Vivo Y400 Pro 5G (8GB RAM + 256GB) vs Vivo Y31 5G (6GB RAM + 128GB)
Quick Comparison
Vivo Y400 Pro 5G (8GB RAM + 256GB) has better RAM than Vivo Y31 5G (6GB RAM + 128GB). In terms of display resolution, Vivo Y400 Pro 5G (8GB RAM + 256GB) has better resolution of 2392 x 1080 than Vivo Y31 5G (6GB RAM + 128GB) which has resolution of 1608 x 720. Vivo Y400 Pro 5G (8GB RAM + 256GB) has more internal memory than Vivo Y31 5G (6GB RAM + 128GB)
| Name | Vivo Y400 Pro 5G (8GB RAM + 256GB) | Vivo Y31 5G (6GB RAM + 128GB) |
| RAM | 8 GB | 6 GB |
|---|---|---|
| Display | 6.77 in | 6.68 in |
| Internal Memory | 256 GB | 128 GB |
| Battery | 5500 mAh | 6500 mAh |
| Camera | 50 MP + 2 MP Dual | 50 MP |
| Price | Rs. 27999 | Rs. 20900 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is June 20, 2025. The cost of Vivo Y400 Pro 5G (8GB RAM + 256GB) is Rs. 27999. The launch Date of the second phone is September 15, 2025. The cost of Vivo Y31 5G (6GB RAM + 128GB) is Rs. 20900.
Display comparison
Vivo Y31 5G (6GB RAM + 128GB) has screen size of 6.68 inches which falls short to Vivo Y400 Pro 5G (8GB RAM + 256GB)'s 6.77 inch screen. Vivo Y400 Pro 5G (8GB RAM + 256GB) has AMOLED Screen type where as Vivo Y31 5G (6GB RAM + 128GB) has IPS Screen type. Vivo Y400 Pro 5G (8GB RAM + 256GB) has display density of 388 PPI & Vivo Y31 5G (6GB RAM + 128GB) has only 264 PPI display density. In terms of screen to body ratio, Vivo Y400 Pro 5G (8GB RAM + 256GB) has better screen to body ratio of ~ 88.8% than Vivo Y31 5G (6GB RAM + 128GB)'s ~ 84%. Both mobiles have same aspect ratio of 20:9.
Memory comparison
Vivo Y400 Pro 5G (8GB RAM + 256GB)'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. Vivo Y400 Pro 5G (8GB RAM + 256GB) has more Internal Memory (256 GB) than Vivo Y31 5G (6GB RAM + 128GB) (128 GB).
Camera comparison
They both have the same 50 MP + 2 MP Dual Rear Camera. Vivo Y400 Pro 5G (8GB RAM + 256GB) 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.
Technical comparison
Both the phones run on Android Operating System Version 15.
Related Comparisons
Full Comparison
| Name | Vivo Y400 Pro 5G (8GB RAM + 256GB) | Vivo Y31 5G (6GB RAM + 128GB) |
| General | ||
| Country of Origin | India | India |
| Model | Y400 Pro 5G | 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 |
| SAR | 0.9 W/kg (Head) 0.9 W/kg (Body) | |
| Device Type | Smartphone | Smartphone |
| Release Date | June 20, 2025 | September 15, 2025 |
| In The Box | USB Cable, SIM Tray Ejector, Phone Case, Screen Protector (Applied), Power Adapter | |
| Design | ||
| Dimensions | 75 x 163.72 x 7.49 mm | 77 x 166.1 x 8.4 mm |
| Weight | 182 g | 209 g |
| Colors | Black, Ocean Blue, Titanium, White | Rose Red, Diamond Green |
| Display | ||
| Type | Color AMOLED Screen (1B Colors) | Color IPS Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.77 inches, 1080 x 2392 pixels, 120 Hz | 6.68 inches, 720 x 1608 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 388 PPI | ~ 264 PPI |
| Screen to Body Ratio | ~ 88.8% | ~ 84% |
| Glass Type | Guardian Glass (ion-strengthened) | |
| Brightness | 4500nits | 1000nts |
| Features | Always-on display | |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
| Curved Display | Yes | |
| Memory | ||
| RAM | 8 GB | 6 GB |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | Upto 6 GB Extra Virtual RAM |
| Storage | 256 GB | 128 GB |
| Storage Type | UFS 2.2 | 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/n8/n28B/n38/n40/n41 (2535–2655 MHz)/n77/n78 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | 2.4 GHz, 5 GHz | |
| Bluetooth | Yes, v5.4 | 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 | |
| Performance | ||
| AnTuTu Score | 720,000 (Total) (v10) | |
| Extra | ||
| GPS | GPS, BeiDou, GLONASS, Galileo, 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 |
| AI Features | AI Super Link, AI Transcript Assist, AI Note Assist | SMart AI, Ai Erase, Ai Photo Enhance, Circle to Search |
| Water Resistance | Yes, 1.5 m upto 30 min | |
| Splash Resistant | Yes | |
| IP Rating | IP65 | IP68 |
| Dust Resistant | Yes | Yes |
| Camera | ||
| Rear Camera | 50 MP (Wide Angle) 2 MP (Depth Sensor) | 50 MP ƒ/1.8 (Wide Angle) |
| Camera Sensor | Sony IMX882 | |
| Auto Focus | Yes | Yes |
| Features | Photo, Portrait, Night, Video, 50 MP, Pano, Ultra HD Document, Slo-mo, Time-lapse, Supermoon, Pro, Food, Dual View, Film Camera | Ring- panorama |
| Video Recording | 4K, 1080p | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 32 MP ƒ/2 (Wide Angle) Punch Hole | 8 MP ƒ/2 (Wide Angle) |
| Front Video Recording | 1080p, 4K | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v15 |
| Custom UI | Funtouch OS 15 | |
| Chipset | Mediatek Dimensity 7300 | Qualcomm Snapdragon 4 Gen2 |
| CPU | 2.5 GHz, Octa Core Processor | 2.2 GHz, Octa Core Processor |
| Core Details | 4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55 | 2x Performance Cores@2.2GHz & 6x Efficiency Cores@2GHz |
| Fabrication Node | 4nm | |
| GPU | Mali-G615 MC2 | Adreno 613 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | AAC, WAV, MP3, MP2, MP1, MIDI, Vorbis, APE, FLAC, OPUS | WAV, MP3, MP2, AMR-NB, MIDI, Vorbis, APE, FLAC, OGG, M4A |
| Video | MP4, 3GP, AVI, TS, MKV, FLV | MP4, 3GP, AVI, TS, MKV, FLV |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | Dual Stereo |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5500 mAh, Li-ion Battery | 6500 mAh |
| Fast Charging | Yes, 90W Fast Charging | Yes, 44W |
| Video Playback Time | 21 hours | |