Side by side comparison and review of ASUS ZenFone 3 (ZE520KL) and Samsung Galaxy A40. 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 | ASUS ZenFone 3 (ZE520KL) | Samsung Galaxy A40 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZE520KL | SM-A405FN/DS | |
| Form Factor | Touch | Touch | |
| Height | 146.87 mm | 144.4 mm | ASUS ZenFone 3 (ZE520KL) has greater height than Samsung Galaxy A40. |
| Width | 73.98 mm | 69.2 mm | ASUS ZenFone 3 (ZE520KL) has greater width than Samsung Galaxy A40. |
| Depth | 7.69 mm | 7.9 mm | ASUS ZenFone 3 (ZE520KL) is narrower than ASUS ZenFone 3 (ZE520KL). |
| Weight | 144 g | 140 g | Samsung Galaxy A40 is lighter than ASUS ZenFone 3 (ZE520KL). |
| Body Colour | Moon white | Gold shimmer | Black sapphire | Blue | Coral | White | Black | |
| Body Material | Metal, glass | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.938 W/kg (body), 0.278 W/kg (head) | 1.34 W/kg (body), 0.49 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM (SIM1 and SIM2/MicroSD slots) | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | Nano SIM + nano SIM/microSD |
| DISPLAY | ASUS ZenFone 3 (ZE520KL) | Samsung Galaxy A40 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | Super IPS+ | Super AMOLED | |
| Screen Size (Display Size) | 5.2" | 5.9" | Samsung Galaxy A40 has larger screen size than ASUS ZenFone 3 (ZE520KL). |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2340 x 1080 pixels | Samsung Galaxy A40 has better screen resolution than ASUS ZenFone 3 (ZE520KL). |
| Display Format | Full HD | Full HD+ | |
| Pixel Density | - | 439 ppi | |
| Max Brightness | 600 cd/m² | - | |
| Colour Depth | - | 16.7 million colours | |
| Display Enhancement Technology | Bluelight Filter for Eye Care | Blue light filter | |
| Display Features | ASUS Glove Touch technology, 2.5D curved glass | Always-on display, Infinity Display, Edge-to-Edge screen | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating, Corning Gorilla Glass (scratch resistant glass) | - |
| PROCESSOR | ASUS ZenFone 3 (ZE520KL) | Samsung Galaxy A40 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 625 | Samsung Exynos | |
|---|---|---|---|
| Processor Number | - | 7904 | |
| Clock Speed | 2 GHz | 1.8 GHz | ASUS ZenFone 3 (ZE520KL) has higher clock speed than Samsung Galaxy A40. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | ASUS ZenFone 3 (ZE520KL) has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 506 | - |
| MEMORY | ASUS ZenFone 3 (ZE520KL) | Samsung Galaxy A40 |
|---|
| RAM | 3 GB | 4 GB | Samsung Galaxy A40 has more RAM than ASUS ZenFone 3 (ZE520KL). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | Samsung Galaxy A40 has more internal memory than ASUS ZenFone 3 (ZE520KL). |
| User Memory | - | 49.4 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSDHC, microSDXC - up to 512 GB |
| CAMERA | ASUS ZenFone 3 (ZE520KL) | Samsung Galaxy A40 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 16 Megapixel | Both phones have the same camera resolution. |
| Sensor Name | Sony Exmor RS IMX298 sensor | - | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/2.0 | F/1.7 | Samsung Galaxy A40 has better lens aperture than ASUS ZenFone 3 (ZE520KL). |
| Lens Construction | 6-element | - | |
| Optical Image Stabiliser (OIS) | 4 Stop OIS (Optical Image Stabilisation) | - | ASUS ZenFone 3 (ZE520KL) has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Special Effects | Depth of field | - | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama, Time-lapse mode, night mode, manual mode, Real time beauty mode, super resolution mode, All Smiles mode, Mini mode | 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 | |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 3840 x 2160 (4K) | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Sapphire crystal lens cover, GIF animation function, Smart Remove, Electronic Image Stabiliser (EIS), Time Rewind, Largan lens | AR sticker, Scene Optimiser, 20 different scenes, Smart professional framing, fault detection |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 123 degree(s) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 25 Megapixel | Samsung Galaxy A40 has better front camera resolution than ASUS ZenFone 3 (ZE520KL). |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Focus Adjustment | - | Automatic | |
| HDR Mode (Front) | Auto HDR mode | - | |
| Camera Modes (Front) | Selfie panorama | Portrait mode, AR Emoji, Motion Photos | |
| Light Source (Front) | - | Display flash | |
| Camera Features (Front) | PixelMaster camera | Floating camera button |
| BATTERY AND CHARGING | ASUS ZenFone 3 (ZE520KL) | Samsung Galaxy A40 |
|---|
| Battery Capacity (Battery Size) | 2650 mAh | 3100 mAh | Samsung Galaxy A40 has larger battery capacity than ASUS ZenFone 3 (ZE520KL). |
|---|---|---|---|
| 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 | ASUS ZenFone 3 (ZE520KL) | Samsung Galaxy A40 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 6.0 (Marshmallow) | Android 9.0 Pie | |
| User Interface | ASUS ZenUI 3.0 | Samsung One UI | |
| Intelligent Assistant | - | Bixby | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | ASUS ZenFone 3 (ZE520KL) | Samsung Galaxy A40 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, DC-HSPA+ | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 | |
| 3G UMTS Frequency | - | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, 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 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | Infrared (IrDA), IEEE 802.11b/g/n/ac | IEEE 802.11a/b/g/n/ac, ANT+ | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 LE | |
| NFC | - | Yes | Samsung Galaxy A40 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | ASUS ZenFone 3 (ZE520KL) | Samsung Galaxy A40 |
|---|
| Supported Digital Audio Standards | - | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | |
| Sound Enhancements | - | Dolby Atmos sound technology |
| FEATURES | ASUS ZenFone 3 (ZE520KL) | Samsung Galaxy A40 |
|---|
| 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, digital compass, gyro sensor, hall sensor, RGB sensor | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Additional Phone Features | Infrared remote control, Dual microphones, Hi-Res Audio, Google Drive Storage (100 GB) (free for 2 years), ASUS SonicMaster 3.0 technology, ASUS NoiseZero Talk technology | Alarm Clock, Fast Charging |
| OTHERS | ASUS ZenFone 3 (ZE520KL) | Samsung Galaxy A40 |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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