Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) vs Oppo Find X9 Pro 5G
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Overview
| Specs Score | 91 / 100 | 95 / 100 Better Specs |
| Display Resolution | 1440 x 3200 pixels Better Resolution | 1272 x 2772 pixels |
| RAM | 12 GB | 16 GB More RAM |
| Storage | 128 GB | 512 GB More Storage |
| CPU Clock Speed | 2.9 GHz | 4.21 GHz Faster Clock Speed |
| Rear Camera | 108 MP Quad Better Camera Resolution | 200 MP + 50 MP + 50 MP Triple |
| Front Camera | 40 MP | 50 MP Better Front Camera Resolution |
| Thickness | 8.9 mm | 8.3 mm Slimmer |
| Battery | 5000 mAh | 7500 mAh Bigger Battery |
| Unique Features | No | IR Blaster |
General
| Model | Galaxy S21 Ultra 5G | CPH2791 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| SAR | 1.14 W/kg (Head) 0.41 W/kg (Body) | |
| Device Type | Smartphone | Smartphone |
| Release Date | January 14, 2021 | October 16, 2025 |
| In The Box | Phone x 1, Charger x 1, USB Data Cable x 1, SIM Ejector Tool x 1, Quick Guide x 1, Protective Case x 1 |
Design
| Dimensions | 75.6 x 165.1 x 8.9 mm | 76.5 x 161.3 x 8.3 mm |
| Weight | 227 g | 224 g |
| Bezel less | Yes | |
| Colors | Silk White | Titanium Charcoal |
Display
| Type | Color Dynamic AMOLED 2X (16M Colors) | Color LTPO AMOLED Screen (1B Colors) |
| Touch | Yes | Yes |
| Size | 6.8 inches, 1440 x 3200 pixels, 120 Hz | 6.78 inches, 1272 x 2772 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 515 PPI | ~ 450 PPI |
| Screen to Body Ratio | ~ 89.8% | ~ 91.1% |
| Glass Type | Corning Gorilla Glass Victus | Corning Gorilla Glass |
| Brightness | 1800 nits (HBM), 3600 nits (peak) | |
| Features | Always-on Display, HDR10+ | 2160Hz PWM, Dolby Vision, HDR10+, HDR Vivid |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
Memory
| RAM | 12 GB | 16 GB |
| RAM Type | LPDDR5X | |
| Storage | 128 GB | 512 GB |
| Storage Type | UFS 3.1 | UFS 4.1 |
| Card Slot | No |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | NR: n1/n2/n3/n5/n7/n8/n12/n20/n25/n26/n28/n38/n40/n41/n48/n66/n71/n75/n76/n77/n78/n79 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7 (802.11be) supported, Wi-Fi 6 (802.11ax) supported, Wi-Fi 5 (802.11ac) supported, 802.11a/b/g/n supported, Wi-Fi Display supported, WLAN Tethering supported, Wi-Fi 2.4GHz 2 × 2 + Wi-Fi 5GHz 2 × 2 concurrent supported, Wi-Fi 5GHz 160MHz supported, Wi-Fi 6GHz 320MHz supported, 2 × 2 MIMO supported | |
| Bluetooth | Yes, v5.2, A2DP, LE | Yes, v6.0, SBC, AAC, LDAC, aptX, aptX HD, LHDC 5.0 |
| USB | Yes, USB-C v3.2 | Yes, USB-C v3.2 |
| USB Features | USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | Yes |
Extra
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | GPS (L1 + L5), GLONASS (G1), BDS (B1I + B1C + B2a + B2b), Galileo (E1 + E5a + E5b), QZSS (L1 + L5), NavIC (L5) |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Barometer | Proximity, Ambient Light, Color Temperature Sensor, E-compass, Accelerometer, Gyroscope, In-display ultrasound fingerprint sensor, Hall Sensor, Laser focusing Sensor, Spectral Sensor, Infrared Remote Control |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| AI Features | Gemini, AI Recording, AI Writer | |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes, 1.5 m upto 30 min |
| IP Rating | IP68 | IP68 |
| Dust Resistant | Yes | Yes |
| Extra Features | Satellite Communication |
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/1.5 (Wide Angle) 23mm (wide), 1/1.28", 1.22µm, multi-directional PDAF, OIS 200 MP ƒ/2.1 (Telephoto) 70mm (periscope telephoto), 1/1.56", 0.5µm, 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 | Photo, Video, Portrait, Night, PANO, Pro Video, SLO-MO, Long Exposure, Dual-view video, TIME-LAPSE, STICKER, XPAN, Hasselblad Hi-Res, Google Lens, Underwater, Master, Text Scanner, Doc Scanner, Hasselblad Color Calibration |
| Video Recording | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD | 4K @ 120/60 fps UHD, 1080p |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 40 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus | 50 MP ƒ/2 (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 | 1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro |
| GPU | Mali-G78 MP14 | Arm G1-Ultra |
| Java | No | No |
| Browser | Yes | Yes, supports HTML5 |
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 | 7500 mAh, Si/C Li-Ion |
| Fast Charging | Yes, 25W Fast Charging | Yes, 80W Fast Charging |
| Wireless Charging | Yes, 15W | Yes, 50W |
| Reverse Charging | Yes, 4.5W | Yes, 10W |
Discuss
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