Xiaomi Redmi 15 5G vs Realme C21 (4GB RAM + 64GB)
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Overview
| Specs Score | 61 / 100 Better Specs | 39 / 100 |
| Display Size | 6.9 in Bigger Display | 6.5 in |
| Display Resolution | 1080 x 2340 pixels Better Resolution | 1600 x 720 pixels |
| Screen To Body Ratio | ~ 83.2% | ~ 89.5% Less Bezels |
| RAM | 6 GB More RAM | 4 GB |
| Storage | 128 GB More Storage | 64 GB |
| Rear Camera | 50 MP Dual Better Camera Resolution | 13 MP + 2 MP + 2 MP Triple |
| Front Camera | 8 MP Better Front Camera Resolution | 5 MP |
| Weight | 217 g | 190 g Lighter |
| Thickness | 8.4 mm Slimmer | 8.9 mm |
| Battery | 7000 mAh Bigger Battery | 5000 mAh |
| Unique Features | 5G Fast Charging No FM Radio IR Blaster | No No 3.5mm Audio Jack No No |
General
| Country of Origin | India | |
| Model | 15 5G | RMX3201, C21 |
| 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 |
| OS Updates | 2 years | |
| Security Updates | 4 years | |
| Release Date | August 01, 2025 | April 8, 2021 |
| In The Box | Mobile Phone * 1, Adapter * 1, USB Type-C cable * 1, SIM Eject Tool * 1, Quick Start Guide, & Warranty Card * 1, Safety Information * 1 |
Design
| Dimensions | 80.45 x 168.48 x 8.4 mm | 76.4 x 165.2 x 8.9 mm |
| Weight | 217 g | 190 g |
| Colors | Sandy Purple, Frosted White, Midnight Black |
Display
| Type | Color IPS Screen (16M Colors) | Color IPS LCD Screen (16.7M) |
| Touch | Yes, 288 Hz Touch Sampling Rate | Yes, 120 Hz Touch Sampling Rate |
| Size | 6.9 inches, 1080 x 2340 pixels, 144 Hz | 6.5 inches, 1600 x 720 pixels, 60 Hz |
| Aspect Ratio | 20.6:9 | 20:09 |
| PPI | ~ 374 PPI | ~ 269 PPI |
| Screen to Body Ratio | ~ 83.2% | ~ 89.5% |
| Brightness | 850nits Peak Brightness | |
| Features | TÜV Rheinland Circadian Friendly, TÜV Rheinland flicker free, TÜV Rheinland Low Blue light | 120 Hz Touch , Sunlight Screen Support, COG Sealing Process, WideVine L3 |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
Memory
| RAM | 6 GB | 4 GB |
| RAM Type | LPDDR4X | |
| Storage | 128 GB | 64 GB |
| Storage Type | UFS 2.2 | |
| Card Slot | Yes, (Hybrid Slot), upto 1 TB | Yes, upto 256 GB |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| 5G Bands | SA: n1/n3/n5/n8/n28/n40/n78, NSA: n1/n3/n40/n78/n8 | |
| VoLTE | Yes | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.1, A2DP, LE | Yes, v5.0 |
| USB | Yes, USB-C | Yes, microUSB |
| USB Features | USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | Yes |
Extra
| GPS | Yes, with A-GPS, Glonass, Beidou | Yes |
| Fingerprint Sensor | Yes, Side | Yes, Rear |
| Face Unlock | Yes | Yes |
| Sensors | Ambient Light Sensor, Proximity Sensor (Virtual), E Compass, Accelerometer | Magnetic Induction Sensor, Light Sensor, Proximity Sensor, Acceleration Sensor |
| 3.5mm Headphone Jack | Yes | |
| AI Features | Circle to Search, Gemini AI, AI Erase | |
| Splash Resistant | Yes | |
| IP Rating | IP64 | |
| Dust Resistant | Yes | |
| Extra Features | Hydro Touch | Night Shield, Step Tracker, Game Space, APP Market, Theme Store, Clone Phone, Phone Manager, Telephone Number Identification, TUV Rheinland Certified |
Camera
| Rear Camera | 50 MP ƒ/1.75 (Wide Angle) | 13 MP ƒ/2.2 (Main) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 Mono |
| Camera Sensor | CMOS Sensor | |
| Auto Focus | Yes | Yes |
| Features | AI Sky, AI Erase, Classic Film Filters | Supports 20 Continuous Shooting, Photograph Functions: Night Mode, Panoramic View, Expert, Timelapse, Portrait Mode, HDR, Ultra Macro, AI Beauty, Filter, Chroma Boost, Video Recording Functions: Filter, Slow Motion, HDR |
| Video Recording | 1080p @ 30 fps FHD | 720p, 720P |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 8 MP ƒ/2.2 (Wide Angle) Punch Hole, Screen Flash | 5 MP |
| Front Video Recording | 1080p @ 30 fps FHD | 720p |
Technical
| OS | Android v15 | Android v10, upgradable to v11 |
| Custom UI | HyperOS 2 | |
| Chipset | Qualcomm Snapdragon 6s Gen3 | MediaTek Helio G35 |
| CPU | 2.3 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 2x2.3 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55 | Arm Cortex-A53 |
| GPU | Adreno 619 | IMG GE8320 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
Multimedia
| Yes | Yes | |
| Music | Yes | AAC, HE-AAC v1, HE-AAC v2, AMR, AWB, MIDI, MP3, OGG VORBIS |
| Video | Yes | MP4, 3GP, 3G2, 3GPP, 3GPP2, M4V, MKV |
| FM Radio | Yes | No |
| Speaker Type | Bottom Firing Loud Speaker | |
| Audio Features | Dolby Certified, 200% Super Volume | |
| Document Reader | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7000 mAh, Si-C EV-Grade Technology | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 33W | |
| Reverse Charging | Yes, 18W | Yes |
Discuss
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