Oppo Find X9 Pro 5G vs Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)
Quick Comparison
Both Oppo Find X9 Pro 5G and Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) comes with same RAM. In terms of display resolution, Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) has better resolution of 3200 x 1440 than Oppo Find X9 Pro 5G which has resolution of 2772 x 1272. Oppo Find X9 Pro 5G has more internal memory than Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)
| Name | Oppo Find X9 Pro 5G | Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) |
| RAM | 12 GB | 12 GB |
|---|---|---|
| Display | 6.78 in | 6.8 in |
| Internal Memory | 256 GB | 128 GB |
| Battery | 7500 mAh | 5000 mAh |
| Camera | 200 MP + 50 MP + 50 MP Triple | 108 MP Quad |
| Price | Rs. 74999 | Rs. 101999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is October 16, 2025. The Expected cost of Oppo Find X9 Pro 5G is Rs. 74999. The launch Date of the second phone is January 14, 2021. The Expected cost of Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) is Rs. 101999.
Display comparison
Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) has larger screen size of 6.8 inches in comparison to Oppo Find X9 Pro 5G's 6.78 inch screen. Oppo Find X9 Pro 5G has LTPO AMOLED Screen type where as Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) has Screen type. Samsung's phone has display density of 515 PPI & OPPO's phone has only 450 PPI display density. In terms of screen to body ratio, OPPO's phone has better screen to body ratio of ~ 91.1% than Samsung's phone ~ 89.8%. Both phones have same aspect ratio of 20:9.
Memory comparison
Both mobiles come with 12 GB RAM Oppo Find X9 Pro 5G has more Internal Memory (256 GB) than Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) (128 GB).
Camera comparison
Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)'s 108 MP Quad Rear Camera outclasses Oppo Find X9 Pro 5G's 200 MP + 50 MP + 50 MP Triple Rear Camera in terms of resolution. Oppo Find X9 Pro 5G will be better choice if you're looking to click lot of selfies as it has better 50 MP Front Camera in comparison to Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)'s 40 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 16 and the second one on 10 version.
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Full Comparison
| Name | Oppo Find X9 Pro 5G | Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) |
| General | ||
| Model | CPH2791 | Galaxy S21 Ultra 5G |
| 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 | October 16, 2025 | January 14, 2021 |
| Design | ||
| Dimensions | 76.5 x 161.3 x 8.3 mm | 75.6 x 165.1 x 8.9 mm |
| Weight | 224 g | 227 g |
| Bezel less | Yes | |
| Colors | Silk White, Titanium Charcoal, Velvet Red | |
| Display | ||
| Type | Color LTPO AMOLED Screen (1B Colors) | Color Dynamic AMOLED 2X (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.78 inches, 1272 x 2772 pixels, 120 Hz | 6.8 inches, 1440 x 3200 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 450 PPI | ~ 515 PPI |
| Screen to Body Ratio | ~ 91.1% | ~ 89.8% |
| Glass Type | Corning Gorilla Glass | Corning Gorilla Glass Victus |
| Brightness | 1800 nits (HBM), 3600 nits (peak) | |
| Features | 2160Hz PWM, Dolby Vision, HDR10+, HDR Vivid | Always-on Display, HDR10+ |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | Yes | |
| Memory | ||
| RAM | 12 GB | 12 GB |
| Storage | 256 GB | 128 GB |
| Storage Type | UFS 4.1 | UFS 3.1 |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v6.0, A2DP, LE, aptX HD | Yes, v5.2, A2DP, LE |
| 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 dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS | Yes, with A-GPS, GLONASS, BDS, GALILEO |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Accelerometer, Gyro, Proximity, Compass, Barometer |
| 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 |
| Extra Features | Satellite Communication | |
| Camera | ||
| Rear Camera | 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 | 108 MP ƒ/1.8 10 MP ƒ/4.9 (Telephoto) 10 MP ƒ/2.4 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Laser AF, color spectrum sensor, Hasselblad Color Calibration, HDR, panorama | Auto-HDR, Panorama |
| Video Recording | 4K @ 60 fps UHD, 1080p @ 60 fps FHD | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 50 MP ƒ/2 (Wide Angle) Punch Hole | 40 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus |
| Front Video Recording | 4K @ 60 fps UHD, 1080p @ 60 fps FHD | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v16 | Android v10 |
| Custom UI | ColorOS 16 | |
| Chipset | Mediatek Dimensity 9500 | Samsung Exynos 2100 |
| CPU | 4.21 GHz, Octa Core Processor | 2.9 GHz, Octa Core Processor |
| Core Details | 1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 |
| GPU | Arm G1-Ultra | Mali-G78 MP14 |
| Java | No | No |
| Browser | Yes, supports HTML5 | 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 | 7500 mAh, Si/C Li-Ion | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 80W Fast Charging | Yes, 25W Fast Charging |
| Wireless Charging | Yes, 50W | Yes, 15W |
| Reverse Charging | Yes, 10W | Yes, 4.5W |