OnePlus Nord CE5 VS Vivo Y31 5G

In terms of physical dimensions, the OnePlus Nord CE5 is the more compact and lighter of the two, weighing 199 g versus the Vivo Y31 5G's 209 g, and measuring slightly thinner (8.2 mm vs 8.4 mm) with a smaller overall footprint. That 10 g difference may seem minor, but over a full day of use it translates to a noticeably less fatiguing one-handed experience, and the reduced volume (roughly 102 cm³ vs 107 cm³) means the Nord CE5 will feel slightly less bulky in a pocket or bag.

The most meaningful design differentiator, however, is water protection. The Nord CE5 carries an IP65 rating, which means it is shielded against low-pressure water jets and dust — solid protection for splashes and light rain, but it is not rated for submersion. The Vivo Y31 5G steps up significantly with an IP68 rating, meaning it can withstand full immersion in water (typically up to 1.5 m for 30 minutes). In real-world terms, IP68 covers accidental drops in a sink or puddle — scenarios that IP65 does not.

Overall, the two phones split the design advantage: the Nord CE5 wins on ergonomics with its lighter weight and slimmer profile, while the Vivo Y31 5G holds a clear edge in durability thanks to its superior IP68 waterproofing. Neither features a rugged build or a foldable form factor, so the choice here comes down to whether portability or water resilience matters more to the buyer.

The display category is where these two phones diverge most dramatically. The OnePlus Nord CE5 uses an OLED/AMOLED panel, which delivers true blacks, higher contrast, and more vibrant colors by lighting pixels individually — a fundamental technology advantage over the LCD IPS panel on the Vivo Y31 5G. Pair that with a pixel density of 387 ppi versus the Y31 5G's 264 ppi, and the difference in sharpness is immediately visible to the naked eye — text edges are crisper, images are more detailed, and fine UI elements look noticeably cleaner on the Nord CE5.

The resolution gap reinforces this: 1080 x 2392 px (Full HD+) on the Nord CE5 against a 720 x 1608 px (HD+) output on the Y31 5G. HD+ resolution at a 6.68″ screen size produces a display that can look soft by modern standards, especially when reading small text or watching high-resolution video. The Nord CE5 also supports HDR10 and HDR10+, meaning compatible streaming content will render with a wider dynamic range and more accurate highlights — a feature the Y31 5G lacks entirely. The Always-On Display on the Nord CE5 adds a practical convenience layer as well.

The one area where the Vivo Y31 5G pushes back is its branded damage-resistant glass — a meaningful real-world durability perk that the Nord CE5 does not offer. Both phones share a 120Hz refresh rate, so scrolling and animations feel equally fluid day-to-day. Still, the overall display advantage belongs decisively to the Nord CE5, which outclasses the Y31 5G on panel technology, sharpness, and HDR support — three factors that define everyday visual quality.

Raw performance is where the gap between these two phones becomes particularly stark. The OnePlus Nord CE5 is powered by the MediaTek Dimensity 8350 — a genuinely upper-mid-range chip — while the Vivo Y31 5G runs on the Qualcomm Snapdragon 4 Gen 2, which sits firmly in the entry-level tier. Both are built on a 4 nm process, but the Dimensity 8350's CPU cluster runs significantly faster, with its primary cores clocked at up to 3.35 GHz versus the Snapdragon's 2.3 GHz peak. In practice, this translates to noticeably snappier app launches, smoother multitasking, and better sustained performance under load.

The memory configuration amplifies this advantage further. The Nord CE5 ships with 12 GB of RAM running at a blistering 8533 MHz, compared to just 6 GB at 3200 MHz on the Y31 5G. Faster RAM means data moves between the processor and memory more quickly, which benefits everything from gaming frame consistency to switching between heavy apps without reloading. Storage follows the same pattern: 256 GB internal on the Nord CE5 versus 128 GB on the Y31 5G, halving the available space before even considering expandable storage. The GPU picture is equally one-sided — the Mali G615 MC6 clocked at 1400 MHz substantially outpaces the Adreno 613 at 955 MHz, meaning graphically demanding games will run at higher frame rates and detail settings on the Nord CE5.

The Nord CE5 holds a decisive performance advantage across every meaningful dimension: faster CPU, more and quicker RAM, superior GPU, and double the base storage. The Y31 5G's only counter is a higher maximum external storage ceiling (2048 GB vs 1024 GB), but that is a minor footnote against such a comprehensive performance gap. Users who prioritize responsiveness, gaming, or heavy multitasking will find the Nord CE5 in a different league here.

Both phones lead with a 50 MP main sensor, but the similarities end there quickly. The OnePlus Nord CE5 adds a second 8 MP lens, giving it compositional versatility the single-camera Vivo Y31 5G simply cannot match. More critically, the Nord CE5 includes optical image stabilization (OIS) — a hardware mechanism that physically compensates for hand movement during shots and video. The Y31 5G has no OIS, which means photos in low light or at a slight distance are more prone to motion blur, and video footage will look shakier without active stabilization from the shooter.

Video capability is where the gap becomes dramatic. The Nord CE5 records up to 4K at 60 fps, delivering footage with exceptional detail and smooth motion — a spec that rivals phones well above its price class. The Y31 5G is capped at 1080p at 30 fps, which is functional but represents a two-generation step down in video quality. For anyone who shoots video regularly — travel, events, social content — this distinction is hard to overlook. On the selfie side, the Nord CE5's 16 MP front camera doubles the Y31 5G's 8 MP, resulting in sharper self-portraits with more detail to crop into.

The manual controls, autofocus systems, and shooting modes on offer are essentially identical across both phones, so the comparison really hinges on hardware fundamentals. The Nord CE5 wins this category convincingly, with OIS, a dual-lens rear system, a higher-resolution front camera, and vastly superior video recording all pointing in the same direction.

On the software front, this comparison produces a rare outcome: a complete tie. Both the OnePlus Nord CE5 and the Vivo Y31 5G run Android 15 and share an identical feature set across every tracked specification in this group. That means users of either phone get the same privacy controls — including location, camera, and microphone permission management and app tracking blocks — as well as productivity features like split-screen multitasking, Picture-in-Picture, and offline voice recognition.

The shared feature list also covers quality-of-life additions that matter in day-to-day use: dynamic theming, dark mode, customizable notifications, full-page screenshots, and a battery health check tool are all present on both devices. Neither phone gets direct OS updates from Google, meaning both rely on their respective manufacturers to push Android updates — a point buyers should weigh when thinking about long-term software support longevity.

With no differentiating data points across the entire group, the operating system category is a draw. A buyer's software experience will ultimately be shaped more by each brand's custom Android skin and update cadence than by anything captured in these specs — factors that fall outside the provided data.

Battery capacity is an area where the OnePlus Nord CE5 pulls ahead meaningfully. Its 7100 mAh cell is notably larger than the 6500 mAh unit in the Vivo Y31 5G — a 600 mAh difference that, all else being equal, translates to a tangible extension in screen-on time. Both are already large batteries by smartphone standards, so neither phone is likely to struggle through a full day, but heavy users pushing two days between charges will find the Nord CE5's bigger reserve more reassuring.

Charging speed tells a similarly one-sided story. The Nord CE5 supports 80W fast charging versus the Y31 5G's 44W — nearly double the wattage. In practical terms, 80W charging can replenish a large battery from near-empty to a usable level in under 30 minutes, whereas 44W, while still respectable, will require noticeably more time for the same task. Crucially, both phones come bundled with a charger in the box, so users will be able to take full advantage of these speeds out of the gate without an additional purchase.

Neither phone offers wireless charging or a removable battery, so those are non-factors in the decision. Taken together, the Nord CE5 wins the battery category on both fronts — it stores more energy and replenishes it faster, a combination that gives it a clear edge for users who prioritize battery stamina and charging convenience.

Audio is the one category in this comparison where each phone holds a genuine, non-overlapping advantage — making the verdict entirely dependent on how a user listens to music. The Vivo Y31 5G is the only one of the two with stereo speakers, meaning sound is projected from two separate drivers for a wider, more immersive soundstage when listening without headphones. The OnePlus Nord CE5 lacks stereo output entirely, so its speaker experience will feel more directional and narrower by comparison.

Flip to wireless headphones, however, and the tables turn decisively. The Nord CE5 supports aptX, aptX HD, and LDAC — three high-fidelity Bluetooth audio codecs that transmit significantly more audio data than standard Bluetooth, preserving detail and dynamic range that would otherwise be lost in compression. LDAC in particular, developed by Sony, is capable of transmitting up to three times the data of standard SBC. The Y31 5G supports none of these codecs, meaning even premium wireless headphones paired to it will be limited to a lower-quality audio stream.

Neither phone includes a 3.5 mm headphone jack or an FM radio, so wired analog audio is off the table for both. The verdict here comes down to use case: the Y31 5G is the better choice for speaker listening, while the Nord CE5 is clearly superior for wireless headphone users who own or plan to buy codec-compatible earphones. For most audio-focused buyers, the Nord CE5's codec support covers the more common daily scenario.

Across wireless connectivity, the OnePlus Nord CE5 holds a consistent edge at every tier. Its Wi-Fi support extends to Wi-Fi 6 (802.11ax), the current mainstream standard that offers faster throughput, lower latency, and better performance in congested environments like apartments or offices with many connected devices. The Vivo Y31 5G tops out at Wi-Fi 5 (802.11ac), which is still capable but will not benefit from Wi-Fi 6 routers the way the Nord CE5 can. The Bluetooth gap is equally significant: Bluetooth 5.4 on the Nord CE5 versus 4.2 on the Y31 5G — a generational leap that brings improved range, connection stability, and more efficient pairing with modern accessories.

Beyond the wireless standards, the Nord CE5 adds three features the Y31 5G entirely lacks. NFC enables contactless payments and quick device pairing — an increasingly expected convenience in daily life. A gyroscope enables accurate motion-based features in gaming, navigation, and augmented reality apps; without it, the Y31 5G will fail to support apps and games that depend on orientation sensing. An infrared sensor lets the Nord CE5 function as a universal remote for TVs and appliances — a niche but genuinely useful addition that costs nothing when it is there.

Both phones share dual-SIM support, USB Type-C, expandable storage, GPS, a fingerprint scanner, and 5G — so the fundamentals are covered on either device. But the cumulative weight of Wi-Fi 6, newer Bluetooth, NFC, a gyroscope, and an infrared blaster gives the Nord CE5 a clear and well-rounded connectivity advantage. The Y31 5G has no compensating feature in this group to close the gap.

The miscellaneous specs for the OnePlus Nord CE5 and Vivo Y31 5G are identical across every tracked point in this group. Both include a video light — a torch that stays on during video recording to illuminate subjects in low-light conditions — and neither features sapphire glass, a curved display, or an e-paper screen. There is nothing here to separate them.

This category is a complete tie, and by its nature, it carries little weight in the overall comparison. The absence of differentiating data simply means neither phone makes a unique claim in this space, and buyers should look to the other specification groups — performance, display, cameras, and connectivity — where the meaningful distinctions between these two devices actually lie.