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Compare the full technical specifications off the: Samsung Galaxy S21 Ultra 5G VS Oppo A55

Samsung Galaxy S21 Ultra 5G
Samsung Galaxy S21 Ultra 5G
VS Oppo A55
Oppo A55
January 29, 2021 Released: October 01, 2021
Android 11, upgradable to Android 12, One UI 4.1 Operating System: Android 11, ColorOS 11.1
Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy Colors: Rainbow Blue, Starry Black, Green
SM-G998B, SM-G998B/DS, SM-G998U, SM-G998U1, SM-G998W, SM-G998N, SM-G9980 Models: CPH2325
5G, 4G, 3G, 2G Network Speed: 4G, 3G, 2G
Display
6.8 inches, 112.1 cm2 (89.8% screen-to-body ratio) Size: 6.51 inches, 102.3 cm2 (82.6% screen-to-body ratio)
1440 x 3200 pixels, 20:9 ratio (515 ppi density) Resolution: 720 x 1600 pixels, 20:9 ratio (270 ppi density)
Dynamic AMOLED 2X, 120Hz, HDR10+, 1500 nits (peak) Type: IPS LCD, 480 nits (typ), 550 nits (peak)
Corning Gorilla Glass Victus Protection: NEG T2X-1
Body
165.1 mm (6.50 in) Height: 163.6 mm (6.44 in)
75.6 mm (2.98 in) Width: 75.7 mm (2.98 in)
8.9 mm (0.35 in) Thickness: 8.4 mm (0.33 in)
227 g Weight: 193 g
IPx8 Water Resistant: No
Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame Material:
Single SIM (Nano-SIM) or Dual SIM (2 Nano-SIMs + eSIM, dual stand-by) SIM: Dual SIM (Nano-SIM, dual stand-by)
Rear Camera
4 Number of Cameras: 3
108 MP, f/1.8, 24 mm (wide), 1/1.33″, 0.8µm, PDAF, Laser AF, OIS
10 MP, f/4.9, 240 mm (periscope telephoto), 1/3.24″, 1.22µm, dual pixel PDAF, OIS, 10x optical zoom
10 MP, f/2.4, 72 mm (telephoto), 1/3.24″, 1.22µm, dual pixel PDAF, OIS, 3x optical zoom
12 MP, f/2.2, 13 mm (ultrawide), 1/2.55″, 1.4µm, dual pixel PDAF, Super Steady video
Camera Resolutions: 50 MP, f/1.8 26 mm (wide), PDAF
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS Video Resolution: 1080p@30fps
LED flash, auto-HDR, panorama Features: LED flash, HDR, panorama
Front (Selfie) Camera
40 MP, f/2.2, 26 mm (wide), 1/2.8″, 0.7µm, PDAF Camera Resolutions: 16 MP, f/2.0, 26 mm (wide)
4K@30/60fps, 1080p@30fps Video Resolution: 1080p@30fps
Dual video call, Auto-HDR Features: HDR
Battery
Li-Ion 5000 mAh, non-removable Battery Capacity: Li-Po 5000 mAh, non-removable
Fast charging 25W
USB Power Delivery 3.0
Fast Qi/PMA wireless charging 15W
Reverse wireless charging 4.5W
Charging: Fast charging 18W
Hardware
Exynos 2100 (5 nm) - International
Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China
Chipset: MediaTek MT6765G Helio G35 (12 nm)
Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International
Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - USA/China
Processor: Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Mali-G78 MP14 - International
Adreno 660 - USA/China
GPU: PowerVR GE8320
128GB 12GB RAM, 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM Memory: 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
No Memory Card Slot: microSDXC (dedicated slot)
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer Sensors: Fingerprint (side-mounted), accelerometer, proximity, compass
FM radio (Snapdragon model only; market/operator dependent) Radio: No
No Audio Jack 3.5 mm: Yes
Samsung DeX, Samsung Wireless DeX (desktop experience support)
Bixby natural language commands and dictation
Samsung Pay (Visa, MasterCard certified)
Ultra Wideband (UWB) support
Other:
Network & Connectivity
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot Wi-Fi: Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
5.2, A2DP, LE Bluetooth: 5.0, A2DP, LE, aptX
USB Type-C 3.2, USB On-The-Go USB: USB Type-C 2.0, USB On-The-Go
Yes, with A-GPS, GLONASS, BDS, GALILEO GPS: Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS
Yes NFC: Yes (market/region dependent)
5G / LTE / EVDO / HSPA / CDMA / GSM Technology: LTE / HSPA / GSM

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