In depth comparison and review of Samsung Galaxy A21s and Alcatel Idol 4 Pro 6077X. 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 | Samsung Galaxy A21s | Alcatel Idol 4 Pro 6077X |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A217F/DSN | - | |
| Form Factor | Touch | Touch | |
| Height | 163.7 mm | 153.9 mm | Samsung Galaxy A21s has greater height than Alcatel Idol 4 Pro 6077X. |
| Width | 75.3 mm | 75.4 mm | Alcatel Idol 4 Pro 6077X has greater width than Samsung Galaxy A21s. |
| Depth | 8.9 mm | 6.99 mm | Alcatel Idol 4 Pro 6077X is narrower than Samsung Galaxy A21s. |
| Weight | 192 g | 152 g | Alcatel Idol 4 Pro 6077X is lighter than Samsung Galaxy A21s. |
| Body Colour | White | Blue | Black | Gold | |
| Waterproof (Water-resistant) | - | - | Alcatel Idol 4 Pro 6077X is waterproof. |
| SAR Value | 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb) | 1.57 W/kg (body), 0.86 W/kg (head) | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Single-SIM |
| DISPLAY | Samsung Galaxy A21s | Alcatel Idol 4 Pro 6077X |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | PLS TFT | AMOLED | |
| Screen Size (Display Size) | 6.5" | 5.5" | Samsung Galaxy A21s has larger screen size than Alcatel Idol 4 Pro 6077X. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 1920 x 1080 pixels | Alcatel Idol 4 Pro 6077X has better screen resolution than Samsung Galaxy A21s. |
| Display Format | HD+ | Full HD | |
| Aspect Ratio | 20:9 | - | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Enhancement Technology | - | OnCell technology | |
| Display Features | Infinity O display | 2.5D Glass | |
| Display Protection (Screen Protector) | - | Fingerprint-resistant oleophobic coating, Dragontrail (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy A21s | Alcatel Idol 4 Pro 6077X |
|---|
| Processor Type (CPU) | - | Qualcomm Snapdragon 820 | |
|---|---|---|---|
| Processor Number | - | MSM8996 | |
| Clock Speed | 2 GHz | 1.6 GHz | Samsung Galaxy A21s has higher clock speed than Alcatel Idol 4 Pro 6077X. |
| Processor Core Qty | 8-core | Quad-core | Samsung Galaxy A21s has higher processor core quantity than Alcatel Idol 4 Pro 6077X. |
| Graphics System (GPU) | - | Qualcomm ADRENO 530 |
| MEMORY | Samsung Galaxy A21s | Alcatel Idol 4 Pro 6077X |
|---|
| RAM | 3 GB | 4 GB | Alcatel Idol 4 Pro 6077X has more RAM than Samsung Galaxy A21s. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | Alcatel Idol 4 Pro 6077X has more internal memory than Samsung Galaxy A21s. |
| User Memory | 19.5 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC, microSDXC - up to 512 GB |
| CAMERA | Samsung Galaxy A21s | Alcatel Idol 4 Pro 6077X |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 1 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 21 Megapixel | Samsung Galaxy A21s has better camera resolution than Alcatel Idol 4 Pro 6077X. |
| Sensor Size | - | 1/2.4" | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/2.0 | F/2.2 | Samsung Galaxy A21s has better lens aperture than Samsung Galaxy A21s. |
| Lens Construction | - | 6-element | |
| Field of View (FoV) | 80 degree(s) | - | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 8x | - | |
| Camera Modes | Live Focus mode | - | |
| Light Source | LED flash | Dual tone LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 120 fps, 2048 x 1080 (2K) at 30 fps | |
| Camera Features (Functions) | Live Focus | Phase Detect Auto-Focus (PDAF) |
| 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) | 13 Megapixel | 8 Megapixel | Samsung Galaxy A21s has better front camera resolution than Alcatel Idol 4 Pro 6077X. |
| Lens Type (Front) | - | Wide-angle lens | |
| Lens Aperture (Front) | F/2.2 | - | |
| Focus Adjustment | Focus free | Focus free |
| BATTERY AND CHARGING | Samsung Galaxy A21s | Alcatel Idol 4 Pro 6077X |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 3000 mAh | Samsung Galaxy A21s has larger battery capacity than Alcatel Idol 4 Pro 6077X. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 2.0 | Alcatel Idol 4 Pro 6077X has fast charging technology. |
| Recharge Time (Charging Time) | - | 95 min | |
| Standby Time | - | 420 hours | |
| Talk Time | 3240 minutes | 780 minutes | Samsung Galaxy A21s has longer battery life when making calls than Alcatel Idol 4 Pro 6077X. |
| 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 |
Talk (GSM): up to 780 min Talk (WCDMA): up to 780 min Standby (GSM): up to 420 hrs Standby (WCDMA): up to 420 hrs Standby (LTE): up to 420 hrs |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | Samsung Galaxy A21s | Alcatel Idol 4 Pro 6077X |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | - | Windows 10 | |
| User Interface | One UI | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS |
| COMMUNICATIONS | Samsung Galaxy A21s | Alcatel Idol 4 Pro 6077X |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, 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 | Band 1, Band 2, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 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 | Band 1, Band 3, Band 7, Band 8, Band 20, Band 28, Band 38 | |
| 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 | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 4.1 | |
| NFC | Yes | - | Samsung Galaxy A21s has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy A21s | Alcatel Idol 4 Pro 6077X |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | WAV, WMA, AAC, MP3, FLAC, AC-3, AAC-LC, AAC +, eAAC+, AMR-NB, MPEG4 | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | MKV, AVC, H.264, H.263, HEVC, VP8, H.265, MPEG-4 Part 2 | |
| Sound Enhancements | Dolby Atmos sound technology | Hi-Fi Sound support | |
| Audio Processor | - | WCD9335 | |
| Audio Amplifier | - | TFA9890 |
| FEATURES | Samsung Galaxy A21s | Alcatel Idol 4 Pro 6077X |
|---|
| 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 | Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor | Ambient light sensor, proximity sensor, digital compass, gyro sensor, G-sensor, hall sensor | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader | |
| Additional Phone Features | Samsung KNOX, Virtual Light Sensing | HD Voice, Dual noise reduction microphones, BOOM KEY |
| OTHERS | Samsung Galaxy A21s | Alcatel Idol 4 Pro 6077X |
|---|
| Included Accessories | Power adapter | USB cable, power adapter, SIM card removal tool | |
|---|---|---|---|
| Compliant Standards | - | HAC (Hearing Aid Compatible) |
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