In depth comparison and review of Apple iPhone 12 and Realme C21. 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 12 | Realme C21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | A2403 | - | |
| Form Factor | Touch | Touch | |
| Height | 146.7 mm | 165.2 mm | Realme C21 has greater height than Apple iPhone 12. |
| Width | 71.5 mm | 76.4 mm | Realme C21 has greater width than Apple iPhone 12. |
| Depth | 7.4 mm | 8.9 mm | Apple iPhone 12 is narrower than Apple iPhone 12. |
| Weight | 164 g | 190 g | Apple iPhone 12 is lighter than Apple iPhone 12. |
| Body Colour | Black | White | Red | Blue | Green | Purple | Cross black | Cross blue | |
| 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 | 0.99 W/kg (body), 0.98 W/kg (head), 3.8 W/kg (limb) | - | |
| Connector Type | Lightning | Micro-USB Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM, Electronic SIM card (e-SIM) | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Apple iPhone 12 | Realme C21 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Super Retina XDR Display | LCD | |
| Screen Size (Display Size) | 6.1" | 6.5" | Realme C21 has larger screen size than Apple iPhone 12. |
| Screen Resolution (Display Resolution) | 2532 x 1170 pixels | 1600 x 720 pixels | Apple iPhone 12 has better screen resolution than Realme C21. |
| Display Format | - | HD+ | |
| Pixel Density | 460 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 625 cd/m² | 420 cd/m² | Apple iPhone 12 has better display brightness than Realme C21. |
| Contrast Ratio | 2000000:1 | - | |
| HDR | Yes | - | Apple iPhone 12 has HDR. |
| HDR Technology | HDR10 | - | |
| Display Enhancement Technology | Dolby Vision | - | |
| Display Features | True Tone display, Edge-to-Edge screen, Wide colour display (P3), Haptic touch, Hybrid Log-Gamma (HLG), 1200 nits max brightness (HDR) | Mini-drop display | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating, Ceramic Shield | - |
| PROCESSOR | Apple iPhone 12 | Realme C21 |
|---|
| Processor Type (CPU) | Apple A14 Bionic | MediaTek Helio G35 | |
|---|---|---|---|
| Clock Speed | - | 2.3 GHz | |
| Processor Core Qty | 6-core | 8-core | Realme C21 has higher processor core quantity than Apple iPhone 12. |
| Graphics System (GPU) | - | PowerVR GE8320 |
| MEMORY | Apple iPhone 12 | Realme C21 |
|---|
| RAM | - | LPDDR4X SDRAM - 3 GB | |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | Apple iPhone 12 has more internal memory than Realme C21. |
| Supported Flash Memory Cards (Expandable Memory) | - | microSD |
| CAMERA | Apple iPhone 12 | Realme C21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 13 Megapixel | Realme C21 has better camera resolution than Apple iPhone 12. |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/1.6 | F/2.2 | Apple iPhone 12 has better lens aperture than Apple iPhone 12. |
| Lens Construction | 7-element | 5-element | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Apple iPhone 12 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Optical Zoom | 2x | - | |
| Digital Zoom | 5x | 4x | Apple iPhone 12 has better digital zoom than Realme C21. |
| Special Effects | Natural, Studio, Contour, Stage, Stage Mono, High‑Key Mono | HDR | |
| HDR Mode | Smart HDR 3 | - | |
| Camera Modes | 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) | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Nightscape capture mode, Portrait, Filter mode, Super nightscape | |
| Face Recognition (Face ID) | Face recognition | - | Apple iPhone 12 has face detection. |
| Light Source | True Tone 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, 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 | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 2 Megapixel | Apple iPhone 12 has better second camera resolution than Realme C21. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.4 | F/2.4 | Both phones have the same second camera lens aperture. |
| Lens Element Qty (2nd Camera) | 5-element | 3-element | |
| Field of View (2nd Camera) | 120 degree(s) | - | |
| Camera Functions (2nd Camera) | - | B&W lens | |
| Camera Features (2nd Camera) | 5-piece lens, Lens correction | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Camera Functions (3rd Camera) | - | Macro camera | |
| Camera Features (3rd Camera) | - | 4cm macro photography |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 12 Megapixel | 5 Megapixel | Apple iPhone 12 has better front camera resolution than Realme C21. |
| Lens Aperture (Front) | F/2.2 | F/2.2 | Both phones have the same front camera lens aperture. |
| Lens Element Qty (Front) | - | 3-element | |
| Special Effects (Front) | Natural, Studio, Contour, Stage, Stage Mono, High‑Key Mono | HDR | |
| 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) | Time-lapse mode, Beauty mode, portrait mode, AI Beauty, Filter mode, Panoramic mode | |
| Face Recognition (Face ID) | Face recognition | Face recognition | Both phones have 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 | Apple iPhone 12 | Realme C21 |
|---|
| 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 | - | |
| Run Time Details | Playback (video): up to 17 hrs Playback (wireless video): up to 11 hrs Playback (audio): up to 65 hrs |
- | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | Apple iPhone 12 | Realme C21 |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 4G | Apple iPhone 12 has more advanced generation mobile network. |
| Operating System | iOS 14 | Android 10 | |
| User Interface | - | Realme UI | |
| Intelligent Assistant | Siri | - | |
| Payment Technology | Apple Pay | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo, QZSS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Apple iPhone 12 | Realme C21 |
|---|
| Data Transmission | EDGE, EV-DO, HSPA+, DC-HSDPA, VoLTE, FDD-LTE, TDD-LTE, VoWiFi, Gigabit LTE, LAA, 5G NR FR1 | FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 5, Band 8, Band 10, Band 25 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 850, 900, 1700 EAWS, 1900 | 2100, 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 30, Band 32, Band 34, Band 38, Band 39, Band 40, Band 41, Band 42, Band 46, Band 48, Band 66 | 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 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 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| 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 802.11ax | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | Yes | - | Apple iPhone 12 has NFC reader for mobile payments. |
| Ultra-Wideband (UWB) | Yes | - | Apple iPhone 12 has UWB wireless technology. |
| MEDIA | Apple iPhone 12 | Realme C21 |
|---|
| 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 | - | |
|---|---|---|---|
| Supported Digital Video Standards | M-JPEG, H.264, HEVC, MPEG-4 Part 2, HEIF | - | |
| Sound Enhancements | Dolby Digital Plus sound, Dolby Atmos sound technology, Dolby Digital sound | - | |
| Video Enhancements | HDR with Dolby Vision, HDR10 | - |
| FEATURES | Apple iPhone 12 | Realme C21 |
|---|
| 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, magnetometer, light sensor | |
| Security Devices | Face recognition | Fingerprint reader | |
| Security Technology | Face ID | - | |
| Additional Phone Features | 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 | Super power saving mode, HyperEngine technology, Reverse charging |
| OTHERS | Apple iPhone 12 | Realme C21 |
|---|
| Included Accessories | Lightning to USB-C cable | USB cable, power adapter, SIM card removal tool | |
|---|---|---|---|
| Compliant Standards | IEC 60529 IP68, HAC (Hearing Aid Compatible) | TUV Rheinland | |
| Max Depth of Water Resistance | 6 m | - | |
| Max Operating Temperature | 35 °C | - | |
| Min Operating Temperature | 0 °C | - | |
| Humidity Range Operating | 5 - 95% (non-condensing) | - |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
