Both Infinix Note 50X 5G (8GB RAM + 128 GB) and Xiaomi Redmi 15 5G (8GB RAM + 256GB) comes with same RAM. In terms of display resolution, Xiaomi Redmi 15 5G (8GB RAM + 256GB) has better resolution of 2340 x 1080 than Infinix Note 50X 5G (8GB RAM + 128 GB) which has resolution of 1600 x 720. Xiaomi Redmi 15 5G (8GB RAM + 256GB) has more internal memory than Infinix Note 50X 5G (8GB RAM + 128 GB)
| Name | Infinix Note 50X 5G (8GB RAM + 128 GB) | Xiaomi Redmi 15 5G (8GB RAM + 256GB) |
| RAM | 8 GB | 8 GB |
|---|---|---|
| Display | 6.67 in | 6.9 in |
| Internal Memory | 128 GB | 256 GB |
| Battery | 5500 mAh | 7000 mAh |
| Camera | 50 MP Dual | 50 MP Dual |
| Price | Rs. 12999 | Rs. 16998 |
The launch Date of the first phone is March 11, 2025. The cost of Infinix Note 50X 5G (8GB RAM + 128 GB) is Rs. 12999. The launch Date of the second phone is August 01, 2025. The cost of Xiaomi Redmi 15 5G (8GB RAM + 256GB) is Rs. 16998.
Infinix Note 50X 5G (8GB RAM + 128 GB) has screen size of 6.67 inches which falls short to Xiaomi Redmi 15 5G (8GB RAM + 256GB)'s 6.9 inch screen. Infinix Note 50X 5G (8GB RAM + 128 GB) has IPS LCD Screen type where as Xiaomi Redmi 15 5G (8GB RAM + 256GB) has IPS Screen type. Xiaomi's phone has display density of 374 PPI & Infinix's phone has only 263 PPI display density. In terms of screen to body ratio, Infinix's phone has better screen to body ratio of ~ 93.8% than Xiaomi's phone ~ 83.2%.
Both mobiles come with 8 GB RAM Xiaomi Redmi 15 5G (8GB RAM + 256GB) has more Internal Memory (256 GB) than Infinix Note 50X 5G (8GB RAM + 128 GB) (128 GB).
Infinix Note 50X 5G (8GB RAM + 128 GB) has 50 MP Dual Rear Camera in comparison to Xiaomi Redmi 15 5G (8GB RAM + 256GB)'s 50 MP Dual Rear Camera. Both of them stand equal in terms of Front Camera Resolution as both have 8 MP Front Camera.
Both the phones run on Android Operating System Version 15.
| Name | Infinix Note 50X 5G (8GB RAM + 128 GB) | Xiaomi Redmi 15 5G (8GB RAM + 256GB) |
| General | ||
| Country of Origin | India | |
| Model | X6857B | 15 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 | March 11, 2025 | August 01, 2025 |
| In The Box | Handset, Adaptor, USB Type-C Cable, Soft Film, TPU Case, Sim Ejector Pin, Quick Start Guide, Warranty Card | 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 | 76.41 x 165.42 x 7.98 mm | 80.45 x 168.48 x 8.4 mm |
| Weight | 198.9 g | 217 g |
| Bezel less | No | |
| Colors | Sea Breeze Green, Enchanted Purple, Titanium Grey | Sandy Purple, Frosted White, Midnight Black |
| Display | ||
| Type | Color IPS LCD Screen (1B Colors) | Color IPS Screen (16M Colors) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes, 288 Hz Touch Sampling Rate |
| Size | 6.67 inches, 720 x 1600 pixels, 120 Hz | 6.9 inches, 1080 x 2340 pixels, 144 Hz |
| Aspect Ratio | 20.6:9 | |
| PPI | ~ 263 PPI | ~ 374 PPI |
| Screen to Body Ratio | ~ 93.8% | ~ 83.2% |
| Brightness | 850nits Peak Brightness | |
| Features | 560nits Peak Brightness, LCD AOD, TUV Rheinland Eye Protection, L1 Widevine, Supports Wet/ Greasy Touch | 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 | |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 128 GB | 256 GB |
| Storage Type | UFS 2.2 | 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 | n1/n3/n5/n8/N28b/n38/n40/n41/n77/n78 | 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 |
| Wifi Version | Wi-Fi (a/b/g/c/ax) | |
| Bluetooth | Yes, v5.4 | 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 | Yes | Yes |
| Extra | ||
| GPS | Yes | Yes, with A-GPS, Glonass, Beidou |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | G Sensor, E-Compass, Gyroscope, Light Sensor, Proximity Sensor | Ambient Light Sensor, Proximity Sensor (Virtual), E Compass, Accelerometer |
| AI Features | Circle to Search, Gemini AI, AI Erase | |
| Splash Resistant | Yes | Yes |
| IP Rating | IP64 | IP64 |
| Dust Resistant | Yes | Yes |
| Extra Features | Infinix AI ,Dual Speakers with DTS, AI Voice Assistant- Folax, AI Call Assistant, AI Social Assistant, AI Wallpaper Generator, Circle to Search, Bypass Charging, Hi-Res Audio, Dynamic Bar, Game Mode, Floating Windows, Split Screen Apps, Smart Panel, Smart Hub, Kids Mode, XClone, Peek Proof, Active Halo Lighting | Hydro Touch |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) AI Lens | 50 MP ƒ/1.75 (Wide Angle) |
| Auto Focus | Yes | Yes |
| Features | Vlog, Video, AI Cam, Portrait, Super Night, Slow Motion, Timelapse, Dual Video, AIGC Portrait, Sky Shop, Pro, Panorama, Documents | AI Sky, AI Erase, Classic Film Filters |
| Video Recording | 4K, 1080p | 1080p @ 30 fps FHD |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | 8 MP ƒ/2.2 (Wide Angle) Punch Hole, LED 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 | XOS 15 | HyperOS 2 |
| Chipset | Mediatek Dimensity 7300 Ultimate | Qualcomm Snapdragon 6s Gen3 |
| CPU | 2.5 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55 | 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 | Yes | Yes |
| Video | Yes | 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 | 5500 mAh, Li-ion Battery | 7000 mAh, Si-C EV-Grade Technology |
| Fast Charging | Yes, 45W Fast Charge | Yes, 33W |
| Reverse Charging | Yes, 10W | Yes, 18W |