In depth comparison and review of ASUS ZenFone Zoom (ZX551ML) and Samsung Galaxy A40. 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 A40 |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | ZX551ML | SM-A405FN/DS | |
Form Factor | Touch | Touch | |
Height | 158.9 mm | 144.4 mm | ASUS ZenFone Zoom (ZX551ML) has greater height than Samsung Galaxy A40. |
Width | 78.8 mm | 69.2 mm | ASUS ZenFone Zoom (ZX551ML) has greater width than Samsung Galaxy A40. |
Depth | 12 mm | 7.9 mm | Samsung Galaxy A40 is narrower than ASUS ZenFone Zoom (ZX551ML). |
Weight | 185 g | 140 g | Samsung Galaxy A40 is lighter than ASUS ZenFone Zoom (ZX551ML). |
Body Colour | Ceramic white | Pure black | Blue | Coral | White | Black | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 0.432 W/kg (body), 0.343 W/kg (head) | 1.34 W/kg (body), 0.49 W/kg (head) | |
Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
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SIM Card Type (Size) | Micro SIM | Nano SIM | |
SIM Card Qty | - | Dual-SIM | |
SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
DISPLAY | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy A40 |
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Display Type | LCD display | OLED display | |
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Display Technology | IPS | Super AMOLED | |
Screen Size (Display Size) | 5.5" | 5.9" | Samsung Galaxy A40 has larger screen size than ASUS ZenFone Zoom (ZX551ML). |
Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2340 x 1080 pixels | Samsung Galaxy A40 has better screen resolution than ASUS ZenFone Zoom (ZX551ML). |
Display Format | Full HD | Full HD+ | |
Pixel Density | 401 ppi | 439 ppi | Samsung Galaxy A40 has better pixel density than ASUS ZenFone Zoom (ZX551ML). |
Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
Display Enhancement Technology | - | Blue light filter | |
Display Features | - | Always-on display, Infinity Display, Edge-to-Edge screen | |
Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | - |
PROCESSOR | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy A40 |
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Processor Type (CPU) | Intel Atom | Samsung Exynos | |
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Processor Number | Z3590 | 7904 | |
Clock Speed | 2.5 GHz | 1.8 GHz | ASUS ZenFone Zoom (ZX551ML) has higher clock speed than Samsung Galaxy A40. |
Processor Core Qty | Quad-core | 8-core | Samsung Galaxy A40 has higher processor core quantity than ASUS ZenFone Zoom (ZX551ML). |
Graphics System (GPU) | PowerVR G6430 | - |
MEMORY | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy A40 |
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RAM | 4 GB | 4 GB | Both phones have the same RAM size. |
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Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | Samsung Galaxy A40 has more internal memory than ASUS ZenFone Zoom (ZX551ML). |
User Memory | - | 49.4 GB | |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 512 GB |
CAMERA | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy A40 |
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MAIN CAMERA |
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Number of Main Cameras | 1 | 2 | |
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Sensor Resolution | 13 Megapixel | 16 Megapixel | Samsung Galaxy A40 has better camera resolution than ASUS ZenFone Zoom (ZX551ML). |
Lens Type | - | Wide-angle lens | |
Lens Aperture | F/2.7-4.8 | F/1.7 | Samsung Galaxy A40 has better lens aperture than ASUS ZenFone Zoom (ZX551ML). |
Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | ASUS ZenFone Zoom (ZX551ML) has optical stabilisation. |
Focus Adjustment | Automatic | Automatic | |
Laser Auto Focus | Yes | - | |
Digital Zoom | 3x | - | |
HDR Mode | Auto HDR mode | - | |
Camera Modes | Panorama | 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 | |
Face Recognition (Face ID) | Face detection | - | ASUS ZenFone Zoom (ZX551ML) has face detection. |
Light Source | Dual LED flash | LED flash | |
Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps | |
Camera Features (Functions) | - | AR sticker, Scene Optimiser, 20 different scenes, Smart professional framing, fault detection |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | - | 5 Megapixel | |
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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 |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 5 Megapixel | 25 Megapixel | Samsung Galaxy A40 has better front camera resolution than ASUS ZenFone Zoom (ZX551ML). |
Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
Focus Adjustment | - | Automatic | |
Camera Modes (Front) | - | Portrait mode, AR Emoji, Motion Photos | |
Light Source (Front) | - | Display flash | |
Camera Features (Front) | - | Floating camera button |
BATTERY AND CHARGING | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy A40 |
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Battery Capacity (Battery Size) | 3000 mAh | 3100 mAh | Samsung Galaxy A40 has larger battery capacity than ASUS ZenFone Zoom (ZX551ML). |
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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 |
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Battery Technology | Lithium polymer | - |
CELLULAR | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy A40 |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
Operating System | Android 5.0 (Lollipop) | Android 9.0 Pie | |
User Interface | ASUS ZenUI 2.0 | Samsung One UI | |
Intelligent Assistant | - | Bixby | |
Navigation | A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo |
COMMUNICATIONS | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy A40 |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
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2G Band | 850 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 9, Band 18, Band 19, Band 28 | 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 1800, FDD 800 lower, FDD 800 upper, FDD 700 APT | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300, TDD 2500 | |
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 A40 |
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Supported Digital Audio Standards | - | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
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Supported Digital Video Standards | - | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | |
Sound Enhancements | - | Dolby Atmos sound technology |
FEATURES | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy A40 |
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Phone Functions | Speakerphone, call timer, conference call, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
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Sensors | Accelerometer, proximity sensor, digital compass, gyro sensor | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor | |
Security Devices | - | Face recognition, fingerprint reader | |
Additional Phone Features | Multitasking | Alarm Clock, Fast Charging |
OTHERS | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy A40 |
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Included Accessories | Power adapter | Power adapter |
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