OPPO Reno 15 5G vs Samsung Galaxy S21
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Overview
| Specs Score | 87 / 100 Better Specs | 86 / 100 |
| Display Size | 6.59 in Bigger Display | 6.2 in |
| Display Resolution | 1256 x 2760 pixels Better Resolution | 1080 x 2400 pixels |
| Screen To Body Ratio | ~ 93.4% Less Bezels | ~ 87.2% |
| Storage | 256 GB More Storage | 128 GB |
| Rear Camera | 50 MP + 50 MP + 8 MP Triple Better Camera Resolution | 64 MP + 12 MP + 12 MP Triple |
| Front Camera | 50 MP Better Front Camera Resolution | 10 MP |
| Weight | 197 g | 169 g Lighter |
| Battery | 6500 mAh Bigger Battery | 4000 mAh |
| Unique Features | No No IR Blaster | NFC Wireless Charging No |
General
| Country of Origin | India | |
| Model | CPH2825 | Galaxy S21 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 | December 02, 2025 | January 14, 2021 |
Design
| Dimensions | 74.8 x 158 x 7.8 mm | 71.2 x 151.7 x 7.9 mm |
| Weight | 197 g | 169 g |
| Colors | Aurora Blue, Twilight Blue, Aurora White |
Display
| Type | Color AMOLED Screen (1B Colors) | Color Dynamic AMOLED 2X (16M Colors) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes |
| Size | 6.59 inches, 1256 x 2760 pixels, 120 Hz | 6.2 inches, 1080 x 2400 pixels, 120 Hz |
| Aspect Ratio | 19.5:9 | 20:9 |
| PPI | ~ 460 PPI | ~ 421 PPI |
| Screen to Body Ratio | ~ 93.4% | ~ 87.2% |
| Glass Type | Corning Gorilla GG7i Glass+ | Corning Gorilla Glass Victus |
| Brightness | Normal brightness: 600nits (Typical) HBM: 1200nits (Typical), 3600 nits (peak) | |
| Features | Standard Mode: 100% DCI-P3 Natural Mode: 100% DCI-P3 Vivid Mode: 100% DCI-P3 | Always-on Display, HDR10+ |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
Memory
| RAM | 8 GB | 8 GB |
| RAM Type | LPDDR5X | |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 256 GB | 128 GB |
| Storage Type | UFS 3.1 | UFS 3.1 |
| Card Slot | No |
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 |
| Wifi Version | Wi-Fi 7 | |
| Bluetooth | Yes, v5.4, A2DP, LE, aptX HD | Yes, v5.0, A2DP, LE |
| USB | Yes, USB-C v2.0 | 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, 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 | |
| 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 | 50 MP ƒ/1.8 (Wide Angle) FOV 79°; 5P lens; AF supported; Supports 2-axis OIS 50 MP ƒ/2.8 (Telephoto) FOV 30°; 4P lens; AF supported; Supports 2-axis OIS, 3.5x 8 MP ƒ/2.2 (Ultra Wide) Ultra Wide Selfie Camera with 100° FOV | 12 MP ƒ/1.8 (Wide Angle) 64 MP ƒ/2 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) |
| OIS | Yes | Yes |
| Auto Focus | Yes | |
| Features | Photo, Video, Portrait, Night, PRO, Panorama, SLO-MO, Dual-view video, TIME-LAPSE, STICKER, HI-RES, Google Lens, Underwater, Text Scanner, Doc Scanner, Movie | 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 (Ultra Wide) Punch Hole | 10 MP ƒ/2.2 (Wide Angle) Punch Hole |
| 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 | Qualcomm Snapdragon 7 Gen4 | Samsung Exynos 2100 |
| CPU | 2.8 GHz, Octa Core Processor | 2.9 GHz, Octa Core Processor |
| Core Details | 1x Prime Core@ 2.8 GHz& 4 Performance Cores@ 2.4 GHz & 3x Efficiency Cores@ 1.8 GHz | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 |
| Fabrication Node | TSMC 4nm | |
| GPU | Adreno 722 | Mali-G78 MP14 |
| NPU | Qualcomm Hexagon NPU | |
| 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 | 6500 mAh | 4000 mAh, Li-Po Battery |
| Fast Charging | Yes, 80W Fast Charging | Yes, 25W Fast Charging |
| Wireless Charging | Yes, 15W | |
| Reverse Charging | Yes | Yes, 4.5W |
Discuss
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