In depth comparison and review of Samsung Galaxy A40 and OPPO A15. 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 | Samsung Galaxy A40 | OPPO A15 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A405FN/DS | CPH2185 | |
| Form Factor | Touch | Touch | |
| Height | 144.4 mm | 164 mm | OPPO A15 has greater height than Samsung Galaxy A40. |
| Width | 69.2 mm | 75.4 mm | OPPO A15 has greater width than Samsung Galaxy A40. |
| Depth | 7.9 mm | 7.9 mm | Both phones are the same depth. |
| Weight | 140 g | 175 g | Samsung Galaxy A40 is lighter than Samsung Galaxy A40. |
| Body Colour | Blue | Coral | White | Black | Dynamic black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.34 W/kg (body), 0.49 W/kg (head) | 1.16 W/kg (body), 2.77 W/kg (limb), 0.92 W/kg (head) | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
Micro-USB Handset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | Samsung Galaxy A40 | OPPO A15 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Super AMOLED | LCD | |
| Screen Size (Display Size) | 5.9" | 6.52" | OPPO A15 has larger screen size than Samsung Galaxy A40. |
| Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 1600 x 720 pixels | Samsung Galaxy A40 has better screen resolution than OPPO A15. |
| Display Format | Full HD+ | HD+ | |
| Pixel Density | 439 ppi | 269 ppi | Samsung Galaxy A40 has better pixel density than OPPO A15. |
| Max Brightness | - | 480 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 1500:1 | |
| Display Enhancement Technology | Blue light filter | - | |
| Display Refresh Rate | - | 60 Hz | |
| Display Features | Always-on display, Infinity Display, Edge-to-Edge screen | Dark mode, Waterdrop Screen |
| PROCESSOR | Samsung Galaxy A40 | OPPO A15 |
|---|
| Processor Type (CPU) | Samsung Exynos | MediaTek Helio P35 | |
|---|---|---|---|
| Processor Number | 7904 | MT6765 | |
| Clock Speed | 1.8 GHz | 2.3 GHz | OPPO A15 has higher clock speed than Samsung Galaxy A40. |
| Processor Core Qty | 8-core | - | |
| Graphics System (GPU) | - | IMG GE8320 |
| MEMORY | Samsung Galaxy A40 | OPPO A15 |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 3 GB | Samsung Galaxy A40 has more RAM than OPPO A15. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | Samsung Galaxy A40 has more internal memory than OPPO A15. |
| User Memory | 49.4 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC, microSD, microSDXC - up to 256 GB |
| CAMERA | Samsung Galaxy A40 | OPPO A15 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 13 Megapixel | Samsung Galaxy A40 has better camera resolution than OPPO A15. |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/1.7 | F/2.2 | Samsung Galaxy A40 has better lens aperture than Samsung Galaxy A40. |
| Lens Construction | - | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR, Portrait bokeh | |
| Camera Modes | Panorama, Pro mode, HYPERLAPSE, portrait mode, AR Emoji, Flowers, Animals, Landscapes, Trees, Sky, Mountains, Beaches, Street scenes, Waterfalls, Snow, Birds, Text, Food, Indoor, Night view, Sunsets, Portaits, Green, Sunrises, Shore | Panorama, Time-lapse mode, Slow motion mode, Expert Mode, Portrait, Night | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | - | |
| Camera Features (Functions) | AR sticker, Scene Optimiser, 20 different scenes, Smart professional framing, fault detection | AI Triple camera, AI Scene Enhancement |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 2 Megapixel | Samsung Galaxy A40 has better second camera resolution than OPPO A15. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.4 | Samsung Galaxy A40 has better second camera lens aperture than Samsung Galaxy A40. |
| Lens Element Qty (2nd Camera) | - | 3-element | |
| Field of View (2nd Camera) | 123 degree(s) | - | |
| Camera Functions (2nd Camera) | - | Macro camera | |
| Camera Features (2nd Camera) | - | 4cm macro photography |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Camera Functions (3rd Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 25 Megapixel | 5 Megapixel | Samsung Galaxy A40 has better front camera resolution than OPPO A15. |
| Lens Aperture (Front) | F/2.0 | F/2.4 | Samsung Galaxy A40 has better front lens aperture than Samsung Galaxy A40. |
| Lens Element Qty (Front) | - | 3-element | |
| Focus Adjustment | Automatic | - | |
| Camera Modes (Front) | Portrait mode, AR Emoji, Motion Photos | - | |
| Light Source (Front) | Display flash | - | |
| Camera Features (Front) | Floating camera button | AI beautification |
| BATTERY AND CHARGING | Samsung Galaxy A40 | OPPO A15 |
|---|
| Battery Capacity (Battery Size) | 3100 mAh | 4230 mAh | OPPO A15 has larger battery capacity than Samsung Galaxy A40. |
|---|---|---|---|
| Fast Charging Technology | Samsung Fast Charging | - | Samsung Galaxy A40 has fast charging technology. |
| Talk Time | 1080 minutes | - | |
| Run Time Details | Active online usage (3G): up to 9 hrs Active online usage (4G): up to 11 hrs Active online usage (Wi-Fi): up to 11 hrs Playback (video): up to 14 hrs Playback (audio): up to 62 hrs Talk (3G): up to 1080 min |
- |
| CELLULAR | Samsung Galaxy A40 | OPPO A15 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 9.0 Pie | ColorOS 7.2 (based on Android 10) | |
| User Interface | Samsung One UI | - | |
| Intelligent Assistant | Bixby | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy A40 | OPPO A15 |
|---|
| 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 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40, Band 41 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300, TDD 2500 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+ | Wi-Fi | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.0 | |
| NFC | Yes | - | Samsung Galaxy A40 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy A40 | OPPO A15 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | AAC, apt-X, LDAC, SBC | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | - | |
| Sound Enhancements | Dolby Atmos sound technology | - |
| FEATURES | Samsung Galaxy A40 | OPPO A15 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor | - | |
| Security Devices | Face recognition, fingerprint reader | Face recognition, fingerprint reader | |
| Security Technology | - | AI face unlock | |
| Additional Phone Features | Alarm Clock, Fast Charging | HyperBoost 2.1 |
| OTHERS | Samsung Galaxy A40 | OPPO A15 |
|---|
| Included Accessories | Power adapter | Protective cover, USB cable, power adapter, SIM card removal tool |
|---|
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