In depth comparison and review of ASUS ZenFone Zoom (ZX551ML) and Samsung Galaxy Z Flip. 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 Zoom (ZX551ML) | Samsung Galaxy Z Flip |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZX551ML | SM-F700F/DS | |
| Form Factor | Touch | Folder (flip) - touch screen, dual screen | |
| Height | 158.9 mm | 167.3 mm | Samsung Galaxy Z Flip has greater height than ASUS ZenFone Zoom (ZX551ML). |
| Width | 78.8 mm | 73.6 mm | ASUS ZenFone Zoom (ZX551ML) has greater width than Samsung Galaxy Z Flip. |
| Depth | 12 mm | 6.9 mm | Samsung Galaxy Z Flip is narrower than ASUS ZenFone Zoom (ZX551ML). |
| Weight | 185 g | 183 g | Samsung Galaxy Z Flip is lighter than ASUS ZenFone Zoom (ZX551ML). |
| Dimensions Details | - | Unfolded - 73.6 mm x 6.9 mm x 167.3 mm Folded - 73.6 mm x 15.4 mm x 87.4 mm |
|
| Body Colour | Ceramic white | Pure black | Grey | Mirror black | Mirror purple | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.432 W/kg (body), 0.343 W/kg (head) | 0.369 W/kg (head), 1.546 W/kg (body) | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Micro SIM | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | - | Dual-SIM |
| DISPLAY | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy Z Flip |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | Infinity Flex Dynamic AMOLED | |
| Screen Size (Display Size) | 5.5" | 6.7" | Samsung Galaxy Z Flip has larger screen size than ASUS ZenFone Zoom (ZX551ML). |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2636 x 1080 pixels | Samsung Galaxy Z Flip has better screen resolution than ASUS ZenFone Zoom (ZX551ML). |
| Display Format | Full HD | Full HD+ | |
| Pixel Density | 401 ppi | 425 ppi | Samsung Galaxy Z Flip has better pixel density than ASUS ZenFone Zoom (ZX551ML). |
| Aspect Ratio | - | 21.9:9 | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Features | - | Always-on display, Edge Screen, Edge Lighting, Video Wallpaper | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | Samsung Ultra Thin Glass |
| SECOND DISPLAY |
|---|
| Second Display Type | - | OLED display - colour | |
|---|---|---|---|
| Second Display Screen Size | - | 1.05" | |
| Second Display Resolution | - | 300 x 112 pixels | |
| Second Display Colour Depth | - | 16.7 million colours |
| PROCESSOR | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy Z Flip |
|---|
| Processor Type (CPU) | Intel Atom | - | |
|---|---|---|---|
| Processor Number | Z3590 | - | |
| Clock Speed | 2.5 GHz | 2.9 GHz | Samsung Galaxy Z Flip has higher clock speed than ASUS ZenFone Zoom (ZX551ML). |
| Processor Core Qty | Quad-core | 8-core | Samsung Galaxy Z Flip has higher processor core quantity than ASUS ZenFone Zoom (ZX551ML). |
| 64-bit Architecture | - | Yes | Samsung Galaxy Z Flip has 64-bit architecture. |
| Graphics System (GPU) | PowerVR G6430 | - |
| MEMORY | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy Z Flip |
|---|
| RAM | 4 GB | 8 GB | Samsung Galaxy Z Flip has more RAM than ASUS ZenFone Zoom (ZX551ML). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 256 GB | Samsung Galaxy Z Flip has more internal memory than ASUS ZenFone Zoom (ZX551ML). |
| User Memory | - | 223.3 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | - |
| CAMERA | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy Z Flip |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 12 Megapixel | ASUS ZenFone Zoom (ZX551ML) has better camera resolution than Samsung Galaxy Z Flip. |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/2.7-4.8 | F/1.8 | Samsung Galaxy Z Flip has better lens aperture than ASUS ZenFone Zoom (ZX551ML). |
| Field of View (FoV) | - | 78 degree(s) | |
| Pixel Size | - | 1.4 μm | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | Both phones have optical image stabilization. |
| Focus Adjustment | Automatic | Automatic, manual | |
| Laser Auto Focus | Yes | - | |
| Digital Zoom | 3x | 8x | Samsung Galaxy Z Flip has better digital zoom than ASUS ZenFone Zoom (ZX551ML). |
| Self-Timer Delay | - | Yes | |
| Special Effects | - | HDR, Grid Line | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama | Slow motion video, Panorama, Pro mode, HYPERLAPSE, Live Focus mode, Super Slow-mo, AR Emoji, Flowers, Greenery, Trees, Sky, Mountains, Beaches, Watersides, Snow, Backlit, Text, Motion Photos, Food, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view, Live focus video, Filter mode | |
| Face Recognition (Face ID) | Face detection | - | ASUS ZenFone Zoom (ZX551ML) has face detection. |
| Light Source | Dual LED flash | High CRI LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1280 x 720 (720p) at 960 fps | |
| Camera Features (Functions) | - | Quick Launch, Playback zoom, blink detection, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, location tags, Hyperlapse video support 1080p, Scene Optimiser, Flaw detection, 9.1MP still photos recording 4K video, Shot suggestions, blur detection, HDR10+ recording, Floating shutter button, Super steady, Super Speed Dual Pixel AF, AR Doodle |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 12 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) | 5 Megapixel | 10 Megapixel | Samsung Galaxy Z Flip has better front camera resolution than ASUS ZenFone Zoom (ZX551ML). |
| Lens Aperture (Front) | F/2.0 | F/2.4 | ASUS ZenFone Zoom (ZX551ML) has better front lens aperture than ASUS ZenFone Zoom (ZX551ML). |
| Field of View (Front) | - | 80 degree(s) | |
| Pixel Size (Front) | - | 1.22 μm | |
| Focus Adjustment | - | Automatic | |
| Camera Modes (Front) | - | Live Focus mode, Live focus video |
| BATTERY AND CHARGING | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy Z Flip |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 3300 mAh | Samsung Galaxy Z Flip has larger battery capacity than ASUS ZenFone Zoom (ZX551ML). |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 2.0, Adaptive Fast Charging | Samsung Galaxy Z Flip has fast charging technology. |
| Wireless Charging | - | Yes | Samsung Galaxy Z Flip can be charged wirelessly. |
| Wireless Charging Standards | - | WPC, Qi, Wireless PowerShare | |
| Talk Time | - | 2100 minutes | |
| Run Time Details | - | Active online usage (LTE): up to 13 hrs Active online usage (Wi-Fi): up to 13 hrs Playback (wireless video): up to 18 hrs Playback (wireless audio): up to 42 hrs Talk (LTE): up to 2100 min |
|
| Battery Technology | Lithium polymer | - |
| CELLULAR | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy Z Flip |
|---|
| Technology | WCDMA (UMTS) / GSM | TD-SCDMA / WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 5.0 (Lollipop) | Android 10 | |
| User Interface | ASUS ZenUI 2.0 | - | |
| Intelligent Assistant | - | Bixby | |
| Payment Technology | - | Samsung Pay | |
| Navigation | A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy Z Flip |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, Gigabit LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X, 2100 CDMA2000 1X (AWS) | |
| 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 9, Band 18, Band 19, Band 28 | 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 29, Band 30, Band 34, 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 1800, FDD 800 lower, FDD 800 upper, FDD 700 APT | 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, FDD 700d, FDD 2300 WCS, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac, ANT+ | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 5.0 LE | |
| Bluetooth Profiles | A2DP | - | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy Z Flip |
|---|
| Supported Digital Audio Standards | - | WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128 | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | |
| Sound Enhancements | - | Dolby Digital Plus sound, Dolby Digital sound |
| FEATURES | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy Z Flip |
|---|
| Phone Functions | Speakerphone, call timer, conference call, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, digital compass, gyro sensor | Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | |
| Security Devices | - | Face recognition, fingerprint reader (side) | |
| Additional Phone Features | Multitasking | MU-MIMO technology, Samsung KNOX, High AOP Mic, Smart View, Bixby Vision, Bixby Routines, Intelligent Performance Enhancer, Flex mode, Multi Active Window, Thom Browne Theme |
| OTHERS | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy Z Flip |
|---|
| Included Accessories | Power adapter | Power adapter, leather cover, Galaxy Watch Active2, gray leather and a black rubber watch straps, Galaxy Buds+ (Thom Browne colors and a grey cradle) | |
|---|---|---|---|
| Compliant Standards | - | VDE |
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