Realme 15x 5G (8GB RAM + 128GB) vs Vivo Y31 5G (6GB RAM + 128GB)
Quick Comparison
Realme 15x 5G (8GB RAM + 128GB) has better RAM than Vivo Y31 5G (6GB RAM + 128GB). In terms of display resolution, Vivo Y31 5G (6GB RAM + 128GB) has better resolution of 1620 x 720 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) | Vivo Y31 5G (6GB RAM + 128GB) |
| RAM | 8 GB | 6 GB |
|---|---|---|
| Display | 6.81 in | 6.68 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 7000 mAh | 6500 mAh |
| Camera | 50 MP + 2 MP Dual | 50 MP + 0.08 MP Dual |
| Price | Rs. 16999 | Rs. 16499 |
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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 + 128GB) is Rs. 16999. The launch Date of the second phone is September 14, 2025. The cost of Vivo Y31 5G (6GB RAM + 128GB) is Rs. 16499.
Display comparison
Realme 15x 5G (8GB RAM + 128GB) has larger screen size of 6.81 inches in comparison to Vivo Y31 5G (6GB RAM + 128GB)'s 6.68 inch screen. There is IPS Screen Type in both the phones. Realme's phone has display density of 394 PPI & Vivo's phone has only 266 PPI display density. In terms of screen to body ratio, Vivo's phone has better screen to body ratio of ~ 90.7% than Realme's phone ~ 90.4%. Both mobiles have same aspect ratio of 20:9.
Memory comparison
Realme 15x 5G (8GB RAM + 128GB)'s larger 8 GB RAM is better for playing games and all with respect to Vivo Y31 5G (6GB RAM + 128GB)'s lower 6 GB RAM. and both have same Internal Memory of 128 GB.
Camera comparison
They both have the same 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 Vivo Y31 5G (6GB RAM + 128GB)'s 8 MP Front Camera.
Technical comparison
Both the phones run on Android Operating System Version 15.
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Full Comparison
| Name | Realme 15x 5G (8GB RAM + 128GB) | Vivo Y31 5G (6GB RAM + 128GB) |
| General | ||
| Country of Origin | India | |
| Model | Y31 | |
| 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 14, 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 | USB Cable, SIM Tray Ejector, Phone Case, Screen Protector (Applied), Power Adapter |
| 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 IPS Screen (16M Colors) |
| Touch | Yes, 180 Hz Touch Sampling Rate | Yes |
| Size | 6.81 inches, 720 x 1570 pixels, 144 Hz | 6.68 inches, 720 x 1620 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 394 PPI | ~ 266 PPI |
| Screen to Body Ratio | ~ 90.4% | ~ 90.7% |
| Brightness | HBM 1200nit | 1000nts |
| Features | Contrast Ratio: Typical 1500: 1; minimum 1200: 1 | |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
| Memory | ||
| RAM | 8 GB | 6 GB |
| Expandable RAM | Upto 10 GB Extra Virtual RAM | Upto 6 GB Extra Virtual RAM |
| Storage | 128 GB | 128 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 | 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, v5.4 |
| 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 |
| Extra | ||
| GPS | Beidou, GPS, GLONASS, Galileo, QZSS | with A-GPS, BeiDou, GLONASS, Galileo |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Proximity sensor, Ambient light sensor, E-compass, Accelerometer | Accelerometer, Ambient Light Sensor, Proximity Sensor, E-compass, Virtual Gyroscope |
| AI Features | Al Edit Genie | SMart AI, Ai Erase, Ai Photo Enhance, Circle to Search |
| Water Resistance | Yes | |
| IP Rating | IP69 Pro | |
| Dust Resistant | 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 (Main) 0.08 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 | |
| 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 |
| Front Video Recording | 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v15 | Android v15 |
| Custom UI | Realme UI 6 | |
| Chipset | Mediatek Dimensity 6300 | MediaTek Dimensity 6300 |
| CPU | 2.4 GHz, Octa Core Processor | Octa Core Processor |
| Core Details | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz | |
| GPU | Arm Mali-G57 MC2 | |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, AAC, APE, AMR, WAV, OGG, FLAC, WMA | WAV, MP3, MP2, AMR-NB, MIDI, Vorbis, APE, FLAC, OGG, M4A |
| Video | AVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLV | MP4, 3GP, AVI, TS, MKV, FLV |
| FM Radio | No | Yes |
| Speaker Type | 1115 Ultra-Linear Speaker | Dual Stereo |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7000 mAh | 6500 mAh |
| Fast Charging | Yes, 60W SUPERVOOC Charge | Yes, 44W |
| Reverse Charging | Yes, 6.5W | |