Realme P3x 5G (8GB RAM + 128GB) vs Xiaomi Redmi 15 5G (8GB RAM + 128GB)
Quick Comparison
Both Realme P3x 5G (8GB RAM + 128GB) and Xiaomi Redmi 15 5G (8GB RAM + 128GB) comes with same RAM. In terms of display resolution, Realme P3x 5G (8GB RAM + 128GB) has better resolution of 2400 x 1080 than Xiaomi Redmi 15 5G (8GB RAM + 128GB) which has resolution of 2340 x 1080. Both have the same amount of internal memory.
| Name | Realme P3x 5G (8GB RAM + 128GB) | Xiaomi Redmi 15 5G (8GB RAM + 128GB) |
| RAM | 8 GB | 8 GB |
|---|---|---|
| Display | 6.72 in | 6.9 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 6000 mAh | 7000 mAh |
| Camera | 50 MP + 2 MP Dual | 50 MP Dual |
| Price | Rs. 14998 | Rs. 15998 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is February 18, 2025. The cost of Realme P3x 5G (8GB RAM + 128GB) is Rs. 14998. The launch Date of the second phone is August 01, 2025. The cost of Xiaomi Redmi 15 5G (8GB RAM + 128GB) is Rs. 15998.
Display comparison
Realme P3x 5G (8GB RAM + 128GB) has screen size of 6.72 inches which falls short to Xiaomi Redmi 15 5G (8GB RAM + 128GB)'s 6.9 inch screen. Realme P3x 5G (8GB RAM + 128GB) has LCD Screen type where as Xiaomi Redmi 15 5G (8GB RAM + 128GB) has IPS Screen type. Realme's phone has display density of 392 PPI & Xiaomi's phone has only 374 PPI display density. In terms of screen to body ratio, Realme's phone has better screen to body ratio of ~ 92.65% than Xiaomi's phone ~ 83.2%. Realme P3x 5G (8GB RAM + 128GB) has 20:9 aspect ratio where as Xiaomi Redmi 15 5G (8GB RAM + 128GB) has 20.6:9 aspect ratio.
Memory comparison
Both mobiles come with 8 GB RAM and both have same Internal Memory of 128 GB.
Camera comparison
They both have the same 50 MP + 2 MP Dual Rear Camera. Both of them stand equal in terms of Front Camera Resolution as both have 8 MP Front Camera.
Technical comparison
Both the phones run on Android Operating System Version 15.
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Full Comparison
| Name | Realme P3x 5G (8GB RAM + 128GB) | Xiaomi Redmi 15 5G (8GB RAM + 128GB) |
| General | ||
| Model | RMX3944 | 15C 5G |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM (Hybrid Slot) |
| 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 | February 18, 2025 | August 01, 2025 |
| In The Box | 1 Realme p3x 5G, 1 USB Type-C Cable, 1 45W Adapter, 1 Protect Case, 1 SIM Card Needle, 1 Screen Protect Film, 1 Quick Guide, | 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 | 76.22 x 165.7 x 7.94 mm | 80.45 x 168.48 x 8.4 mm |
| Weight | 197 g | 217 g |
| Bezel less | No | |
| Colors | Midnight Blue, Stellar Pink, and Lunar Silver | Sandy Purple, Frosted White, Midnight Black |
| Display | ||
| Type | Color LCD Screen (1B Colors) | Color IPS Screen (16M Colors) |
| Touch | Yes, 180 Hz Touch Sampling Rate | Yes, 288 Hz Touch Sampling Rate |
| Size | 6.72 inches, 1080 x 2400 pixels, 120 Hz | 6.9 inches, 1080 x 2340 pixels, 144 Hz |
| Aspect Ratio | 20:9 | 20.6:9 |
| PPI | ~ 392 PPI | ~ 374 PPI |
| Screen to Body Ratio | ~ 92.65% | ~ 83.2% |
| Glass Type | Armorshell Glass | |
| Brightness | 850nits Peak Brightness | |
| Features | Brightness: 580nit (Typical), 690nit (HBM), Colour Gamut: 82% NTSC, Contrast Ratio: 1500: 1, Brightness Adjustment: 4096 Level,,Peak Brightness：950nit | TÜV Rheinland Circadian Friendly, TÜV Rheinland flicker free, TÜV Rheinland Low Blue light |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 8 GB | 8 GB |
| RAM Type | LPDDR4X | |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | |
| Card Slot | Yes, (Hybrid Slot) | Yes, (Hybrid Slot), upto 1 TB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | 5G NR: n1/3/5/8/28B/40/41/77/78 | SA: n1/n3/n5/n8/n28/n40/n78, NSA: n1/n3/n40/n78/n8 |
| VoLTE | Yes, Dual Stand-By | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Support 2.4/5GHz Wi-Fi, Support 802.11 a/b/g/n/ac | |
| Bluetooth | Yes, v5.3 | Yes, v5.1, A2DP, LE |
| USB | Yes, USB-C v2.0 | Yes, USB-C |
| USB Features | USB Tethering, USB on-the-go, USB Charging, USB Storage | USB on-the-go, USB Charging |
| IR Blaster | No | Yes |
| Extra | ||
| GPS | Beidou(B1I), GPS(L1), GLONASS(G1), Galileo(E1), QZSS(L1) | Yes, with A-GPS, Glonass, Beidou |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Geomagnetic Sensor, Proximity Sensor, Light Sensor, Acceleration Sensor, Gyroscope | Ambient Light Sensor, Proximity Sensor (Virtual), E Compass, Accelerometer |
| AI Features | Circle to Search, Gemini AI, AI Erase | |
| Water Resistance | Yes | |
| Splash Resistant | Yes | |
| IP Rating | IP69 | IP64 |
| Dust Resistant | Yes | Yes |
| Extra Features | Premium Vegan Leather Design, AI Clear Face, 200% Super Volume Mode, Military Grade Shock Resistance,Super Linear Speaker Supports, OReality Audio Effect, Dual-mic Noise Cancellation, Hi-Res Audio Certification, Up to 18GB Dynamic RAM | Hydro Touch |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) OMNIVISION OV50D, Resolution 8192*6144, Equivalent Focal Length: 27mm, FOV: 75.5°, Lens: 5P 2 MP ƒ/2.4 (Depth Sensor) Equivalent Focal Length：22mm, FOV：88.8°, Lens：3P | 50 MP ƒ/1.75 (Wide Angle) |
| Camera Sensor | OMNIVISION OV50D | |
| Auto Focus | Yes | Yes |
| Features | Photo, Video, Night View, Street Shot, Professional, Panorama, Portrait, Time-lapse Photography, Slow Motion, Hypertext, High Pixel, Axis Shift, Movie, Multi Scene Video, Underwater Camera, Night View, Video, Photo, Portrait, Panorama, Time-lapse Photography, Multi-scene Video | AI Sky, AI Erase, Classic Film Filters |
| Video Recording | 1080p @ 30 fps FHD, 4K @ 30 fps UHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 8 MP ƒ/2 (Wide Angle) Punch Hole, Screen Flash | 8 MP ƒ/2.2 (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v15 |
| Custom UI | Realme UI 6 | HyperOS 2 |
| Chipset | Mediatek Dimensity 6400 | Qualcomm Snapdragon 6s Gen3 |
| CPU | 2.5 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 2x2.3 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55 | |
| GPU | Mali-G615 MC2 | Adreno 619 |
| Java | No | No |
| Browser | Yes | Yes, supports HTML5 |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, AAC, APE, AMR, WAV, OGG, FLAC, WMA | Yes |
| Video | AVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLV | Yes |
| FM Radio | No | Yes |
| Speaker Type | Bottom Firing Loud Speaker | |
| Audio Features | Dolby Certified, 200% Super Volume | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6000 mAh | 7000 mAh, Si-C EV-Grade Technology |
| Fast Charging | Yes, 45W | Yes, 33W |
| Reverse Charging | Yes, 5W | Yes, 18W |
| Video Playback Time | 49 hours | |