Both Realme 15x 5G (8GB RAM + 128GB) and Oppo K13s comes with same RAM. In terms of display resolution, Oppo K13s has better resolution of 2800 x 1280 than Realme 15x 5G (8GB RAM + 128GB) which has resolution of 1570 x 720. Oppo K13s has more internal memory than Realme 15x 5G (8GB RAM + 128GB)
| Name | Realme 15x 5G (8GB RAM + 128GB) | Oppo K13s | 
| RAM | 8 GB | 8 GB | 
|---|---|---|
| Display | 6.81 in | 6.8 in | 
| Internal Memory | 128 GB | 256 GB | 
| Battery | 7000 mAh | 7000 mAh | 
| Camera | 50 MP + 2 MP Dual | 50 MP + 2 MP Dual | 
| Price | Rs. 17899 | Rs. 19990 | 
The launch Date of the first phone is October 01, 2025. The cost of Realme 15x 5G (8GB RAM + 128GB) is Rs. 17899. The launch Date of the second phone is expected to be December 01, 2025 (Expected). The Expected cost of Oppo K13s is Rs. 19990.
Oppo K13s has screen size of 6.8 inches which falls short to Realme 15x 5G (8GB RAM + 128GB)'s 6.81 inch screen. Realme 15x 5G (8GB RAM + 128GB) has IPS Screen type where as Oppo K13s has AMOLED Screen type. OPPO's phone has display density of 453 PPI & Realme's phone has only 394 PPI display density.
Both mobiles come with 8 GB RAM Oppo K13s has more Internal Memory (256 GB) than Realme 15x 5G (8GB RAM + 128GB) (128 GB).
Realme 15x 5G (8GB RAM + 128GB) has 50 MP + 2 MP Dual Rear Camera in comparison to Oppo K13s's 50 MP + 2 MP Dual Rear Camera. Realme 15x 5G (8GB RAM + 128GB) will be better choice if you're looking to click lot of selfies as it has better 50 MP Front Camera in comparison to Oppo K13s's 32 MP Front Camera.
Both the phones run on Android Operating System Version 15.
| Name | Realme 15x 5G (8GB RAM + 128GB) | Oppo K13s | 
| General | ||
| 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 | December 01, 2025 (Expected) | 
| 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 | |
| Design | ||
| Dimensions | 77.93 x 166.07 x 8.28 mm | |
| Weight | 212 g | |
| Bezel less | No | |
| Colors | Aqua Blue, Marine Blue, Maroon Red | Blue, Silver | 
| Display | ||
| Type | Color IPS Screen (16M Colors) | Color AMOLED Screen (1B Colors) | 
| Touch | Yes, 180 Hz Touch Sampling Rate | Yes | 
| Size | 6.81 inches, 720 x 1570 pixels, 144 Hz | 6.8 inches, 1280 x 2800 pixels | 
| Aspect Ratio | 20:9 | |
| PPI | ~ 394 PPI | ~ 453 PPI | 
| Screen to Body Ratio | ~ 90.4% | |
| Glass Type | Crystal Shield Glass | |
| Brightness | HBM 1200nit | |
| Features | Contrast Ratio: Typical 1500: 1; minimum 1200: 1 | |
| Notch | Yes, Punch Hole | |
| Memory | ||
| RAM | 8 GB | 8 GB | 
| Expandable RAM | Upto 10 GB Extra Virtual RAM | |
| Storage | 128 GB | 256 GB | 
| Card Slot | Yes, (Hybrid Slot) | |
| 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 | |
| VoLTE | 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) | |
| Bluetooth | Yes, v5.3 | Yes | 
| USB | Yes, USB-C v2.0 | Yes, USB-C | 
| USB Features | USB Tethering, USB on-the-go, USB Charging, USB Storage | USB Tethering, USB on-the-go, USB Charging, USB Storage | 
| IR Blaster | Yes | |
| Extra | ||
| GPS | Beidou, GPS, GLONASS, Galileo, QZSS | Yes | 
| Fingerprint Sensor | Yes, Side | Yes, In Display | 
| Face Unlock | Yes | |
| Sensors | Proximity sensor, Ambient light sensor, E-compass, Accelerometer | Accelerometer, Gyro, Proximity, Compass | 
| 3.5mm Headphone Jack | No | |
| NFC | Yes | |
| AI Features | Al Edit Genie | |
| Water Resistance | Yes | Yes, 1.5 m upto 30 min | 
| IP Rating | IP69 Pro | IP68 | 
| Dust Resistant | Yes | Yes | 
| Extra Features | Dual-mic Noise Cancellation | |
| 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 | 
| 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 | HDR, Panorama | 
| Video Recording | 1080p @ 30 fps FHD, 720p @ 30 fps HD | 4K @ 30 fps UHD, 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 | 32 MP (Wide Angle) | 
| Front Video Recording | 1080p @ 30 fps FHD | 1080p | 
| Technical | ||
| OS | Android v15 | Android v15 | 
| Custom UI | Realme UI 6 | |
| Chipset | Mediatek Dimensity 6300 | Qualcomm Snapdragon 7 Gen3 | 
| CPU | 2.4 GHz, Octa Core Processor | 2.63 GHz, Octa Core Processor | 
| Core Details | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz | 1xPrime Core@2.63 GHz & 3xPerformance Cores@2.4 GHz& 4xEfficiency cores@1.8 GHz | 
| GPU | Arm Mali-G57 MC2 | Adreno 720 | 
| Java | No | No | 
| Browser | Yes | Yes | 
| 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 | No | 
| Speaker Type | 1115 Ultra-Linear Speaker | |
| Document Reader | Yes | Yes | 
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery | 
| Size | 7000 mAh | 7000 mAh, Si/C Li-Ion | 
| Fast Charging | Yes, 60W SUPERVOOC Charge | |
| Reverse Charging | Yes, 6.5W | |