In depth comparison and review of ASUS ZenFone 3 (ZE520KL) and Samsung Galaxy Z Fold2 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 | ASUS ZenFone 3 (ZE520KL) | Samsung Galaxy Z Fold2 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZE520KL | SM-F916B | |
| Form Factor | Touch | Folder - touch screen, dual screen | |
| Height | 146.87 mm | 159.2 mm | Samsung Galaxy Z Fold2 5G has greater height than ASUS ZenFone 3 (ZE520KL). |
| Width | 73.98 mm | 68 mm | ASUS ZenFone 3 (ZE520KL) has greater width than Samsung Galaxy Z Fold2 5G. |
| Depth | 7.69 mm | 16.8 mm | ASUS ZenFone 3 (ZE520KL) is narrower than ASUS ZenFone 3 (ZE520KL). |
| Weight | 144 g | 282 g | ASUS ZenFone 3 (ZE520KL) is lighter than ASUS ZenFone 3 (ZE520KL). |
| Dimensions Details | - | Folded - 68 mm x 16.8 mm x 159.2 mm Unfolded - 128.2 mm x 6.9 mm x 159.2 mm |
|
| Body Colour | Moon white | Gold shimmer | Black sapphire | Thom Browne Gray | Mystic black, metallic blue hinge | Mystic bronze, metallic blue hinge | Mystic black, metallic gold hinge | Mystic bronze, metallic gold hinge | Mystic black, metallic red hinge | Mystic bronze, metallic red hinge | Mystic black, metallic silver hinge | Mystic bronze, metallic silver hinge | Mystic black | Mystic bronze | |
| Body Material | Metal, glass | Gorilla glass 6 | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.938 W/kg (body), 0.278 W/kg (head) | 0.291 W/kg (head, LTE), 0.859 W/kg (head, 5G), 1.453 W/kg (body) | |
| 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 | |
| SIM Card Type (Size) | Nano SIM | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM (SIM1 and SIM2/MicroSD slots) | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | ASUS ZenFone 3 (ZE520KL) | Samsung Galaxy Z Fold2 5G |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | Super IPS+ | Infinity Flex Dynamic AMOLED 2X | |
| Foldable Display | - | Yes | |
| Display Design | - | Inward folding | |
| Screen Size (Display Size) | 5.2" | 7.6" | Samsung Galaxy Z Fold2 5G has larger screen size than ASUS ZenFone 3 (ZE520KL). |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2208 x 1768 pixels | Samsung Galaxy Z Fold2 5G has better screen resolution than ASUS ZenFone 3 (ZE520KL). |
| Display Format | Full HD | QXGA+ | |
| Pixel Density | - | 373 ppi | |
| Aspect Ratio | - | 22.5:18 | |
| Max Brightness | 600 cd/m² | - | |
| Colour Depth | - | 16.7 million colours | |
| HDR | - | Yes | Samsung Galaxy Z Fold2 5G has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Enhancement Technology | Bluelight Filter for Eye Care | - | |
| Display Refresh Rate | - | 120 Hz | |
| Display Features | ASUS Glove Touch technology, 2.5D curved glass | Flex screen | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating, Corning Gorilla Glass (scratch resistant glass) | Samsung Ultra Thin Glass, Corning Gorilla Glass Victus (scratch resistant glass) |
| SECOND DISPLAY |
|---|
| Second Display Type | - | OLED display - colour | |
|---|---|---|---|
| Second Display Screen Size | - | 6.2" | |
| Second Display Resolution | - | 2260 x 816 pixels | |
| Second Display Colour Depth | - | 16.7 million colours |
| UNFOLDED DISPLAY |
|---|
| Unfolded Display Screen Size | - | 7.6 in | |
|---|---|---|---|
| Unfolded Display Resolution | - | 2208 x 1768 pixels |
| PROCESSOR | ASUS ZenFone 3 (ZE520KL) | Samsung Galaxy Z Fold2 5G |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 625 | - | |
|---|---|---|---|
| Clock Speed | 2 GHz | 3.09 GHz | Samsung Galaxy Z Fold2 5G has higher clock speed than ASUS ZenFone 3 (ZE520KL). |
| 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 Z Fold2 5G |
|---|
| RAM | 3 GB | 12 GB | Samsung Galaxy Z Fold2 5G has more RAM than ASUS ZenFone 3 (ZE520KL). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 256 GB | Samsung Galaxy Z Fold2 5G has more internal memory than ASUS ZenFone 3 (ZE520KL). |
| User Memory | - | 220.6 GB | |
| Memory Interface | - | UFS 3.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | - |
| CAMERA | ASUS ZenFone 3 (ZE520KL) | Samsung Galaxy Z Fold2 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 12 Megapixel | ASUS ZenFone 3 (ZE520KL) has better camera resolution than Samsung Galaxy Z Fold2 5G. |
| Sensor Name | Sony Exmor RS IMX298 sensor | - | |
| Lens Type | - | Ultra wide-angle lens | |
| Lens Aperture | F/2.0 | F/2.2 | ASUS ZenFone 3 (ZE520KL) has better lens aperture than ASUS ZenFone 3 (ZE520KL). |
| Lens Construction | 6-element | - | |
| Field of View (FoV) | - | 123 degree(s) | |
| Pixel Size | - | 1.12 μm | |
| Optical Image Stabiliser (OIS) | 4 Stop OIS (Optical Image Stabilisation) | Dual OIS (Optical Image Stabilisation) | Both phones have optical image stabilization. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Optical Zoom | - | 2x | |
| Digital Zoom | - | 10x | |
| Self-Timer Delay | - | Yes | |
| Special Effects | Depth of field | HDR, Grid Line, Motion photos | |
| 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, Slow motion mode, Pro mode, selfie mode, HYPERLAPSE, Live Focus mode, Super Slow-mo, Flowers, Greenery, Trees, Sky, Beaches, Watersides, Snow, Backlit, Text, Food, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view, Live focus video, Night, Mountain, Single Take, Pro Video, NIGHT HYPERLAPSE | |
| Face Recognition (Face ID) | - | Face detection | Samsung Galaxy Z Fold2 5G has face detection. |
| Light Source | Dual LED flash | High CRI LED flash | |
| Video Resolutions | 3840 x 2160 (4K) | 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps | |
| Camera Features (Functions) | Sapphire crystal lens cover, GIF animation function, Smart Remove, Electronic Image Stabiliser (EIS), Time Rewind, Largan lens | Quick Launch, Playback zoom, blink detection, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, location tags, Hyperlapse video support 1080p, Scene Optimiser, Lens smudge, Full view, Flaw detection, Shot suggestions, blur detection, HDR10+ recording, Floating shutter button, Super steady, Zoom-In Mic, AR Doodle, Microphone Control, HEVC (High Efficiency Video coding), Dual preview, Auto framing, Flex mode, Capture View mode |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 12 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/1.8 | |
| Field of View (2nd Camera) | - | 83 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.8 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Samsung Galaxy Z Fold2 5G has optical stabilisation of the second camera. |
| Camera Features (2nd Camera) | - | Super Speed Dual Pixel AF |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 12 Megapixel | |
|---|---|---|---|
| Lens Type (3rd Camera) | - | Telephoto lens | |
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Field of View (3rd Camera) | - | 45 degree(s) | |
| Pixel Size (3rd Camera) | - | 1 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Samsung Galaxy Z Fold2 5G has optical stabilisation of the third camera. |
| Camera Features (3rd Camera) | - | Phase Detect Auto-Focus (PDAF) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 10 Megapixel | Samsung Galaxy Z Fold2 5G has better front camera resolution than ASUS ZenFone 3 (ZE520KL). |
| Lens Aperture (Front) | F/2.0 | F/2.2 | ASUS ZenFone 3 (ZE520KL) has better front lens aperture than ASUS ZenFone 3 (ZE520KL). |
| Field of View (Front) | - | 80 degree(s) | |
| Pixel Size (Front) | - | 1.22 μm | |
| Special Effects (Front) | - | HDR, Grid Line | |
| HDR Mode (Front) | Auto HDR mode | - | |
| Camera Modes (Front) | Selfie panorama | - | |
| Camera Features (Front) | PixelMaster camera | - |
| SECOND FRONT CAMERA |
|---|
| Sensor Resolution (2nd Front) | - | 10 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Front) | - | F/2.2 | |
| Field of View (2nd Front) | - | 80 degree(s) | |
| Pixel Size (2nd Front) | - | 1.22 μm |
| BATTERY AND CHARGING | ASUS ZenFone 3 (ZE520KL) | Samsung Galaxy Z Fold2 5G |
|---|
| Battery Capacity (Battery Size) | 2650 mAh | 4500 mAh | Samsung Galaxy Z Fold2 5G has larger battery capacity than ASUS ZenFone 3 (ZE520KL). |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 2.0, Samsung Super Fast Charging | Samsung Galaxy Z Fold2 5G has fast charging technology. |
| Wireless Charging | - | Yes | Samsung Galaxy Z Fold2 5G can be charged wirelessly. |
| Wireless Charging Standards | - | WPC, PMA, Qi, Fast Wireless Charging, Wireless PowerShare | |
| Talk Time | - | 1860 minutes | |
| Run Time Details | - | Active online usage (LTE): up to 11 hrs Active online usage (Wi-Fi): up to 11 hrs Playback (wireless video): up to 18 hrs Playback (wireless audio): up to 83 hrs Talk (4G): up to 1860 min |
| CELLULAR | ASUS ZenFone 3 (ZE520KL) | Samsung Galaxy Z Fold2 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Samsung Galaxy Z Fold2 5G has more advanced generation mobile network. |
| Operating System | Android 6.0 (Marshmallow) | Android 10 | |
| User Interface | ASUS ZenUI 3.0 | - | |
| Intelligent Assistant | - | Bixby | |
| Payment Technology | - | Samsung Pay | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | ASUS ZenFone 3 (ZE520KL) | Samsung Galaxy Z Fold2 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, DC-HSPA+ | FDD-LTE, TDD-LTE, LAA, 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 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41, Band 66 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n28, n41, n77, n78, n40 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 700APT, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD 2300 | |
| Wireless Interface | Infrared (IrDA), IEEE 802.11b/g/n/ac | IEEE 802.11a/b/g/n/ac, IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 LE | |
| NFC | - | Yes | Samsung Galaxy Z Fold2 5G has NFC reader for mobile payments. |
| Ultra-Wideband (UWB) | - | Yes | Samsung Galaxy Z Fold2 5G has UWB wireless technology. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | ASUS ZenFone 3 (ZE520KL) | Samsung Galaxy Z Fold2 5G |
|---|
| Supported Digital Audio Standards | - | WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128 | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, FLV, AVI, WMV, ASF, 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 | ASUS ZenFone 3 (ZE520KL) | Samsung Galaxy Z Fold2 5G |
|---|
| 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, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor, light sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader (side) | |
| 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 | Multitasking, MU-MIMO technology, Fast Charging, Samsung KNOX, High AOP Mic, Smart View, Samsung DeX support, Bixby Vision, Secure Folder function, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, dual battery, Flex mode, Multi Active Window, Bluetooth Scalable Codec, Hinge CAM technology, App Pair, Split Screen Capture |
| OTHERS | ASUS ZenFone 3 (ZE520KL) | Samsung Galaxy Z Fold2 5G |
|---|
| Included Accessories | Power adapter | Power adapter, SIM card removal tool, USB-C cable, protective case, Samsung Galaxy Buds Live | |
|---|---|---|---|
| Compliant Standards | - | VDE, SGS Eye Care Display Certification |
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