iQOO 15 has better RAM than Vivo Y31 5G (6GB RAM + 128GB). In terms of display resolution, iQOO 15 has better resolution of 3168 x 1440 than Vivo Y31 5G (6GB RAM + 128GB) which has resolution of 1608 x 720. iQOO 15 has more internal memory than Vivo Y31 5G (6GB RAM + 128GB)
| Name | iQOO 15 | Vivo Y31 5G (6GB RAM + 128GB) |
| RAM | 12 GB | 6 GB |
|---|---|---|
| Display | 6.85 in | 6.68 in |
| Internal Memory | 256 GB | 128 GB |
| Battery | 7000 mAh | 6500 mAh |
| Camera | 50 MP + 50 MP + 50 MP Triple | 50 MP |
| Price | Rs. 72998 | Rs. 20999 |
The launch Date of the first phone is November 26th, 2025. The cost of iQOO 15 is Rs. 72998. The launch Date of the second phone is September 15, 2025. The cost of Vivo Y31 5G (6GB RAM + 128GB) is Rs. 20999.
Vivo Y31 5G (6GB RAM + 128GB) has screen size of 6.68 inches which falls short to iQOO 15's 6.85 inch screen. iQOO 15 has Screen type where as Vivo Y31 5G (6GB RAM + 128GB) has IPS Screen type. iQOO's phone has display density of 508 PPI & Vivo's phone has only 264 PPI display density. In terms of screen to body ratio, iQOO's phone has better screen to body ratio of ~ 90.7% than Vivo's phone ~ 84%. iQOO 15 has 19.8:9 aspect ratio where as Vivo Y31 5G (6GB RAM + 128GB) has 20:9 aspect ratio.
iQOO 15's larger 12 GB RAM is better for playing games and all with respect to Vivo Y31 5G (6GB RAM + 128GB)'s lower 6 GB RAM. iQOO 15 has more Internal Memory (256 GB) than Vivo Y31 5G (6GB RAM + 128GB) (128 GB).
They both have the same 50 MP + 50 MP + 50 MP Triple Rear Camera. iQOO 15 will be better choice if you're looking to click lot of selfies as it has better 32 MP Front Camera in comparison to Vivo Y31 5G (6GB RAM + 128GB)'s 8 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 16 and the second one on 15 version.
| Name | iQOO 15 | Vivo Y31 5G (6GB RAM + 128GB) |
| General | ||
| Country of Origin | India | |
| Model | V2505A | Y31 |
| 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 | 5 years | |
| Security Updates | 7 years | |
| Release Date | November 26th, 2025 | September 15, 2025 |
| In The Box | USB Cable, SIM Tray Ejector, Phone Case, Screen Protector (Applied), Power Adapter | |
| Design | ||
| Dimensions | 76.8 x 163.7 x 8.1 mm | 77 x 166.1 x 8.4 mm |
| Weight | 215 g | 209 g |
| Bezel less | Yes | |
| Colors | Legend : Glass | Alpha : Fiber Glass | Rose Red, Diamond Green |
| Display | ||
| Type | Color Samsung 2K M14 LEADTM OLED Display (1.07B) | Color IPS Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.85 inches, 1440 x 3168 pixels, 144 Hz | 6.68 inches, 720 x 1608 pixels, 120 Hz |
| Aspect Ratio | 19.8:9 | 20:9 |
| PPI | ~ 508 PPI | ~ 264 PPI |
| Screen to Body Ratio | ~ 90.7% | ~ 84% |
| Glass Type | Guardian Glass (ion-strengthened) | |
| Brightness | 2600 nits Global Brightness, 1000 nits Manual full-screen Brightness, 6000 nits Local Peak Brightness, Anti-Reflective Protective Film | 1000nts |
| Features | 118% P3 Color Gamut Coverage, Dolby Atmos | |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
| Memory | ||
| RAM | 12 GB | 6 GB |
| RAM Type | LPDDR5X Ultra | |
| Expandable RAM | Upto 12 GB Extra Virtual RAM | Upto 6 GB Extra Virtual RAM |
| Storage | 256 GB | 128 GB |
| Storage Type | UFS 4.1 | eMMC 5.1 |
| Card Slot | Yes, (Hybrid Slot) | |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | n1/n2/n3/n5/n7/n8/n18/n20/n26/n28A/n28B/n38/n40/n41/n48/n66/n71/n77/n78 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7 | |
| Bluetooth | Yes, A2DP, LE, aptX HD | Yes, v4.2 |
| USB | Yes, USB-C v3.2 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Performance | ||
| AnTuTu Score | 3,820,464 (Total) (v11) 1,096,771 (CPU) 1,423,985 (GPU) 426,378 (Memory) 87,330 (UX) | |
| AnTuTu Storage Score | 143,770 | |
| Geekbench Score | 9,993 (Multi Core) (v6) 3,532 (Single Core) 23,942 (OpenCL) 27,067 (Vulkan) | |
| 3DMark Score | 7,191 (Wild Life Extreme) | |
| Extra | ||
| GPS | Yes, with GPS, GLONASS, GALILEO, BeiDou, NavIC, GNSS, QZSS | with A-GPS, BeiDou, GLONASS, Galileo |
| Fingerprint Sensor | Yes, In Display | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Accelerometer, Proximity, Compass |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | |
| AI Features | AI Esports Signal Engine, AI Season Change, AI Creation, AI Captions | SMart AI, Ai Erase, Ai Photo Enhance, Circle to Search |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes, 1.5 m upto 30 min |
| IP Rating | IP68 + IP69 | IP68 |
| Dust Resistant | Yes | Yes |
| Extra Features | Q3 Gaming Chip, 8K VC Cooling System, New-Gen 3D Ultrasonic Fingerprint, Bypass Charging, Next-Gen Super Touch Control, Industry's First Dual Axis Vibration motor | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.9 (Wide Angle) Sony IMX921 (1/1.56"" Sony TrueColor Camera) 50 MP ƒ/2.65 (Telephoto) Sony IMX 882 (1/1.95"" 3X Periscope Camera) 50 MP ƒ/2.05 (Ultra Wide) 1/2.76", 0.64µm, AF | 50 MP ƒ/1.8 (Wide Angle) |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | HDR, panorama | Ring- panorama |
| Video Recording | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 32 MP ƒ/2.2 (Wide Angle) Punch Hole | 8 MP ƒ/2 (Wide Angle) |
| Front Video Recording | 4K @ 60 fps UHD, 1080p @ 60 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v16 | Android v15 |
| Custom UI | OriginOS 6 | |
| Chipset | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 4 Gen2 |
| CPU | 4.6 GHz, Octa Core Processor | 2.2 GHz, Octa Core Processor |
| Core Details | 2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M | 2x Performance Cores@2.2GHz & 6x Efficiency Cores@2GHz |
| Fabrication Node | 3 nm | |
| GPU | Adreno 840 | Adreno 613 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | AAC, OGG, FLAC, WMA, WAV, APE, MP3, MP1 | WAV, MP3, MP2, AMR-NB, MIDI, Vorbis, APE, FLAC, OGG, M4A |
| Video | MP4, 3GP, AVI | MP4, 3GP, AVI, TS, MKV, FLV |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | Dual Stereo |
| Audio Features | Symmetrical Dual Stereo Speakers | |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7000 mAh, Silicon Anode Battery | 6500 mAh |
| Fast Charging | Yes, 100W Fast Charging | Yes, 44W |
| Wireless Charging | Yes, 40W | |
| Reverse Charging | Yes | |