Detailed comparison and review of ASUS ZenFone 4 (ZE554KL) and Samsung Galaxy S21 FE 5G. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
DESIGN AND DIMENSIONS | ASUS ZenFone 4 (ZE554KL) | Samsung Galaxy S21 FE 5G |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | ZE554KL | SM-G990B/DS | |
Form Factor | Touch | Touch | |
Height | 155.36 mm | 155.7 mm | Samsung Galaxy S21 FE 5G has greater height than ASUS ZenFone 4 (ZE554KL). |
Width | 75.24 mm | 74.5 mm | ASUS ZenFone 4 (ZE554KL) has greater width than Samsung Galaxy S21 FE 5G. |
Depth | 7.7 mm | 7.9 mm | ASUS ZenFone 4 (ZE554KL) is narrower than ASUS ZenFone 4 (ZE554KL). |
Weight | 165 g | 177 g | ASUS ZenFone 4 (ZE554KL) is lighter than ASUS ZenFone 4 (ZE554KL). |
Body Colour | Midnight black | Moonlight white | Olive | Graphite | White | Lavender | |
Protection | - | Dustproof, splashproof, water-resistant | |
Waterproof (Water-resistant) | - | - | |
IP rating | - | IP68 | |
SAR Value | 1.48 W/kg (body), 1.42 W/kg (head) | 1.48 W/kg (body), 0.952 W/kg (head), 2.91 W/kg (limb) | |
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 | |
SIM Card Qty | Dual-SIM | Dual-SIM | |
SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
DISPLAY | ASUS ZenFone 4 (ZE554KL) | Samsung Galaxy S21 FE 5G |
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Display Type | LCD display | OLED display | |
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Display Technology | Super IPS+ | Infinity-O Dynamic AMOLED 2X | |
Screen Size (Display Size) | 5.5" | 6.4" | Samsung Galaxy S21 FE 5G has larger screen size than ASUS ZenFone 4 (ZE554KL). |
Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2340 x 1080 pixels | Samsung Galaxy S21 FE 5G has better screen resolution than ASUS ZenFone 4 (ZE554KL). |
Display Format | Full HD | Full HD+ | |
Pixel Density | - | 401 ppi | |
Max Brightness | 600 cd/m² | - | |
Colour Depth | - | 16.7 million colours | |
HDR Technology | - | HDR10+ | |
Display Enhancement Technology | Bluelight Filter for Eye Care, Splendid technology | Eye Comfort Shield | |
Display Refresh Rate | - | 120 Hz | |
Display Features | 2.5D Glass | AOD(Always On Display), Infinity O display, Video Wallpaper | |
Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass), smudge-resistant oleophobic coating | Corning Gorilla Glass Victus (scratch resistant glass) |
PROCESSOR | ASUS ZenFone 4 (ZE554KL) | Samsung Galaxy S21 FE 5G |
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Processor Type (CPU) | Qualcomm Snapdragon 630 | - | |
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Clock Speed | 2.2 GHz | 2.84 GHz | Samsung Galaxy S21 FE 5G has higher clock speed than ASUS ZenFone 4 (ZE554KL). |
Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
64-bit Architecture | Yes | - | ASUS ZenFone 4 (ZE554KL) has 64-bit architecture. |
Graphics System (GPU) | Qualcomm ADRENO 508 | - |
MEMORY | ASUS ZenFone 4 (ZE554KL) | Samsung Galaxy S21 FE 5G |
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RAM | LPDDR4X SDRAM - 4 GB | 6 GB | Samsung Galaxy S21 FE 5G has more RAM than ASUS ZenFone 4 (ZE554KL). |
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Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | Samsung Galaxy S21 FE 5G has more internal memory than ASUS ZenFone 4 (ZE554KL). |
User Memory | - | 101.1 GB | |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | - |
CAMERA | ASUS ZenFone 4 (ZE554KL) | Samsung Galaxy S21 FE 5G |
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MAIN CAMERA |
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Number of Main Cameras | 2 | 3 | |
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Sensor Resolution | 12 Megapixel | 12 Megapixel | Both phones have the same camera resolution. |
Sensor Size | 1/2.55" | 1/1.76" | ASUS ZenFone 4 (ZE554KL) has better camera sensor size than Samsung Galaxy S21 FE 5G. |
Sensor Name | Sony Exmor RS IMX362 sensor | - | |
Lens Type | - | Wide-angle lens | |
Lens Aperture | F/1.8 | F/1.8 | Both phones have the same camera lens aperture. |
Lens Construction | 6-element | - | |
Field of View (FoV) | - | 79 degree(s) | |
Pixel Size | - | 1.8 μm | |
Optical Image Stabiliser (OIS) | 4 Stop OIS (Optical Image Stabilisation) | Optical Image Stabiliser (OIS) | Both phones have optical image stabilization. |
Focus Adjustment | Automatic | Automatic | |
Optical Zoom | - | 3x | |
Digital Zoom | - | 30x | |
Special Effects | HDR | Face retouch, Grid Line | |
HDR Mode | - | Auto HDR mode | |
Camera Modes | Panorama, Time-lapse mode, Pro mode, Beauty mode, Auto mode, super resolution mode, GIF animation function, portrait mode | Night mode, portrait mode | |
Light Source | Dual LED flash | LED flash | |
Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps | Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1280 x 720 (720p) at 960 fps | |
Camera Features (Functions) | 3-axis electronic image stabilisation, RAW image capture, Subject-Tracking Auto-Focus, PixelMaster 4.0 camera, 4-axis optical image stabilisation, 9 filters, Instant cameras switching, Dual Pixel Phase Detect Auto-Focus (PDAF) | Dual recording |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | 8 Megapixel | 12 Megapixel | Samsung Galaxy S21 FE 5G has better second camera resolution than ASUS ZenFone 4 (ZE554KL). |
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Lens Type (2nd Camera) | Wide-angle lens | Ultra wide-angle lens | |
Lens Aperture (2nd Camera) | - | F/2.2 | |
Field of View (2nd Camera) | - | 123 degree(s) | |
Pixel Size (2nd Camera) | - | 1.12 μm |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | - | 8 Megapixel | |
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Lens Type (3rd Camera) | - | Telephoto lens | |
Lens Aperture (3rd Camera) | - | F/2.4 | |
Field of View (3rd Camera) | - | 32 degree(s) | |
Pixel Size (3rd Camera) | - | 1 μm | |
Camera Features (3rd Camera) | - | Space Zoom x30 |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 8 Megapixel | 32 Megapixel | Samsung Galaxy S21 FE 5G has better front camera resolution than ASUS ZenFone 4 (ZE554KL). |
Lens Aperture (Front) | F/2.0 | F/2.2 | ASUS ZenFone 4 (ZE554KL) has better front lens aperture than ASUS ZenFone 4 (ZE554KL). |
Field of View (Front) | - | 81 degree(s) | |
Pixel Size (Front) | - | 0.8 μm | |
Focus Adjustment | - | Focus free | |
Special Effects (Front) | Collage | - | |
Camera Modes (Front) | Beauty mode, Auto mode, selfie panorama, GIF animation function, portrait mode, Smart beautification, Livestream beautification | - | |
Camera Features (Front) | PixelMaster camera, ASUS SelfieMaster technology, 9 filters | - |
BATTERY AND CHARGING | ASUS ZenFone 4 (ZE554KL) | Samsung Galaxy S21 FE 5G |
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Battery Capacity (Battery Size) | 3300 mAh | 4500 mAh | Samsung Galaxy S21 FE 5G has larger battery capacity than ASUS ZenFone 4 (ZE554KL). |
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Fast Charging Technology | ASUS Boost Master | Samsung Fast Charging | Both phones have fast charging technology. |
Wireless Charging | - | Yes | Samsung Galaxy S21 FE 5G can be charged wirelessly. |
Wireless Charging Standards | - | Wireless PowerShare | |
Standby Time | 552 hours | - | |
Talk Time | 1800 minutes | 2220 minutes | Samsung Galaxy S21 FE 5G has longer battery life when making calls than ASUS ZenFone 4 (ZE554KL). |
Run Time Details | Standby (4G): up to 552 hrs Talk (3G): up to 1800 min Playback (video): up to 16 hrs Continuous browsing (Wi-Fi): up to 18 hrs |
Talk (LTE): up to 2220 min Active online usage (LTE): up to 13 hrs Active online usage (Wi-Fi): up to 13 hrs Playback (video): up to 16 hrs Playback (audio): up to 79 hrs |
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Battery Technology | Lithium polymer | - |
CELLULAR | ASUS ZenFone 4 (ZE554KL) | Samsung Galaxy S21 FE 5G |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 5G | Samsung Galaxy S21 FE 5G has more advanced generation mobile network. |
Operating System | Android 7.0 Nougat | Android 12 | |
User Interface | ASUS ZenUI 4.0 | - | |
Intelligent Assistant | - | Bixby | |
Payment Technology | - | Samsung Pay | |
Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo, QZSS |
COMMUNICATIONS | ASUS ZenFone 4 (ZE554KL) | Samsung Galaxy S21 FE 5G |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, DC-HSPA+ | FDD-LTE, TDD-LTE, 5G NR FR1 | |
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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 3, Band 5, Band 6, Band 8, Band 19 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
3G UMTS Frequency | 2100, 1900, 1800, 850, 800, 900, 800 | 2100, 1900, 1700, 850, 900 | |
4G LTE Band | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 20, Band 26, Band 28, Band 32, Band 38, Band 40, Band 41, Band 66 | |
4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n78, n40 | |
5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3500, TDD 2300 | |
Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
Messaging Services | SMS, MMS | - |
MEDIA | ASUS ZenFone 4 (ZE554KL) | Samsung Galaxy S21 FE 5G |
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Supported Digital Audio Standards | - | WAV, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID | |
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Supported Digital Video Standards | - | MKV, FLV, AVI, 3GP, M4V, WebM, 3G2, MP4 | |
Sound Enhancements | DTS-HD Premium Sound, Hi-Res audio, DTS Headphone:X | Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound |
FEATURES | ASUS ZenFone 4 (ZE554KL) | Samsung Galaxy S21 FE 5G |
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Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
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Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, colour correction sensor | Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor, light sensor | |
Security Devices | - | Fingerprint reader | |
Additional Phone Features | Wi-Fi Miracast, Dual noise reduction microphones, Google Drive Storage (100 GB) (free for 2 years), NXP Smart AMP technology, ASUS Noise Reduction technology, Nano Molding Technology (NMT) | MIMO technology, Fast Charging, Samsung KNOX, Samsung DeX support, Samsung Smart Switch, Game mode |
OTHERS | ASUS ZenFone 4 (ZE554KL) | Samsung Galaxy S21 FE 5G |
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Included Accessories | Power adapter, SIM card removal tool, ASUS ZenEar with Mic, USB-C cable | SIM card removal tool, USB-C cable | |
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Compliant Standards | - | IP68 | |
Max Depth of Water Resistance | - | 1.5 m |