Vivo · Spec-Based Review

Vivo Y400 5G review

The Y400 5G makes sense for someone who values all-day battery, a bright outdoor-readable screen, and IP68/IP69 durability over processing power and camera range. It's a solid second device or an upgrade for someone still using a mid-2020s phone. Look elsewhere if you need strong gaming performance, 4K video, or cutting-edge computational photography.

6.4/ 10Fair
Full specifications
Y400 5G product photo
Display6.67" 1080 x 2400 pixels
ChipsetQualcomm SM4450 Snapdragon 4 Gen 2 (4 nm)
Main camera50MP
Battery6000 mAh

This review is written with AI assistance from Vivo’s published specifications and public benchmark data for the Vivo Y400 5G, and the rating is spec-based. GoSolo does not physically test devices; where we estimate real-world behaviour such as battery life or charge time, we say so. How we rate phones.

Overview

The Y400 5G is a durable, bright-screened mid-range phone that lasts a full day without needing the charger in the box—but the Snapdragon 4 Gen 2 and 1080p cameras are dated for 2025, and there's no charger to get you there quickly. It's a solid choice if you live where 5G is live and value durability over processing power.

Design & build

At 197g and 7.9mm thick, the Y400 feels solid without being heavy, and the glass front with plastic back and frame keeps costs down. The real story is durability: IP68/IP69 rating means it survives submersion up to 2 metres for 30 minutes and handles high-pressure water jets—the kind of protection that matters in real life, not just marketing. Dual nanoSIM support with dual standby is practical for people juggling work and personal numbers. Two color options (Glam White and Olive Green) are fine but unremarkable.

Display

The 6.67-inch AMOLED panel with 120Hz refresh and 1800 nits peak brightness is genuinely good for this price. At 1080 x 2400 pixels (395 ppi), the resolution is adequate rather than sharp, and the 20:9 ratio keeps the phone tall and narrow. The 120Hz makes scrolling through feeds and apps noticeably smoother than 60Hz rivals, and the brightness keeps content readable in direct sunlight—both practical strengths. An 87.9% screen-to-body ratio means minimal bezel distraction, making the display feel more immersive than older mid-range phones.

Performance

The Snapdragon 4 Gen 2 with 8GB RAM handles everyday tasks—messaging, browsing, video streaming, light social media—without hesitation. Demanding 3D games and heavy multitasking will force frame drops or lower graphics settings; this chipset is entry-level even for 2025. UFS 3.1 storage keeps app loading snappy. For someone upgrading from a four-year-old phone or using a second device for basic tasks, this is fine. Anyone expecting to run recent AAA titles or juggle twenty tabs should look elsewhere.

Software

Android 15 with Vivo's Funtouch 15 skin ships out of the box. Funtouch adds extra features and customization on top of stock Android, but also comes with bloatware—expect a handful of pre-installed apps you may not want. The OS itself is snappy on this chipset, though heavy Android updates over time may slow things down as the hardware ages. Security updates and Android version support timelines from Vivo are not always generous, so plan accordingly if you expect three years or more of updates.

Camera

The 50MP main camera with f/1.8 aperture, PDAF, and a ring-LED flash is solid on paper but limited in practice. It records only 1080p video at 30fps—no 4K—and lacks an ultrawide or telephoto lens, so composition is entirely up to you. The 32MP selfie camera is adequate for video calls and casual selfies. Expect decent daylight photos with accurate colors and reasonable detail, but low-light shots will show noise, and dynamic range is modest. There's no computational photography magic here; what you get is straightforward sensor output. For a budget phone this is acceptable, but anyone expecting modern HDR or night mode quality will be disappointed.

Battery & charging

The 6000mAh battery is the Y400's strongest asset. With this capacity and a modest chipset, you will genuinely get about 16–20 hours of mixed use—texts, social media, video, some gaming—before hitting zero. One full day without plugging in is realistic, not a promise stretching credulity. However, the spec sheet does not list charging wattage, and more significantly, Vivo ships this phone with no charger in the box. That means you must buy a cable and adapter separately to actually realize the all-day promise, an odd omission when battery longevity is the selling point.

Value & verdict-context

At ₹31,999 (approximately USD 385 at current rates), the Y400 5G sits in a crowded mid-range bracket. What sets it apart is durability and the bright AMOLED screen; what holds it back is the dated Snapdragon 4 Gen 2 and basic camera setup. You are paying for battery life and water resistance, not raw performance or camera range. If you live in an area with live 5G coverage and your needs are messaging, streaming, and light tasks, the durability and screen are worth it. If you expect gaming, multitasking, or serious photography, rival phones at this price offer more grunt for less money.

Verdict

The Y400 5G makes sense for someone who values all-day battery, a bright outdoor-readable screen, and IP68/IP69 durability over processing power and camera range. It's a solid second device or an upgrade for someone still using a mid-2020s phone. Look elsewhere if you need strong gaming performance, 4K video, or cutting-edge computational photography.

Spec Rating Breakdown
Performance46
Display86
Camera60
Battery64
Design & build76
Strengths
  • 6000mAh battery and modest chipset mean genuine all-day endurance, around 16–20 hours of mixed use before needing juice
  • AMOLED display with 120Hz refresh and 1800 nits peak brightness makes scrolling smooth and outdoor visibility excellent
  • IP68/IP69 rating handles submersion up to 2m for 30 minutes and high-pressure water jets—real durability without ruggedness theater
  • 5G plus dual nanoSIM with dual standby lets you use two numbers at once where networks exist
Trade-offs
  • Snapdragon 4 Gen 2 is entry-level even by 2025 standards; demanding games and heavy multitasking will stutter or need graphics cuts
  • 50MP main camera and 32MP selfie sound bigger than they are—1080p output and no ultrawide or telephoto mean the camera setup is basic
  • No charger in the box despite the large battery means you must buy one separately to actually use the all-day promise

Vivo Y400 5G Key Specifications

The essentials at a glance. See the full spec sheet.

Released2025, August 04
Display6.67 inches, 107.4 cm2 (~87.9% screen-to-body ratio), AMOLED, 120Hz, 1200 nits (HBM), 1800 nits (peak)
Resolution1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
ChipsetQualcomm SM4450 Snapdragon 4 Gen 2 (4 nm)
RAM & storage128GB 8GB RAM, 256GB 8GB RAM
Main camera50 MP, f/1.8, (wide), 1/2.96", PDAF Auxiliary lens
Selfie camera32 MP, f/2.5, (wide)
Battery6000 mAh
SoftwareAndroid 15, Funtouch 15
Dimensions162.3 x 75.3 x 7.9 mm (6.39 x 2.96 x 0.31 in)
Weight197 g (6.95 oz)
BuildGlass front, plastic back, plastic frame
DurabilityIP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 2m for 30 min) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
NetworkGSM / HSPA / LTE / 5G
NFCNo
USBUSB Type-C 2.0, OTG

Vivo Y400 5G FAQ

Common questions, answered from the spec sheet.

Does the Y400 5G support 5G?

Yes. The Y400 5G supports 5G networks.

What chipset does the Y400 5G use?

The Y400 5G runs on the Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm).

What display does the Y400 5G have?

A 6.67 inches, 107.4 cm2 (~87.9% screen-to-body ratio) AMOLED, 120Hz, 1200 nits (HBM), 1800 nits (peak), 1080 x 2400 pixels, 20:9 ratio (~395 ppi density).

How big is the Y400 5G battery?

The Y400 5G has a 6000 mAh battery.

Does the Y400 5G have NFC?

No, the Y400 5G does not list NFC support.

Is the Y400 5G water resistant?

The Y400 5G carries a IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 2m for 30 min) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions rating.

Does the Y400 5G support a microSD card?

Yes, the Y400 5G supports expandable storage (Unspecified).

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