Samsung Galaxy S21 Ultra vs Oppo Reno 15C
Key Specifications
| Processor | Samsung Exynos 2100 | Qualcomm Snapdragon 6 Gen 1 | ||
|---|---|---|---|---|
| Display | 6.8", AMOLED, 120Hz | 6.57", AMOLED, 120Hz | ||
| Camera | 108MP+10MP+10MP+12MP/40MP (Front) | 50MP+8MP+2MP/50MP (Front) | ||
| Battery | 5000mAh, 25W | 7000mAh, 80W | ||
| RAM | 12GB | 8GB | ||
| Storage | 256GB | 256GB |
Top Recommendation
| Recommended For | Performance, Display, Multimedia, Gaming, Design, Build Quality and Main Camera | Battery |
|---|
General
| Colors | Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy | Afterglow Pink, Twilight Blue | ||
|---|---|---|---|---|
| Launch | January 14, 2021 | January 08, 2026 | ||
| Availability | January 29, 2021 | February 05, 2026 | ||
| Launch Country | India | India | ||
| Launch Price | ₹1,05,999 | ₹34,999 |
Display
Winner:Samsung Galaxy S21 Ultra
| Type | AMOLED | AMOLED | ||
|---|---|---|---|---|
| Refresh Rate | 120 Hz | 120 Hz | ||
| Features | HDR10+ | SDR | ||
| Size | 6.8 inches | 6.57 inches | ||
| Resolution Width | 1440 pixels | 1080 pixels | ||
| Resolution Height | 3200 pixels | 2372 pixels | ||
| Resolution Ratio | 20:9 | 20.9 | ||
| Pixel Per Inch | 515 ppi | 397 ppi | ||
| Display Resolution | FHD+ | FHD+ | ||
| Peak Brightness | 1500 nits | 1800 nits |
Body
Winner:Samsung Galaxy S21 Ultra
| Weight | 227 grams | 195 grams | ||
|---|---|---|---|---|
| Front | Gorilla Glass Victus | AGC DT-Star D+ | ||
| Side | Aluminium Frame | Aluminium Frame | ||
| Build Quality | Corning Gorilla Glass Victus | |||
| Port | USB Type-C 3.1 Gen 1 | USB Type-C | ||
| IP rating | IP68 (Dust and Water Resistant) | IP66/68/69 (Dust and Water Resistant) | ||
| Speaker | Stereo Speakers | Stereo Speakers |
Processor
Winner:Samsung Galaxy S21 Ultra
| Chipset Brand | Samsung | Qualcomm | ||
|---|---|---|---|---|
| Chipset Name | Exynos 2100 | Snapdragon 6 Gen 1 | ||
| CPU | Octa-core | Octa-core | ||
| GPU | Mali-G78 MP14 | Adreno 710 |
Main Camera
Winner:Samsung Galaxy S21 Ultra
| Camera Resolution | 108 MP | 50 MP | ||
|---|---|---|---|---|
| Camera Type | Wide-angle | Wide-angle | ||
| Camera 2 Resolution | 10 MP | 8 MP | ||
| Camera 2 Type | Periscope | Ultra-wide | ||
| Camera 3 Resolution | 10 MP | 2 MP | ||
| Camera 3 Type | Telephoto | Macro | ||
| Features | Laser AF | Dual View, Google Lens, HDR, Hi-Res Mode, Macro, Night, panorama, portrait, Pro, Slow-Mo, Time Lapse | ||
| Stabilization | OIS | Hybrid Stabilization | ||
| Video | gyro-EIS, HDR10+, Stereo Sound Recording | Dual Video, EIS, OIS, Slow Motion, Time-lapse Video |
Operating System
| Software Name | Android | Android | ||
|---|---|---|---|---|
| Software Skin | One UI | ColorOS | ||
| OS Updates(Years) | 4 year(s) | 5 year(s) | ||
| AI Features | Circle to Search | AI Camera, AI Eraser, AI Gaming, AI HyperBoost, AI LinkBoost, AI mind space, AI popout, AI Portrait Glow, AI Studio, AI Translate, Call Translator |
Selfie Camera
Winner:Oppo Reno 15C
| Front Camera Resolution | 40 MP | 50 MP | ||
|---|---|---|---|---|
| Features | Face unlock, HdR | Dual Video, Night, panorama, Portrait, Time Lapse | ||
| Video | 1080p@30fps, 4k@30/60fps | Dual Video, EIS, Slow Motion, Time Lapse |
Battery
Winner:Oppo Reno 15C
| Capacity | 5000 mAh | 7000 mAh | ||
|---|---|---|---|---|
| Battery Type | Lithium Ion | Silicon Carbon | ||
| Wireless Charging | true | |||
| Charging Speed | 25 W | 80 W |
Memory
Winner:Samsung Galaxy S21 Ultra
| Storage | 256 GB | 256 GB | ||
|---|---|---|---|---|
| Storage type | UFS 3.1 | UFS 3.1 | ||
| RAM | 12 GB | 8 GB | ||
| RAM type | LPDDR5 | LPDDR4X |
Network
| Sim Slot | nano-SIM and eSIM or Dual SIM (2 nano-SIM and eSIM, dual stand-by) | Dual nano-SIM (nano-SIM, dual stand-by) | ||
|---|---|---|---|---|
| Network | 5G, GSM, LTE FDD, LTE TD, UMTS, WCDMA | 5G, GSM, LTE FDD, LTE TD, WCDMA |
Connectivity
Winner:Samsung Galaxy S21 Ultra
| WLAN | Wi-Fi 6E 802.11 a/b/g/n/ac/ax | Wi-Fi 5 802.11 a/b/g/n/ac | ||
|---|---|---|---|---|
| Bluetooth | 5.2 | 5.1 | ||
| Positioning | BeiDou, GALILEO, GLONASS, GPS | A-GPS, Beidou, Galileo, Glonass, GPS, QZSS | ||
| NFC | Supported | Supported | ||
| Radio | FM Radio | - |
Features
| Fingerprint Scanner | Optical (under display) | Optical (under display) | ||
|---|---|---|---|---|
| Sensors | Accelerometer, Barometer Sensor, Geomagnetic Sensor, Gyroscope, Hall Sensor, Light Sensor, Proximity Sensor, Samsung DeX, Ultra Wideband (UWB) Support | Accelerometer, Ambient Light Sensor, Color Temperature Sensor, Geomagnetic Sensor, Gyroscope, Proximity Sensor |
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