Honor 400 Lite VS Vivo Y400 4G

Both phones share a similarly slim and standard-slab form factor — neither is foldable nor rugged-rated — but they diverge meaningfully in two areas: build weight and water protection. The Honor 400 Lite is noticeably lighter at 171 g versus the Vivo Y400 4G's 198 g, a 27 g difference that may sound small on paper but is perceptible during extended one-handed use or long calls. The Honor is also slimmer at 7.3 mm compared to the Vivo's 7.9 mm, reinforcing a more pocketable, ergonomic profile overall.

Where the Vivo Y400 4G pulls decisively ahead is water protection. It carries an IP68 rating, meaning it is rated for full submersion in water — a genuine safety net for accidental drops in sinks, puddles, or rain. The Honor 400 Lite, by contrast, holds an IP64 rating, which covers dust ingress and splash resistance but offers no protection against submersion. In practice, IP68 is a materially stronger guarantee for everyday accident-proofing.

In summary, the Honor 400 Lite has the clear edge in comfort and portability thanks to its lighter weight and thinner chassis, while the Vivo Y400 4G holds a significant advantage in durability with its superior IP68 water resistance. Which trade-off matters more depends on the user: those who prioritize a lighter feel will prefer the Honor, while users who want stronger protection against water exposure will find the Vivo the more resilient choice.

On paper, these two displays are remarkably alike — both use OLED/AMOLED panels, both run at 120Hz, both land at essentially the same pixel density (~394–395 ppi) and resolution, and both offer an Always-On Display. For everyday use — scrolling, streaming, gaming — the experience these screens deliver will feel nearly indistinguishable in most conditions.

The story changes, however, when you look at brightness. The Honor 400 Lite peaks at a striking 3500 nits, compared to the Vivo Y400 4G's 1200 nits. In real-world terms, this gap is substantial: outdoor visibility on a bright sunny day will be dramatically better on the Honor, where glare becomes a much smaller obstacle. The Vivo's 1200 nits is still a respectable figure for indoor and shaded use, but it simply cannot match the Honor in direct sunlight. Offsetting this, the Vivo Y400 4G supports HDR10, meaning compatible streaming content (Netflix, YouTube) will render with wider contrast and color range — something the Honor 400 Lite lacks entirely.

Overall, the Honor 400 Lite holds the stronger display advantage for most users, primarily because its vastly superior peak brightness has a tangible, daily impact on usability. The Vivo's HDR10 support is a meaningful perk for media consumption, but it is a narrower use-case benefit that does not outweigh the Honor's commanding lead in brightness.

Both phones share the same 6 nm manufacturing process and 256 GB of internal storage, but their silicon tells very different stories. The Honor 400 Lite's MediaTek Dimensity 7025 outpaces the Vivo Y400 4G's Snapdragon 685 by a wide margin in Geekbench 6 benchmarks — the Honor scores 2291 multi-core and 884 single-core, versus the Vivo's 1510 and 473 respectively. Single-core performance is especially telling for everyday responsiveness — app launches, UI snappiness, keyboard input — and the Honor's nearly 2x lead here is a real-world advantage users will feel.

The memory subsystem gap compounds the processor difference further. The Honor ships with 12 GB of DDR5 RAM running at 2750 MHz and a peak memory bandwidth of 51.2 GB/s, while the Vivo offers 8 GB of DDR4 RAM at 2133 MHz with just 17 GB/s of bandwidth. More RAM means more apps stay active in the background without reloading, and the DDR5 advantage means data moves between the processor and memory roughly three times faster — a meaningful edge for multitasking and any workload that is memory-intensive.

The Honor 400 Lite holds an unambiguous and comprehensive performance advantage in this category. Across CPU benchmarks, RAM capacity, memory generation, and bandwidth, it outclasses the Vivo Y400 4G at every measurable point. For users who prioritize a fluid, future-proof experience — whether gaming, multitasking, or simply keeping many apps open — the Honor is the clear choice here.

The camera feature sets on these two phones are strikingly similar — both use a dual-lens rear system with a depth sensor, both cap video at 1080p at 30fps, and both offer the same manual controls and autofocus capabilities. Where they diverge is in resolution, and the gap is hard to ignore. The Honor 400 Lite leads with a 108 MP primary sensor versus the Vivo Y400 4G's 50 MP. In practice, higher megapixel counts allow for more aggressive digital cropping while retaining detail, and give the phone's processing pipeline more data to work with when downsampling to a final image — a meaningful advantage for users who like to zoom in or crop after the fact.

The selfie camera gap follows the same pattern. The Honor packs a 16 MP front shooter compared to the Vivo's 8 MP — again a 2x resolution advantage that translates to sharper, more detail-rich self-portraits. The Vivo does counter with a slightly wider front aperture of f/2.1 versus the Honor's f/2.5, which theoretically lets in more light in low-light conditions. However, that aperture edge is modest and unlikely to fully offset the resolution deficit for most shooting scenarios.

The Honor 400 Lite takes a clear win in this category. With higher resolution on both the main and front cameras and a feature set that is otherwise identical, it offers a more capable imaging package across the board. The Vivo's slightly more open front aperture is a minor footnote rather than a meaningful counter-argument.

This is a rare category where the data tells a definitive story: the Honor 400 Lite and Vivo Y400 4G are in complete parity. Every single spec in this group is identical across both devices — both run Android 15, both support the same privacy controls, productivity features, and customization options, and neither receives direct OS updates or supports PC mode.

The shared feature set is nonetheless worth contextualizing. Running Android 15 means both phones arrive with a modern, well-supported software foundation, including granular privacy tools such as per-app camera and microphone controls, location permissions, and app tracking blockers. Productivity staples like split-screen, Picture-in-Picture, widgets, and offline voice recognition are present on both. Neither device, however, benefits from direct OS updates — meaning future Android version upgrades will depend on each manufacturer's own update cadence rather than Google pushing them directly.

This category is an absolute tie. There is no differentiator — not even a minor one — between the two phones on software. A buyer's choice between these devices should rest entirely on the hardware differences covered in other categories.

Battery is one area where the Vivo Y400 4G turns the tables on the Honor 400 Lite. It carries a 6000 mAh cell versus the Honor's 5230 mAh — a 770 mAh difference that, while not dramatic, is meaningful enough to translate into noticeably longer endurance over a full day of mixed usage. For heavy users who regularly push their phone through long commutes, travel, or extended screen-on sessions, that extra headroom reduces the urgency of finding a charger.

The Vivo also edges ahead on charging speed, offering 44W fast charging compared to the Honor's 35W. The real-world gap between these two speeds is moderate rather than transformative — both will replenish the battery in a reasonable timeframe — but the Vivo's combination of a larger battery and faster refill rate gives it a compounded endurance advantage. Neither phone supports wireless charging, so both users are cable-dependent regardless.

The Vivo Y400 4G wins this category clearly. It holds more charge and replenishes faster, making it the stronger choice for users who prioritize all-day battery confidence. It is worth noting, however, that the Vivo's larger battery contributes to its heavier weight — a trade-off buyers should weigh against the endurance benefit.

Audio is a lean category for both phones, with one differentiator that stands out immediately. Neither device includes a 3.5 mm headphone jack, and neither supports advanced wireless audio codecs like aptX or LDAC — so wired listening requires an adapter, and Bluetooth audio quality is limited to the standard codec baseline on both. The single spec that separates them is speaker configuration: the Vivo Y400 4G has stereo speakers, while the Honor 400 Lite does not.

That distinction matters more than it might seem in isolation. A stereo speaker setup produces sound from two directions, creating a noticeably wider soundstage for media consumption — whether watching videos, playing games, or listening to music without headphones. A single mono speaker, by contrast, projects audio from one point, which feels comparatively flat and narrow. For hands-free, speaker-out use cases, the Vivo delivers a meaningfully richer listening experience.

The Vivo Y400 4G takes a clear win in this category on the strength of its stereo speakers alone. It is the only meaningful differentiator in an otherwise identical audio spec sheet, but it is a practically impactful one for anyone who regularly uses their phone as a media device without headphones.

The most consequential difference in this category is cellular generation. The Honor 400 Lite supports 5G, while the Vivo Y400 4G is limited to 4G LTE — a gap reflected starkly in their peak download speeds: 2770 Mbps versus 390 Mbps. In areas with 5G coverage, this translates to dramatically faster downloads, smoother cloud-dependent tasks, and greater network headroom as congestion increases over time. It also has a longevity dimension: as 4G networks are gradually deprioritized in favor of 5G infrastructure, the Honor's network capability will remain relevant for longer.

Elsewhere, the Honor also holds a modest edge in wireless communication, sporting Bluetooth 5.3 against the Vivo's Bluetooth 5.0. The newer version offers incremental improvements in connection stability and energy efficiency, particularly relevant for users with wireless earbuds or accessories that are frequently paired. Both phones share the same Wi-Fi standard support, NFC, dual-SIM, USB Type-C, and GPS — so outside of cellular and Bluetooth, the connectivity baseline is identical. The one area where the Vivo counters is its inclusion of a gyroscope, a sensor the Honor lacks. A gyroscope enables more precise motion-based interactions — relevant for augmented reality apps and certain games — though it is a narrower use-case advantage compared to 5G.

The Honor 400 Lite wins this category decisively. Its 5G support is a fundamental network upgrade that affects everyday usability and future-proofing in a way that the Vivo's gyroscope simply cannot offset. For users in 5G-covered markets especially, the Honor's connectivity advantage is one of its strongest overall selling points.

This is a short category with only one differentiator worth discussing. Both phones include a video light and neither uses sapphire glass or an e-paper display. The single point of distinction is that the Vivo Y400 4G features a curved display, while the Honor 400 Lite has a flat panel.

A curved screen is primarily an aesthetic and ergonomic choice — the edges of the display taper toward the frame, giving the phone a more premium, sculpted appearance and making the sides feel thinner in the hand. The trade-off is practical: curved screens are generally more prone to accidental edge touches and can be harder to protect with standard flat-glass screen protectors. Whether this is an advantage or a drawback depends largely on personal preference.

Given how narrow this category is, declaring a clear winner is not meaningful — it comes down to design taste. Users who prefer a sleek, modern aesthetic may appreciate the Vivo's curved display, while those who prioritize practicality and ease of screen protection may find the Honor's flat panel more suitable. Neither choice reflects a functional superiority over the other based solely on the provided data.