Detailed comparison and review of Samsung Galaxy S20 5G and OPPO A77 5G. 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 | Samsung Galaxy S20 5G | OPPO A77 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-G981B/DS | CPH2339 | |
| Form Factor | Touch | Touch | |
| Height | 151.7 mm | 163.8 mm | OPPO A77 5G has greater height than Samsung Galaxy S20 5G. |
| Width | 69.1 mm | 75.1 mm | OPPO A77 5G has greater width than Samsung Galaxy S20 5G. |
| Depth | 7.9 mm | 7.99 mm | Samsung Galaxy S20 5G is narrower than Samsung Galaxy S20 5G. |
| Weight | 163 g | 190 g | Samsung Galaxy S20 5G is lighter than Samsung Galaxy S20 5G. |
| Body Colour | Cosmic grey | Cloud blue | Pink cloud | Midnight black | Ocean blue | |
| Protection | Dustproof, splashproof, water-resistant | Waterproof, splash-resistant | |
| Waterproof (Water-resistant) | Yes | Yes | Both phones are waterproof. |
| IP rating | IP68 | IPX4 | |
| Repairability Index | 5.7 (out of 10) | - | |
| SAR Value | 1.525 W/kg (body), 0.382 W/kg (head) | 1.256 W/kg (body), 0.986 W/kg (head), 2.683 W/kg (limb) | |
| Integrated Components | Heart rate sensor | - | |
| Connector Type | USB Type-C - 24 pin USB-C | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| 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 | Micro SIM + nano SIM/microSD |
| DISPLAY | Samsung Galaxy S20 5G | OPPO A77 5G |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Infinity-O Dynamic AMOLED 2X | - | |
| Screen Size (Display Size) | 6.2" | 6.56" | OPPO A77 5G has larger screen size than Samsung Galaxy S20 5G. |
| Screen Resolution (Display Resolution) | 3200 x 1440 pixels | 1612 x 720 pixels | Samsung Galaxy S20 5G has better screen resolution than OPPO A77 5G. |
| Display Format | QHD+ | HD+ | |
| Pixel Density | 563 ppi | 269 ppi | Samsung Galaxy S20 5G has better pixel density than OPPO A77 5G. |
| Aspect Ratio | 20:9 | 20:9 | |
| Max Brightness | - | 600 cd/m² | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| HDR | Yes | - | Samsung Galaxy S20 5G has HDR. |
| HDR Technology | HDR10+ | - | |
| Display Refresh Rate | 120 Hz | 90 Hz | Samsung Galaxy S20 5G has better refresh rate than OPPO A77 5G. |
| Touch Sampling Rate | - | 90 Hz | |
| Display Features | Edge Screen, AOD(Always On Display), Edge Lighting | 100% DCI-P3, 96% NTSC, 100% sRGB, High brightness mode, Vivid mode | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 6 (scratch resistant glass) | Panda Glass MN228 |
| PROCESSOR | Samsung Galaxy S20 5G | OPPO A77 5G |
|---|
| Processor Type (CPU) | Samsung Exynos 990 | MediaTek Dimensity 810 | |
|---|---|---|---|
| Clock Speed | 2.73 GHz | 2.4 GHz | Samsung Galaxy S20 5G has higher clock speed than OPPO A77 5G. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Samsung Galaxy S20 5G has 64-bit architecture. |
| Graphics System (GPU) | Mali-G77 MP11 | Mali-G57 MC2 |
| MEMORY | Samsung Galaxy S20 5G | OPPO A77 5G |
|---|
| RAM | LPDDR5 SDRAM - 12 GB | LPDDR4X SDRAM - 4 GB + up to 3 GB virtual extension | Samsung Galaxy S20 5G has more RAM than OPPO A77 5G. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 64 GB | Samsung Galaxy S20 5G has more internal memory than OPPO A77 5G. |
| User Memory | 104 GB | - | |
| Memory Interface | - | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 1 TB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Samsung Galaxy S20 5G | OPPO A77 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 2 | |
|---|---|---|---|
| Sensor Resolution | 64 Megapixel | 48 Megapixel | Samsung Galaxy S20 5G has better camera resolution than OPPO A77 5G. |
| Sensor Size | - | 1/1.2" | |
| Sensor Name | - | Samsung S5KGM1ST | |
| Lens Type | Telephoto lens | - | |
| Lens Aperture | F/2.0 | F/1.7 | OPPO A77 5G has better lens aperture than Samsung Galaxy S20 5G. |
| Lens Construction | - | 6-element | |
| Field of View (FoV) | 76 degree(s) | 80 degree(s) | OPPO A77 5G has larger lens field of view than Samsung Galaxy S20 5G. |
| Pixel Size | 0.8 μm | 0.8 μm | Both phones have the same camera pixel size. |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Samsung Galaxy S20 5G has optical stabilisation. |
| Focus Adjustment | Automatic, manual | Automatic | |
| Focal Length Equivalent to 35mm Camera | - | 25mm | |
| Self-Timer Delay | Yes | - | |
| Special Effects | HDR, Bokeh effect, Grid Line, Motion photos, video bokeh effect | Stickers | |
| HDR Mode | HDR+ | - | |
| Camera Modes | Panorama, Slow motion mode, Pro mode, HYPERLAPSE, Super Slow-mo, Flowers, Greenery, Trees, Sky, Mountains, Beaches, Watersides, Snow, Backlit, Text, Food, Live focus with bokeh effect, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view, Live focus video | Panorama, Time-lapse mode, Slow motion mode, Expert Mode, Portrait, Night, Macro mode, Extra HD, Text scanner | |
| Face Recognition (Face ID) | Face detection | - | Samsung Galaxy S20 5G has face detection. |
| White Balance | Custom, automatic | - | |
| 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, 7680 x 4320 (8K) at 24 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Quick Launch, Playback zoom, Phase Detect Auto-Focus (PDAF), blink detection, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, location tags, Hyperlapse video support 1080p, Scene Optimiser, Full view, Flaw detection, Shot suggestions, AR Emoji, blur detection, HDR10+ recording, Floating shutter button, Super steady, Quick Measure, Space Zoom, 3D Scanner, 3x Hybrid Zoom, Take 33MP still photos while playing 8K video, Hybrid Optic Zoom 3x, Super Resolution Zoom up to 30x, Digital zoom up to 12x for video | Google Lens |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 2 Megapixel | Samsung Galaxy S20 5G has better second camera resolution than OPPO A77 5G. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/5" | |
| Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.4 | Samsung Galaxy S20 5G has better second camera lens aperture than Samsung Galaxy S20 5G. |
| Lens Element Qty (2nd Camera) | - | 3-element | |
| Field of View (2nd Camera) | 120 degree(s) | 89 degree(s) | Samsung Galaxy S20 5G has larger second camera lens field of view than OPPO A77 5G. |
| Pixel Size (2nd Camera) | 1.4 μm | 1.75 μm | OPPO A77 5G has larger second camera pixel size than Samsung Galaxy S20 5G. |
| Focal Length Equivalent to 35mm Camera | - | 20mm | |
| Camera Functions (2nd Camera) | - | Depth camera | |
| Camera Features (2nd Camera) | Dual Pixel AF, OIS (Optical Image Stabilisation) | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 12 Megapixel | - | |
|---|---|---|---|
| Sensor Size (3rd Camera) | 1/1.76" | - | |
| Lens Type (3rd Camera) | Wide-angle lens | - | |
| Lens Aperture (3rd Camera) | F/1.8 | - | |
| Field of View (3rd Camera) | 79 degree(s) | - | |
| Pixel Size (3rd Camera) | 1.8 μm | - | |
| Camera Features (3rd Camera) | Super Speed Dual Pixel AF | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 10 Megapixel | 8 Megapixel | Samsung Galaxy S20 5G has better front camera resolution than OPPO A77 5G. |
| Sensor Size (Front) | - | 1/4" | |
| Sensor Name (Front) | - | Sony IMX355 sensor | |
| Lens Aperture (Front) | F/2.2 | F/2.0 | OPPO A77 5G has better front lens aperture than Samsung Galaxy S20 5G. |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | 80 degree(s) | 79 degree(s) | Samsung Galaxy S20 5G has larger front lens field of view than OPPO A77 5G. |
| Pixel Size (Front) | 1.22 μm | 1.12 μm | Samsung Galaxy S20 5G has larger front camera pixel size than OPPO A77 5G. |
| Focus Adjustment | Automatic | Focus free | |
| Focal Length Equivalent to 35mm Camera | - | 26mm | |
| Special Effects (Front) | - | Stickers | |
| Camera Modes (Front) | Live Focus mode, AR Emoji, Live focus video | Panorama, Time-lapse mode, night mode, Portrait | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | Dual Pixel AF | - |
| BATTERY AND CHARGING | Samsung Galaxy S20 5G | OPPO A77 5G |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 5000 mAh | OPPO A77 5G has larger battery capacity than Samsung Galaxy S20 5G. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 2.0, Adaptive Fast Charging, Samsung Super Fast Charging | SuperVOOC Flash Charge technology | Both phones have fast charging technology. |
| Recharge Time (Charging Time) | - | 69 min | |
| Wireless Charging | Yes | - | Samsung Galaxy S20 5G can be charged wirelessly. |
| Wireless Charging Standards | WPC, PMA, Qi, Fast Wireless Charging 2.0, Wireless PowerShare | - | |
| Standby Time | - | 344 hours | |
| Talk Time | 1200 minutes | - | |
| Run Time Details | Talk (LTE): up to 1200 min Active online usage (LTE): up to 14 hrs Active online usage (Wi-Fi): up to 15 hrs |
Standby (Ultra Power Saving Mode): up to 344 hrs | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | Samsung Galaxy S20 5G | OPPO A77 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 5G | Both phones have the same mobile network generation. |
| Operating System | Android 10 | ColorOS 12.1 (based on Android 12) | |
| User Interface | Samsung One UI 2 | - | |
| Intelligent Assistant | Bixby | - | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, A-GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Samsung Galaxy S20 5G | OPPO A77 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE, 5G NR FR1 | FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 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 2, Band 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 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 32, Band 38, Band 39, Band 40, Band 41, Band 66 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41, Band 66 | |
| 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 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | N1, n3, n5, n7, n8, n28, n77, n78, n40 | N1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78, n40 | |
| 5G NR Frequency | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 700APT, TDD TD 3700, TDD TD 3500, TDD 2300 | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+, IEEE 802.11a/b/g/n/ac/ax | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.3 BLE | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP | - | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy S20 5G | OPPO A77 5G |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128 | WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), apt-X, LDAC, IMY, ALAC, OPUS, MID, SBC, apt-X HD | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | MKV, FLV, AVI, MOV, WMV, ASF, 3GP, H.264, M4V, TS, M2TS, WebM, H.265, MP4 | |
| Sound Enhancements | Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound | - |
| FEATURES | Samsung Galaxy S20 5G | OPPO A77 5G |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor, ultrasonic sensor, HR sensor | Accelerometer, ambient light sensor, proximity sensor, pedometer, digital compass, geomagnetic sensor, gravity sensor | |
| Security Devices | Fingerprint reader (under display), face recognition | Face recognition, fingerprint reader (side) | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | HD Voice, MIMO technology, Smart Select, Fast Charging, Samsung KNOX, High AOP Mic, Smart View, Samsung DeX support, Bixby Vision, Secure Folder function, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, AR Doodle, Bixby key, 3D Scanner, Live messages, Samsung KNOX 3.5 | Fast Charging, Super power saving mode, OTG Reverse Charge, 3 years of Security Updates, 2 years of OS upgrades, ultra linear stereo speakers, Ultra volume mode |
| OTHERS | Samsung Galaxy S20 5G | OPPO A77 5G |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable, Earphones (USB Type-C) with sound by AKG | Protective cover, USB cable, power adapter, SIM card removal tool | |
|---|---|---|---|
| Compliant Standards | VDE, IP68, HAC (Hearing Aid Compatible), SGS | IPX4 | |
| Max Depth of Water Resistance | 1.5 m | - |
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