Both Realme 12X (6GB RAM +128GB) and Xiaomi Redmi 15 5G comes with same RAM. In terms of display resolution, Realme 12X (6GB RAM +128GB) has better resolution of 2400 x 1080 than Xiaomi Redmi 15 5G which has resolution of 2340 x 1080. Both have the same amount of internal memory.
| Name | Realme 12X (6GB RAM +128GB) | Xiaomi Redmi 15 5G |
| RAM | 6 GB | 6 GB |
|---|---|---|
| Display | 6.72 in | 6.9 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 5000 mAh | 7000 mAh |
| Camera | 50 MP + 2 MP Dual | 50 MP Dual |
| Price | Rs. 12499 | Rs. 14998 |
The launch Date of the first phone is April 02, 2024. The cost of Realme 12X (6GB RAM +128GB) is Rs. 12499. The launch Date of the second phone is August 01, 2025. The cost of Xiaomi Redmi 15 5G is Rs. 14998.
Realme 12X (6GB RAM +128GB) has screen size of 6.72 inches which falls short to Xiaomi Redmi 15 5G's 6.9 inch screen. There is IPS Screen Type in both the phones. Realme's phone has display density of 395 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 ~ 91.4% than Xiaomi's phone ~ 83.2%. Realme 12X (6GB RAM +128GB) has 20:9 aspect ratio where as Xiaomi Redmi 15 5G has 20.6:9 aspect ratio.
Both phones come with 6 GB RAM and both have same Internal Memory of 128 GB.
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.
Both the phones has Android Operating System but the first one runs on version 14 and the second one on 15 version.
| Name | Realme 12X (6GB RAM +128GB) | Xiaomi Redmi 15 5G |
| General | ||
| 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 | 6 GB | 6 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 6 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 |