Vivo Y400 vs Realme P4: Which 5G Fits You?

The Vivo Y400 and Realme P4 are both budget 5G smartphones, but they target different priorities: the Y400 leans toward battery endurance and a cleaner camera experience, while the P4 emphasizes display smoothness and faster charging. If you want the longest screen-on time and a more compact feel, the Y400 wins; if you prefer a 120Hz screen and quicker top-ups, the P4 is the better pick.

Background: Where These Phones Sit

Both phones were announced for the entry-level 5G segment, aiming to bring next-gen connectivity to buyers who previously had to settle for 4G. The Vivo Y400 continues Vivo’s tradition of focusing on selfie cameras and long battery life, while the Realme P4 carries Realme’s reputation for aggressive performance-per-dollar and display specs. Neither is a flagship; they compete with other budget 5G devices like the Redmi 13C 5G and the Samsung Galaxy A15 5G.

Key Specs at a Glance

• Display: Y400 – 6.67-inch LCD, 90Hz; P4 – 6.67-inch LCD, 120Hz
• Processor: Y400 – MediaTek Dimensity 6100+; P4 – MediaTek Dimensity 6300
• Battery: Y400 – 5000 mAh, 15W charging; P4 – 5000 mAh, 45W charging
• Cameras: Y400 – 50MP main + 2MP depth, 8MP front; P4 – 50MP main + 2MP depth, 8MP front
• Software: Y400 – Android 14 with Funtouch OS 14; P4 – Android 14 with Realme UI 5.0

How the 5G Experience Differs

Both phones support standard sub-6GHz 5G bands, which covers most carrier networks in regions like India and Southeast Asia. The Dimensity 6100+ and 6300 are both capable of smooth 5G browsing and streaming, but the 6300 in the P4 has a slightly higher clock speed, so app loading and multitasking feel marginally snappier. In real-world use, you’ll notice the difference only in heavy gaming or when switching between many apps.

Choosing Based on Your Priorities

Ask yourself what you value most in a daily driver:

• Battery life: The Y400’s 90Hz screen consumes less power than the P4’s 120Hz panel, so the same 5000 mAh battery lasts noticeably longer on the Y400. If you’re often away from a charger for 12+ hours, the Y400 is safer.
• Charging speed: The P4’s 45W charger fills the battery from 0 to 50% in about 25 minutes, while the Y400’s 15W charger takes over an hour for the same. If you top up during the day, the P4 is far more convenient.
• Display smoothness: The P4’s 120Hz refresh rate makes scrolling and animations feel fluid, especially when browsing social media or reading articles. The Y400’s 90Hz is still decent but not as silky.
• Camera simplicity: Both have the same 50MP main sensor, but Vivo’s image processing tends to produce more vibrant colors and better low-light selfies. If photography is a priority, the Y400 has a slight edge.
• Software updates: Vivo and Realme both promise two years of OS updates and three years of security patches, so this is a tie.

Common Problems and How to Avoid Them

Owners of both phones report a few recurring issues:

• Battery drain on the P4: The 120Hz display can reduce battery life by 10-15% compared to the Y400. Fix: switch to 60Hz in settings when you don’t need smoothness.
• Slow charging on the Y400: The 15W charger is genuinely slow by 2025 standards. Fix: buy a 20W or higher PD charger (the Y400 supports up to 15W, so it won’t charge faster, but you can at least use a more reliable charger).
• Bloatware: Both phones come with pre-installed apps. Fix: uninstall or disable what you don’t use in settings.
• 5G connectivity drops: Some users on certain carriers report unstable 5G. Fix: toggle airplane mode, or manually select the network in settings.

Cost and Value Considerations

Prices vary by region and retailer, but generally the Y400 is priced slightly lower than the P4. The P4’s faster charging and 120Hz display justify the extra cost if those matter to you. However, if you’re on a strict budget, the Y400 offers nearly identical performance and better battery life for less money. Check local offers and exchange deals, as both brands frequently run promotions.

Alternatives to Consider

If neither phone perfectly fits, look at these:

• Redmi 13C 5G: Similar specs, often cheaper, but with a 90Hz display and 18W charging.
• Samsung Galaxy A15 5G: Better build quality and AMOLED display, but pricier and slower charging.
• Motorola Moto G54 5G: Clean software and a 6000 mAh battery, but a weaker camera.

Frequently Asked Questions

Which phone has a better processor?

The Realme P4’s Dimensity 6300 is slightly faster than the Y400’s Dimensity 6100+, but the difference is small. In daily tasks, you won’t notice it; in heavy gaming, the P4 might maintain a few extra frames per second.

Can I use a 45W charger on the Vivo Y400?

No, the Y400 only supports up to 15W charging. Using a higher-watt charger won’t damage the phone, but it will still charge at 15W, so there’s no benefit.

Does the Realme P4 have a headphone jack?

Yes, both phones retain a 3.5mm headphone jack, which is a plus for wired audio users.

Which phone gets better battery life?

The Vivo Y400, because its 90Hz screen draws less power than the P4’s 120Hz panel. With the same 5000 mAh battery, the Y400 typically lasts 1-2 hours longer on a full charge.

Are both phones water-resistant?

Neither has an official IP rating, so they are not designed to withstand submersion. Avoid exposing them to heavy rain or splashes.

Which phone is better for gaming?

The Realme P4 is slightly better due to the faster processor and 120Hz display, which reduces motion blur. However, both are entry-level, so expect to play games at medium settings for smooth performance.

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