Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) vs Oppo Find X9 5G
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Overview
| Specs Score | 80 / 100 | 89 / 100 Better Specs |
| Display Resolution | 1440 x 3200 pixels Better Resolution | 1256 x 2760 pixels |
| Storage | 128 GB | 256 GB More Storage |
| CPU Clock Speed | 2.9 GHz | 4.21 GHz Faster Clock Speed |
| Rear Camera | 108 MP Quad Better Camera Resolution | 50 MP + 50 MP + 50 MP Triple |
| Front Camera | 40 MP Better Front Camera Resolution | 32 MP |
| Weight | 227 g | 203 g Lighter |
| Thickness | 8.9 mm | 8 mm Slimmer |
| Battery | 5000 mAh | 7025 mAh Bigger Battery |
| Unique Features | No | IR Blaster |
General
| Model | Galaxy S21 Ultra 5G | CPH2797 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | January 14, 2021 | October 16, 2025 |
Design
| Dimensions | 75.6 x 165.1 x 8.9 mm | 73.9 x 157 x 8 mm |
| Weight | 227 g | 203 g |
| Bezel less | Yes | |
| Colors | Space Black, Titanium Grey, Velvet Red, White |
Display
| Type | Color Dynamic AMOLED 2X (16M Colors) | Color AMOLED Screen (1B Colors) |
| Touch | Yes | Yes |
| Size | 6.8 inches, 1440 x 3200 pixels, 120 Hz | 6.59 inches, 1256 x 2760 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 515 PPI | ~ 460 PPI |
| Screen to Body Ratio | ~ 89.8% | ~ 91% |
| Glass Type | Corning Gorilla Glass Victus | Corning Gorilla Glass |
| Brightness | 800 nits (typ), 1800 nits (HBM), 3600 nits (peak) | |
| Features | Always-on Display, HDR10+ | 3840Hz PWM, Dolby Vision, HDR10+, HDR Vivid |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
Memory
| RAM | 12 GB | 12 GB |
| Storage | 128 GB | 256 GB |
| Storage Type | UFS 3.1 | UFS 4.1 |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| VoLTE | Yes, Dual Stand-By | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 802.11 a/b/g/n/ac/6e/7 | |
| Bluetooth | Yes, v5.2, A2DP, LE | Yes, v6.0, A2DP, LE, aptX HD |
| USB | Yes, USB-C v3.2 | Yes, USB-C |
| USB Features | USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | Yes |
Performance
| AnTuTu Score | 3,593,056 (Total) (v11) 1,024,622 (CPU) 1,369,932 (GPU) 389,652 (Memory) 808,850 (UX) | |
| AnTuTu Storage Score | 147,806 | |
| Geekbench Score | 9,032 (Multi Core) (v6) 3,219 (Single Core) 23,496 (OpenCL) 27,491 (Vulkan) | |
| 3DMark Score | 6,970 (Wild Life Extreme) |
Extra
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Barometer | Accelerometer, Gyro, Proximity, Compass |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes, 1.5 m upto 30 min |
| IP Rating | IP68 | IP68 |
| Dust Resistant | Yes | Yes |
Camera
| Rear Camera | 108 MP ƒ/1.8 10 MP ƒ/4.9 (Telephoto) 10 MP ƒ/2.4 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) | 50 MP ƒ/1.6 (Wide Angle) 23mm (wide), 1/1.4", 1.12µm, multi-directional PDAF, OIS 50 MP ƒ/2.6 (Telephoto) 73mm (periscope telephoto), 1/1.95", 0.61µm, 3x optical zoom, multi-directional PDAF, OIS 50 MP ƒ/2 (Ultra Wide) 15mm, 120˚ (ultrawide), 1/2.76", 0.64µm, multi-directional PDAF |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Auto-HDR, Panorama | Laser AF, Color Spectrum Sensor, Hasselblad Color Calibration, HDR, Panorama |
| Video Recording | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD | 4K @ 60 fps UHD, 1080p @ 60 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 40 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus | 32 MP ƒ/2.4 (Wide Angle) Punch Hole |
| Front Video Recording | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD | 4K @ 60 fps UHD, 1080p @ 60 fps FHD |
Technical
| OS | Android v10 | Android v16 |
| Custom UI | ColorOS 16 | |
| Chipset | Samsung Exynos 2100 | Mediatek Dimensity 9500 |
| CPU | 2.9 GHz, Octa Core Processor | 4.21 GHz, Octa Core Processor |
| Core Details | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 | |
| GPU | Mali-G78 MP14 | Arm G1-Ultra |
| Java | No | No |
| Browser | Yes | Yes |
Multimedia
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-Po Battery | 7025 mAh, Li-ion Battery |
| Fast Charging | Yes, 25W Fast Charging | Yes, 80W Fast Charging |
| Wireless Charging | Yes, 15W | Yes, 50W |
| Reverse Charging | Yes, 4.5W | Yes, 10W |
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