Xiaomi Redmi K50i 5G vs Vivo Y31 5G
Quick Comparison
Xiaomi Redmi K50i 5G has better RAM than Vivo Y31 5G. In terms of display resolution, Xiaomi Redmi K50i 5G has better resolution of 2460 x 1080 than Vivo Y31 5G which has resolution of 1608 x 720. Both have the same amount of internal memory.
| Name | Xiaomi Redmi K50i 5G | Vivo Y31 5G |
| RAM | 6 GB | 4 GB |
|---|---|---|
| Display | 6.6 in | 6.68 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 5080 mAh | 6500 mAh |
| Camera | 64 MP + 8 MP + 2 MP Triple | 50 MP |
| Price | Rs. 24999 | Rs. 14999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is July 20, 2022. The cost of Xiaomi Redmi K50i 5G is Rs. 24999. The launch Date of the second phone is September 15, 2025. The cost of Vivo Y31 5G is Rs. 14999.
Display comparison
Xiaomi Redmi K50i 5G has screen size of 6.6 inches which falls short to Vivo Y31 5G's 6.68 inch screen. Xiaomi Redmi K50i 5G has Screen type where as Vivo Y31 5G has IPS Screen type. Xiaomi's phone has display density of 407 PPI & Vivo's phone has only 264 PPI display density. Xiaomi Redmi K50i 5G has 20.5:9 aspect ratio where as Vivo Y31 5G has 20:9 aspect ratio.
Memory comparison
Xiaomi Redmi K50i 5G's larger 6 GB RAM is better for playing games and all with respect to Vivo Y31 5G's lower 4 GB RAM. and both have same Internal Memory of 128 GB.
Camera comparison
Xiaomi Redmi K50i 5G's 64 MP + 8 MP + 2 MP Triple Rear Camera outclasses Vivo Y31 5G's 50 MP Rear Camera in terms of resolution. Xiaomi Redmi K50i 5G will be better choice if you're looking to click lot of selfies as it has better 16 MP Front Camera in comparison to Vivo Y31 5G's 8 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 12 and the second one on 15 version.
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Full Comparison
| Name | Xiaomi Redmi K50i 5G | Vivo Y31 5G |
| General | ||
| Country of Origin | India | |
| Model | K50i | 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 | July 20, 2022 | September 15, 2025 |
| In The Box | USB Cable, SIM Tray Ejector, Phone Case, Screen Protector (Applied), Power Adapter | |
| Design | ||
| Dimensions | 74.29 x 163.64 x 8.87 mm | 77 x 166.1 x 8.4 mm |
| Weight | 200 g | 209 g |
| Colors | Rose Red, Diamond Green | |
| Display | ||
| Type | Color Liquid FFS LCD Panel (1 Billion) | Color IPS Screen (16M Colors) |
| Touch | Yes, 270 Hz Touch Sampling Rate | Yes |
| Size | 6.6 inches, 1080 x 2460 pixels, 144 Hz | 6.68 inches, 720 x 1608 pixels, 120 Hz |
| Aspect Ratio | 20.5:9 | 20:9 |
| PPI | ~ 407 PPI | ~ 264 PPI |
| Screen to Body Ratio | ~ 84% | |
| Glass Type | Corning Gorilla Glass 5 | Guardian Glass (ion-strengthened) |
| Brightness | 1000nts | |
| Features | Dolby Vision, HDR10+, 1400:1 Contrast Ratio,650 nits (HBM), 500 nits (typ) Brightness, AI Display, Eye Protection Mode, Sunlight Display, 100% DCI-P3, 7 Stage Adaptive Sync | |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
| Memory | ||
| RAM | 6 GB | 4 GB |
| Expandable RAM | Upto 4 GB Extra Virtual RAM | |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 3.1 | 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 | N3 | N5 | N7 | N8 | N20 | N28A | N38 | N40 | N41 | N77 | N78 | |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 6 | |
| Bluetooth | Yes, v5.3, A2DP, LE | Yes, v4.2 |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Extra | ||
| GPS | Yes, with A-GPS. Up to tri-band: GLONASS, BDS, GALILEO, QZSS, NavIC | with A-GPS, BeiDou, GLONASS, Galileo |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Color Spectrum, X-Axis Linear Motor, IR Blaster | Accelerometer, Proximity, Compass |
| 3.5mm Headphone Jack | Yes, 500mv @ 32Ω, High Impedance Jack | No |
| AI Features | SMart AI, Ai Erase, Ai Photo Enhance, Circle to Search | |
| Water Resistance | Yes, IP53 | Yes, 1.5 m upto 30 min |
| IP Rating | IP53 | IP68 |
| Dust Resistant | Yes | Yes |
| Extra Features | Dolby Atmos, Dual Stereo Speakers, Liquid Cool Technology 2.0, Super Big VC + 7 layers of graphite, X-axis linear motor | |
| Camera | ||
| Rear Camera | 64 MP ƒ/1.89 (Main) 8 MP ƒ/2.2 (Ultra Wide) 2 MP ƒ/2.4 (Macro) Macro | 50 MP ƒ/1.8 (Wide Angle) |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | Ai Camera, Long Exposures, Timed-burst, Photo Clones, Documents Mode, Macro, HDR, Ai Beautify Filters, Portrait, Movie Frame, Night Mode, Panorama, Pro Mode | Ring- panorama |
| Video Recording | 4K @ 30 fps UHD, 1080p @ 30/60 fps FHD, 720p @ 30 fps HD | 1080p @ 30 fps FHD |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | 16 MP ƒ/2.45 (Wide Angle) Punch Hole | 8 MP ƒ/2 (Wide Angle) |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v12 | Android v15 |
| Chipset | MediaTek Dimensity 8100 | Qualcomm Snapdragon 4 Gen2 |
| CPU | 2.85 GHz, Octa Core Processor | 2.2 GHz, Octa Core Processor |
| Core Details | 4x2.85 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55 | 2x Performance Cores@2.2GHz & 6x Efficiency Cores@2GHz |
| GPU | Mali-G610 MC6 | 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 | 5080 mAh, Li-Po Battery | 6500 mAh |
| Fast Charging | Yes, 67W Fast charging | Yes, 44W |