In depth comparison and review of Apple iPhone X 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 | Apple iPhone X | Samsung Galaxy A21s |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | A1901 | SM-A217F/DSN | |
| Form Factor | Touch | Touch | |
| Height | 143.6 mm | 163.7 mm | Samsung Galaxy A21s has greater height than Apple iPhone X. |
| Width | 70.9 mm | 75.3 mm | Samsung Galaxy A21s has greater width than Apple iPhone X. |
| Depth | 7.7 mm | 8.9 mm | Apple iPhone X is narrower than Apple iPhone X. |
| Weight | 174 g | 192 g | Apple iPhone X is lighter than Apple iPhone X. |
| Body Colour | Space grey | Silver | White | Blue | Black | |
| Body Material | Glass, oleophobic coating, surgical‑grade stainless steel | - | |
| Protection | Dustproof, splashproof, waterproof | - | |
| Waterproof (Water-resistant) | Yes | - | Apple iPhone X is waterproof. |
| IP rating | IEC 60529 IP67 | - | |
| Repairability Index | 4.8 (out of 10) | - | |
| SAR Value | 1.17 W/kg (body), 1.08 W/kg (head) | 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb) | |
| Connector Type | Lightning | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | Apple iPhone X | Samsung Galaxy A21s |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Super Retina HD | PLS TFT | |
| Screen Size (Display Size) | 5.8" | 6.5" | Samsung Galaxy A21s has larger screen size than Apple iPhone X. |
| Screen Resolution (Display Resolution) | 2436 x 1125 pixels | 1600 x 720 pixels | Apple iPhone X has better screen resolution than Samsung Galaxy A21s. |
| Display Format | - | HD+ | |
| Pixel Density | 458 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 625 cd/m² | - | |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | 1000000:1 | - | |
| HDR | Yes | - | Apple iPhone X has HDR. |
| HDR Technology | HDR10 | - | |
| Display Enhancement Technology | Dolby Vision | - | |
| Display Features | True Tone display | Infinity O display | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating | - |
| PROCESSOR | Apple iPhone X | Samsung Galaxy A21s |
|---|
| Processor Type (CPU) | Apple A11 Bionic - with M11 motion | - | |
|---|---|---|---|
| Clock Speed | - | 2 GHz | |
| Processor Core Qty | - | 8-core | |
| 64-bit Architecture | Yes | - | Apple iPhone X has 64-bit architecture. |
| MEMORY | Apple iPhone X | Samsung Galaxy A21s |
|---|
| RAM | - | 3 GB | |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | Apple iPhone X 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 |
| CAMERA | Apple iPhone X | Samsung Galaxy A21s |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 4 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 48 Megapixel | Samsung Galaxy A21s has better camera resolution than Apple iPhone X. |
| Sensor Type | BSI | - | |
| Lens Type | Wide-angle lens | Wide-angle lens | |
| Lens Aperture | F/1.8 | F/2.0 | Apple iPhone X has better lens aperture than Apple iPhone X. |
| Lens Construction | 6-element | - | |
| Field of View (FoV) | - | 80 degree(s) | |
| Optical Image Stabiliser (OIS) | Dual OIS (Optical Image Stabilisation) | - | Apple iPhone X has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 10x | 8x | Apple iPhone X has better digital zoom than Samsung Galaxy A21s. |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Burst mode, Panorama, Time-lapse mode, Timer mode, tap to focus, portrait mode, Portrait Lighting (beta), Live Photos, Live Photos with stabilisation | Live Focus mode | |
| Face Recognition (Face ID) | Body and face detection | - | Apple iPhone X has face detection. |
| Light Source | True Tone quad 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, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, 3840 x 2160 (4K) at 24 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Sapphire crystal lens cover, Cinematic video stabilisation, Focus Pixels, Cinematic video stabilisation, Playback zoom, Hybrid IR filter, Exposure control, noise reduction, geotagging, Continuous Auto Focus (CAF) | Live Focus |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 8 Megapixel | Apple iPhone X has better second camera resolution than Samsung Galaxy A21s. |
|---|---|---|---|
| Lens Type (2nd Camera) | Telephoto lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.4 | F/2.2 | Samsung Galaxy A21s has better second camera lens aperture than Apple iPhone X. |
| Field of View (2nd Camera) | - | 123 degree(s) | |
| Camera Functions (2nd Camera) | Capture depth information | - |
| 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 | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 7 Megapixel | 13 Megapixel | Samsung Galaxy A21s has better front camera resolution than Apple iPhone X. |
| Sensor Type (Front) | BSI | - | |
| Lens Aperture (Front) | F/2.2 | F/2.2 | Both phones have the same front camera lens aperture. |
| Focus Adjustment | - | Focus free | |
| HDR Mode (Front) | Auto HDR mode | - | |
| Camera Modes (Front) | Burst mode, Timer mode, portrait mode, Portrait Lighting (beta), Live Photos | - | |
| Face Recognition (Face ID) | Body and face detection, face recognition | - | Apple iPhone X has face detection. |
| Light Source (Front) | Retina Flash | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
| Camera Features (Front) | FaceTime HD camera, Exposure control, Auto image stabilisation, Animoji | - |
| SECOND FRONT CAMERA |
|---|
| Camera Functions (2nd Front) | Infrared camera for Face ID | - | |
|---|---|---|---|
| Camera Features (2nd Front) | Flood Illuminator, Dot Projector | - |
| BATTERY AND CHARGING | Apple iPhone X | Samsung Galaxy A21s |
|---|
| Battery Capacity (Battery Size) | - | 5000 mAh | |
|---|---|---|---|
| Fast Charging Technology | Apple fast charging technology | - | Apple iPhone X has fast charging technology. |
| Wireless Charging | Yes | - | Apple iPhone X can be charged wirelessly. |
| Wireless Charging Standards | Qi | - | |
| Talk Time | 1260 minutes | 3240 minutes | Samsung Galaxy A21s has longer battery life when making calls than Apple iPhone X. |
| Run Time Details | Talk: up to 1260 min Active online usage: up to 12 hrs Playback (wireless video): up to 13 hrs Playback (wireless audio): up to 60 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 Ion | Lithium Ion |
| CELLULAR | Apple iPhone X | 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 | iOS 11 | - | |
| User Interface | - | One UI | |
| Intelligent Assistant | Siri | - | |
| Payment Technology | Apple Pay | - | |
| Navigation | A-GPS, GLONASS, Galileo, QZSS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Apple iPhone X | Samsung Galaxy A21s |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, DC-HSDPA, LTE Advanced, VoLTE, FDD-LTE, TDD-LTE, VoWiFi | 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 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 30, Band 34, Band 38, Band 39, Band 40, Band 41, Band 66 | 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 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 2300 WCS, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | 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 802.11ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 LE | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Apple iPhone X | Samsung Galaxy A21s |
|---|
| Supported Digital Audio Standards | Audible, MP3, FLAC, Apple Lossless, AC-3, AAC-LC, LPCM, HE-AAC, Audible AAX, Audible AAX+, protected AAC, EAC3, HE-AAC v2 | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | M-JPEG, H.264, HEVC, MPEG-4 Part 2, HEIF | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | |
| Sound Enhancements | - | Dolby Atmos sound technology |
| FEATURES | Apple iPhone X | 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 | Accelerometer, ambient light sensor, proximity sensor, 3-axis gyro sensor, digital compass, barometer | Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor | |
| Security Devices | Face recognition | Face recognition, fingerprint reader | |
| Security Technology | Face ID | - | |
| Additional Phone Features | Multitasking, FaceTime, AirPrint wireless printing, iCloud Photo Sharing, AirDrop function, MIMO technology, Wi-Fi Calling, iBeacon microlocation, CarPlay function, QuickType keyboard, Handoff, HomeKit, Apple TV support (2nd or later), Fast Charging, AirPlay 2 wireless streaming, M11 motion coprocessor, Neural Engine | Samsung KNOX, Virtual Light Sensing |
| OTHERS | Apple iPhone X | Samsung Galaxy A21s |
|---|
| Included Accessories | Power adapter, Apple EarPods with Lightning Connector, Lightning to USB cable | Power adapter | |
|---|---|---|---|
| Compliant Standards | IEC 60529 IP67, HAC (Hearing Aid Compatible) | - | |
| Max Operating Temperature | 35 °C | - | |
| Min Operating Temperature | 0 °C | - | |
| Humidity Range Operating | 5 - 95% (non-condensing) | - |
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