In depth comparison and review of Samsung Galaxy Z Fold2 5G 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 | Samsung Galaxy Z Fold2 5G | OPPO A57s |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | SM-F916B | CPH2385 | |
Form Factor | Folder - touch screen, dual screen | Touch | |
Height | 159.2 mm | 163.74 mm | OPPO A57s has greater height than Samsung Galaxy Z Fold2 5G. |
Width | 68 mm | 75.03 mm | OPPO A57s has greater width than Samsung Galaxy Z Fold2 5G. |
Depth | 16.8 mm | 7.99 mm | OPPO A57s is narrower than Samsung Galaxy Z Fold2 5G. |
Weight | 282 g | 187 g | OPPO A57s is lighter than Samsung Galaxy Z Fold2 5G. |
Dimensions Details | Folded - 68 mm x 16.8 mm x 159.2 mm Unfolded - 128.2 mm x 6.9 mm x 159.2 mm |
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Body Colour | Thom Browne Gray | Mystic black, metallic blue hinge | Mystic bronze, metallic blue hinge | Mystic black, metallic gold hinge | Mystic bronze, metallic gold hinge | Mystic black, metallic red hinge | Mystic bronze, metallic red hinge | Mystic black, metallic silver hinge | Mystic bronze, metallic silver hinge | Mystic black | Mystic bronze | Starry black | |
Body Material | Gorilla glass 6 | Composite polymer | |
Waterproof (Water-resistant) | - | - | OPPO A57s is waterproof. |
IP rating | - | IPX4 | |
SAR Value | 0.291 W/kg (head, LTE), 0.859 W/kg (head, 5G), 1.453 W/kg (body) | 1.015 W/kg (body), 0.957 W/kg (head), 2.399 W/kg (limb) | |
Connector Type | USB Type-C - 24 pin USB-C | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
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SIM Card Type (Size) | Nano SIM, Electronic SIM card (e-SIM) | Nano SIM | |
SIM Card Qty | Dual-SIM | Dual-SIM | |
SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
DISPLAY | Samsung Galaxy Z Fold2 5G | OPPO A57s |
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Display Type | OLED display | LCD display | |
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Display Technology | Infinity Flex Dynamic AMOLED 2X | LCD | |
Foldable Display | Yes | - | |
Display Design | Inward folding | - | |
Screen Size (Display Size) | 7.6" | 6.56" | Samsung Galaxy Z Fold2 5G has larger screen size than OPPO A57s. |
Screen Resolution (Display Resolution) | 2208 x 1768 pixels | 1612 x 720 pixels | Samsung Galaxy Z Fold2 5G has better screen resolution than OPPO A57s. |
Display Format | QXGA+ | HD+ | |
Pixel Density | 373 ppi | 269 ppi | Samsung Galaxy Z Fold2 5G has better pixel density than OPPO A57s. |
Aspect Ratio | 22.5:18 | 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 | |
HDR | Yes | - | Samsung Galaxy Z Fold2 5G has HDR. |
HDR Technology | HDR10+ | - | |
Display Refresh Rate | 120 Hz | 60 Hz | Samsung Galaxy Z Fold2 5G has better refresh rate than OPPO A57s. |
Touch Sampling Rate | - | 60 Hz | |
Display Features | Flex screen | Night mode, Eye comfort mode, 96% NTSC | |
Display Protection (Screen Protector) | Samsung Ultra Thin Glass, Corning Gorilla Glass Victus (scratch resistant glass) | Panda Glass MN228 |
SECOND DISPLAY |
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Second Display Type | OLED display - colour | - | |
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Second Display Screen Size | 6.2" | - | |
Second Display Resolution | 2260 x 816 pixels | - | |
Second Display Colour Depth | 16.7 million colours | - |
UNFOLDED DISPLAY |
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Unfolded Display Screen Size | 7.6 in | - | |
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Unfolded Display Resolution | 2208 x 1768 pixels | - |
PROCESSOR | Samsung Galaxy Z Fold2 5G | OPPO A57s |
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Processor Type (CPU) | - | MediaTek Helio G35 | |
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Clock Speed | 3.09 GHz | 2.3 GHz | Samsung Galaxy Z Fold2 5G has higher clock speed than OPPO A57s. |
Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
Graphics System (GPU) | - | IMG GE8320 |
MEMORY | Samsung Galaxy Z Fold2 5G | OPPO A57s |
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RAM | 12 GB | LPDDR4X SDRAM - 4 GB | Samsung Galaxy Z Fold2 5G has more RAM than OPPO A57s. |
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Internal Memory Size (Storage Capacity) | 256 GB | 128 GB | Samsung Galaxy Z Fold2 5G has more internal memory than OPPO A57s. |
User Memory | 220.6 GB | - | |
Memory Interface | UFS 3.1 | eMMC 5.1 | |
Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSD, microSDXC - up to 1 TB |
CAMERA | Samsung Galaxy Z Fold2 5G | OPPO A57s |
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MAIN CAMERA |
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Number of Main Cameras | 3 | 2 | |
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Sensor Resolution | 12 Megapixel | 50 Megapixel | OPPO A57s has better camera resolution than Samsung Galaxy Z Fold2 5G. |
Sensor Size | - | 1/2.76" | |
Sensor Name | - | Samsung S5KJN1 | |
Lens Type | Ultra wide-angle lens | - | |
Lens Aperture | F/2.2 | F/1.8 | OPPO A57s has better lens aperture than Samsung Galaxy Z Fold2 5G. |
Lens Construction | - | 5-element | |
Field of View (FoV) | 123 degree(s) | 77 degree(s) | Samsung Galaxy Z Fold2 5G has larger lens field of view than OPPO A57s. |
Pixel Size | 1.12 μm | 0.64 μm | Samsung Galaxy Z Fold2 5G has larger camera pixel size than OPPO A57s. |
Optical Image Stabiliser (OIS) | Dual OIS (Optical Image Stabilisation) | - | Samsung Galaxy Z Fold2 5G has optical stabilisation. |
Focus Adjustment | Automatic | Automatic | |
Minimum Focal Length (Focal Distance) | - | 27 mm | |
Optical Zoom | 2x | - | |
Digital Zoom | 10x | 5x | Samsung Galaxy Z Fold2 5G has better digital zoom than OPPO A57s. |
Self-Timer Delay | Yes | - | |
Special Effects | HDR, Grid Line, Motion photos | Stickers | |
Camera Modes | Panorama, Slow motion mode, Pro mode, selfie mode, HYPERLAPSE, Live Focus mode, Super Slow-mo, Flowers, Greenery, Trees, Sky, Beaches, Watersides, Snow, Backlit, Text, Food, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view, Live focus video, Night, Mountain, Single Take, Pro Video, NIGHT HYPERLAPSE | Panorama, Time-lapse mode, Pro mode, Portrait, Night | |
Face Recognition (Face ID) | Face detection | - | Samsung Galaxy Z Fold2 5G has face detection. |
Light Source | High CRI LED flash | LED flash | |
Video Resolutions | 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
Camera Features (Functions) | Quick Launch, Playback zoom, blink detection, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, location tags, Hyperlapse video support 1080p, Scene Optimiser, Lens smudge, Full view, Flaw detection, Shot suggestions, blur detection, HDR10+ recording, Floating shutter button, Super steady, Zoom-In Mic, AR Doodle, Microphone Control, HEVC (High Efficiency Video coding), Dual preview, Auto framing, Flex mode, Capture View mode | - |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | 12 Megapixel | 2 Megapixel | Samsung Galaxy Z Fold2 5G has better second camera resolution than OPPO A57s. |
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Sensor Size (2nd Camera) | - | 1/5" | |
Lens Type (2nd Camera) | Wide-angle lens | - | |
Lens Aperture (2nd Camera) | F/1.8 | F/2.4 | Samsung Galaxy Z Fold2 5G has better second camera lens aperture than Samsung Galaxy Z Fold2 5G. |
Lens Element Qty (2nd Camera) | - | 3-element | |
Field of View (2nd Camera) | 83 degree(s) | 89 degree(s) | OPPO A57s has larger second camera lens field of view than Samsung Galaxy Z Fold2 5G. |
Pixel Size (2nd Camera) | 1.8 μm | 1.75 μm | Samsung Galaxy Z Fold2 5G has larger second camera pixel size than OPPO A57s. |
Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Samsung Galaxy Z Fold2 5G has optical stabilisation of the second camera. |
Minimum Focal Length (2nd Camera) | - | 21 mm | |
Camera Functions (2nd Camera) | - | Monochrome | |
Camera Features (2nd Camera) | Super Speed Dual Pixel AF | - |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | 12 Megapixel | - | |
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Lens Type (3rd Camera) | Telephoto lens | - | |
Lens Aperture (3rd Camera) | F/2.4 | - | |
Field of View (3rd Camera) | 45 degree(s) | - | |
Pixel Size (3rd Camera) | 1 μm | - | |
Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Samsung Galaxy Z Fold2 5G has optical stabilisation of the third camera. |
Camera Features (3rd Camera) | Phase Detect Auto-Focus (PDAF) | - |
FRONT CAMERA |
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Number of Front Cameras | 2 | 1 | |
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Sensor Resolution (Front) | 10 Megapixel | 8 Megapixel | Samsung Galaxy Z Fold2 5G has better front camera resolution than OPPO A57s. |
Sensor Size (Front) | - | 1/1.4" | |
Sensor Name (Front) | - | Omnivision OV08D10 sensor | |
Lens Aperture (Front) | F/2.2 | F/2.0 | OPPO A57s has better front lens aperture than Samsung Galaxy Z Fold2 5G. |
Lens Element Qty (Front) | - | 5-element | |
Field of View (Front) | 80 degree(s) | 79 degree(s) | Samsung Galaxy Z Fold2 5G has larger front lens field of view than OPPO A57s. |
Pixel Size (Front) | 1.22 μm | 1.12 μm | Samsung Galaxy Z Fold2 5G has larger front camera pixel size than OPPO A57s. |
Focus Adjustment | - | Focus free | |
Min Focal Length (Front) | - | 26 mm | |
Special Effects (Front) | HDR, Grid Line | 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 |
SECOND FRONT CAMERA |
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Sensor Resolution (2nd Front) | 10 Megapixel | - | |
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Lens Aperture (2nd Front) | F/2.2 | - | |
Field of View (2nd Front) | 80 degree(s) | - | |
Pixel Size (2nd Front) | 1.22 μm | - |
BATTERY AND CHARGING | Samsung Galaxy Z Fold2 5G | OPPO A57s |
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Battery Capacity (Battery Size) | 4500 mAh | 5000 mAh | OPPO A57s has larger battery capacity than Samsung Galaxy Z Fold2 5G. |
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Fast Charging Technology | Qualcomm Quick Charge 2.0, Samsung Super Fast Charging | SuperVOOC Flash Charge technology | Both phones have fast charging technology. |
Wireless Charging | Yes | - | Samsung Galaxy Z Fold2 5G can be charged wirelessly. |
Wireless Charging Standards | WPC, PMA, Qi, Fast Wireless Charging, Wireless PowerShare | - | |
Standby Time | - | 304 hours | |
Talk Time | 1860 minutes | 1800 minutes | Samsung Galaxy Z Fold2 5G has longer battery life when making calls than OPPO A57s. |
Run Time Details | Active online usage (LTE): up to 11 hrs Active online usage (Wi-Fi): up to 11 hrs Playback (wireless video): up to 18 hrs Playback (wireless audio): up to 83 hrs Talk (4G): up to 1860 min |
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 | Samsung Galaxy Z Fold2 5G | OPPO A57s |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 5G | 4G | Samsung Galaxy Z Fold2 5G has more advanced generation mobile network. |
Operating System | Android 10 | ColorOS 12.1 (based on Android 12) | |
Intelligent Assistant | Bixby | - | |
Payment Technology | Samsung Pay | - | |
Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
COMMUNICATIONS | Samsung Galaxy Z Fold2 5G | OPPO A57s |
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Data Transmission | FDD-LTE, TDD-LTE, LAA, 5G NR FR1 | 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 2, Band 4, Band 5, Band 8 | Band 1, Band 5, Band 8 | |
3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 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 38, Band 39, Band 40, Band 41, Band 66 | 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, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
5G NR Band | N1, n3, n5, n7, n8, n28, n41, n77, n78, n40 | - | |
5G NR Frequency | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 700APT, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD 2300 | - | |
Wireless Interface | IEEE 802.11a/b/g/n/ac, IEEE 802.11a/b/g/n/ac/ax | IEEE 802.11a/b/g/n/ac | |
Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.3 BLE | |
NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
Ultra-Wideband (UWB) | Yes | - | Samsung Galaxy Z Fold2 5G has UWB wireless technology. |
Messaging Services | SMS, MMS | - |
MEDIA | Samsung Galaxy Z Fold2 5G | OPPO A57s |
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Supported Digital Audio Standards | WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128 | 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, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | MKV, FLV, AVI, MOV, ASF, 3GP, M4V, TS, M2TS, WebM, MP4 | |
Sound Enhancements | Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound | Dirac sound technologies |
FEATURES | Samsung Galaxy Z Fold2 5G | 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, barometer, gyro sensor, hall sensor, geomagnetic sensor, light sensor | Accelerometer, proximity sensor, magnetometer, gravity sensor, brightness sensor | |
Security Devices | Face recognition, fingerprint reader (side) | Face recognition, fingerprint reader (side) | |
Additional Phone Features | Multitasking, MU-MIMO technology, Fast Charging, Samsung KNOX, High AOP Mic, Smart View, Samsung DeX support, Bixby Vision, Secure Folder function, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, dual battery, Flex mode, Multi Active Window, Bluetooth Scalable Codec, Hinge CAM technology, App Pair, Split Screen Capture | 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 | Samsung Galaxy Z Fold2 5G | OPPO A57s |
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Included Accessories | Power adapter, SIM card removal tool, USB-C cable, protective case, Samsung Galaxy Buds Live | SIM card removal tool, USB-C charging cable, protective film, SuperVOOC 33W power adapter | |
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Compliant Standards | VDE, SGS Eye Care Display Certification | IPX4 |