Realme P4x 5G vs Vivo Y21 5G
Compare Realme P4x 5G and Vivo Y21 5G to understand which one suits your needs the best. The Realme P4x 5G is priced from ₹15,999, while Vivo Y21 5G is available at ₹18,499 respectively. In terms of performance and features, each device offers a unique combination of processor, display, camera, and battery capabilities. Explore their complete specifications and key differences side-by-side to make a well-informed buying decision.
Realme P4x 5G vs Vivo Y21 5G Comparison Overview
| Key Highlights | Realme P4x 5G | Vivo Y21 5G |
|---|---|---|
| Price | ₹15,999 | ₹18,499 |
| Processor | MediaTek Dimensity 7400 Ultra | MediaTek Dimensity 6300 |
| Display | 6.72", FHD+ LCD, 144Hz | 6.74", HD+ LCD, 120Hz |
| Rear Camera | 50MP (Wide-angle), 2MP (Monochrome), 8MP (Front) | 50MP (Wide-angle), 0.08MP (Auxiliary), 5MP (Front) |
| Battery | 7000mAh, 45Watt, Charger in the box | 6500mAh, 44Watt, Charger in the box |
| RAM/Storage | 6GB (LPDDR4X), 128GB (UFS 3.1) | 4GB (LPDDR4X), 128GB (UFS 2.2) |
Performance Scorecard
Key Specifications
| Processor | MediaTek Dimensity 7400 Ultra | MediaTek Dimensity 6300 | ||
|---|---|---|---|---|
| Display | 6.72", FHD+ LCD, 144Hz | 6.74", HD+ LCD, 120Hz | ||
| Camera | 50MP (Wide-angle), 2MP (Monochrome), 8MP (Front) | 50MP (Wide-angle), 0.08MP (Auxiliary), 5MP (Front) | ||
| Battery | 7000mAh, 45Watt, Charger in the box | 6500mAh, 44Watt, Charger in the box | ||
| RAM | 6GB (LPDDR4X) | 4GB (LPDDR4X) | ||
| Storage | 128GB (UFS 3.1) | 128GB (UFS 2.2) |
General
| Box Contents | Phone, 45W Charger, Type-C Cable, SIM Ejector Tool, Case | Phone, 44W Charger, Type-C Cable, SIM Ejector Tool, Case | ||
|---|---|---|---|---|
| Colors | Matte Sliver, Elegant Pink, Lake Green | Midnight Blue, Champagne Gold | ||
| Launch | December 04, 2025 | March 25, 2026 | ||
| Stores | Realme, Flipkart, Amazon, Vijay Sales, Croma, Reliance Digital | Croma, Vivo, Amazon, Vijay Sales, Reliance Digital | ||
| Launch Country | India | India | ||
| Launch Price | ₹15,999 | ₹18,999 |
Display
🏆 Winner: Realme P4x 5G
| Display Type | LCD | LCD | ||
|---|---|---|---|---|
| Refresh Rate | 144Hz | 120Hz | ||
| Playback Quality | SDR | SDR | ||
| Touch Sampling Rate | 240Hz | - | ||
| Display Size | 6.72 inches | 6.74 inches | ||
| Area | 109cm² | 109.7cm² | ||
| Display Form Factor | Flat Display | Flat Display | ||
| Screen to Body Ratio | 91.4 | 85 | ||
| Resolution Width | 1080 pixels | 720 pixels | ||
| Resolution Height | 2400 pixels | 1600 pixels | ||
| Aspect Ratio | 20:9 | 20:9 | ||
| Pixel Density | 391ppi | 260ppi | ||
| Display Bit Rate | 8-bit | 8-bit | ||
| Color Gamut Range | 83% | 83% | ||
| Display Resolution | FHD+ | HD+ | ||
| Typical Brightness | 800 nits | - | ||
| High Brightness | 1000 nits | 1200 nits | ||
| Peak Brightness | 1000 nits | - | ||
| Colour Gamut | NTSC | NTSC | ||
| Colour Depth | 16.7 Million Colours | 16 Million Colours | ||
| Eye Protection | - | TUV Rheinland certification |
Body
🏆 Winner: Realme P4x 5G
| Height | 165.85mm | 167.4mm | ||
|---|---|---|---|---|
| Width | 75.95mm | 77.1mm | ||
| Thickness | 8.39mm | 8.39mm | ||
| Weight | 208 grams | 209 grams | ||
| Screen Material | Armorshell Glass | Glass | ||
| Display Protection | ArmorShell | Glass | ||
| Back Material | Plastic | Plastic | ||
| Side Material | Aluminium Frame | Metal Frame | ||
| Build Quality | MIL-STD-810H | MIL-STD-810H | ||
| Ports | USB Type-C | USB Type-C 2.0 | ||
| Additional Features | USB Type-C (bottom) | 3.5mm Headphone Jack, OTG | ||
| IP Rating | IP64 (Dust and Water Resistant) | IP65 (Dust and Water Resistant) | ||
| Speaker | Stereo Speakers | Stereo Speakers | ||
| Sound Tuning | No Tuning | - |
Processor
🏆 Winner: Realme P4x 5G
| Chipset Manufacturer | MediaTek | MediaTek | ||
|---|---|---|---|---|
| Chipset | Dimensity 7400 Ultra | Dimensity 6300 | ||
| Fabrication Size | 4nm | 6nm | ||
| Number of Cores | Octa-core | Octa-core | ||
| Clock Speed | 4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55 | 2 × 2.4 GHz + 6 × 2.0 GHz | ||
| Cooling System | Vapor Chamber Cooling | - | ||
| GPU | Mali-G615 MC2 | Mali-G57 MC2 |
Performance Benchmarks
| AnTuTu | 929183 | 452218 | ||
|---|---|---|---|---|
| Geekbench 6 CPU Single-Core | 1092 | 782 |
Main Camera
🏆 Winner: Realme P4x 5G
| Main Camera #1 Megapixel | 50MP | 50MP | ||
|---|---|---|---|---|
| Main Camera #1 Aperture | f/1.8 | f/1.8 | ||
| Main Camera #1 Field of View | 76degree | - | ||
| Main Camera #1 Lens Type | Wide-angle | Wide-angle | ||
| Main Camera #1 Camera Sensor | OmniVision OV50D40 | - | ||
| Main Camera #2 Megapixel | 2MP | 0.08MP | ||
| Main Camera #2 Aperture | f/2.4 | f/3.0 | ||
| Main Camera #2 Field of View | 89 | - | ||
| Main Camera #2 Lens Type | Monochrome | Auxiliary | ||
| Features | HDR | Documents Mode, LED flash, Night mode, panorama, Portrait mode, Pro mode, Time Lapse | ||
| Camera Stabilization | Hybrid Stabilization | - | ||
| Dynamic Video Recording Support | SDR recording | SDR recording | ||
| Slow Motion Recording | 240 fps slomo | - | ||
| Auto Focus Type | PDAF | Contrast Detection Auto Focus | ||
| Zoom Capability | 2-10X | - | ||
| Lens Enhancements | No enhancement | - | ||
| Video Features | EIS, OIS | - | ||
| Video Recording | 1080p@30fps, 1080p@60fps, 4K@30fps, 720p@30fps, 720p@60fps | 1080p@30fps | ||
| Main Camera #1 Camera Features | - | Auto Focus |
Operating System
| OS Name | Android | Android | ||
|---|---|---|---|---|
| OS Version | 15 | 16 | ||
| OS Skin | Realme UI | Origin OS | ||
| Gaming Mode | Yes | - | ||
| OS Updates | 2 year(s) | 2 year(s) | ||
| Security Updates | 3 year(s) | 4 year(s) | ||
| AI Features | AI Camera, AI Eraser, AI Gaming, AI Image Editing, AI Reflection Remover, NEXT AI | AI Camera, AI Creation, AI Documents, AI Photo Enhance, AI Screen Translation, Circle to Search with Google |
Selfie Camera
🏆 Winner: Realme P4x 5G
| Front Camera #1 Megapixel | 8MP | 5MP | ||
|---|---|---|---|---|
| Front Camera #1 Aperture | f/2.0 | f/2.2 | ||
| Front Camera #1 Field of View | 80 | - | ||
| Front Camera #1 Lens Type | Wide | Wide | ||
| Features | Face unlock, panorama, Portrait Mode | Face Detection, Face unlock, Night mode, Portrait Mode, Screen flash | ||
| Auto Focus Type | Fixed Focus | Fixed Focus | ||
| Video Features | 1080p@30/60fps, 720p@30fps, EIS | 720p@30fps | ||
| Video Recording | 1080@30fps, 1080@60fps, 720p@30fps | 720p@30fps | ||
| HDR Recording Support | SDR recording | SDR recording |
Battery
🏆 Winner: Realme P4x 5G
| Battery Capacity | 7000mAh | 6500mAh | ||
|---|---|---|---|---|
| Battery Type | Lithium Polymer | Lithium Ion | ||
| Bypass Charging Support | Yes | - | ||
| Charging Speed Wired | 45W | 44W | ||
| Charging Standards Supported | SUPERVOOC | - | ||
| Reverse Wired Charging Support | - | Yes |
Network
| Sim Type | Hybrid Dual SIM (2 Nano SIMs + 1 microSD) | Hybrid Dual SIM (2 Nano SIMs + 1 microSD) | ||
|---|---|---|---|---|
| Network Support | 5G | 5G | ||
| Band Types | 5G, GSM, LTE FDD, LTE TD, WCDMA | 5G, GSM, LTE FDD, LTE TD, WCDMA | ||
| 2G Bands | 1800, 850, 900 | 1800, 850, 900 | ||
| 3G Bands | WCDMA 1, 5, 8 | WCDMA 1, 5, 8 | ||
| 4G Bands | LTE 1, 3, 5, 8, 28, 40, 41 | LTE 1, 3, 5, 8, 28B, 38, 40, 41 | ||
| 5G Bands | SA/NSA 1, 3, 5, 8, 28, 40, 41, 77, 78 | SA/NSA 1, 3, 5, 8, 28B, 38, 40, 41, 77, 78 |
Connectivity
🏆 Winner: Realme P4x 5G
| Wi-Fi Standards | Wi-Fi 6 802.11 a/b/g/n/ac/ax | Wi-Fi 5 802.11 a/b/g/n/ac | ||
|---|---|---|---|---|
| Wi-Fi Version | WiFi 6 | WiFi 5 | ||
| Bluetooth Version | 5.4 | 5.4 | ||
| Bluetooth Codecs | A2DP, LE | AAC | ||
| GPS | Galileo, GPS, QZSS | Beidou, Galileo, Glonass, GPS, QZSS | ||
| Radio | - | FM Radio |
Features
| Fingerprint Scanner | Side Mounted | Side Mounted | ||
|---|---|---|---|---|
| Sensors on Board | Accelerometer, Ambient Light Sensor, Proximity Sensor | Accelerometer, Ambient Light Sensor, Geomagnetic Sensor, Proximity Sensor | ||
| Haptic Feedback | Eccentric Rotating Mass | Ordinary Motor | ||
| Facial Recognition | 2D Face Recognition | - |












