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For the India-market 8GB+256GB listings, vivo showed the Y300 5G at ₹28,999 and the Y400 5G at ₹34,999—a captured price difference of ₹6,000. The Y400 listing showed out of stock, so that figure is a comparison of displayed official-store prices, not a guarantee that it can be purchased at that price. Both phones list the same Snapdragon 4 Gen 2 processor and 6.67-inch 120Hz AMOLED display; the Y400’s main listed advantages are its larger battery, higher charging rating, stronger ingress ratings, newer software and UFS 3.1 storage. This comparison covers vivo India’s Y300 5G and Y400 5G, not similarly named models in every market.

vivo Y300 vs vivo Y400 specs at a glance

The specifications below are those listed on vivo India’s product pages. Prices and availability come from the corresponding vivo India store listings and can change.

Specification vivo Y300 5G (India) vivo Y400 5G (India)
Processor Snapdragon 4 Gen 2, 4nm Snapdragon 4 Gen 2, 4nm
OS on product listing Funtouch OS 14, Android 14 Funtouch OS 15, Android 15
Memory and storage options 8GB+128GB or 8GB+256GB; LPDDR4X RAM; UFS 2.2 storage 8GB+128GB or 8GB+256GB; LPDDR4X RAM; UFS 3.1 storage
Battery and charging 5,000mAh typical capacity; 80W charging 6,000mAh typical capacity; 90W charging
Display 6.67-inch AMOLED; 2400×1080; 120Hz 6.67-inch AMOLED; 2400×1080; up to 120Hz
Cameras 50MP rear + 2MP rear; 32MP front 50MP rear + 2MP rear; 32MP front; store page identifies a Sony IMX852 main camera
Ingress protection listed IP64 IP68 and IP69
Displayed price for 8GB+256GB ₹28,999 (vivo India store listing) ₹34,999 (vivo India store listing)
Availability in captured store listing Unavailable Out of stock

Sources: vivo Y300 5G India specifications, vivo Y400 5G India specifications, vivo Y300 India store listing and vivo Y400 India store listing.

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How much more does the vivo Y400 cost?

For the same 8GB+256GB configuration, the captured official India listings show ₹34,999 for the Y400 and ₹28,999 for the Y300, a ₹6,000 difference. The Y400 listing showed out of stock, while the Y300 listing was marked unavailable. Treat both figures as changeable store observations, not a promise of current stock or final checkout pricing. Check vivo’s store for the latest price and availability before buying.

#1 Best Overall
BoxWave Cable Compatible with vivo Y400 4G - DirectSync PD Cable (3ft) - USB-C to USB-C (100W), Type C Braided Charge and Fast Sync - Jet Black
  • 🔋 [100 Watt PD] BoxWave Cable Compatible With vivo Y400 4G. Capable of shuttling up to 100 WATTS of PD Power, the DirectSync PD Cable is the cable you need to charge your device and other high powered devices, including Laptops! The DirectSync PD Cable is rated to handle the bandwidth and rate at which your device requires! ⭐ *** PLEASE NOTE, Y400 4G DEVICE NOT INCLUDED ***
  • 🔗 [Braided Cable] Made with the 100cm / 3 feet of HIGH GRADE NYLON materials, the DirectSync PD Cable can handle even the harshest environments. This cable is strong but flexible to accommodate your charging needs in any situation.
  • 💪 [Strain Relief] The DirectSync PD Cable is equipped with durable, RUBBERIZED GROMMET strain reliefs on BOTH connectors to prevent cable fraying and eliminate connection issue
  • 🏃 [High Speed Data Transfers] Plug the DirectSync PD Cable into your computer for LIGHTNING FAST data transfers WHILE charging your device!
  • 🎖 [Easy to Use] Simply plug in the USB Type-C Connector to your charger, and the other end into your device to begin charging!

The Y400 also launched in other markets at different prices. For example, vivo Indonesia’s August 4, 2025 announcement gave historical pre-order prices of Rp3,199,000 for 8GB+128GB and Rp3,499,000 for 8GB+256GB. Those Indonesian launch prices use a different currency, market and date, so they are not directly comparable with the India listings. See vivo Indonesia’s Y400 launch announcement.

What does the Y400 improve over the Y300?

Battery capacity and charging rating

vivo lists a typical 6,000mAh battery and 90W charging for the Y400, versus a typical 5,000mAh battery and 80W charging for the Y300. Those figures describe rated capacity and charging support; they do not establish how long either phone lasts in everyday use or how many minutes a full charge takes. Actual results depend on use and charging conditions.

Rank #2
BoxWave Cable Compatible with vivo Y400 Pro - DirectSync PD Cable (3ft) - USB-C to USB-C (100W), Type C Braided Charge and Fast Sync - Jet Black
  • 🔋 [100 Watt PD] BoxWave Cable Compatible With vivo Y400 Pro. Capable of shuttling up to 100 WATTS of PD Power, the DirectSync PD Cable is the cable you need to charge your device and other high powered devices, including Laptops! The DirectSync PD Cable is rated to handle the bandwidth and rate at which your device requires! ⭐ *** PLEASE NOTE, Y400 PRO DEVICE NOT INCLUDED ***
  • 🔗 [Braided Cable] Made with the 100cm / 3 feet of HIGH GRADE NYLON materials, the DirectSync PD Cable can handle even the harshest environments. This cable is strong but flexible to accommodate your charging needs in any situation.
  • 💪 [Strain Relief] The DirectSync PD Cable is equipped with durable, RUBBERIZED GROMMET strain reliefs on BOTH connectors to prevent cable fraying and eliminate connection issue
  • 🏃 [High Speed Data Transfers] Plug the DirectSync PD Cable into your computer for LIGHTNING FAST data transfers WHILE charging your device!
  • 🎖 [Easy to Use] Simply plug in the USB Type-C Connector to your charger, and the other end into your device to begin charging!

Ingress protection

The Y300 is listed as IP64, while the Y400 is listed as IP68 and IP69. These are manufacturer-stated ingress-protection ratings, not a guarantee that a phone cannot be damaged by water or dust. They should not be read as permission for deliberate immersion or exposure beyond the product’s specified conditions.

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Storage standard and software

Both models list LPDDR4X memory, but the Y300 uses UFS 2.2 storage and the Y400 UFS 3.1. The product pages do not quantify how much faster the newer storage standard makes the Y400 in real-world use, so the difference is a specification rather than a measured performance result.

Rank #3
BoxWave Stand and Mount Compatible with vivo Y400 - Desktop Aluminum SoloStand, Adjustable Hands-Free Portable with Rubber Feet - Jet Black
  • 🙌 [HANDS-FREE VIEWING] BoxWave Stand and Mount Compatible With vivo Y400. Keep your device at the perfect angle for video calls, streaming, or browsing. Free up your hands! 💬 Includes limited 3rd party tech support for your device (up to 3 inquiries via messaging) - not affiliated with or endorsed by vivo ⭐ *** PLEASE NOTE, Y400 DEVICE NOT INCLUDED ***
  • 🎖 [PREMIUM DESIGN] Crafted from high-quality aluminum materials, the Desktop Aluminum SoloStand offers a sleek, MINIMALISTIC aesthetic that complements any workspace. Its sturdy construction ensures long-lasting durability while maintaining a lightweight form for easy handling.
  • 🎛 [ADJUSTABLE] Designed for VERSATILITY, the Desktop Aluminum SoloStand features an adjustable width, allowing you to seamlessly switch between landscape and portrait orientations. It also collapses into a compact form, making it highly portable and easy to store when not in use - perfect for processionals on the go.
  • 🗜 [SECURE POSITIONING] The precision-engineered tight adjuster mechanism ensures the stand stays FIRMLY in place once set, eliminating unwanted shifts or wobbles. It holds your device at the perfect angle until you choose to readjust, providing stability for extended use.
  • 👟 [NON-SLIP BASE] The stand's rubberized feet create a strong grip on any surface, preventing accidental sliding or shifting. This ensures a STABLE and secure setup, whether placed on a desk, table, or any smooth surface.

The product listings also show Funtouch OS 14 with Android 14 for the Y300 and Funtouch OS 15 with Android 15 for the Y400. These are the versions stated on the pages, not a guarantee of what version a particular unit will run after updates or at the time of purchase.

What is the same on both phones?

Processor and display

Both India models list the Snapdragon 4 Gen 2 4nm processor and a 6.67-inch AMOLED panel with 2400×1080 resolution and a 120Hz refresh rate (the Y400 page says up to 120Hz). That makes those headline specifications a poor reason on their own to pay more for the Y400; the more visible listed differences are elsewhere.

Rank #4
Phone Case Compatible with VIVO Y400 Global, Durable Shockproof Anti-dust Cartoon Phone Pouch Anti-Knock TPU Dirt-Resistant Full wrap Cute
  • 【Top Design】100% Brand New, made of new green materials. The design of the phone case pattern is novel and has multiple options.We analysis and choose the Top Designs of our studios for our Amazon Clients.
  • 【Protective】Soft TPU and Full Covers with all buttons brings more protection. The cameracutout protrudes 1.0mm so it can prevent your lens from scratching.
  • 【Fitting】Every pierce and button cover are perfectly match (Earphone, MIC, etc). Tightlyattaching with phone creates original touch feeling.
  • 【 Strong heat dissipation 】The product is made of high-quality UV painting+TPU. The phone case is lightweight and has strong heat dissipation.
  • 【 Anti drop+dustproof 】The full coverage and TPU softness of the phone case provide excellent protection for the phone, achieving the goal of anti drop and dustproof.

Camera configuration

Each phone lists a 50MP and 2MP rear-camera combination plus a 32MP front camera. The Y400 store page names a Sony IMX852 main sensor. Megapixels and sensor branding alone do not establish which phone takes better photos, and the listed specifications do not provide a camera-quality comparison.

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Which one should you choose?

Choose the Y300 if

  • You want the lower displayed India-store price for the 8GB+256GB configuration and can confirm current stock and checkout pricing.
  • The shared listed processor and display meet your needs, and the Y400’s higher battery capacity, charging rating, ingress ratings, storage standard and OS version do not justify the displayed premium for you.

Consider the Y400 if

  • You value the listed 6,000mAh battery, 90W charging, IP68/IP69 ratings, UFS 3.1 storage and newer listed OS version enough to consider paying more.
  • You can find it in stock at a price that makes sense locally; the captured vivo India listing was out of stock.

This is a comparison of listed specifications and store prices, not a hands-on or benchmark-based verdict. Both vivo India store listings say a phone case and applied protective film are included in the box, so a separate case or screen protector may be optional; check the exact model’s included accessories and compatibility before purchasing extras.

Best Value
Phone Case Compatible with VIVO Y400 Global, Cute Anti-Knock Full wrap Phone Protector Dirt-Resistant Shockproof Soft case TPU Design
  • 【Top Design】100% Brand New, made of new green materials. The design of the phone case pattern is novel and has multiple options.We analysis and choose the Top Designs of our studios for our Amazon Clients.
  • 【Protective】Soft TPU and Full Covers with all buttons brings more protection. The cameracutout protrudes 1.0mm so it can prevent your lens from scratching.
  • 【Fitting】Every pierce and button cover are perfectly match (Earphone, MIC, etc). Tightlyattaching with phone creates original touch feeling.
  • 【 Strong heat dissipation 】The product is made of high-quality UV painting+TPU. The phone case is lightweight and has strong heat dissipation.
  • 【 Anti drop+dustproof 】The full coverage and TPU softness of the phone case provide excellent protection for the phone, achieving the goal of anti drop and dustproof.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.