:1 | Both phones have the same display contrast ratio. |
| Display Enhancement Technology | Eye comfort mode, SDR-to-HDR colour enhancement | - | |
| Display Refresh Rate | - | 60 Hz | |
| Touch Sampling Rate | - | 60 Hz | |
| Display Features | 2.5D Glass, Sunlight Display, Reading mode, Dark mode, CinemaVision display, V-notch display, TCL NXTVISION | Night mode, Eye comfort mode, 96% NTSC | |
| Display Protection (Screen Protector) | Fingerprint-resistant coating | Panda Glass MN228 |
| PROCESSOR | TCL 20SE | OPPO A57s |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 460 | MediaTek Helio G35 | |
|---|---|---|---|
| Clock Speed | 1.8 GHz | 2.3 GHz | OPPO A57s has higher clock speed than TCL 20SE. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | Qualcomm ADRENO 610 | IMG GE8320 |
| MEMORY | TCL 20SE | OPPO A57s |
|---|
| RAM | LPDDR3 SDRAM - 4 GB | LPDDR4X SDRAM - 4 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | OPPO A57s has more internal memory than TCL 20SE. |
| 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 | TCL 20SE | OPPO A57s |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 2 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 50 Megapixel | OPPO A57s has better camera resolution than TCL 20SE. |
| Sensor Size | 1/2.77" | 1/2.76" | TCL 20SE has better camera sensor size than OPPO A57s. |
| Sensor Name | - | Samsung S5KJN1 | |
| Lens Aperture | F/1.8 | F/1.8 | Both phones have the same camera lens aperture. |
| Lens Construction | 5-element | 5-element | |
| Field of View (FoV) | 77 degree(s) | 77 degree(s) | Both phones have the same lens field of view. |
| Pixel Size | 1.12 μm | 0.64 μm | TCL 20SE has larger camera pixel size than OPPO A57s. |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | - | 27 mm | |
| Digital Zoom | 4x | 5x | OPPO A57s has better digital zoom than TCL 20SE. |
| Special Effects | HDR, Bokeh effect | Stickers | |
| Camera Modes | Panorama, Slow motion mode, Pro mode, night mode, super resolution mode, portrait mode, Filter mode, low-light video, Light Trace Mode, Stop-Motion Video Mode, Super Macro Mode, AI colour portrait video, AI Sky Enhancement | Panorama, Time-lapse mode, Pro mode, Portrait, Night | |
| Face Recognition (Face ID) | Face detection | - | TCL 20SE has face detection. |
| Light Source | Single tone dual LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Snapshot in video recording, AI Quad camera, Audio zoom, scene detection 2.0 | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 2 Megapixel | TCL 20SE has better second camera resolution than OPPO A57s. |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/5" | 1/5" | Both phones have the same sensor size of the second camera. |
| Lens Type (2nd Camera) | Super wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.4 | TCL 20SE has better second camera lens aperture than TCL 20SE. |
| Lens Element Qty (2nd Camera) | 4-element | 3-element | |
| Field of View (2nd Camera) | 115 degree(s) | 89 degree(s) | TCL 20SE has larger second camera lens field of view than OPPO A57s. |
| Pixel Size (2nd Camera) | 1.12 μm | 1.75 μm | OPPO A57s has larger second camera pixel size than TCL 20SE. |
| Minimum Focal Length (2nd Camera) | - | 21 mm | |
| Camera Functions (2nd Camera) | - | Monochrome | |
| Camera Features (2nd Camera) | 4-piece lens | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Sensor Size (3rd Camera) | 1/5" | - | |
| Lens Aperture (3rd Camera) | F/2.4 | - | |
| Lens Element Qty (3rd Camera) | 3-element | - | |
| Field of View (3rd Camera) | 83 degree(s) | - | |
| Pixel Size (3rd Camera) | 1.75 μm | - | |
| Camera Functions (3rd Camera) | Depth camera | - |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Sensor Size (4th Camera) | 1/5" | - | |
| Lens Aperture (4th Camera) | F/2.4 | - | |
| Lens Element Qty (4th Camera) | 3-element | - | |
| Field of View (4th Camera) | 83 degree(s) | - | |
| Pixel Size (4th Camera) | 1.75 μm | - | |
| Camera Functions (4th Camera) | Macro camera | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 8 Megapixel | Both phones have the same front camera resolution. |
| Sensor Size (Front) | 1/4" | 1/1.4" | TCL 20SE has better front camera sensor size than OPPO A57s. |
| 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) | 4-element | 5-element | |
| Field of View (Front) | 80.6 degree(s) | 79 degree(s) | TCL 20SE has larger front lens field of view than OPPO A57s. |
| Pixel Size (Front) | 1.12 μm | 1.12 μm | Both phones have the same front camera pixel size. |
| Focus Adjustment | Focus free | Focus free | |
| Min Focal Length (Front) | - | 26 mm | |
| Special Effects (Front) | HDR, Face Beautification | Stickers | |
| Camera Modes (Front) | Portrait mode | Panorama, Time-lapse mode, Portrait | |
| Face Recognition (Face ID) | Face detection | - | TCL 20SE 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 |
| BATTERY AND CHARGING | TCL 20SE | OPPO A57s |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 5000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Fast Charging Technology | - | SuperVOOC Flash Charge technology | OPPO A57s has fast charging technology. |
| Recharge Time (Charging Time) | 4 hours | - | |
| Standby Time | 336 hours | 304 hours | TCL 20SE has longer standby time than OPPO A57s. |
| Talk Time | - | 1800 minutes | |
| Run Time Details | Standby: up to 336 hrs Playback (video): up to 17 hrs Playback (audio): up to 60 hrs Active online usage (4G): up to 16 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 | TCL 20SE | OPPO A57s |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 11 | ColorOS 12.1 (based on Android 12) | |
| User Interface | TCL UI | - | |
| Intelligent Assistant | Google Assistant | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | TCL 20SE | OPPO A57s |
|---|
| Data Transmission | GPRS, EDGE, HSPA+, LTE, VoLTE, VoWiFi | 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 5, Band 8 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 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 | IEEE 802.11b/g/n | 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. |
| MEDIA | TCL 20SE | OPPO A57s |
|---|
| Supported Digital Audio Standards | AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AWB, Vorbis | 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 | Hi-Res audio | Dirac sound technologies |
| FEATURES | TCL 20SE | 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 | Accelerometer, proximity sensor, magnetometer, gravity sensor, brightness sensor | |
| Security Devices | Face recognition, fingerprint reader | Face recognition, fingerprint reader (side) | |
| Security Technology | Face Key | - | |
| Additional Phone Features | HD Voice, dual microphones with noise cancellation, Face Key, Google Lens, Google Assistant Button, floating window multitasking | 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 | TCL 20SE | OPPO A57s |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable, TPU case | SIM card removal tool, USB-C charging cable, protective film, SuperVOOC 33W power adapter | |
|---|---|---|---|
| Compliant Standards | HAC (Hearing Aid Compatible) | IPX4 |