In depth comparison and review of OPPO A15 and Samsung Galaxy S21 FE 5G. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | OPPO A15 | Samsung Galaxy S21 FE 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | CPH2185 | SM-G990B/DS | |
| Form Factor | Touch | Touch | |
| Height | 164 mm | 155.7 mm | OPPO A15 has greater height than Samsung Galaxy S21 FE 5G. |
| Width | 75.4 mm | 74.5 mm | OPPO A15 has greater width than Samsung Galaxy S21 FE 5G. |
| Depth | 7.9 mm | 7.9 mm | Both phones are the same depth. |
| Weight | 175 g | 177 g | OPPO A15 is lighter than OPPO A15. |
| Body Colour | Dynamic black | Olive | Graphite | White | Lavender | |
| Protection | - | Dustproof, splashproof, water-resistant | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | - | IP68 | |
| SAR Value | 1.16 W/kg (body), 2.77 W/kg (limb), 0.92 W/kg (head) | 1.48 W/kg (body), 0.952 W/kg (head), 2.91 W/kg (limb) | |
| Connector Type | Micro-USB Handset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | OPPO A15 | Samsung Galaxy S21 FE 5G |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | LCD | Infinity-O Dynamic AMOLED 2X | |
| Screen Size (Display Size) | 6.52" | 6.4" | OPPO A15 has larger screen size than Samsung Galaxy S21 FE 5G. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2340 x 1080 pixels | Samsung Galaxy S21 FE 5G has better screen resolution than OPPO A15. |
| Display Format | HD+ | Full HD+ | |
| Pixel Density | 269 ppi | 401 ppi | Samsung Galaxy S21 FE 5G has better pixel density than OPPO A15. |
| Max Brightness | 480 cd/m² | - | |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | 1500:1 | - | |
| HDR Technology | - | HDR10+ | |
| Display Enhancement Technology | - | Eye Comfort Shield | |
| Display Refresh Rate | 60 Hz | 120 Hz | Samsung Galaxy S21 FE 5G has better refresh rate than OPPO A15. |
| Display Features | Dark mode, Waterdrop Screen | AOD(Always On Display), Infinity O display, Video Wallpaper | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass Victus (scratch resistant glass) |
| PROCESSOR | OPPO A15 | Samsung Galaxy S21 FE 5G |
|---|
| Processor Type (CPU) | MediaTek Helio P35 | - | |
|---|---|---|---|
| Processor Number | MT6765 | - | |
| Clock Speed | 2.3 GHz | 2.84 GHz | Samsung Galaxy S21 FE 5G has higher clock speed than OPPO A15. |
| Processor Core Qty | - | 8-core | |
| Graphics System (GPU) | IMG GE8320 | - |
| MEMORY | OPPO A15 | Samsung Galaxy S21 FE 5G |
|---|
| RAM | LPDDR4X SDRAM - 3 GB | 6 GB | Samsung Galaxy S21 FE 5G has more RAM than OPPO A15. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | Samsung Galaxy S21 FE 5G has more internal memory than OPPO A15. |
| User Memory | - | 101.1 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSD, microSDXC - up to 256 GB | - |
| CAMERA | OPPO A15 | Samsung Galaxy S21 FE 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 12 Megapixel | OPPO A15 has better camera resolution than Samsung Galaxy S21 FE 5G. |
| Sensor Size | - | 1/1.76" | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/2.2 | F/1.8 | Samsung Galaxy S21 FE 5G has better lens aperture than OPPO A15. |
| Lens Construction | 5-element | - | |
| Field of View (FoV) | - | 79 degree(s) | |
| Pixel Size | - | 1.8 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Samsung Galaxy S21 FE 5G has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Optical Zoom | - | 3x | |
| Digital Zoom | - | 30x | |
| Special Effects | HDR, Portrait bokeh | Face retouch, Grid Line | |
| HDR Mode | - | Auto HDR mode | |
| Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Expert Mode, Portrait, Night | Night mode, portrait mode | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | - | Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1280 x 720 (720p) at 960 fps | |
| Camera Features (Functions) | AI Triple camera, AI Scene Enhancement | Dual recording |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 2 Megapixel | 12 Megapixel | Samsung Galaxy S21 FE 5G has better second camera resolution than OPPO A15. |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.4 | F/2.2 | Samsung Galaxy S21 FE 5G has better second camera lens aperture than OPPO A15. |
| Lens Element Qty (2nd Camera) | 3-element | - | |
| Field of View (2nd Camera) | - | 123 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.12 μm | |
| Camera Functions (2nd Camera) | Macro camera | - | |
| Camera Features (2nd Camera) | 4cm macro photography | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 8 Megapixel | Samsung Galaxy S21 FE 5G has higher resolution third camera than OPPO A15. |
|---|---|---|---|
| Lens Type (3rd Camera) | - | Telephoto lens | |
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Lens Element Qty (3rd Camera) | 3-element | - | |
| Field of View (3rd Camera) | - | 32 degree(s) | |
| Pixel Size (3rd Camera) | - | 1 μm | |
| Camera Functions (3rd Camera) | Depth camera | - | |
| Camera Features (3rd Camera) | - | Space Zoom x30 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 32 Megapixel | Samsung Galaxy S21 FE 5G has better front camera resolution than OPPO A15. |
| Lens Aperture (Front) | F/2.4 | F/2.2 | Samsung Galaxy S21 FE 5G has better front lens aperture than OPPO A15. |
| Lens Element Qty (Front) | 3-element | - | |
| Field of View (Front) | - | 81 degree(s) | |
| Pixel Size (Front) | - | 0.8 μm | |
| Focus Adjustment | - | Focus free | |
| Camera Features (Front) | AI beautification | - |
| BATTERY AND CHARGING | OPPO A15 | Samsung Galaxy S21 FE 5G |
|---|
| Battery Capacity (Battery Size) | 4230 mAh | 4500 mAh | Samsung Galaxy S21 FE 5G has larger battery capacity than OPPO A15. |
|---|---|---|---|
| Fast Charging Technology | - | Samsung Fast Charging | Samsung Galaxy S21 FE 5G has fast charging technology. |
| Wireless Charging | - | Yes | Samsung Galaxy S21 FE 5G can be charged wirelessly. |
| Wireless Charging Standards | - | Wireless PowerShare | |
| Talk Time | - | 2220 minutes | |
| Run Time Details | - | Talk (LTE): up to 2220 min Active online usage (LTE): up to 13 hrs Active online usage (Wi-Fi): up to 13 hrs Playback (video): up to 16 hrs Playback (audio): up to 79 hrs |
| CELLULAR | OPPO A15 | Samsung Galaxy S21 FE 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Samsung Galaxy S21 FE 5G has more advanced generation mobile network. |
| Operating System | ColorOS 7.2 (based on Android 10) | Android 12 | |
| Intelligent Assistant | - | Bixby | |
| Payment Technology | - | Samsung Pay | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | OPPO A15 | Samsung Galaxy S21 FE 5G |
|---|
| Data Transmission | FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 850, 900 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 20, Band 26, Band 28, Band 32, Band 38, Band 40, Band 41, Band 66 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n78, n40 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3500, TDD 2300 | |
| Wireless Interface | Wi-Fi | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | - | Yes | Samsung Galaxy S21 FE 5G has NFC reader for mobile payments. |
| MEDIA | OPPO A15 | Samsung Galaxy S21 FE 5G |
|---|
| Supported Digital Audio Standards | AAC, apt-X, LDAC, SBC | WAV, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, FLV, AVI, 3GP, M4V, WebM, 3G2, MP4 | |
| Sound Enhancements | - | Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound |
| FEATURES | OPPO A15 | Samsung Galaxy S21 FE 5G |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | - | Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor, light sensor | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader | |
| Security Technology | AI face unlock | - | |
| Additional Phone Features | HyperBoost 2.1 | MIMO technology, Fast Charging, Samsung KNOX, Samsung DeX support, Samsung Smart Switch, Game mode |
| OTHERS | OPPO A15 | Samsung Galaxy S21 FE 5G |
|---|
| Included Accessories | Protective cover, USB cable, power adapter, SIM card removal tool | SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | - | IP68 | |
| Max Depth of Water Resistance | - | 1.5 m |
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