Realme 12X 5G (8GB RAM +128GB) vs Xiaomi Redmi 15 5G
Here you can compare Realme 12X 5G (8GB RAM +128GB) and Xiaomi Redmi 15 5G. Comparing Realme 12X 5G (8GB RAM +128GB) vs Xiaomi Redmi 15 5G on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Realme 12X 5G (8GB RAM +128GB) stands against Xiaomi Redmi 15 5G and which one should you buy The current lowest price found for Realme 12X 5G (8GB RAM +128GB) is ₹12,799 and for Xiaomi Redmi 15 5G is ₹21,499. The details of both of these products were last updated on Sep 03, 2026.
| Specification | Realme 12X 5G (8GB RAM +128GB) | Xiaomi Redmi 15 5G |
|---|---|---|
| Display | 6.72 inches, 1080 x 2400 pixels, 120 Hz | 6.9 inches, 1080 x 2340 pixels, 144 Hz |
| Internal Memory | 128 GB | 128 GB |
| Battery | 5000 mAh | 7000 mAh, Si-C EV-Grade Technology |
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 2 MP ƒ/2.4 (Depth Sensor) 22 mm, 1/5, Black & White Camera | 50 MP ƒ/1.75 (Wide Angle) |
| OS | Android v14 | Android v15 |
| Price | ₹12,799 | ₹21,499 |
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Overview
| Specs Score | 55 / 100 | 61 / 100 Better Specs |
| Display Resolution | 1080 x 2400 pixels Better Resolution | 1080 x 2340 pixels |
| Screen To Body Ratio | ~ 91.4% Less Bezels | ~ 83.2% |
| RAM | 8 GB More RAM | 6 GB |
| Weight | 188 g Lighter | 217 g |
| Thickness | 7.69 mm Slimmer | 8.4 mm |
| Battery | 5000 mAh | 7000 mAh Bigger Battery |
| Unique Features | 3.5mm Audio Jack No No | No FM Radio IR Blaster |
General
| Country of Origin | India | |
| Model | 12x | 15 5G |
| Sim Type | Dual Sim, GSM+GSM | 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 | April 02, 2024 | August 01, 2025 |
| In The Box | Realme 12x, Power Adapter, USB Type-C Cable, Important Product Information (Including the Warranty Card), Quick Guide, SIM Card Needle, Screen Protect Film, Protect Case | 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 | 76.1 x 165.6 x 7.69 mm | 80.45 x 168.48 x 8.4 mm |
| Weight | 188 g | 217 g |
| Bezel less | No | |
| Colors | Twilight Purple, Woodland Green | Sandy Purple, Frosted White, Midnight Black |
Display
| Type | Color IPS Screen (16.7M) | Color IPS Screen (16M Colors) |
| Touch | Yes, 240 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 | ~ 395 PPI | ~ 374 PPI |
| Screen to Body Ratio | ~ 91.4% | ~ 83.2% |
| Brightness | 850nits Peak Brightness | |
| Features | Brightness: 800nit (typ)/950nit (HBM） | TÜV Rheinland Circadian Friendly, TÜV Rheinland flicker free, TÜV Rheinland Low Blue light |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
Memory
| RAM | 8 GB | 6 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | |
| Card Slot | Yes, upto 2 TB | Yes, (Hybrid Slot), upto 1 TB |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | NR: n1/n3/n5/n8/n28B/n40/n41(2535-2655MHz)/n77/n78 | 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 | Wi-Fi 5, Wi-Fi 4 & 802.11a/b/g/n/ac | |
| Bluetooth | Yes, v5.3, Support SBC, AAC, APTX, APTX-HD, LDAC, LHDC | 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 |
Extra
| GPS | Yes, with GPS, Beidou, Glonass, Galileo, QZSS | Yes, with A-GPS, Glonass, Beidou |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Geomagnetic Sensor, Light Sensor, Proximity Sensor, Gyro-meter, Acceleration Sensor | Ambient Light Sensor, Proximity Sensor (Virtual), E Compass, Accelerometer |
| 3.5mm Headphone Jack | Yes | |
| AI Features | Circle to Search, Gemini AI, AI Erase | |
| Splash Resistant | Yes | Yes |
| IP Rating | IP54 | IP64 |
| Dust Resistant | Yes | Yes |
| Extra Features | Dual Stereo Speakers, Air Gestures, Rainwater Smart Touch, VC Cooling System, LPDDR4 RAM, 5G + 5G Dual Mode, Hi-Res Audio Certification, Antenna Array Matrix System 2.0, Mini Capsule 2.0 | Hydro Touch |
Camera
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 2 MP ƒ/2.4 (Depth Sensor) 22 mm, 1/5, Black & White Camera | 50 MP ƒ/1.75 (Wide Angle) |
| Auto Focus | Yes | Yes |
| Features | Photo, Video, Night, Street, Pro, Pano, Portrait, Time-Lapse, Slo-Mo, Text Scanner, 50M, Tilt-Shift, Movie, Dual-View Video | AI Sky, AI Erase, Classic Film Filters |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 8 MP ƒ/2 (Wide Angle) 80° 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 v14 | Android v15 |
| Custom UI | Realme UI 5.0 | HyperOS 2 |
| Chipset | Mediatek Dimensity 6100 Plus | Qualcomm Snapdragon 6s Gen3 |
| CPU | 2.2 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 2xCortex-A76@2.2 GHz & 6xCortex-A55@2.0 GHz | 2x2.3 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55 |
| GPU | Mali-G57 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 | 5000 mAh | 7000 mAh, Si-C EV-Grade Technology |
| Fast Charging | Yes, 45W SUPERVOOC Charge | Yes, 33W |
| Reverse Charging | Yes | Yes, 18W |
Discuss
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