In depth comparison and review of ASUS ZenFone 5Z (ZS620KL) and Alcatel 1S (2021). 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 5Z (ZS620KL) | Alcatel 1S (2021) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZS620KL | - | |
| Form Factor | Touch | Touch | |
| Height | 153 mm | 165.64 mm | Alcatel 1S (2021) has greater height than ASUS ZenFone 5Z (ZS620KL). |
| Width | 75.65 mm | 75.59 mm | ASUS ZenFone 5Z (ZS620KL) has greater width than Alcatel 1S (2021). |
| Depth | 7.7 mm | 8.8 mm | ASUS ZenFone 5Z (ZS620KL) is narrower than ASUS ZenFone 5Z (ZS620KL). |
| Weight | 155 g | 190 g | ASUS ZenFone 5Z (ZS620KL) is lighter than ASUS ZenFone 5Z (ZS620KL). |
| Body Colour | Midnight blue | Meteor silver | - | |
| Body Material | Aluminium | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 2.99 W/kg (limb), 1.42 W/kg (body), 0.42 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | Nano SIM + nano SIM/microSD |
| DISPLAY | ASUS ZenFone 5Z (ZS620KL) | Alcatel 1S (2021) |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS+ | IPS | |
| Screen Size (Display Size) | 6.2" | 6.52" | Alcatel 1S (2021) has larger screen size than ASUS ZenFone 5Z (ZS620KL). |
| Screen Resolution (Display Resolution) | 2246 x 1080 pixels | 1600 x 720 pixels | ASUS ZenFone 5Z (ZS620KL) has better screen resolution than Alcatel 1S (2021). |
| Display Format | - | HD+ | |
| Pixel Density | 402 ppi | - | |
| Aspect Ratio | 18:5:9 | 20:9 | |
| Max Brightness | 550 cd/m² | - | |
| Display Enhancement Technology | Bluelight Filter for Eye Care | - | |
| Display Features | DCI-P3 Wide colour gamut, Auto Colour Temperature, Smart Screen On | 2.5D Glass, Reading mode, Dark mode, Vast Display, One-handed Mode | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass), smudge-resistant oleophobic coating | - |
| PROCESSOR | ASUS ZenFone 5Z (ZS620KL) | Alcatel 1S (2021) |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 845 | MediaTek | |
|---|---|---|---|
| Processor Number | - | MTK6762D | |
| Clock Speed | - | 1.8 GHz | |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | ASUS ZenFone 5Z (ZS620KL) has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 630 | IMG GE8320 |
| MEMORY | ASUS ZenFone 5Z (ZS620KL) | Alcatel 1S (2021) |
|---|
| RAM | LPDDR4X SDRAM - 4 GB | 3 GB | ASUS ZenFone 5Z (ZS620KL) has more RAM than Alcatel 1S (2021). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | ASUS ZenFone 5Z (ZS620KL) has more internal memory than Alcatel 1S (2021). |
| User Memory | - | 17 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSDHC, microSD, microSDXC - up to 512 GB |
| CAMERA | ASUS ZenFone 5Z (ZS620KL) | Alcatel 1S (2021) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 13 Megapixel | Alcatel 1S (2021) has better camera resolution than ASUS ZenFone 5Z (ZS620KL). |
| Sensor Size | 1/2.55" | 1/3.06" | Alcatel 1S (2021) has better camera sensor size than ASUS ZenFone 5Z (ZS620KL). |
| Sensor Name | Sony Exmor RS IMX363 sensor | - | |
| Lens Aperture | F/1.8 | F/2.0 | ASUS ZenFone 5Z (ZS620KL) has better lens aperture than ASUS ZenFone 5Z (ZS620KL). |
| Lens Construction | 6-element | 5-element | |
| Field of View (FoV) | - | 77.1 degree(s) | |
| Pixel Size | - | 1.12 μm | |
| Optical Image Stabiliser (OIS) | 4 Stop OIS (Optical Image Stabilisation) | - | ASUS ZenFone 5Z (ZS620KL) has optical stabilisation. |
| Focus Adjustment | - | Automatic | |
| Special Effects | Night HDR | HDR | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama, Pro mode, Beauty mode, Auto mode, super resolution mode, GIF animation function, Real-Time Beautification, Real-time Protrait, Time Lapse (with power saving mode) | Panorama, Pro mode, Best Shot, Bokeh Mode, Light Trace | |
| Face Recognition (Face ID) | - | Face tracking | Alcatel 1S (2021) has face detection. |
| Light Source | LED flash | Single tone 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 | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Dual Pixel technology, Phase Detect Auto-Focus (PDAF), 3-axis electronic image stabilisation, RAW image capture, 4-axis optical image stabilisation, Instant cameras switching, Live Emoji, 8 filters, AI Photo Learning, 32s long exposure | Phase Detect Auto-Focus (PDAF), EIS video stabilisation, AI scene detection, AI Composition, AI Filter, Smart Album |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 2 Megapixel | ASUS ZenFone 5Z (ZS620KL) has better second camera resolution than Alcatel 1S (2021). |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/5" | |
| Lens Type (2nd Camera) | Wide-angle lens | - | |
| Lens Aperture (2nd Camera) | - | F/2.4 | |
| Lens Element Qty (2nd Camera) | - | 3-element | |
| Field of View (2nd Camera) | - | 87.3 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.12 μm | |
| Camera Functions (2nd Camera) | - | Depth camera | |
| Camera Features (2nd Camera) | 3-axis electronic image stabilisation | 3-piece lens |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Sensor Size (3rd Camera) | - | 1/5" | |
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Field of View (3rd Camera) | - | 84 degree(s) | |
| Pixel Size (3rd Camera) | - | 1.65 μm | |
| Camera Functions (3rd Camera) | - | Macro camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 5 Megapixel | ASUS ZenFone 5Z (ZS620KL) has better front camera resolution than Alcatel 1S (2021). |
| Sensor Size (Front) | - | 1/5" | |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/2.0 | F/2.2 | ASUS ZenFone 5Z (ZS620KL) has better front lens aperture than ASUS ZenFone 5Z (ZS620KL). |
| Field of View (Front) | - | 76 degree(s) | |
| Pixel Size (Front) | - | 1.12 μm | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | Night HDR | Face Beautification | |
| HDR Mode (Front) | Auto HDR mode | - | |
| Camera Modes (Front) | Beauty mode, Auto mode, selfie panorama, GIF animation function | Night mode, Bokeh Mode | |
| Face Recognition (Face ID) | - | Face tracking | Alcatel 1S (2021) has face detection. |
| Light Source (Front) | - | Display flash | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Front) | PixelMaster camera, Electronic Image Stabiliser (EIS), 8 filters | - |
| BATTERY AND CHARGING | ASUS ZenFone 5Z (ZS620KL) | Alcatel 1S (2021) |
|---|
| Battery Capacity (Battery Size) | 3300 mAh | 4000 mAh | Alcatel 1S (2021) has larger battery capacity than ASUS ZenFone 5Z (ZS620KL). |
|---|---|---|---|
| Fast Charging Technology | BoostMaster Fast Charging | - | ASUS ZenFone 5Z (ZS620KL) has fast charging technology. |
| Recharge Time (Charging Time) | - | 150 min | |
| Standby Time | - | 512 hours | |
| Talk Time | - | 1920 minutes | |
| Run Time Details | - | Standby (2G): up to 512 hrs Standby (3G): up to 488 hrs Standby (4G): up to 392 hrs Talk (4G): up to 1200 min Talk (2G): up to 1920 min |
|
| Battery Technology | Lithium polymer | - |
| CELLULAR | ASUS ZenFone 5Z (ZS620KL) | Alcatel 1S (2021) |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 9.0 Pie | Android 11 | |
| User Interface | ASUS ZenUI 5.0 | - | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | ASUS ZenFone 5Z (ZS620KL) | Alcatel 1S (2021) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE, DC-HSPA+ | GPRS, EDGE, HSPA+, 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 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | - | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11ac | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| Bluetooth Profiles | A2DP | - | |
| NFC | Yes | - | ASUS ZenFone 5Z (ZS620KL) has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | ASUS ZenFone 5Z (ZS620KL) | Alcatel 1S (2021) |
|---|
| Supported Digital Audio Standards | - | AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AWB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | - | MPEG-4, H.263, HEVC, VP8, VP9, H.265, H.264 AVC | |
| Sound Enhancements | ASUS BoostMaster technology, Hi-Res audio, DTS Headphone:X | - |
| FEATURES | ASUS ZenFone 5Z (ZS620KL) | Alcatel 1S (2021) |
|---|
| 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 | Ambient light sensor, proximity sensor, digital compass, gyro sensor, G-sensor, hall sensor, RGB sensor | Accelerometer, proximity sensor, digital compass, light sensor | |
| Security Devices | Face recognition, fingerprint reader | Face recognition, fingerprint reader | |
| Security Technology | - | Face Key | |
| Additional Phone Features | Face Unlock, AudioWizard, NXP Smart AMP technology, ASUS Noise Reduction technology, Google Drive Storage (100 GB) (free for 1 year), Dual Smart AMP, Dual noise-cancelling microphones, AI Charging, AI Boost, ZeniMoji | Multitasking, HD Voice, dual microphones with noise cancellation, Google Lens, Google Assistant Button |
| OTHERS | ASUS ZenFone 5Z (ZS620KL) | Alcatel 1S (2021) |
|---|
| Included Accessories | Power adapter, USB-C cable, ASUS ZenEar S Hi-Res earphone with microphone | USB cable, power adapter, SIM card removal tool, LCD sticker |
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