Realme P4 5G vs Realme C21Y (4GB RAM + 64GB)
Here you can compare Realme P4 5G and Realme C21Y (4GB RAM + 64GB). Comparing Realme P4 5G vs Realme C21Y (4GB RAM + 64GB) on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Realme P4 5G stands against Realme C21Y (4GB RAM + 64GB) and which one should you buy The current lowest price found for Realme P4 5G is ₹25,999 and for Realme C21Y (4GB RAM + 64GB) is ₹8,499. The details of both of these products were last updated on Aug 24, 2026.
| Specification | Realme P4 5G | Realme C21Y (4GB RAM + 64GB) |
|---|---|---|
| OS | Android v15 | Android v11 |
| Rear Camera | 50 MP ƒ/1.8 (Main) OV50D40 sensor, Support AF Only, Pixels: 50MP, Lens: 5P, FOV: 76° 8 MP (Wide Angle) Equivalent Focal Length：16mm, FOV：112°, Aperture：f/2.2, Lens：5P | 13 MP ƒ/2.2 (Main) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 Portrait |
| Internal Memory | 128 GB | 64 GB |
| RAM | 6 GB | 4 GB |
| Display | 6.77 inches, 1080 x 2392 pixels, 144 Hz | 6.5 inches, 720 x 1600 pixels, 60 Hz |
| Price | ₹25,999 | ₹8,499 |
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Overview
| Specs Score | 64 / 100 Better Specs | 39 / 100 |
| Display Resolution | 1080 x 2392 pixels Better Resolution | 720 x 1600 pixels |
| Screen To Body Ratio | ~ 94% Less Bezels | ~ 88.7% |
| RAM | 6 GB More RAM | 4 GB |
| Storage | 128 GB More Storage | 64 GB |
| CPU Clock Speed | 2.6 GHz Faster Clock Speed | 1.8 GHz |
| Rear Camera | 50 MP + 8 MP Dual Better Camera Resolution | 13 MP + 2 MP + 2 MP Triple |
| Front Camera | 16 MP Better Front Camera Resolution | 5 MP |
| Weight | 185 g Lighter | 200 g |
| Thickness | 7.58 mm Slimmer | 9.1 mm |
| Battery | 7000 mAh Bigger Battery | 5000 mAh |
| Unique Features | 5G Fast Charging No No Reverse Charging IR Blaster | No No 3.5mm Audio Jack Memory Card Support No No |
General
| Country of Origin | India | |
| Model | C21Y | |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | August 20, 2025 | August 23, 2021 |
| In The Box | 1 realme P4 5G, 1 USB Type-C Cable, 1 Power Adapter , 1 Protect Case, 1 SIM Card Needle, 1 Quick Guide |
Design
| Dimensions | 75.88 x 163.34 x 7.58 mm | 76 x 164.5 x 9.1 mm |
| Weight | 185 g | 200 g |
| Bezel less | No | |
| Colors | Steel Gray, Engine Blue, Forge Red |
Display
| Type | Color AMOLED Screen (1B Colors) | Color IPS LCD Screen (16.7M) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes |
| Size | 6.77 inches, 1080 x 2392 pixels, 144 Hz | 6.5 inches, 720 x 1600 pixels, 60 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 390 PPI | ~ 269 PPI |
| Screen to Body Ratio | ~ 94% | ~ 88.7% |
| Brightness | 1600nit(HBM), 4500nit Peak Brightness | |
| Features | Contrast Ratio: 5,000,000:1, 2500Hz Instantaneous Touch Sampling Rate, 3840Hz PWM Dimming | Sunlight Screen Support, COG Sealing Process |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
Memory
| RAM | 6 GB | 4 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 128 GB | 64 GB |
| Storage Type | UFS 3.1 | |
| Card Slot | Yes, upto 256 GB |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| 5G Bands | NR: n1/n3/n5/n8/n28B/n40/n41/n77/n78 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Support 2.4/5GHz Wi-Fi Support Wi-Fi 5 / Wi-Fi 6 | |
| Bluetooth | Yes, v5.4 | Yes, v5.0 |
| USB | Yes, USB-C v2.0 | Yes, microUSB |
| USB Features | USB Tethering, USB on-the-go, USB Charging, USB Storage | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | Yes |
Extra
| GPS | Beidou, GPS, GLONASS, Galileo | With A-GPS, Beidou, Glonass |
| Fingerprint Sensor | Yes, In Display | Yes, Rear |
| Face Unlock | Yes | Yes |
| Sensors | Proximity Sensor, Ambient Light Sensor, Color Temperature Sensor, E-Compass, Accelerometer, Gyroscope, Rear Infrared Remote Control, Optical Fingerprint | Magnetic Induction Sensor, Light Sensor, Proximity Sensor, Gyro-meter, Acceleration Sensor, Compass |
| 3.5mm Headphone Jack | No | Yes |
| Water Resistance | 2.5 m upto 30 min | |
| Splash Resistant | Yes | |
| IP Rating | IP65 & IP66 | |
| Dust Resistant | Yes | |
| Extra Features | Hyper Vision AI Chip |
Camera
| Rear Camera | 50 MP ƒ/1.8 (Main) OV50D40 sensor, Support AF Only, Pixels: 50MP, Lens: 5P, FOV: 76° 8 MP (Wide Angle) Equivalent Focal Length：16mm, FOV：112°, Aperture：f/2.2, Lens：5P | 13 MP ƒ/2.2 (Main) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 Portrait |
| Camera Sensor | CMOS Sensor | |
| Auto Focus | Yes | Yes |
| Features | Photo, Video, Portrait, Night, Panorama, Cinematic, SLO-MO, Long Exposure, Dual-view video, TIME-LAPSE, HI-RES, Google Lens, PRO, Hypertext, Scan, TILT-SHIFT | Beauty, Filter, HDR, Panoramic View, Refocus, Timelapse, Slo-mo, NightScape, Expert |
| Video Recording | 4K @ 30 fps UHD, 1080p @ 30/60 fps FHD | 1080p @ 30 fps FHD, 720P |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 16 MP ƒ/2.4 (Wide Angle) Lens: 4P, FOV: 85° Punch Hole, Screen Flash | 5 MP ƒ/2.2 Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 720p |
Technical
| OS | Android v15 | Android v11 |
| Custom UI | Realme UI 6 | |
| Chipset | mediatek Dimensity 7400 Ultra | Unisoc T610 |
| CPU | 2.6 GHz, Octa Core Processor | 1.8 GHz, Octa Core Processor |
| GPU | Arm Mali-G615 | Mali-G52 |
| Java | No | No |
| Browser | Yes | Yes |
Multimedia
| Yes | Yes | |
| Music | MP3, AAC, APE, AMR, WAV, OGG, FLAC, WMA | MPEG, AMRNB, AMRWB, AAC, G711.ALAW, G711.MLAW, VORBIS, OPUS, FLAC |
| Video | AVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLV | H.264, MPEG-4, H.263, Sorenson Spark, VP8, VP9, H.265 |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7000 mAh | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 80W Fast Charging | |
| Reverse Charging | Yes |
Discuss
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