Side by side comparison and review of Samsung Galaxy A21s and OPPO A17. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Samsung Galaxy A21s | OPPO A17 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A217F/DSN | CPH2477 | |
| Form Factor | Touch | Touch | |
| Height | 163.7 mm | 164.2 mm | OPPO A17 has greater height than Samsung Galaxy A21s. |
| Width | 75.3 mm | 75.6 mm | OPPO A17 has greater width than Samsung Galaxy A21s. |
| Depth | 8.9 mm | 8.3 mm | OPPO A17 is narrower than Samsung Galaxy A21s. |
| Weight | 192 g | 189 g | OPPO A17 is lighter than Samsung Galaxy A21s. |
| Body Colour | White | Blue | Black | Lake blue | Midnight black | |
| Protection | - | Splash-resistant | |
| Waterproof (Water-resistant) | - | - | OPPO A17 is waterproof. |
| IP rating | - | IPX4 | |
| Repairability Index | - | 7.4 (out of 10) | |
| SAR Value | 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb) | 0.94 W/kg (body), 0.81 W/kg (head), 1.99 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
Micro-USB - 5 pin Micro-USB Type B Handset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy A21s | OPPO A17 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | PLS TFT | LCD | |
| Screen Size (Display Size) | 6.5" | 6.56" | OPPO A17 has larger screen size than Samsung Galaxy A21s. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 1612 x 720 pixels | OPPO A17 has better screen resolution than Samsung Galaxy A21s. |
| Display Format | HD+ | HD+ | |
| Pixel Density | - | 269 ppi | |
| Aspect Ratio | 20:9 | 20.1:9 | |
| Max Brightness | - | 600 cd/m² | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Contrast Ratio | - | 1500:1 | |
| Display Refresh Rate | - | 60 Hz | |
| Touch Sampling Rate | - | 120 Hz | |
| Display Features | Infinity O display | Night mode, Eye comfort mode, 100% DCI-P3, 96% NTSC, 100% sRGB, 72% NTSC | |
| Display Protection (Screen Protector) | - | Panda Glass MN228 |
| PROCESSOR | Samsung Galaxy A21s | OPPO A17 |
|---|
| Processor Type (CPU) | - | MediaTek Helio G35 | |
|---|---|---|---|
| Clock Speed | 2 GHz | 2.3 GHz | OPPO A17 has higher clock speed than Samsung Galaxy A21s. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | - | IMG GE8320 |
| MEMORY | Samsung Galaxy A21s | OPPO A17 |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 4 GB + up to 4 GB virtual extension | OPPO A17 has more RAM than Samsung Galaxy A21s. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | OPPO A17 has more internal memory than Samsung Galaxy A21s. |
| User Memory | 19.5 GB | - | |
| Memory Interface | - | eMMC 5.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Samsung Galaxy A21s | OPPO A17 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 2 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 50 Megapixel | OPPO A17 has better camera resolution than Samsung Galaxy A21s. |
| Sensor Size | - | 1/2.76" | |
| Sensor Name | - | Samsung S5KJN1 | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/2.0 | F/1.8 | OPPO A17 has better lens aperture than Samsung Galaxy A21s. |
| Lens Construction | - | 5-element | |
| Field of View (FoV) | 80 degree(s) | 77 degree(s) | Samsung Galaxy A21s has larger lens field of view than OPPO A17. |
| Pixel Size | - | 0.64 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | - | 27 mm | |
| Digital Zoom | 8x | 5x | Samsung Galaxy A21s has better digital zoom than OPPO A17. |
| Special Effects | - | Stickers | |
| Camera Modes | Live Focus mode | Panorama, Time-lapse mode, Expert Mode, Night | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Live Focus | Google Lens, open-loop motor, Panda Glass MN228 (protective lens glass) |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 0.3 Megapixel | Samsung Galaxy A21s has better second camera resolution than OPPO A17. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.8 | Samsung Galaxy A21s has better second camera lens aperture than Samsung Galaxy A21s. |
| Lens Element Qty (2nd Camera) | - | 2-element | |
| Field of View (2nd Camera) | 123 degree(s) | 60 degree(s) | Samsung Galaxy A21s has larger second camera lens field of view than OPPO A17. |
| Camera Features (2nd Camera) | - | IR lens |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | - | |
| Field of View (3rd Camera) | - | 55 degree(s) | |
| Camera Functions (3rd Camera) | Macro camera | - | |
| Camera Features (3rd Camera) | 4cm macro photography | - |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (4th Camera) | F/2.4 | - | |
| Camera Functions (4th Camera) | Depth camera | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 13 Megapixel | 5 Megapixel | Samsung Galaxy A21s has better front camera resolution than OPPO A17. |
| Sensor Size (Front) | - | 1/5" | |
| Lens Aperture (Front) | F/2.2 | F/2.2 | Both phones have the same front camera lens aperture. |
| Lens Element Qty (Front) | - | 3-element | |
| Field of View (Front) | - | 76.8 degree(s) | |
| Pixel Size (Front) | - | 1.12 μm | |
| Focus Adjustment | Focus free | Focus free | |
| Min Focal Length (Front) | - | 27 mm | |
| Special Effects (Front) | - | HDR, Stickers | |
| Camera Modes (Front) | - | Panorama, Time-lapse mode, Portrait | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | - | Face retouching |
| BATTERY AND CHARGING | Samsung Galaxy A21s | OPPO A17 |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 5000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Recharge Time (Charging Time) | - | 190 min | |
| Standby Time | - | 790 hours | |
| Talk Time | 3240 minutes | 1254 minutes | Samsung Galaxy A21s has longer battery life when making calls than OPPO A17. |
| Run Time Details | Active online usage (4G): up to 23 hrs Active online usage (Wi-Fi): up to 23 hrs Playback (video): up to 21 hrs Playback (audio): up to 109 hrs Talk (4G): up to 3240 min |
Standby: up to 790 hrs Playback (Music): up to 27.4 hrs Playback (video): up to 20 hrs Talk: up to 1254 min |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | Samsung Galaxy A21s | OPPO A17 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | - | ColorOS 12.1 (based on Android 12) | |
| User Interface | One UI | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy A21s | OPPO A17 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | Band 1, Band 3, Band 5, Band 8, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | FDD 2100, FDD 1800+, FDD 850, FDD 900, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.3 BLE | |
| NFC | Yes | - | Samsung Galaxy A21s has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy A21s | OPPO A17 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | WAV, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), apt-X, LDAC, MID, SBC | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | MKV, FLV, AVI, MOV, WMV, ASF, 3GP, H.264, TS, WebM, MP4 | |
| Sound Enhancements | Dolby Atmos sound technology | Dirac audio optimisation |
| FEATURES | Samsung Galaxy A21s | OPPO A17 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor | Accelerometer, proximity sensor, geomagnetic sensor, gravity sensor, light sensor | |
| Security Devices | Face recognition, fingerprint reader | Face recognition, fingerprint reader | |
| Additional Phone Features | Samsung KNOX, Virtual Light Sensing | OTG Reverse Charge |
| OTHERS | Samsung Galaxy A21s | OPPO A17 |
|---|
| Included Accessories | Power adapter | Power adapter, SIM card removal tool, protective case, micro-USB cable | |
|---|---|---|---|
| Compliant Standards | - | IPX4 |
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