Vivo Y31 5G (6GB RAM + 128GB) has better RAM than Poco C85x. In terms of display resolution, Vivo Y31 5G (6GB RAM + 128GB) has better resolution of 1608 x 720 than Poco C85x which has resolution of 1600 x 720. Vivo Y31 5G (6GB RAM + 128GB) has more internal memory than Poco C85x
| Name | Poco C85x | Vivo Y31 5G (6GB RAM + 128GB) |
| RAM | 4 GB | 6 GB |
|---|---|---|
| Display | 6.9 in | 6.68 in |
| Internal Memory | 64 GB | 128 GB |
| Battery | 6300 mAh | 6500 mAh |
| Camera | 32 MP | 50 MP |
| Price | Rs. 13997 | Rs. 23991 |
The launch Date of the first phone is March 10, 2026. The cost of Poco C85x is Rs. 13997. The launch Date of the second phone is September 15, 2025. The cost of Vivo Y31 5G (6GB RAM + 128GB) is Rs. 23991.
Vivo Y31 5G (6GB RAM + 128GB) has screen size of 6.68 inches which falls short to Poco C85x's 6.9 inch screen. There is IPS Screen Type in both the phones. Vivo's phone has display density of 264 PPI & Poco's phone has only 254 PPI display density. In terms of screen to body ratio, Poco's phone has better screen to body ratio of ~ 84.3% than Vivo's phone ~ 84%. Poco C85x has 20.6:9 aspect ratio where as Vivo Y31 5G (6GB RAM + 128GB) has 20:9 aspect ratio.
Vivo Y31 5G (6GB RAM + 128GB)'s larger 6 GB RAM is better for playing games and all with respect to Poco C85x's lower 4 GB RAM. Vivo Y31 5G (6GB RAM + 128GB) has more Internal Memory (128 GB) than Poco C85x (64 GB).
Vivo Y31 5G (6GB RAM + 128GB)'s 50 MP Rear Camera outshines Poco C85x's 32 MP Rear Camera in terms of resolution. Both of them stand equal in terms of Front Camera Resolution as both have 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 | Poco C85x | Vivo Y31 5G (6GB RAM + 128GB) |
| General | ||
| Country of Origin | India | |
| Model | MZB0NKKIN, C85x | 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 |
| Release Date | March 10, 2026 | September 15, 2025 |
| In The Box | 1 x Handset, 1 x Adapter, 1 x Type-C USB Cable, 1 x Sim Eject Tool, 1 x Quick Start Guide, 1 x Warranty Card | USB Cable, SIM Tray Ejector, Phone Case, Screen Protector (Applied), Power Adapter |
| Design | ||
| Dimensions | 79.5 x 171.6 x 8.2 mm | 77 x 166.1 x 8.4 mm |
| Weight | 210 g | 209 g |
| Colors | Black, Green, Gold | Rose Red, Diamond Green |
| Display | ||
| Type | Color IPS Screen (16M Colors) | Color IPS Screen (16M Colors) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes |
| Size | 6.9 inches, 720 x 1600 pixels, 120 Hz | 6.68 inches, 720 x 1608 pixels, 120 Hz |
| Aspect Ratio | 20.6:9 | 20:9 |
| PPI | ~ 254 PPI | ~ 264 PPI |
| Screen to Body Ratio | ~ 84.3% | ~ 84% |
| Glass Type | Guardian Glass (ion-strengthened) | |
| Brightness | 800 HBM Brightness | 1000nts |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
| Memory | ||
| RAM | 4 GB | 6 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 4 GB Extra Virtual RAM | Upto 6 GB Extra Virtual RAM |
| Storage | 64 GB | 128 GB |
| Storage Type | UFS 2.2 | eMMC 5.1 |
| Card Slot | Yes, upto 2 TB | Yes, (Hybrid Slot) |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 5 | |
| Bluetooth | Yes, v5.4 | Yes, v4.2 |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| Performance | ||
| AnTuTu Score | 600,000 (Total) (v11) | |
| Extra | ||
| GPS | Yes, with A-GPS, Glonass, Beidou | with A-GPS, BeiDou, GLONASS, Galileo |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Proximity, Compass | Accelerometer, Proximity, Compass |
| 3.5mm Headphone Jack | Yes | No |
| AI Features | SMart AI, Ai Erase, Ai Photo Enhance, Circle to Search | |
| Water Resistance | Yes, 1.5 m upto 30 min | |
| Splash Resistant | Yes | |
| IP Rating | IP52 | IP68/IP69 |
| Dust Resistant | Yes | Yes |
| Camera | ||
| Rear Camera | 32 MP (Wide Angle) | 50 MP ƒ/1.8 (Wide Angle) |
| Auto Focus | Yes | Yes |
| Features | HDR | Ring- panorama |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 8 MP ƒ/2 (Wide Angle) Punch Hole, Screen Flash | 8 MP ƒ/2 (Wide Angle) |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Front Camera Features | HDR | PDAF, Palm Capture, Voice Control, Selfie Softlight, Live Photos, HDR, Panorama, Bokeh, Portrait Bokeh, Screen Flash |
| Technical | ||
| OS | Android v16 | Android v15 |
| Custom UI | HyperOS 3 | |
| Chipset | Unisoc T8300 | Qualcomm Snapdragon 4 Gen2 |
| CPU | 2.2 GHz, Octa Core Processor | 2.2 GHz, Octa Core Processor |
| Core Details | 2x Performance Cores@2.2GHz & 6x Efficiency Cores@2GHz | |
| Fabrication Node | 6nm | |
| GPU | Mali-G57 MC2 | Adreno 613 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | WAV, MP3, MP2, AMR-NB, MIDI, Vorbis, APE, FLAC, OGG, M4A |
| Video | Yes | MP4, 3GP, AVI, TS, MKV, FLV |
| FM Radio | Yes | No |
| Speaker Type | Dual Stereo | |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6300 mAh | 6500 mAh |
| Fast Charging | Yes, 15W | Yes, 44W |
| Reverse Charging | Yes, 7.5W | |