Side by side comparison and review of Samsung Galaxy A21s and Apple iPhone 12. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Samsung Galaxy A21s | Apple iPhone 12 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A217F/DSN | A2403 | |
| Form Factor | Touch | Touch | |
| Height | 163.7 mm | 146.7 mm | Samsung Galaxy A21s has greater height than Apple iPhone 12. |
| Width | 75.3 mm | 71.5 mm | Samsung Galaxy A21s has greater width than Apple iPhone 12. |
| Depth | 8.9 mm | 7.4 mm | Apple iPhone 12 is narrower than Samsung Galaxy A21s. |
| Weight | 192 g | 164 g | Apple iPhone 12 is lighter than Samsung Galaxy A21s. |
| Body Colour | White | Blue | Black | Black | White | Red | Blue | Green | Purple | |
| Body Material | - | Glass, aerospace-grade aluminium | |
| Protection | - | Dustproof, splashproof, waterproof | |
| Waterproof (Water-resistant) | - | Yes | Apple iPhone 12 is waterproof. |
| IP rating | - | IEC 60529 IP68 | |
| Repairability Index | - | 6.6 (out of 10) | |
| SAR Value | 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb) | 0.99 W/kg (body), 0.98 W/kg (head), 3.8 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
Lightning | |
| SIM Card Type (Size) | Nano SIM | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy A21s | Apple iPhone 12 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | PLS TFT | Super Retina XDR Display | |
| Screen Size (Display Size) | 6.5" | 6.1" | Samsung Galaxy A21s has larger screen size than Apple iPhone 12. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2532 x 1170 pixels | Apple iPhone 12 has better screen resolution than Samsung Galaxy A21s. |
| Display Format | HD+ | - | |
| Pixel Density | - | 460 ppi | |
| Aspect Ratio | 20:9 | - | |
| Max Brightness | - | 625 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 2000000:1 | |
| HDR | - | Yes | Apple iPhone 12 has HDR. |
| HDR Technology | - | HDR10 | |
| Display Enhancement Technology | - | Dolby Vision | |
| Display Features | Infinity O display | True Tone display, Edge-to-Edge screen, Wide colour display (P3), Haptic touch, Hybrid Log-Gamma (HLG), 1200 nits max brightness (HDR) | |
| Display Protection (Screen Protector) | - | Fingerprint-resistant oleophobic coating, Ceramic Shield |
| PROCESSOR | Samsung Galaxy A21s | Apple iPhone 12 |
|---|
| Processor Type (CPU) | - | Apple A14 Bionic | |
|---|---|---|---|
| Clock Speed | 2 GHz | - | |
| Processor Core Qty | 8-core | 6-core | Samsung Galaxy A21s has higher processor core quantity than Apple iPhone 12. |
| MEMORY | Samsung Galaxy A21s | Apple iPhone 12 |
|---|
| RAM | 3 GB | - | |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | Apple iPhone 12 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 | Samsung Galaxy A21s | Apple iPhone 12 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 2 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 12 Megapixel | Samsung Galaxy A21s has better camera resolution than Apple iPhone 12. |
| Lens Type | Wide-angle lens | Wide-angle lens | |
| Lens Aperture | F/2.0 | F/1.6 | Apple iPhone 12 has better lens aperture than Samsung Galaxy A21s. |
| Lens Construction | - | 7-element | |
| Field of View (FoV) | 80 degree(s) | - | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Apple iPhone 12 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Optical Zoom | - | 2x | |
| Digital Zoom | 8x | 5x | Samsung Galaxy A21s has better digital zoom than Apple iPhone 12. |
| Special Effects | - | Natural, Studio, Contour, Stage, Stage Mono, High‑Key Mono | |
| HDR Mode | - | Smart HDR 3 | |
| Camera Modes | Live Focus mode | Burst mode, Panorama, night mode, Live Photos, Portrait mode with advanced bokeh and Depth Control, Portrait Lighting, wide colour capture for photos and Live Photos, Time Lapse (Night mode) | |
| Face Recognition (Face ID) | - | Face recognition | Apple iPhone 12 has face detection. |
| Light Source | LED flash | True Tone LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 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 | |
| Camera Features (Functions) | Live Focus | Sapphire crystal lens cover, Cinematic video stabilisation, Cinematic video stabilisation, Playback zoom, geotagging, Stereo Recording, Continuous autofocus video, 8MP still photos recording 4K video, Time‑lapse video with stabilisation, Slow Sync, Advanced red-eye correction, Optical image stabilization for video, HEIF image capture, Audio zoom, 100% Focus Pixels, Digital zoom up to 3x for video, QuickTake video, HEVC (High Efficiency Video coding), Extended dynamic range for video at 60 fps, Deep Fusion, Dolby Vision HDR video recording up to 30 fps |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 12 Megapixel | Apple iPhone 12 has better second camera resolution than Samsung Galaxy A21s. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.4 | Samsung Galaxy A21s has better second camera lens aperture than Samsung Galaxy A21s. |
| Lens Element Qty (2nd Camera) | - | 5-element | |
| Field of View (2nd Camera) | 123 degree(s) | 120 degree(s) | Samsung Galaxy A21s has larger second camera lens field of view than Apple iPhone 12. |
| Camera Features (2nd Camera) | - | 5-piece lens, Lens correction |
| 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 | 12 Megapixel | Samsung Galaxy A21s has better front camera resolution than Apple iPhone 12. |
| Lens Aperture (Front) | F/2.2 | F/2.2 | Both phones have the same front camera lens aperture. |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | - | Natural, Studio, Contour, Stage, Stage Mono, High‑Key Mono | |
| HDR Mode (Front) | - | Smart HDR 3 | |
| Camera Modes (Front) | - | Burst mode, night mode, Live Photos, Portrait mode with advanced bokeh and Depth Control, Portrait Lighting, wide colour capture for photos and Live Photos, Time Lapse (Night mode) | |
| Face Recognition (Face ID) | - | Face recognition | Apple iPhone 12 has face detection. |
| Light Source (Front) | - | Retina Flash | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 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 | |
| Camera Features (Front) | - | Auto image stabilisation, Animoji, Memoji, TrueDepth camera, Cinematic video stabilisation, Extended dynamic range for video at 30 fps, QuickTake video, Time‑lapse video with stabilisation, Lens correction, Deep Fusion, Dolby Vision HDR video recording up to 30 fps |
| BATTERY AND CHARGING | Samsung Galaxy A21s | Apple iPhone 12 |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | - | |
|---|---|---|---|
| Fast Charging Technology | - | Apple fast charging technology, Apple MagSafe wireless charging | Apple iPhone 12 has fast charging technology. |
| Wireless Charging | - | Yes | Apple iPhone 12 can be charged wirelessly. |
| Wireless Charging Standards | - | Qi | |
| Talk Time | 3240 minutes | - | |
| 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 |
Playback (video): up to 17 hrs Playback (wireless video): up to 11 hrs Playback (audio): up to 65 hrs |
|
| Battery Technology | Lithium Ion | Lithium Ion |
| CELLULAR | Samsung Galaxy A21s | Apple iPhone 12 |
|---|
| Technology | WCDMA (UMTS) / GSM | CDMA2000 1X / GSM / WCDMA (UMTS) | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Apple iPhone 12 has more advanced generation mobile network. |
| Operating System | - | iOS 14 | |
| User Interface | One UI | - | |
| Intelligent Assistant | - | Siri | |
| Payment Technology | - | Apple Pay | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Samsung Galaxy A21s | Apple iPhone 12 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | EDGE, EV-DO, HSPA+, DC-HSDPA, VoLTE, FDD-LTE, TDD-LTE, VoWiFi, Gigabit LTE, LAA, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X | |
| 3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | Band 1, Band 5, Band 8, Band 10, Band 25 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 850, 900, 1700 EAWS, 1900 | |
| 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 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 30, Band 32, Band 34, Band 38, Band 39, Band 40, Band 41, Band 42, Band 46, Band 48, Band 66 | |
| 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 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 2300 WCS, FDD 1500 L, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 5150, TDD 3600, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n2, n3, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, n79, n40, n25, n12 | |
| 5G NR Frequency | - | FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3700, TDD TD 3500, TDD TD 4500, TDD 2300, FDD 1900, n12 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11ax | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.0 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Ultra-Wideband (UWB) | - | Yes | Apple iPhone 12 has UWB wireless technology. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy A21s | Apple iPhone 12 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | Audible, MP3, FLAC, Apple Lossless, AC-3, AAC-LC, LPCM, HE-AAC, Audible AAX, Audible AAX+, protected AAC, EAC3, HE-AAC v2 | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | M-JPEG, H.264, HEVC, MPEG-4 Part 2, HEIF | |
| Sound Enhancements | Dolby Atmos sound technology | Dolby Digital Plus sound, Dolby Atmos sound technology, Dolby Digital sound | |
| Video Enhancements | - | HDR with Dolby Vision, HDR10 |
| FEATURES | Samsung Galaxy A21s | Apple iPhone 12 |
|---|
| 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 | Accelerometer, ambient light sensor, proximity sensor, 3-axis gyro sensor, digital compass, barometer | |
| Security Devices | Face recognition, fingerprint reader | Face recognition | |
| Security Technology | - | Face ID | |
| Additional Phone Features | Samsung KNOX, Virtual Light Sensing | AirDrop function, Audio zoom function, MIMO technology, Wi-Fi Calling, iBeacon microlocation, QuickType keyboard, Night Shift, Apple TV support (2nd or later), AirPlay Mirroring, Next-generation Neural Engine, Apple MagSafe, Express Transit cards with power reserve, 4K HDR AirPlay Mirroring, FaceTime HD (1080p), RTT/TTY compatible |
| OTHERS | Samsung Galaxy A21s | Apple iPhone 12 |
|---|
| Included Accessories | Power adapter | Lightning to USB-C cable | |
|---|---|---|---|
| Compliant Standards | - | IEC 60529 IP68, HAC (Hearing Aid Compatible) | |
| Max Depth of Water Resistance | - | 6 m | |
| Max Operating Temperature | - | 35 °C | |
| Min Operating Temperature | - | 0 °C | |
| Humidity Range Operating | - | 5 - 95% (non-condensing) |
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