Both Vivo Y400 5G (8GB RAM + 256GB) and Vivo T4x 5G (8GB RAM + 256GB) comes with same RAM. In terms of display resolution, Vivo T4x 5G (8GB RAM + 256GB) has better resolution of 2408 x 1080 than Vivo Y400 5G (8GB RAM + 256GB) which has resolution of 2400 x 1080. Both have the same amount of internal memory.
| Name | Vivo Y400 5G (8GB RAM + 256GB) | Vivo T4x 5G (8GB RAM + 256GB) | 
| RAM | 8 GB | 8 GB | 
|---|---|---|
| Display | 6.67 in | 6.72 in | 
| Internal Memory | 256 GB | 256 GB | 
| Battery | 6000 mAh | 6500 mAh | 
| Camera | 50 MP + 2 MP Dual | 50 MP + 2 MP Dual | 
| Price | Rs. 23998 | Rs. 16499 | 
The launch Date of the first phone is August 04, 2025. The cost of Vivo Y400 5G (8GB RAM + 256GB) is Rs. 23998. The launch Date of the second phone is March 05, 2025. The cost of Vivo T4x 5G (8GB RAM + 256GB) is Rs. 16499.
Vivo T4x 5G (8GB RAM + 256GB) has larger screen size of 6.72 inches in comparison to Vivo Y400 5G (8GB RAM + 256GB)'s 6.67 inch screen. Vivo Y400 5G (8GB RAM + 256GB) has AMOLED Screen type where as Vivo T4x 5G (8GB RAM + 256GB) has LCD Screen type. Vivo Y400 5G (8GB RAM + 256GB) has display density of 395 PPI & Vivo T4x 5G (8GB RAM + 256GB) has only 393 PPI display density. In terms of screen to body ratio, Vivo Y400 5G (8GB RAM + 256GB) has better screen to body ratio of ~ 91.96% than Vivo T4x 5G (8GB RAM + 256GB)'s ~ 83%. Both mobiles have same aspect ratio of 20:9.
Both phones come with 8 GB RAM and both have same Internal Memory of 256 GB.
Vivo Y400 5G (8GB RAM + 256GB) has 50 MP + 2 MP Dual Rear Camera in comparison to Vivo T4x 5G (8GB RAM + 256GB)'s 50 MP + 2 MP Dual Rear Camera. Vivo Y400 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 T4x 5G (8GB RAM + 256GB)'s 8 MP Front Camera.
Both the phones run on Android Operating System Version 15.
| Name | Vivo Y400 5G (8GB RAM + 256GB) | Vivo T4x 5G (8GB RAM + 256GB) | 
| General | ||
| Model | V2506 | V2437 | 
| 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 | 
| SAR | 0.99 W/kg (Head) 0.8 W/kg (Body)  | 0.99 W/kg (Head) 0.94 W/kg (Body)  | 
| Device Type | Smartphone | Smartphone | 
| Release Date | August 04, 2025 | March 05, 2025 | 
| In The Box | Handset, Quick Start Guide, USB Cable, Charger, Eject Tool, Phone Case, Protective Film (Applied), Warranty Card | Handset, Quick Start Guide, USB Cable, Charger, Eject Tool, Phone Case, Protective Film (Applied), Warranty Card | 
| Design | ||
| Dimensions | 75.31 x 162.29 x 7.9 mm | 76.3 x 165.7 x 8.09 mm | 
| Weight | 197 g | 204 g | 
| Bezel less | No | No | 
| Colors | Olive Green | Glam White | Marine Blue, Pronto Purple | 
| Display | ||
| Type | Color AMOLED Screen (1B Colors) | Color LCD Screen (16.7 M) | 
| Touch | Yes | Yes | 
| Size | 6.67 inches, 1080 x 2400 pixels, 120 Hz | 6.72 inches, 1080 x 2408 pixels, 120 Hz | 
| Aspect Ratio | 20:9 | 20:9 | 
| PPI | ~ 395 PPI | ~ 393 PPI | 
| Screen to Body Ratio | ~ 91.96% | ~ 83% | 
| Brightness | Local Peak Brightness: 1800 nits, Brightness HBM: 1200 nits | |
| Features | Color Gamut: P3 Wide Color Gamut | Screen Brightness: 1050 Nits HBM (High Brightness Mode), Color Gamut: 83% NTSC | 
| Notch | Yes, Punch Hole | Yes, Punch Hole | 
| Memory | ||
| RAM | 8 GB | 8 GB | 
| Expandable RAM | Upto 8 GB Extra Virtual RAM | Upto 8 GB Extra Virtual RAM | 
| Storage | 256 GB | 256 GB | 
| Storage Type | UFS 3.1 | |
| Card Slot | No | |
| Connectivity | ||
| GPRS | Yes | Yes | 
| EDGE | Yes | Yes | 
| 3G | Yes | Yes | 
| 4G | Yes | Yes | 
| 5G | Yes | Yes | 
| 5G Bands | n1/n3/n5/n8/n28B/n40/n77/n78 | n1/n3/n5/n8/n28B/n40/n77/n78 | 
| VoLTE | Yes | Yes, Dual Stand-By | 
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot | 
| Wifi Version | 2.4 GHz / 5 GHz | Supports (2.4 GHz | 5.0 GHz), WiFi 6 | 
| Bluetooth | Yes, v5.4 | 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 Tethering, USB on-the-go, USB Charging, USB Storage | 
| IR Blaster | Yes | |
| Performance | ||
| AnTuTu Score | 683,862 (Total) (v10) 198,203 (CPU) 146,819 (GPU) 185,400 (Memory) 153,440 (UX)  | |
| Geekbench Score | 2,831 (Multi Core) (v6) 1,029 (Single Core)  | |
| Extra | ||
| GPS | GPS, BeiDou, GLONASS, Galileo, QZSS | GPS, BEIDOU, GLONASS, GALILEO, QZSS | 
| Fingerprint Sensor | Yes, In Display | Yes, Side | 
| Face Unlock | Yes | Yes | 
| Sensors | Accelerometer, Ambient Light Sensor, Proximity Sensor, E-Compass, Gyroscope, Ordinary Motor | Accelerometer, Ambient Light Sensor, E-Compass, Proximity Sensor, Gyroscope | 
| AI Features | AI Transcript, AI Note Assist, Circle to Search | |
| Water Resistance | Yes | |
| Splash Resistant | Yes | |
| IP Rating | IP68&69 | IP64 | 
| Dust Resistant | Yes | Yes | 
| Extra Features | Hi-Res Audio Certification | LPDDR4X RAM, Military-Grade Certified Durability, AI Erase, AI Photo Enhance, Quad Curved Design, Ultra Game Mode, 2 Years of Android Updates and 3 Years Of Security Updates, Antutu Score: 728K+, Circle to Search | 
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Main) 2 MP ƒ/2.4 (Macro) Macro  | 50 MP ƒ/1.8 (Wide Angle) 2 MP ƒ/2.4 (Depth Sensor)  | 
| OIS | Yes | |
| Auto Focus | Yes | Yes | 
| Features | Night, Portrait, Photo, Video, 50 MP, Pano, Documents, Slo-mo, Time-lapse, Pro, Dual View, Live Photo, Underwater Photography | Night, Portrait, Photo, Video, 50MP, Pano, Documents, Slo-Mo, Timelapse, Pro, Live Photo | 
| Video Recording | 4K, 1080p | 1080p @ 30 fps FHD, 4K @ 30 fps UHD | 
| Flash | Yes, LED | Yes, LED | 
| Front Camera | 32 MP (Wide Angle) Punch Hole  | 8 MP ƒ/2.05 (Wide Angle) Punch Hole  | 
| Front Video Recording | 1080p | 1080p | 
| Technical | ||
| OS | Android v15 | Android v15 | 
| Custom UI | Funtouch OS 15 | Funtouch OS 15 | 
| Chipset | Qualcomm Snapdragon 4 Gen2 | Mediatek Dimensity 7300 | 
| CPU | 2.2 GHz, Octa Core Processor | 2.5 GHz, Octa Core Processor | 
| Core Details | 2x Performance Cores@2.2GHz & 6x Efficiency Cores@2GHz | 4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55 | 
| GPU | Adreno | Adreno GPU | 
| Java | No | No | 
| Browser | Yes | Yes | 
| Multimedia | ||
| Yes | Yes | |
| Music | AAC, WAV, MP3, MP2, MP1, MIDI, Vorbis, APE, FLAC, OPUS | WAV, MP3, MP2, MP1, MIDI, Vorbis, APE, FLAC, AAC, OPUS | 
| Video | MP4, 3GP, AVI, TS, MKV, FLV | MP4, 3GP, MKV, FLV | 
| FM Radio | No | No | 
| Speaker Type | Dual Stereo | |
| Document Reader | Yes | Yes | 
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery | 
| Size | 6000 mAh, Li-ion Battery | 6500 mAh, Li-ion Battery | 
| Fast Charging | Yes, 90W Fast Charging | Yes, 44W | 
| Reverse Charging | Yes | |