Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) vs Oppo Find X9 5G
Here you can compare Samsung Galaxy S21 Ultra 5G (12GB RAM … and Oppo Find X9 5G. Comparing Samsung Galaxy S21 Ultra 5G (12GB RAM … vs Oppo Find X9 5G on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Samsung Galaxy S21 Ultra 5G (12GB RAM … stands against Oppo Find X9 5G and which one should you buy The current lowest price found for Samsung Galaxy S21 Ultra 5G (12GB RAM … is ₹1,01,999 and for Oppo Find X9 5G is ₹84,999. The details of both of these products were last updated on Jun 04, 2026.
| Specification | Samsung Galaxy S21 Ultra 5G (12GB RAM … | Oppo Find X9 5G |
|---|---|---|
| OS | Android v10 | Android v16 |
| 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 |
| Battery | 5000 mAh, Li-Po Battery | 7025 mAh, Li-ion Battery |
| Internal Memory | 128 GB | 256 GB |
| CPU | 2.9 GHz, Octa Core Processor | 4.21 GHz, Octa Core Processor |
| Price | ₹1,01,999 | ₹84,999 |
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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) | |
| HDR Support | Yes, HDR10+ | Yes, HDR10+, Dolby Vision |
| 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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