In depth comparison and review of Lenovo Vibe X3 and Samsung Galaxy A21s. 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 | Lenovo Vibe X3 | Samsung Galaxy A21s |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-A217F/DSN | |
| Form Factor | Touch | Touch | |
| Height | 154 mm | 163.7 mm | Samsung Galaxy A21s has greater height than Lenovo Vibe X3. |
| Width | 76.5 mm | 75.3 mm | Lenovo Vibe X3 has greater width than Samsung Galaxy A21s. |
| Depth | 9.3 mm | 8.9 mm | Samsung Galaxy A21s is narrower than Lenovo Vibe X3. |
| Weight | 175 g | 192 g | Lenovo Vibe X3 is lighter than Lenovo Vibe X3. |
| Body Colour | Matt white | White | Blue | Black | |
| Body Material | Aluminium | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb) | |
| Integrated Components | FM radio | - | |
| 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) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Lenovo Vibe X3 | 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 Lenovo Vibe X3. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1600 x 720 pixels | Lenovo Vibe X3 has better screen resolution than Samsung Galaxy A21s. |
| Display Format | Full HD | HD+ | |
| Pixel Density | 401 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Features | - | Infinity O display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | - |
| PROCESSOR | Lenovo Vibe X3 | Samsung Galaxy A21s |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 808 | - | |
|---|---|---|---|
| Clock Speed | 1.8 GHz | 2 GHz | Samsung Galaxy A21s has higher clock speed than Lenovo Vibe X3. |
| Processor Core Qty | 6-core | 8-core | Samsung Galaxy A21s has higher processor core quantity than Lenovo Vibe X3. |
| 64-bit Architecture | Yes | - | Lenovo Vibe X3 has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 418 | - |
| MEMORY | Lenovo Vibe X3 | Samsung Galaxy A21s |
|---|
| RAM | 3 GB | 3 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 32 GB | Both phones have the same internal memory capacity. |
| User Memory | - | 19.5 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 512 GB |
| CAMERA | Lenovo Vibe X3 | Samsung Galaxy A21s |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 21 Megapixel | 48 Megapixel | Samsung Galaxy A21s has better camera resolution than Lenovo Vibe X3. |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | - | F/2.0 | |
| 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 | Dual LED flash | LED flash | |
| Video Resolutions | - | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF) | 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) | 8 Megapixel | 13 Megapixel | Samsung Galaxy A21s has better front camera resolution than Lenovo Vibe X3. |
| Lens Aperture (Front) | - | F/2.2 | |
| Focus Adjustment | Focus free | Focus free |
| BATTERY AND CHARGING | Lenovo Vibe X3 | Samsung Galaxy A21s |
|---|
| Battery Capacity (Battery Size) | 3500 mAh | 5000 mAh | Samsung Galaxy A21s has larger battery capacity than Lenovo Vibe X3. |
|---|---|---|---|
| Standby Time | 618 hours | - | |
| Talk Time | 1860 minutes | 3240 minutes | Samsung Galaxy A21s has longer battery life when making calls than Lenovo Vibe X3. |
| Run Time Details | Talk (GSM): up to 1860 min Talk (WCDMA): up to 1560 min Standby (LTE): up to 618 hrs |
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 | Lenovo Vibe X3 | 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 5.1 (Lollipop) | - | |
| User Interface | - | One UI | |
| Navigation | GPS, A-GPS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Lenovo Vibe X3 | Samsung Galaxy A21s |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | 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 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40, Band 41 | 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 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300, TDD 2500 | 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 4.1 | Bluetooth 5.0 LE | |
| NFC | - | Yes | Samsung Galaxy A21s has NFC reader for mobile payments. |
| Messaging Services | Skype, Google+ Hangouts, SMS, MMS | SMS, MMS |
| MEDIA | Lenovo Vibe X3 | 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 | Dolby Atmos sound technology |
| FEATURES | Lenovo Vibe X3 | Samsung Galaxy A21s |
|---|
| 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, G-sensor | Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor | |
| Security Devices | - | Face recognition, fingerprint reader | |
| Additional Phone Features | - | Samsung KNOX, Virtual Light Sensing |
| OTHERS | Lenovo Vibe X3 | Samsung Galaxy A21s |
|---|
| Included Accessories | Headset, USB cable, power adapter | Power adapter |
|---|
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