Samsung Galaxy Z Fold4 vs. OPPO A77 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of Samsung Galaxy Z Fold4 and OPPO A77 5G. 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.

Phone Specifications Comparison

Samsung Galaxy Z Fold4 vs. OPPO A77 5G Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy Z Fold4 OPPO A77 5G
Product Type Smartphone Smartphone
Manufacturer Model Number SM-F936B/DS CPH2339
Form Factor Folder - touch screen, dual screen Touch
Height 155.1 mm 163.8 mm OPPO A77 5G has greater height than Samsung Galaxy Z Fold4.
Width 67.1 mm 75.1 mm OPPO A77 5G has greater width than Samsung Galaxy Z Fold4.
Depth 15.8 mm 7.99 mm OPPO A77 5G is narrower than Samsung Galaxy Z Fold4.
Weight 263 g 190 g OPPO A77 5G is lighter than Samsung Galaxy Z Fold4.
Dimensions Details Folded - 67.1 mm x 15.8 mm x 155.1 mm
Unfolded - 130.1 mm x 6.3 mm x 155.1 mm
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Body Colour Burgundy | Greygreen | Beige | Phantom black Midnight black | Ocean blue
Body Material Corning Gorilla Glass Victus, Armour Aluminium frame -
Protection Water-resistant Waterproof, splash-resistant
Waterproof (Water-resistant) Yes Yes Both phones are waterproof.
IP rating IPX8 IPX4
SAR Value 2.83 W/kg (limb), 1.506 W/kg (body), 1.301 W/kg (head) 1.256 W/kg (body), 0.986 W/kg (head), 2.683 W/kg (limb)
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 - Micro SIM + nano SIM/microSD
DISPLAY Samsung Galaxy Z Fold4 OPPO A77 5G
Display Type OLED display LCD display
Display Technology Dynamic AMOLED 2X -
Foldable Display Yes -
Display Design Inward folding -
Screen Size (Display Size) 7.6" 6.56" Samsung Galaxy Z Fold4 has larger screen size than OPPO A77 5G.
Screen Resolution (Display Resolution) 2176 x 1812 pixels 1612 x 720 pixels Samsung Galaxy Z Fold4 has better screen resolution than OPPO A77 5G.
Display Format QXGA+ HD+
Pixel Density 374 ppi 269 ppi Samsung Galaxy Z Fold4 has better pixel density than OPPO A77 5G.
Aspect Ratio 21.6:18 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 Z Fold4 has HDR.
HDR Technology HDR10+ -
Display Refresh Rate 120 Hz 90 Hz Samsung Galaxy Z Fold4 has better refresh rate than OPPO A77 5G.
Touch Sampling Rate - 90 Hz
Display Features AOD(Always On Display), Edge Lighting, Video Wallpaper 100% DCI-P3, 96% NTSC, 100% sRGB, High brightness mode, Vivid mode
Display Protection (Screen Protector) Samsung Ultra Thin Glass Panda Glass MN228
SECOND DISPLAY
Second Display Type OLED display - colour -
Second Display Screen Size 6.2" -
Second Display Resolution 2316 x 904 pixels -
Second Display Colour Depth 16.7 million colours -
UNFOLDED DISPLAY
Unfolded Display Screen Size 7.6 in -
Unfolded Display Resolution 2176 x 1812 pixels -
PROCESSOR Samsung Galaxy Z Fold4 OPPO A77 5G
Processor Type (CPU) Qualcomm Snapdragon 8+ Gen 1 MediaTek Dimensity 810
Processor Number SM8475 -
Clock Speed 3.18 GHz 2.4 GHz Samsung Galaxy Z Fold4 has higher clock speed than OPPO A77 5G.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
Graphics System (GPU) - Mali-G57 MC2
MEMORY Samsung Galaxy Z Fold4 OPPO A77 5G
RAM 12 GB LPDDR4X SDRAM - 4 GB + up to 3 GB virtual extension Samsung Galaxy Z Fold4 has more RAM than OPPO A77 5G.
Internal Memory Size (Storage Capacity) 256 GB 64 GB Samsung Galaxy Z Fold4 has more internal memory than OPPO A77 5G.
User Memory 216.3 GB -
Memory Interface UFS 3.1 UFS 2.2
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSD, microSDXC - up to 1 TB
CAMERA Samsung Galaxy Z Fold4 OPPO A77 5G
MAIN CAMERA
Number of Main Cameras 3 2
Sensor Resolution 50 Megapixel 48 Megapixel Samsung Galaxy Z Fold4 has better camera resolution than OPPO A77 5G.
Sensor Size - 1/1.2"
Sensor Name - Samsung S5KGM1ST
Lens Type Wide-angle lens -
Lens Aperture F/1.8 F/1.7 OPPO A77 5G has better lens aperture than Samsung Galaxy Z Fold4.
Lens Construction - 6-element
Field of View (FoV) 85 degree(s) 80 degree(s) Samsung Galaxy Z Fold4 has larger lens field of view than OPPO A77 5G.
Pixel Size 1 μm 0.8 μm Samsung Galaxy Z Fold4 has larger camera pixel size than OPPO A77 5G.
Optical Image Stabiliser (OIS) Dual OIS (Optical Image Stabilisation) - Samsung Galaxy Z Fold4 has optical stabilisation.
Focus Adjustment Automatic Automatic
Focal Length Equivalent to 35mm Camera - 25mm
Optical Zoom 3x -
Digital Zoom 12x -
Self-Timer Delay Yes -
Special Effects Face retouch, Grid Line, selfie colour tone Stickers
HDR Mode Super HDR -
Camera Modes Panorama, Slow motion mode, Pro mode, HYPERLAPSE, 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, Night view, Portrait, Night, Mountain, Filter mode, Single Take, Pro Video, Portrait video, Director's View, Capture View 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 Z Fold4 has face detection.
Light Source High CRI 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 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Hyperlapse 4K video support at 30 fps, Super Steady 1080p video support at 30 fps, 7680 x 4320 (8K UHD) at 24 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Functions) Playback zoom, Motion photo, QR-code scanner, RAW image capture, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, AR sticker, Scene Optimiser, Flaw detection, AI Super Resolution, Shot suggestions, AR Emoji, HDR10+ recording, Super steady, Zoom-In Mic, HEIF image capture, AR Doodle, Microphone Control, HEVC (High Efficiency Video coding), Dual preview, Auto framing, Capture View mode, Corning Gorilla Glass DX (protective lens glass), Auto FPS, AR Emoji Studio, Deco PIC, 30x Space Zoom, iDCG (Intra-scene Dual Conversion Gain), Super Night Solution Google Lens
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 2 Megapixel Samsung Galaxy Z Fold4 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 Z Fold4 has better second camera lens aperture than Samsung Galaxy Z Fold4.
Lens Element Qty (2nd Camera) - 3-element
Field of View (2nd Camera) 123 degree(s) 89 degree(s) Samsung Galaxy Z Fold4 has larger second camera lens field of view than OPPO A77 5G.
Pixel Size (2nd Camera) 1.12 μm 1.75 μm OPPO A77 5G has larger second camera pixel size than Samsung Galaxy Z Fold4.
Focal Length Equivalent to 35mm Camera - 20mm
Camera Functions (2nd Camera) - Depth camera
THIRD CAMERA
Sensor Resolution (3rd Camera) 10 Megapixel -
Lens Type (3rd Camera) Telephoto lens -
Lens Aperture (3rd Camera) F/2.4 -
Field of View (3rd Camera) 36 degree(s) -
Pixel Size (3rd Camera) 1 μm -
FRONT CAMERA
Number of Front Cameras 2 1
Sensor Resolution (Front) 10 Megapixel 8 Megapixel Samsung Galaxy Z Fold4 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 Z Fold4.
Lens Element Qty (Front) - 5-element
Field of View (Front) 85 degree(s) 79 degree(s) Samsung Galaxy Z Fold4 has larger front lens field of view than OPPO A77 5G.
Pixel Size (Front) 1.22 μm 1.12 μm Samsung Galaxy Z Fold4 has larger front camera pixel size than OPPO A77 5G.
Focus Adjustment - Focus free
Focal Length Equivalent to 35mm Camera - 26mm
Special Effects (Front) - Stickers
Camera Modes (Front) - Panorama, Time-lapse mode, night mode, Portrait
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
SECOND FRONT CAMERA
Sensor Resolution (2nd Front) 4 Megapixel -
Lens Aperture (2nd Front) F/1.8 -
Field of View (2nd Front) 80 degree(s) -
Pixel Size (2nd Front) 2 μm -
Camera Features (2nd Front) Under display camera -
BATTERY AND CHARGING Samsung Galaxy Z Fold4 OPPO A77 5G
Battery Capacity (Battery Size) 4400 mAh 5000 mAh OPPO A77 5G has larger battery capacity than Samsung Galaxy Z Fold4.
Fast Charging Technology Qualcomm Quick Charge 2.0, Adaptive Fast Charging SuperVOOC Flash Charge technology Both phones have fast charging technology.
Recharge Time (Charging Time) - 69 min
Wireless Charging Yes - Samsung Galaxy Z Fold4 can be charged wirelessly.
Wireless Charging Standards WPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare -
Standby Time - 344 hours
Talk Time 2340 minutes -
Run Time Details Active online usage (LTE): up to 16 hrs
Active online usage (Wi-Fi): up to 16 hrs
Playback (wireless video): up to 20 hrs
Playback (wireless audio): up to 72 hrs
Talk (4G): up to 2340 min
Standby (Ultra Power Saving Mode): up to 344 hrs
CELLULAR Samsung Galaxy Z Fold4 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 12L ColorOS 12.1 (based on Android 12)
User Interface One UI 4.1.1 -
Intelligent Assistant Bixby -
Payment Technology Samsung Pay -
Navigation GPS, GLONASS, BeiDou, Galileo, QZSS GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS Samsung Galaxy Z Fold4 OPPO A77 5G
Data Transmission FDD-LTE, TDD-LTE, LAA, 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, n2, n3, n5, n7, n8, n20, n28, n38, n41, n66, n75, n77, n78, n40, n25, n12 N1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78, n40
5G NR Frequency FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, SDL DL 1500+, TDD TD 3700, TDD TD 3500, TDD 2300, FDD 1900, n12 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/ax, Wi-Fi 6E IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.2 Bluetooth 5.3 BLE
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Ultra-Wideband (UWB) Yes - Samsung Galaxy Z Fold4 has UWB wireless technology.
Modem Snapdragon X65 5G -
MEDIA Samsung Galaxy Z Fold4 OPPO A77 5G
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, 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, Dolby Digital sound -
FEATURES Samsung Galaxy Z Fold4 OPPO A77 5G
Sensors Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor, light sensor Accelerometer, ambient light sensor, proximity sensor, pedometer, digital compass, geomagnetic sensor, gravity sensor
Security Devices Face recognition, fingerprint reader (side) Face recognition, fingerprint reader (side)
Security Technology - Face Unlock
Additional Phone Features Multitasking, Air View, MIMO technology, Screen Write, Smart Select, Samsung KNOX, High AOP Mic, Smart View, Live message, Screen off memo, Samsung DeX support, Bixby Vision, Secure Folder function, TalkBack, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, Samsung Smart Switch, dual battery, AR Doodle, PENUP, Flex mode, Multi Active Window, S Pen support, Multi View, Samsung Seamless Codec 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 Z Fold4 OPPO A77 5G
Included Accessories SIM card removal tool, USB-C cable Protective cover, USB cable, power adapter, SIM card removal tool
Compliant Standards VDE, IPX8, IEC 61960 IPX4
Max Depth of Water Resistance 1.5 m -
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