Realme 15x 5G (8GB RAM + 128GB) vs Oppo F31 5G
Quick Comparison
Both Realme 15x 5G (8GB RAM + 128GB) and Oppo F31 5G comes with same RAM. In terms of display resolution, Oppo F31 5G has better resolution of 2412 x 1080 than Realme 15x 5G (8GB RAM + 128GB) which has resolution of 1570 x 720. Both have the same amount of internal memory.
| Name | Realme 15x 5G (8GB RAM + 128GB) | Oppo F31 5G |
| RAM | 8 GB | 8 GB |
|---|---|---|
| Display | 6.81 in | 6.57 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 7000 mAh | 7000 mAh |
| Camera | 50 MP + 2 MP Dual | 50 MP + 2 MP Dual |
| Price | Rs. 17999 | Rs. 22999 |
Related Products
Detailed Comparison
Price And Launch
The launch Date of the first phone is October 01, 2025. The cost of Realme 15x 5G (8GB RAM + 128GB) is Rs. 17999. The launch Date of the second phone is September 15, 2025. The cost of Oppo F31 5G is Rs. 22999.
Display comparison
Realme 15x 5G (8GB RAM + 128GB) has larger screen size of 6.81 inches in comparison to Oppo F31 5G's 6.57 inch screen. Realme 15x 5G (8GB RAM + 128GB) has IPS Screen type where as Oppo F31 5G has AMOLED Screen type. OPPO's phone has display density of 402 PPI & Realme's phone has only 394 PPI display density. In terms of screen to body ratio, OPPO's phone has better screen to body ratio of ~ 92.2% than Realme's phone ~ 90.4%. Both phones have same aspect ratio of 20:9.
Memory comparison
Both mobiles come with 8 GB RAM and both have same Internal Memory of 128 GB.
Camera comparison
Realme 15x 5G (8GB RAM + 128GB) has 50 MP + 2 MP Dual Rear Camera in comparison to Oppo F31 5G'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 F31 5G's 16 MP Front Camera.
Technical comparison
Both the phones run on Android Operating System Version 15.
Related Comparisons
Full Comparison
| Name | Realme 15x 5G (8GB RAM + 128GB) | Oppo F31 5G |
| General | ||
| Country of Origin | India | |
| Model | CPH2781 | |
| 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 |
| Release Date | October 01, 2025 | September 15, 2025 |
| 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 | Handset, Charger, USB Data Cable, Sim Ejector Tool, Quick Guide, Protective Case |
| Design | ||
| Dimensions | 77.93 x 166.07 x 8.28 mm | |
| Weight | 212 g | |
| Bezel less | No | |
| Colors | Aqua Blue, Marine Blue, Maroon Red | |
| Display | ||
| Type | Color IPS Screen (16M Colors) | Color AMOLED Screen (16M Colors) |
| Touch | Yes, 180 Hz Touch Sampling Rate | Yes, 360 Hz Touch Sampling Rate |
| Size | 6.81 inches, 720 x 1570 pixels, 144 Hz | 6.57 inches, 1080 x 2412 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 394 PPI | ~ 402 PPI |
| Screen to Body Ratio | ~ 90.4% | ~ 92.2% |
| Glass Type | AGC DT-Star D+ | |
| Brightness | HBM 1200nit | |
| Features | Contrast Ratio: Typical 1500: 1; minimum 1200: 1 | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Expandable RAM | Upto 10 GB Extra Virtual RAM | Upto 8 GB Extra Virtual RAM |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | |
| 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 | n1/n3/n5/n7/n8/n20/n28A/n28B/n66/n38/n40/n41/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) | 802.11 a/b/g/n/ac, Wi-Fi 5 (802.11 ac), 802.11 a/b/g/n, WLAN (2.4 GHz | 5 GHz), WLAN Display, WLAN Tethering, 1 x 1 SOSO |
| Bluetooth | Yes, v5.3 | Yes, v5.4, 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 on-the-go, USB Charging |
| IR Blaster | Yes | |
| Extra | ||
| GPS | Beidou, GPS, GLONASS, Galileo, QZSS | Yes, with A-GPS, GLONASS, BDS, GALILEO, QZSS |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Proximity sensor, Ambient light sensor, E-compass, Accelerometer | Geomagnetic Induction, Ambient Light Induction, Proximity Sensor, Acceleration Sensor, Gravity Sensor, Gyroscope, Infrared Sensor, Step Recording Function, Facial Recognition Sensor |
| 3.5mm Headphone Jack | No | |
| AI Features | Al Edit Genie | Smart Document (AI summaries, translations, rewriting), Smart Note (AI-enhanced note-taking), and high-quality scanning. Integrated Google Gemini delivers multimodal AI intelligence |
| Water Resistance | Yes | Yes |
| IP Rating | IP69 Pro | IP69+IP68+IP66 |
| Dust Resistant | Yes | Yes |
| Extra Features | Dual-mic Noise Cancellation | 4300 mm² VC cooling system |
| 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) Sensor: OV50D40, Sensor size: 1/2.88″, Single pixel size: 0.612 um, Aperture size: f/1.8, Focal length: 27 mm, Lens configuration: 5P, Supporting AF 2 MP Sensor: GC02M1-C24YK, Sensor size: 1/5″, Single pixel size: 1.75 um, Aperture size: f/2.4, Focal length: 22 mm, Lens configuration: 3P |
| 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 | |
| Video Recording | 1080p @ 30 fps FHD, 720p @ 30 fps HD | 1080p @ 30 fps FHD, 720p |
| 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 | 16 MP (Wide Angle) Sensor size: 1/3.09″, Single pixel size: 1.0 um, Aperture size: f/2.4, Focal length: 23 mm, Lens configuration: 4P Punch Hole |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v15 |
| Custom UI | Realme UI 6 | ColorOS 15 |
| Chipset | Mediatek Dimensity 6300 | Mediatek Dimensity 6300 |
| CPU | 2.4 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Core Details | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz |
| GPU | Arm Mali-G57 MC2 | Arm Mali-G57 MC2 |
| 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 |
| Fast Charging | Yes, 60W SUPERVOOC Charge | Yes, 80W SUPERVOOC Charging |
| Reverse Charging | Yes, 6.5W | Yes |