Both Realme P4x 5G (8GB RAM + 256GB) and Xiaomi Redmi Note 15 5G (256GB) comes with same RAM. In terms of display resolution, Realme P4x 5G (8GB RAM + 256GB) has better resolution of 2400 x 1080 than Xiaomi Redmi Note 15 5G (256GB) which has resolution of 2392 x 1080. Both have the same amount of internal memory.
| Name | Realme P4x 5G (8GB RAM + 256GB) | Xiaomi Redmi Note 15 5G (256GB) |
| RAM | 8 GB | 8 GB |
|---|---|---|
| Display | 6.72 in | 6.77 in |
| Internal Memory | 256 GB | 256 GB |
| Battery | 7000 mAh | 5520 mAh |
| Camera | 50 MP + 2 MP Dual | 108 MP + 8 MP Dual |
| Price | Rs. 18369 | Rs. 24999 |
The launch Date of the first phone is December 04, 2025. The cost of Realme P4x 5G (8GB RAM + 256GB) is Rs. 18369. The launch Date of the second phone is December 18, 2025. The cost of Xiaomi Redmi Note 15 5G (256GB) is Rs. 24999.
Realme P4x 5G (8GB RAM + 256GB) has screen size of 6.72 inches which falls short to Xiaomi Redmi Note 15 5G (256GB)'s 6.77 inch screen. Realme P4x 5G (8GB RAM + 256GB) has LCD Screen type where as Xiaomi Redmi Note 15 5G (256GB) has AMOLED Screen type. Realme's phone has display density of 391 PPI & Xiaomi's phone has only 388 PPI display density. In terms of screen to body ratio, Realme's phone has better screen to body ratio of ~ 91.4% than Xiaomi's phone ~ 89.7%. Realme P4x 5G (8GB RAM + 256GB) has 20:9 aspect ratio where as Xiaomi Redmi Note 15 5G (256GB) has 20.5:9 aspect ratio.
Both phones come with 8 GB RAM and both have same Internal Memory of 256 GB.
Xiaomi Redmi Note 15 5G (256GB)'s 108 MP + 8 MP Dual Rear Camera outshines Realme P4x 5G (8GB RAM + 256GB)'s 50 MP + 2 MP Dual Rear Camera in terms of resolution. Xiaomi Redmi Note 15 5G (256GB) will be better choice if you're looking to click lot of selfies as it has better 20 MP Front Camera in comparison to Realme P4x 5G (8GB RAM + 256GB)'s 8 MP Front Camera.
Both the phones run on Android Operating System Version 15.
| Name | Realme P4x 5G (8GB RAM + 256GB) | Xiaomi Redmi Note 15 5G (256GB) |
| General | ||
| Country of Origin | India | |
| Model | RMX5108 | 25096RA9BG, 25098RA98G |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano SIM |
| Device Type | Smartphone | Smartphone |
| OS Updates | 2 years | |
| Security Updates | 3 years | |
| Release Date | December 04, 2025 | December 18, 2025 |
| In The Box | 1 x Handset, 1 x Charger, 1 x USB data cable, 1 x SIM Ejector Tool, 1 x Protective Case, 1 x Quick Guide | REDMI Note 15 5G / USB Type-C Cable / SIM Eject Tool/ Protective Case / Quick Start Guide / Warranty Card |
| Design | ||
| Dimensions | 75.95 x 165.85 x 8.39 mm | 75.4 x 164 x 7.35 mm |
| Weight | 208 g | 178 g |
| Bezel less | No | |
| Colors | Matte Sliver, Elegant Pink, Lake Green | Black, Glacier Blue, Mist Purple |
| Display | ||
| Type | Color LCD Screen (1B Colors) | Color AMOLED Screen (68B) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes, 240 Hz Touch Sampling Rate |
| Size | 6.72 inches, 1080 x 2400 pixels, 144 Hz | 6.77 inches, 1080 x 2392 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20.5:9 |
| PPI | ~ 391 PPI | ~ 388 PPI |
| Screen to Body Ratio | ~ 91.4% | ~ 89.7% |
| Glass Type | Scratch/drop-resistant glass, Mohs level 5 | |
| Brightness | 1000nits Sunlight Display | 3200nits peak brightness, 800nits (typ) |
| Features | Contrast Ratio: 8,000,000:1, DCI- P3 wide Color Gamut, Sunlight Display, Reading Mode, 3840Hz PWM Dimming | 16,000-level Brightness Adjustment, TÜV Rheinland Low Blue Light, (Hardware Solution) Certified, TUV Rheinland Circadian Friendly Certified, TÜV Rheinland Flicker Free Certified | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 8 GB | 8 GB |
| RAM Type | LPDDR4X | LPDDR4X |
| Expandable RAM | Upto 10 GB Extra Virtual RAM | Upto 8 GB Extra Virtual RAM |
| Storage | 256 GB | 256 GB |
| Storage Type | UFS 3.1 | UFS 2.2 |
| Card 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 NSA:n1|n3|n40|n78 5G SA: n1|n3|n5|n8|n28|n40|n78 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 6 (802.11ax) Supported | |
| Bluetooth | Yes, v5.4 | Yes, v5.3, A2DP, LE |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging, USB Storage | USB on-the-go, USB Charging |
| IR Blaster | No | Yes |
| Performance | ||
| AnTuTu Score | 1,001,028 (Total) (v11) 353,428 (CPU) 149,704 (GPU) 210,954 (Memory) 286,942 (UX) | |
| Geekbench Score | 2,971 (Multi Core) (v6) 1,045 (Single Core) 3,047 (OpenCL) 2,930 (Vulkan) | |
| Extra | ||
| GPS | GNSS: SIngle band: BeiDou, GPS, GLONASS,Galileo,QZSS | GPS: L1 | GLONASS: G1 | BDS: B1I + B1C | Galileo: E1 |
| Fingerprint Sensor | Yes, Side | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Geomagnetic Sensor, Proximity Sensor, Light Sensor, Acceleration Sensor, Gyroscope | Virtual proximity sensor | Ambient light sensor | Accelerometer | Electronic compass | IR blaster | Gyroscope |
| 3.5mm Headphone Jack | No | |
| NFC | Yes | |
| AI Features | AI Image Editing, NEXT AI, AI Text Scanner, Circle to Search, AI Smart Loop, AI Recording Summary | Gemini Live, Circle to Search |
| Water Resistance | Yes, 1.7 m | |
| Splash Resistant | Yes | |
| IP Rating | IP64 | IP65 + IP66 |
| Dust Resistant | Yes | Yes |
| Extra Features | Bypass Charging, 5300mm² VC FrostCore Cooling System | |
| Camera | ||
| Rear Camera | 50 MP (Wide Angle) 2 MP | 108 MP ƒ/1.7 (Wide Angle) 0.64um, 9 in 1 1.92um 8 MP ƒ/2.2 (Ultra Wide) |
| 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, DOC SCANNER, TILT-SHIFT | HDR, Panorama |
| Video Recording | 1080p @ 30 fps FHD, 4K @ 30 fps UHD | 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 | 20 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 | Xiaomi HyperOS 2 |
| Chipset | Mediatek Dimensity 7400 Ultra | Qualcomm Snapdragon 6 Gen3 |
| CPU | 2.6 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Core Details | 4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55 | 2xCortex-A76@2.2 GHz & 6x Cortex-A55@2.0 GHz |
| GPU | Mali-G615 MC2 | Adreno 710 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, AAC, APE, AMR, WAV, OGG, FLAC, WMA | MP3, AMR, FLAC, APE |
| Video | AVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLV | MP4, M4V, MKV, XVID |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | Dual Stereo |
| Audio Features | 400% Volume | Dual Ultra-Linear Speakers, Misound tuning and Dolby Atmos |
| Audio Jack Type | USB Type-C | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7000 mAh | 5520 mAh |
| Fast Charging | Yes, 45W Ultra Charge | Yes, 45W Fast Charging |
| Reverse Charging | Yes, 5W | Yes, 18W |