Side by side comparison and review of ASUS ZenFone 2 Deluxe (ZE551ML) and Samsung Galaxy A21s. 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 2 Deluxe (ZE551ML) | Samsung Galaxy A21s |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZE551ML | SM-A217F/DSN | |
| Form Factor | Touch | Touch | |
| Height | 152.5 mm | 163.7 mm | Samsung Galaxy A21s has greater height than ASUS ZenFone 2 Deluxe (ZE551ML). |
| Width | 77.2 mm | 75.3 mm | ASUS ZenFone 2 Deluxe (ZE551ML) has greater width than Samsung Galaxy A21s. |
| Depth | 10.9 mm | 8.9 mm | Samsung Galaxy A21s is narrower than ASUS ZenFone 2 Deluxe (ZE551ML). |
| Weight | 170 g | 192 g | ASUS ZenFone 2 Deluxe (ZE551ML) is lighter than ASUS ZenFone 2 Deluxe (ZE551ML). |
| Body Colour | Purple | White | White | Blue | Black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.332 W/kg (body), 0.351 W/kg (head) | 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb) | |
| 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 |
|
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | ASUS ZenFone 2 Deluxe (ZE551ML) | Samsung Galaxy A21s |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | PLS TFT | |
| Screen Size (Display Size) | 5.5" | 6.5" | Samsung Galaxy A21s has larger screen size than ASUS ZenFone 2 Deluxe (ZE551ML). |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1600 x 720 pixels | ASUS ZenFone 2 Deluxe (ZE551ML) has better screen resolution than Samsung Galaxy A21s. |
| Display Format | Full HD | HD+ | |
| Pixel Density | 403 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Colour Depth | - | 16.7 million colours | |
| Display Enhancement Technology | Native Damage Resistance technology | - | |
| Display Features | ASUS Glove Touch technology | Infinity O display | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating, Corning Gorilla Glass 3 (scratch resistant glass) | - |
| PROCESSOR | ASUS ZenFone 2 Deluxe (ZE551ML) | Samsung Galaxy A21s |
|---|
| Processor Type (CPU) | Intel | - | |
|---|---|---|---|
| Clock Speed | - | 2 GHz | |
| Processor Core Qty | Quad-core | 8-core | Samsung Galaxy A21s has higher processor core quantity than ASUS ZenFone 2 Deluxe (ZE551ML). |
| Graphics System (GPU) | PowerVR G6430 | - |
| MEMORY | ASUS ZenFone 2 Deluxe (ZE551ML) | Samsung Galaxy A21s |
|---|
| RAM | 4 GB | 3 GB | ASUS ZenFone 2 Deluxe (ZE551ML) has more RAM than Samsung Galaxy A21s. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | ASUS ZenFone 2 Deluxe (ZE551ML) has more internal memory than Samsung Galaxy A21s. |
| User Memory | - | 19.5 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 512 GB |
| CAMERA | ASUS ZenFone 2 Deluxe (ZE551ML) | Samsung Galaxy A21s |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 48 Megapixel | Samsung Galaxy A21s has better camera resolution than ASUS ZenFone 2 Deluxe (ZE551ML). |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/2.0 | F/2.0 | Both phones have the same camera lens aperture. |
| Lens Construction | 5-element | - | |
| Field of View (FoV) | - | 80 degree(s) | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 8x | |
| HDR Mode | Super HDR | - | |
| Camera Modes | Night mode, manual mode, Beauty mode, Auto mode, super resolution mode | Live Focus mode | |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | - | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Zero Shutter Lag, Blue Glass Infrared Filter | Live Focus |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 123 degree(s) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Camera Functions (3rd Camera) | - | Macro camera | |
| Camera Features (3rd Camera) | - | 4cm macro photography |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (4th Camera) | - | F/2.4 | |
| Camera Functions (4th Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 13 Megapixel | Samsung Galaxy A21s has better front camera resolution than ASUS ZenFone 2 Deluxe (ZE551ML). |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/2.0 | F/2.2 | ASUS ZenFone 2 Deluxe (ZE551ML) has better front lens aperture than ASUS ZenFone 2 Deluxe (ZE551ML). |
| Focus Adjustment | Focus free | Focus free | |
| Camera Modes (Front) | Selfie panorama | - |
| BATTERY AND CHARGING | ASUS ZenFone 2 Deluxe (ZE551ML) | Samsung Galaxy A21s |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 5000 mAh | Samsung Galaxy A21s has larger battery capacity than ASUS ZenFone 2 Deluxe (ZE551ML). |
|---|---|---|---|
| Talk Time | - | 3240 minutes | |
| Run Time Details | - | Active online usage (4G): up to 23 hrs Active online usage (Wi-Fi): up to 23 hrs Playback (video): up to 21 hrs Playback (audio): up to 109 hrs Talk (4G): up to 3240 min |
|
| Battery Technology | Lithium polymer | Lithium Ion |
| CELLULAR | ASUS ZenFone 2 Deluxe (ZE551ML) | Samsung Galaxy A21s |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 5.0 (Lollipop) | - | |
| User Interface | ASUS ZenUI | One UI | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | ASUS ZenFone 2 Deluxe (ZE551ML) | Samsung Galaxy A21s |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 28, 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 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 5.0 LE | |
| NFC | - | Yes | Samsung Galaxy A21s has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | ASUS ZenFone 2 Deluxe (ZE551ML) | Samsung Galaxy A21s |
|---|
| 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, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | |
| Sound Enhancements | - | Dolby Atmos sound technology |
| FEATURES | ASUS ZenFone 2 Deluxe (ZE551ML) | Samsung Galaxy A21s |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Ambient light sensor, proximity sensor, digital compass, gyro sensor, G-sensor | Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor | |
| Security Devices | - | Face recognition, fingerprint reader | |
| Additional Phone Features | Kids Mode, ASUS TruVivid technology, Power Saving Mode, AudioWizard, ASUS BoostMaster technology, ASUS WebStorage (5GB) | Samsung KNOX, Virtual Light Sensing |
| OTHERS | ASUS ZenFone 2 Deluxe (ZE551ML) | Samsung Galaxy A21s |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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