In depth comparison and review of Apple iPhone 11 Pro 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 11 Pro | Realme C21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | A2215 | - | |
| Form Factor | Touch | Touch | |
| Height | 144 mm | 165.2 mm | Realme C21 has greater height than Apple iPhone 11 Pro. |
| Width | 71.4 mm | 76.4 mm | Realme C21 has greater width than Apple iPhone 11 Pro. |
| Depth | 8.1 mm | 8.9 mm | Apple iPhone 11 Pro is narrower than Apple iPhone 11 Pro. |
| Weight | 188 g | 190 g | Apple iPhone 11 Pro is lighter than Apple iPhone 11 Pro. |
| Body Colour | Silver | Midnight green | Space grey | Gold | Cross black | Cross blue | |
| Body Material | Surgical‑grade stainless steel, textured matt glass | - | |
| Protection | Dustproof, splashproof, waterproof, spill-resistant | - | |
| Waterproof (Water-resistant) | Yes | - | Apple iPhone 11 Pro is waterproof. |
| IP rating | IEC 60529 IP68 | - | |
| Repairability Index | 7 (out of 10) | - | |
| SAR Value | 0.99 W/kg (body), 0.99 W/kg (head) | - | |
| 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 11 Pro | Realme C21 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Super Retina XDR Display | LCD | |
| Screen Size (Display Size) | 5.8" | 6.5" | Realme C21 has larger screen size than Apple iPhone 11 Pro. |
| Screen Resolution (Display Resolution) | 2436 x 1125 pixels | 1600 x 720 pixels | Apple iPhone 11 Pro has better screen resolution than Realme C21. |
| Display Format | - | HD+ | |
| Pixel Density | 458 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 1200 cd/m² | 420 cd/m² | Apple iPhone 11 Pro has better display brightness than Realme C21. |
| Contrast Ratio | 2000000:1 | - | |
| HDR | Yes | - | Apple iPhone 11 Pro has HDR. |
| HDR Technology | HDR10 | - | |
| Display Enhancement Technology | Dolby Vision | - | |
| Display Features | True Tone display, Wide colour display (P3), Dark mode, Haptic touch | Mini-drop display | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating | - |
| PROCESSOR | Apple iPhone 11 Pro | Realme C21 |
|---|
| Processor Type (CPU) | Apple A13 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 11 Pro. |
| 64-bit Architecture | Yes | - | Apple iPhone 11 Pro has 64-bit architecture. |
| Graphics System (GPU) | - | PowerVR GE8320 |
| MEMORY | Apple iPhone 11 Pro | Realme C21 |
|---|
| RAM | - | LPDDR4X SDRAM - 3 GB | |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | Apple iPhone 11 Pro has more internal memory than Realme C21. |
| Supported Flash Memory Cards (Expandable Memory) | - | microSD |
| CAMERA | Apple iPhone 11 Pro | Realme C21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 3 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 13 Megapixel | Realme C21 has better camera resolution than Apple iPhone 11 Pro. |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/1.8 | F/2.2 | Apple iPhone 11 Pro has better lens aperture than Apple iPhone 11 Pro. |
| Lens Construction | 6-element | 5-element | |
| Optical Image Stabiliser (OIS) | Dual OIS (Optical Image Stabilisation) | - | Apple iPhone 11 Pro has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | 26 mm | - | |
| Optical Zoom | 2x | - | |
| Digital Zoom | 10x | 4x | Apple iPhone 11 Pro has better digital zoom than Realme C21. |
| Special Effects | Natural, Studio, Contour, Stage, Stage Mono, High‑Key Mono | HDR | |
| HDR Mode | Smart HDR | - | |
| Camera Modes | Burst mode, Panorama, night mode, low-light shots, Live Photos, Portrait mode with advanced bokeh and Depth Control, Portrait Lighting, wide colour capture for photos and Live Photos | 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 11 Pro 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) | Cinematic video stabilisation, Zero Shutter Lag, 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, Extended dynamic range for video, HEIF image capture, Audio zoom, 100% Focus Pixels | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 2 Megapixel | Apple iPhone 11 Pro 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) | - | |
| Minimum Focal Length (2nd Camera) | 13 mm | - | |
| Camera Functions (2nd Camera) | - | B&W lens | |
| Camera Features (2nd Camera) | 5-piece lens | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 12 Megapixel | 2 Megapixel | Apple iPhone 11 Pro has higher resolution third camera than Realme C21. |
|---|---|---|---|
| Lens Type (3rd Camera) | Telephoto lens | - | |
| Lens Aperture (3rd Camera) | F/2.0 | F/2.4 | Apple iPhone 11 Pro has better third camera lens aperture than Apple iPhone 11 Pro. |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Camera Functions (3rd Camera) | Capture depth information | Macro camera | |
| Camera Features (3rd Camera) | 6-piece lens | 4cm macro photography |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 12 Megapixel | 5 Megapixel | Apple iPhone 11 Pro 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 | - | |
| Camera Modes (Front) | Burst mode, Live Photos, Portrait mode with advanced bokeh and Depth Control, Portrait Lighting, wide colour capture for photos and Live Photos | 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 | - |
| BATTERY AND CHARGING | Apple iPhone 11 Pro | Realme C21 |
|---|
| Battery Capacity (Battery Size) | - | 5000 mAh | |
|---|---|---|---|
| Fast Charging Technology | Apple fast charging technology | - | Apple iPhone 11 Pro has fast charging technology. |
| Wireless Charging | Yes | - | Apple iPhone 11 Pro can be charged wirelessly. |
| Wireless Charging Standards | Qi | - | |
| Run Time Details | Playback (video): up to 18 hrs Playback (wireless video): up to 11 hrs Playback (audio): up to 65 hrs |
- | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | Apple iPhone 11 Pro | Realme C21 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | iOS 13 | Android 10 | |
| User Interface | - | Realme UI | |
| Intelligent Assistant | Siri | - | |
| Payment Technology | Apple Pay | - | |
| Navigation | GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Apple iPhone 11 Pro | Realme C21 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, DC-HSDPA, LTE Advanced, VoLTE, FDD-LTE, TDD-LTE, VoWiFi, Gigabit LTE | 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 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 11, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 21, Band 25, Band 26, Band 28, Band 29, 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 1500, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1500 upper, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, 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 | |
| Wireless Interface | IEEE 802.11ax | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | Yes | - | Apple iPhone 11 Pro has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Apple iPhone 11 Pro | 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 | - |
| FEATURES | Apple iPhone 11 Pro | 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 | TTY compatible, FaceTime, AirDrop function, Audio zoom function, MIMO technology, Wi-Fi Calling, iBeacon microlocation, QuickType keyboard, Night Shift, Apple TV support (2nd or later), AirPlay Mirroring, Raise to wake, Third‑generation Neural Engine, FaceTime audio, U1 chip | Super power saving mode, HyperEngine technology, Reverse charging |
| OTHERS | Apple iPhone 11 Pro | Realme C21 |
|---|
| Included Accessories | Apple EarPods with Lightning Connector, 18W USB-C power adapter, 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 | 4 m | - | |
| Max Operating Temperature | 35 °C | - | |
| Min Operating Temperature | 0 °C | - | |
| Humidity Range Operating | 5 - 95% (non-condensing) | - |
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