Both Infinix Note 40X 5G (12GB RAM +256GB) and Vivo T4 Ultra (12GB RAM+ 512GB) comes with same RAM. In terms of display resolution, Vivo T4 Ultra (12GB RAM+ 512GB) has better resolution of 2800 x 1260 than Infinix Note 40X 5G (12GB RAM +256GB) which has resolution of 2406 x 1080. Vivo T4 Ultra (12GB RAM+ 512GB) has more internal memory than Infinix Note 40X 5G (12GB RAM +256GB)
| Name | Infinix Note 40X 5G (12GB RAM +256GB) | Vivo T4 Ultra (12GB RAM+ 512GB) | 
| RAM | 12 GB | 12 GB | 
|---|---|---|
| Display | 6.78 in | 6.67 in | 
| Internal Memory | 256 GB | 512 GB | 
| Battery | 5000 mAh | 5500 mAh | 
| Camera | 108 MP + 2 MP Triple | 50 MP + 50 MP + 8 MP Triple | 
| Price | Rs. 15999 | Rs. 39999 | 
The launch Date of the first phone is August 05, 2024. The cost of Infinix Note 40X 5G (12GB RAM +256GB) is Rs. 15999. The launch Date of the second phone is June 11, 2025. The cost of Vivo T4 Ultra (12GB RAM+ 512GB) is Rs. 39999.
Vivo T4 Ultra (12GB RAM+ 512GB) has screen size of 6.67 inches which falls short to Infinix Note 40X 5G (12GB RAM +256GB)'s 6.78 inch screen. Infinix Note 40X 5G (12GB RAM +256GB) has IPS LCD Screen type where as Vivo T4 Ultra (12GB RAM+ 512GB) has AMOLED Screen type. Vivo's phone has display density of 460 PPI & Infinix's phone has only 389 PPI display density. In terms of screen to body ratio, Infinix's phone has better screen to body ratio of ~ 93.8% than Vivo's phone ~ 89.2%.
Both mobiles come with 12 GB RAM Vivo T4 Ultra (12GB RAM+ 512GB) has more Internal Memory (512 GB) than Infinix Note 40X 5G (12GB RAM +256GB) (256 GB).
Infinix Note 40X 5G (12GB RAM +256GB)'s 108 MP + 2 MP Triple Rear Camera outclasses Vivo T4 Ultra (12GB RAM+ 512GB)'s 50 MP + 50 MP + 8 MP Triple Rear Camera in terms of resolution. Vivo T4 Ultra (12GB RAM+ 512GB) will be better choice if you're looking to click lot of selfies as it has better 32 MP Front Camera in comparison to Infinix Note 40X 5G (12GB RAM +256GB)'s 8 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 14 and the second one on 15 version.
| Name | Infinix Note 40X 5G (12GB RAM +256GB) | Vivo T4 Ultra (12GB RAM+ 512GB) | 
| General | ||
| Country of Origin | India | India | 
| Model | Note 40 5G | V2504 | 
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) | 
| Dual Sim | Yes | Yes | 
| Sim Size | Nano+Nano SIM | Nano SIM | 
| SAR | 0.99 W/kg (Head) 0.99 W/kg (Body)  | |
| Device Type | Smartphone | Smartphone | 
| Release Date | August 05, 2024 | June 11, 2025 | 
| In The Box | Handset, Adaptor, USB Type C Cable, TPU Case, Stickers, Sim Ejector Pin, Quick Start Guide, Warranty Card, Xclub Card | Handset, Eject Tool, Warranty Card, Quick Start Guide, Phone Case, Charger, USB Cable | 
| Design | ||
| Dimensions | 76.49 x 168.94 x 8.26 mm | 75.02 x 160.6 x 7.45 mm | 
| Weight | 201 g | 192 g | 
| Bezel less | No | Yes | 
| Colors | Obsidian Black, Titan Gold | Phoenix Gold, Meteor Grey | 
| Display | ||
| Type | Color IPS LCD Screen (1B Colors) | Color AMOLED Screen (1.07 Billion) | 
| Touch | Yes | Yes, 300 Hz Touch Sampling Rate | 
| Size | 6.78 inches, 1080 x 2406 pixels, 120 Hz | 6.67 inches, 1260 x 2800 pixels, 120 Hz | 
| Aspect Ratio | 20:9 | |
| PPI | ~ 389 PPI | ~ 460 PPI | 
| Screen to Body Ratio | ~ 93.8% | ~ 89.2% | 
| Brightness | 1600 nits HBM (High Brightness Mode), 5000nits High Brightness Display | |
| Features | 100% Wide Color Gamut, 500nits Brightness, Dynamic Bar | P3 Wide Color Gamut Supported, Display HDR Technology Supported | 
| Notch | Yes, Punch Hole | Yes, Punch Hole | 
| Curved Display | Yes | |
| Memory | ||
| RAM | 12 GB | 12 GB | 
| RAM Type | LPDDR5 | |
| Expandable RAM | Upto 12 GB Extra Virtual RAM | Upto 12 GB Extra Virtual RAM | 
| Storage | 256 GB | 512 GB | 
| Storage Type | UFS 2.2 | UFS 3.1 | 
| Card Slot | Yes, upto 1 TB | No | 
| Connectivity | ||
| GPRS | Yes | Yes | 
| EDGE | Yes | Yes | 
| 3G | Yes | Yes | 
| 4G | Yes | Yes | 
| 5G | Yes | Yes | 
| 5G Bands | n1/n3/n5/n8/n28/n38/n40/n41/n77/n78 | n1/n3/n5/n7/n8/n18/n26/n28F/n38/n40/n41/n48/n66/n77/n78 | 
| VoLTE | Yes | Yes, Dual Stand-By | 
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot | 
| Wifi Version | 802.11 (a/b/g/n/ac) | 2.4 GHz/5 GHz, WiFi 6 Supported | 
| Bluetooth | Yes, v5.2 | Yes, v5.4, A2DP, LE, aptX HD | 
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 | 
| USB Features | USB Tethering, USB on-the-go, USB Charging, USB Storage | USB Tethering, USB on-the-go, USB Charging, USB Storage | 
| IR Blaster | No | |
| Performance | ||
| AnTuTu Score | 1,854,128 (Total) (v10) 454,698 (CPU) 733,034 (GPU) 320,746 (Memory) 345,650 (UX)  | |
| AnTuTu Storage Score | 153,416 | |
| Geekbench Score | 6,985 (Multi Core) (v6) 2,212 (Single Core) 14,440 (OpenCL) 15,067 (Vulkan)  | |
| Extra | ||
| GPS | Yes | GPS, BeiDou, GLONASS, Galileo, QZSS, NavIC | 
| Fingerprint Sensor | Yes, Side | Yes, In Display | 
| Face Unlock | Yes | Yes | 
| Sensors | G Sensor, E-Compass, Gyroscope (Software), Light Sensor, Proximity Sensor, Side Mounted Fingerprint Sensor | Accelerometer, Color Temperature Sensor, Ambient Light Sensor, Proximity Sensor, E-compass, Gyroscope | 
| 3.5mm Headphone Jack | Yes | No | 
| NFC | Yes | Yes | 
| AI Features | AI Note Assist: Smart layout: Summarize: Extract to-dos: Translate Circle to Search: Search any image, video, or text on your screen. Circle, highlight, scribble, or tap to pinpoint | |
| Splash Resistant | Yes | |
| IP Rating | IP52 | IP64 | 
| Dust Resistant | Yes | Yes | 
| Extra Features | Dual Speakers | |
| Camera | ||
| Rear Camera | 108 MP ƒ/1.8 (Wide Angle) AI Lens 2 MP  | 50 MP ƒ/1.9 (Wide Angle) 23mm (wide), 1/1.56", PDAF, OIS 50 MP ƒ/2.6 (Telephoto) 85mm (periscope telephoto), 1/1.95", 0.8µm, PDAF (15cm - ∞), OIS, 3x optical zoom 8 MP ƒ/2.2 (Ultra Wide)  | 
| Camera Sensor | Sony IMX 921 + Sony IMX882 3x Periscope | |
| OIS | Yes | |
| Auto Focus | Yes | Yes | 
| Features | AI Lens, Camera Features: Film, Video, AI Cam, Portrait, Super Night, AR Shot, Short Video, Pro, Slow Motion, Dual Video, Panorama, Super Macro, Documents, Timelapse, Sky Shop | High Resolution, Pano, Ultra HD Document, Slo-mo, Time-lapse, Supermoon, Astro, Pro, Snapshot, Food, Night, Portrait, Photo, Video, Live Photo, Dual View | 
| Video Recording | 1440p @ 30 fps QHD, 1080p @ 30 fps FHD | 4K, 1080p | 
| Flash | Yes, Quad LED | Yes, LED | 
| Front Camera | 8 MP ƒ/2.2 (Wide Angle) Punch Hole, Dual LED Flash  | 32 MP ƒ/2.45 (Wide Angle) Punch Hole  | 
| Front Video Recording | 1080p @ 30 fps FHD | undefined | 
| Technical | ||
| OS | Android v14 | Android v15 | 
| Custom UI | XOS 14 | Funtouch OS 15 | 
| Chipset | Mediatek Dimensity 6300 | Mediatek Dimensity 9300 Plus | 
| CPU | 2.4 GHz, Octa Core Processor | 3.25 GHz, Octa Core Processor | 
| Core Details | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz | 4xArm Cortex-X4@3.25GHz & 4xCortex-A720@2.0GHz | 
| GPU | Mali-G57 MC2 | Immortalis-G720 MC12 | 
| Java | No | No | 
| Browser | Yes | Yes | 
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | AAC, WAV, MP3, MIDI, VORBIS, APE, FLAC | 
| Video | Yes | MP4, 3GP, AVI, FLV, MKV, WEBM, TS, ASF | 
| FM Radio | Yes | No | 
| Document Reader | Yes | Yes | 
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery | 
| Size | 5000 mAh | 5500 mAh, Li-ion Battery | 
| Fast Charging | Yes, 18W Fast Charge | Yes, 90W Fast Charging | 
| Reverse Charging | Yes | Yes | 
| Talk Time | 16 hours | |
| Video Playback Time | 15 hours | |
| Music Playback Time | 90 hours | |