Realme 15x 5G (8GB RAM + 256GB) vs Realme 12X (6GB RAM +128GB)
Quick Comparison
Realme 15x 5G (8GB RAM + 256GB) has better RAM than Realme 12X (6GB RAM +128GB). In terms of display resolution, Realme 12X (6GB RAM +128GB) has better resolution of 2400 x 1080 than Realme 15x 5G (8GB RAM + 256GB) which has resolution of 1570 x 720. Realme 15x 5G (8GB RAM + 256GB) has more internal memory than Realme 12X (6GB RAM +128GB)
| Name | Realme 15x 5G (8GB RAM + 256GB) | Realme 12X (6GB RAM +128GB) |
| RAM | 8 GB | 6 GB |
|---|---|---|
| Display | 6.81 in | 6.72 in |
| Internal Memory | 256 GB | 128 GB |
| Battery | 7000 mAh | 5000 mAh |
| Camera | 50 MP + 2 MP Dual | 50 MP + 2 MP Dual |
| Price | Rs. 19999 | Rs. 12499 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is October 01, 2025. The cost of Realme 15x 5G (8GB RAM + 256GB) is Rs. 19999. The launch Date of the second phone is April 02, 2024. The cost of Realme 12X (6GB RAM +128GB) is Rs. 12499.
Display comparison
Realme 15x 5G (8GB RAM + 256GB) has larger screen size of 6.81 inches in comparison to Realme 12X (6GB RAM +128GB)'s 6.72 inch screen. There is IPS Screen Type in both the phones. Realme 12X (6GB RAM +128GB) has display density of 395 PPI & Realme 15x 5G (8GB RAM + 256GB) has only 394 PPI display density. In terms of screen to body ratio, Realme 12X (6GB RAM +128GB) has better screen to body ratio of ~ 91.4% than Realme 15x 5G (8GB RAM + 256GB)'s ~ 90.4%. Both mobiles have same aspect ratio of 20:9.
Memory comparison
Realme 15x 5G (8GB RAM + 256GB)'s larger 8 GB RAM is better for playing games and all with respect to Realme 12X (6GB RAM +128GB)'s lower 6 GB RAM. Realme 15x 5G (8GB RAM + 256GB) has more Internal Memory (256 GB) than Realme 12X (6GB RAM +128GB) (128 GB).
Camera comparison
Realme 15x 5G (8GB RAM + 256GB) has 50 MP + 2 MP Dual Rear Camera in comparison to Realme 12X (6GB RAM +128GB)'s 50 MP + 2 MP Dual Rear Camera. Realme 15x 5G (8GB RAM + 256GB) will be better choice if you're looking to click lot of selfies as it has better 50 MP Front Camera in comparison to Realme 12X (6GB RAM +128GB)'s 8 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 15 and the second one on 14 version.
Related Comparisons
Full Comparison
| Name | Realme 15x 5G (8GB RAM + 256GB) | Realme 12X (6GB RAM +128GB) |
| General | ||
| Model | 12x | |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | October 01, 2025 | April 02, 2024 |
| In The Box | 1 realme 15x 5G, 1 USB Type-C Cable, 1 80W Adapter, 1 Protect Case, 1 SIM Card Needle, 1 Screen Protect Film, 1 Quick Guide | 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 |
| Design | ||
| Dimensions | 77.93 x 166.07 x 8.28 mm | 76.1 x 165.6 x 7.69 mm |
| Weight | 212 g | 188 g |
| Bezel less | No | No |
| Colors | Aqua Blue, Marine Blue, Maroon Red | Twilight Purple, Woodland Green |
| Display | ||
| Type | Color IPS Screen (16M Colors) | Color IPS Screen (16.7M) |
| Touch | Yes, 180 Hz Touch Sampling Rate | Yes, 240 Hz Touch Sampling Rate |
| Size | 6.81 inches, 720 x 1570 pixels, 144 Hz | 6.72 inches, 1080 x 2400 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 394 PPI | ~ 395 PPI |
| Screen to Body Ratio | ~ 90.4% | ~ 91.4% |
| Brightness | HBM 1200nit | |
| Features | Contrast Ratio: Typical 1500: 1; minimum 1200: 1 | Brightness: 800nit (typ)/950nit (HBM） |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 8 GB | 6 GB |
| Expandable RAM | Upto 10 GB Extra Virtual RAM | Upto 6 GB Extra Virtual RAM |
| Storage | 256 GB | 128 GB |
| Card Slot | Yes, (Hybrid Slot) | Yes, upto 2 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 | NR: n1/n3/n5/n8/n28B/n40/n41(2535-2655MHz)/n77/n78 |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Support 802.11 a/b/g/n, Wi-Fi 5(802.11ac) | Wi-Fi 5, Wi-Fi 4 & 802.11a/b/g/n/ac |
| Bluetooth | Yes, v5.3 | Yes, v5.3, Support SBC, AAC, APTX, APTX-HD, LDAC, LHDC |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging, USB Storage | USB Tethering, USB on-the-go, USB Charging, USB Storage |
| Extra | ||
| GPS | Beidou, GPS, GLONASS, Galileo, QZSS | Yes, with GPS, Beidou, Glonass, Galileo, QZSS |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Proximity sensor, Ambient light sensor, E-compass, Accelerometer | Geomagnetic Sensor, Light Sensor, Proximity Sensor, Gyro-meter, Acceleration Sensor |
| 3.5mm Headphone Jack | Yes | |
| AI Features | Al Edit Genie | |
| Water Resistance | Yes | |
| Splash Resistant | Yes | |
| IP Rating | IP69 Pro | IP54 |
| Dust Resistant | Yes | Yes |
| Extra Features | Dual-mic Noise Cancellation | 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 |
| Camera | ||
| Rear Camera | 50 MP (Wide Angle) Resolution: 4096x3072, Equivalent Focal Length: 28mm, FOV: 76°, Lens: 5P, Sensor: 1/2.93” 2 MP (Depth Sensor) | 50 MP ƒ/1.8 (Wide Angle) 2 MP ƒ/2.4 (Depth Sensor) 22 mm, 1/5, Black & White Camera |
| Camera Sensor | Sony IMX852 | |
| Auto Focus | Yes | Yes |
| Features | Photo, Portrait Mode, Night, Panorama, Cinematic, TIME-LAPSE, HI-RES, Underwater, PRO, Hypertext, TILT-SHIFT, AI LANDSCAPE Mode, Street Photography Mod, Dual-View Video Mode | Photo, Video, Night, Street, Pro, Pano, Portrait, Time-Lapse, Slo-Mo, Text Scanner, 50M, Tilt-Shift, Movie, Dual-View Video |
| Video Recording | 1080p @ 30 fps FHD, 720p @ 30 fps HD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 50 MP ƒ/2.4 (Wide Angle) OV50D40 50MP Resolution: 4080x3072 Equivalent Focal Length: 22mm FOV：87° Aperture：f/2.4 Lens：5P Sensor: 1/2.88" Punch Hole, Screen Flash | 8 MP ƒ/2 (Wide Angle) 80° Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v14 |
| Custom UI | Realme UI 6 | Realme UI 5.0 |
| Chipset | Mediatek Dimensity 6300 | Mediatek Dimensity 6100 Plus |
| CPU | 2.4 GHz, Octa Core Processor | 2.2 GHz, Octa Core Processor |
| Core Details | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz | 2xCortex-A76@2.2 GHz & 6xCortex-A55@2.0 GHz |
| GPU | Arm Mali-G57 MC2 | Mali-G57 MC2 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, AAC, APE, AMR, WAV, OGG, FLAC, WMA | MP3, AAC, APE, AMR, WAV, OGG, FLAC, WMA |
| Video | AVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLV | AVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLV |
| FM Radio | No | No |
| Speaker Type | 1115 Ultra-Linear Speaker | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7000 mAh | 5000 mAh |
| Fast Charging | Yes, 60W SUPERVOOC Charge | Yes, 45W SUPERVOOC Charge |
| Reverse Charging | Yes, 6.5W | Yes |