In depth comparison and review of Samsung Galaxy S23 Ultra 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.
| DESIGN AND DIMENSIONS | Samsung Galaxy S23 Ultra | OPPO A77 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-S918B/DS | CPH2339 | |
| Form Factor | Touch | Touch | |
| Height | 163.4 mm | 163.8 mm | OPPO A77 5G has greater height than Samsung Galaxy S23 Ultra. |
| Width | 78.1 mm | 75.1 mm | Samsung Galaxy S23 Ultra has greater width than OPPO A77 5G. |
| Depth | 8.9 mm | 7.99 mm | OPPO A77 5G is narrower than Samsung Galaxy S23 Ultra. |
| Weight | 233 g | 190 g | OPPO A77 5G is lighter than Samsung Galaxy S23 Ultra. |
| Body Colour | Lavender | Cream | Green | Phantom black | Midnight black | Ocean blue | |
| Body Material | PET film, recycled glass, Armour Aluminium frame | - | |
| Protection | Dustproof, splashproof, water-resistant | Waterproof, splash-resistant | |
| Waterproof (Water-resistant) | Yes | Yes | Both phones are waterproof. |
| IP rating | IP68 | IPX4 | |
| Repairability Index | 8.2 (out of 10) | - | |
| SAR Value | 1.398 W/kg (body), 0.963 W/kg (head), 2.95 W/kg (limb) | 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 S23 Ultra | OPPO A77 5G |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Infinity-O Dynamic AMOLED 2X | - | |
| Screen Size (Display Size) | 6.8" | 6.56" | Samsung Galaxy S23 Ultra has larger screen size than OPPO A77 5G. |
| Screen Resolution (Display Resolution) | 3088 x 1440 pixels | 1612 x 720 pixels | Samsung Galaxy S23 Ultra has better screen resolution than OPPO A77 5G. |
| Display Format | QHD+ | HD+ | |
| Pixel Density | 500 ppi | 269 ppi | Samsung Galaxy S23 Ultra has better pixel density than OPPO A77 5G. |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 1750 cd/m² | 600 cd/m² | Samsung Galaxy S23 Ultra has better display brightness than OPPO A77 5G. |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Contrast Ratio | 3000000:1 | - | |
| HDR | Yes | - | Samsung Galaxy S23 Ultra has HDR. |
| HDR Technology | HDR10+ | - | |
| Display Enhancement Technology | Vision Booster technology | - | |
| Display Refresh Rate | 120 Hz | 90 Hz | Samsung Galaxy S23 Ultra has better refresh rate than OPPO A77 5G. |
| Touch Sampling Rate | 240 Hz | 90 Hz | |
| Display Features | AOD(Always On Display), Video Wallpaper, 100% DCI-P3 | 100% DCI-P3, 96% NTSC, 100% sRGB, High brightness mode, Vivid mode | |
| Display Protection (Screen Protector) | Corning Gorilla Glass Victus 2 (scratch resistant glass) | Panda Glass MN228 |
| PROCESSOR | Samsung Galaxy S23 Ultra | OPPO A77 5G |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 8 Gen 2 | MediaTek Dimensity 810 | |
|---|---|---|---|
| Clock Speed | 3.36 GHz | 2.4 GHz | Samsung Galaxy S23 Ultra 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 S23 Ultra | OPPO A77 5G |
|---|
| RAM | LPDDR5 SDRAM - 8 GB | LPDDR4X SDRAM - 4 GB + up to 3 GB virtual extension | Samsung Galaxy S23 Ultra has more RAM than OPPO A77 5G. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 256 GB | 64 GB | Samsung Galaxy S23 Ultra has more internal memory than OPPO A77 5G. |
| User Memory | 216.6 GB | - | |
| Memory Interface | - | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Samsung Galaxy S23 Ultra | OPPO A77 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 2 | |
|---|---|---|---|
| Sensor Resolution | 200 Megapixel | 48 Megapixel | Samsung Galaxy S23 Ultra 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/1.7 | F/1.7 | Both phones have the same camera lens aperture. |
| Lens Construction | - | 6-element | |
| Field of View (FoV) | 85 degree(s) | 80 degree(s) | Samsung Galaxy S23 Ultra has larger lens field of view than OPPO A77 5G. |
| Pixel Size | 0.6 μm | 0.8 μm | OPPO A77 5G has larger camera pixel size than Samsung Galaxy S23 Ultra. |
| Optical Image Stabiliser (OIS) | Dual OIS (Optical Image Stabilisation) | - | Samsung Galaxy S23 Ultra has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Focal Length Equivalent to 35mm Camera | - | 25mm | |
| Self-Timer Delay | Yes | - | |
| Special Effects | Super HDR, face retouch, Grid Line, selfie colour tone | Stickers | |
| HDR Mode | Auto HDR mode | - | |
| 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, Clothes, Night view, Portrait, Night, Motion Photo, Mountain, Filter mode, Single Take, Pro Video, Portrait video, Director's View, Expert RAW mode, My Filter mode, Astrolapse | Panorama, Time-lapse mode, Slow motion mode, Expert Mode, Portrait, Night, Macro mode, Extra HD, Text scanner | |
| 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, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1920 x 1080 (1080p) at 960 fps, 7680 x 4320 (UHD 8K) at 24fps, Hyperlapse 4K video support at 30 fps, Super Steady 1080p video support at 60 fps, 7680 x 4320 (UHD 8K) at 30fps, 3840 x 2160 (4K) HDR10+ at 60 fps, Director's View 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Blink detection, QR-code scanner, RAW image capture, VDIS (Video Digital Image Stabilisation), Tracking AF, Quick Share, Scene Optimiser, Lens smudge, Flaw detection, Shot suggestions, blur detection, HDR10+ recording, Super steady, backlighting detection, Quick Measure, Zoom-In Mic, HEIF image capture, Take 33MP still photos while playing 8K video, Single Take, AR Doodle, HEVC (High Efficiency Video coding) support, Auto framing, UW shape correction, Auto FPS, object eraser, Digital zoom up to 20x for video, High Bitrate, 360 Audio Recording | Google Lens |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 2 Megapixel | Samsung Galaxy S23 Ultra 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 S23 Ultra has better second camera lens aperture than Samsung Galaxy S23 Ultra. |
| Lens Element Qty (2nd Camera) | - | 3-element | |
| Field of View (2nd Camera) | 120 degree(s) | 89 degree(s) | Samsung Galaxy S23 Ultra 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 S23 Ultra. |
| 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/4.9 | - | |
| Field of View (3rd Camera) | 11 degree(s) | - | |
| Pixel Size (3rd Camera) | 1.12 μm | - | |
| Optical Zoom | 10x | - | |
| Camera Features (3rd Camera) | 100x Super Resolution Zoom, Space Zoom | - |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 10 Megapixel | - | |
|---|---|---|---|
| Lens Type (4th Camera) | Telephoto lens | - | |
| Lens Aperture (4th Camera) | F/2.4 | - | |
| Field of View (4th Camera) | 36 degree(s) | - | |
| Pixel Size (4th Camera) | 1.12 μm | - | |
| Optical Zoom | 3x | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 12 Megapixel | 8 Megapixel | Samsung Galaxy S23 Ultra 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 S23 Ultra. |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | 80 degree(s) | 79 degree(s) | Samsung Galaxy S23 Ultra has larger front lens field of view than OPPO A77 5G. |
| Pixel Size (Front) | 1.12 μm | 1.12 μm | Both phones have the same front camera pixel size. |
| Focus Adjustment | Automatic | 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 | |
| Camera Features (Front) | 2PD AF | - |
| BATTERY AND CHARGING | Samsung Galaxy S23 Ultra | OPPO A77 5G |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 5000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 2.0, Adaptive Fast Charging, Samsung Super Fast Charging, Power Delivery 3.0 | SuperVOOC Flash Charge technology | Both phones have fast charging technology. |
| Recharge Time (Charging Time) | - | 69 min | |
| Wireless Charging | Yes | - | Samsung Galaxy S23 Ultra can be charged wirelessly. |
| Wireless Charging Standards | WPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare | - | |
| Standby Time | - | 344 hours | |
| Talk Time | 2940 minutes | - | |
| Run Time Details | Talk (4G): up to 2940 min Active online usage (LTE): up to 25 hrs Active online usage (Wi-Fi): up to 25 hrs Playback (wireless video): up to 26 hrs Playback (wireless audio): up to 99 hrs |
Standby (Ultra Power Saving Mode): up to 344 hrs |
| CELLULAR | Samsung Galaxy S23 Ultra | 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 13 | ColorOS 12.1 (based on Android 12) | |
| User Interface | Samsung One UI 5.1 | - | |
| Intelligent Assistant | Bixby | - | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo, QZSS | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Samsung Galaxy S23 Ultra | OPPO A77 5G |
|---|
| Data Transmission | 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, 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 5.3 | Bluetooth 5.3 BLE | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Ultra-Wideband (UWB) | Yes | - | Samsung Galaxy S23 Ultra has UWB wireless technology. |
| MEDIA | Samsung Galaxy S23 Ultra | OPPO A77 5G |
|---|
| Supported Digital Audio Standards | WAV, 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, 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, amplify ambient sound | - |
| FEATURES | Samsung Galaxy S23 Ultra | OPPO A77 5G |
|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic 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 | S Pen multi-input, Air View, MIMO technology, Screen Write, notification flashlight, Smart Select, Three microphones, Samsung KNOX, Smart View, Live message, Screen off memo, Samsung DeX support, Bixby Vision, Secure Folder function, TalkBack, Dual Audio, Intelligent Performance Enhancer, Samsung Smart Switch, AR Doodle, PENUP, Bixby key, Bluetooth Scalable Codec, Samsung Knox Vault, DisplayPort over USB Type-C, dual stereo speakers tuned by Dolby Atmos, Samsung Seamless Codec, Samsung Wallet | 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 S23 Ultra | OPPO A77 5G |
|---|
| Included Accessories | SIM card removal tool, S Pen, USB-C to USB-C cable | Protective cover, USB cable, power adapter, SIM card removal tool | |
|---|---|---|---|
| Compliant Standards | VDE, IP68, HAC (Hearing Aid Compatible), EcoLogo, IEC 61960, Carbon Trust | IPX4 | |
| Max Depth of Water Resistance | 1.5 m | - |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
