Vivo S30 Pro Mini VS Xiaomi 15S Pro

Both the Vivo S30 Pro Mini and the Xiaomi 15S Pro share the same IP68 waterproof rating, meaning both can withstand submersion in fresh water under controlled conditions. Neither adopts a rugged build or a foldable form factor, so they are conventional, flat-slab smartphones on equal footing when it comes to durability certification.

Where the two diverge meaningfully is in physical footprint. The S30 Pro Mini lives up to its ″Mini″ billing: at 186 g, 150.8 mm tall, and 71.8 mm wide, it occupies roughly 86.6 cm³ of volume. The 15S Pro is substantially larger — 216 g, 161.3 mm tall, 75.3 mm wide, and 100.8 cm³ in volume. That is a 30 g weight difference and about 16% more volume, which translates directly to how the phone sits in a pocket, how fatiguing it is during prolonged one-handed use, and how easily it can be operated with one hand. The thickness gap is minor — 8 mm versus 8.3 mm — and imperceptible in daily use.

For the Design group, the Vivo S30 Pro Mini holds a clear ergonomic advantage: it is significantly lighter and more compact, making it the better choice for users who prioritize comfort and pocketability. The 15S Pro's larger frame is not a flaw per se — bigger phones often accommodate larger batteries or displays — but purely on design dimensions, the Mini is the more hand-friendly device.

Both phones use OLED/AMOLED panels with a 120Hz refresh rate, branded damage-resistant glass, and Always-On Display support — a solid shared foundation that ensures smooth scrolling and vibrant contrast on either device. The meaningful story here, however, is in the gap between them when it comes to resolution and HDR capability.

The Xiaomi 15S Pro's 6.73″ screen renders at 1440 x 3200 px with a pixel density of 521 ppi, while the S30 Pro Mini's 6.31″ panel lands at 1216 x 2640 px and 461 ppi. That 60 ppi difference is perceptible — text edges are crisper and fine detail in photos or video is more resolved on the 15S Pro, particularly when viewing content up close. More impactful still is the 15S Pro's full HDR suite: it supports HDR10, HDR10+, and Dolby Vision, meaning streaming platforms like Netflix and Apple TV+ can deliver their highest-quality video tiers with accurate peak brightness and dynamic tone mapping. The S30 Pro Mini supports none of these standards, which caps its video experience regardless of the content's source quality.

The Xiaomi 15S Pro holds a decisive display advantage. Its higher pixel density produces a noticeably sharper image, and its comprehensive HDR support makes it the far stronger choice for media consumption. The S30 Pro Mini's display is competent, but users who prioritize visual fidelity — whether for streaming, photography review, or general sharpness — will find the 15S Pro's screen in a different class.

The chipset gap here is substantial. The Vivo S30 Pro Mini runs on the MediaTek Dimensity 9300 Plus (4 nm), a capable flagship-tier processor, while the Xiaomi 15S Pro is powered by Xiaomi's own Xring O1 (3 nm) — a newer, denser design that translates directly into greater efficiency and headroom. The benchmark numbers bear this out: the 15S Pro scores 3,004,137 on AnTuTu versus the S30 Pro Mini's 2,136,863, a roughly 40% advantage. Geekbench 6 single-core results follow the same pattern — 2709 versus 2302 — which matters most for everyday responsiveness, app launch times, and tasks that cannot be parallelized.

On the GPU side, the 15S Pro's ARM Immortalis-G925 clocked at 1612 MHz outpaces the S30 Pro Mini's Immortalis-G720 MC12 at 1300 MHz, and its support for OpenCL 3 (versus OpenCL 2) means better compatibility with compute-heavy workloads. The 15S Pro also adds a 10-thread CPU configuration and explicit multithreading support, giving it more parallelism for sustained workloads like video export or large model inference. One nuance worth noting: the S30 Pro Mini supports a maximum of 24 GB of RAM in its top configuration, versus the 15S Pro's ceiling of 16 GB — a potential edge in extreme multitasking scenarios, though both devices ship with 16 GB as tested here.

The Xiaomi 15S Pro wins the performance category clearly and by a meaningful margin. Its newer 3 nm chip, superior GPU clock speed, and substantially higher benchmark scores make it the stronger choice for gaming, computational photography, and any sustained heavy workload. The S30 Pro Mini is no slouch, but it is outclassed across nearly every measurable performance dimension.

The rear camera systems tell a revealing story. Both phones feature a triple-lens setup with a 50 MP primary sensor, but the S30 Pro Mini pairs it with a second 50 MP lens and an 8 MP telephoto, while the Xiaomi 15S Pro fields three 50 MP sensors across all lenses — including its telephoto. That telephoto difference compounds further: the S30 Pro Mini offers 3x optical zoom versus the 15S Pro's 5x, meaning the Xiaomi captures more distant subjects with significantly less quality loss. The 15S Pro's main lens also opens to f/1.4 compared to the S30 Pro Mini's f/1.9 — a full stop wider, which translates to noticeably more light gathered in dim environments and shallower depth-of-field for portrait work.

Video capability is another area where the gap widens. The S30 Pro Mini tops out at 4K at 30fps, while the 15S Pro pushes to 8K at 24fps along with support for HDR10 and Dolby Vision recording — standards that future-proof footage for high-end displays and professional post-production pipelines. The 15S Pro also adds RAW shooting and laser autofocus, both absent on the S30 Pro Mini; RAW capture in particular is significant for photographers who process images manually, as it preserves the full sensor data rather than a compressed JPEG. A dual-LED dual-tone flash rounds out the 15S Pro's hardware edge over the single-LED setup on the Mini.

The one area where the S30 Pro Mini counters is its 50 MP front camera, outresolving the 15S Pro's 32 MP selfie shooter — a genuine advantage for users who prioritize selfie detail. But taken as a whole, the Xiaomi 15S Pro holds a commanding lead in the camera category: wider aperture, stronger telephoto, 8K video, RAW support, and laser autofocus collectively make it the more capable imaging device by a considerable margin.

This is a rare case of a complete dead heat. Across every single operating system specification provided, the Vivo S30 Pro Mini and the Xiaomi 15S Pro are identical — both ship with Android 15 and offer the same feature set, from dynamic theming and split-screen multitasking to on-device machine learning, offline voice recognition, and a full suite of privacy controls including camera, microphone, and location permissions management.

A few shared characteristics are worth contextualizing for users coming from other platforms. Neither device receives direct OS updates from Google — both rely on their respective manufacturers to push Android updates, which typically introduces delays compared to Pixel devices. Neither blocks cross-site tracking at the OS level, and neither supports Wi-Fi password sharing. These are consistent limitations on both sides, not a differentiator between them.

For the Operating System group, the verdict is an absolute tie. There is no data-supported basis to prefer one over the other here — any differences a user experiences will come from each manufacturer's custom Android skin layered on top, which falls outside the scope of the specs provided.

Wired charging speed is the one point of parity here — both phones top out at 90W, meaning roughly equivalent time from flat to full when plugged in. Beyond that, the two batteries diverge in complementary directions, with each device holding a meaningful advantage in a different dimension.

The Vivo S30 Pro Mini carries a larger 6500 mAh cell versus the Xiaomi 15S Pro's 6100 mAh — a 400 mAh difference that, all else being equal, translates to a modest but real extension of time between charges. For a compact phone that already draws less power to drive a smaller, lower-resolution screen, this could be a notable endurance advantage. The 15S Pro counters with wireless charging, a feature entirely absent on the S30 Pro Mini. Wireless charging is a meaningful quality-of-life addition — it enables charging pads on desks and nightstands, and eliminates port wear over time, even if it is generally slower than wired speeds.

This group produces no single clear winner — the decision hinges on user priorities. Those who value raw battery longevity and never miss wireless charging will lean toward the S30 Pro Mini. Users who place a premium on the convenience of wireless charging and can accept a slightly smaller cell will find the 15S Pro better suited to their habits. On balance, the two phones are closely matched, trading advantages rather than one decisively outclassing the other.

Neither phone includes a 3.5mm headphone jack or FM radio, and both feature stereo speakers — so for most casual listening scenarios, the hardware foundation is identical. The real differentiation lies in their Bluetooth audio codec support, which matters specifically to users with high-quality wireless headphones.

The S30 Pro Mini supports aptX and aptX HD, while the Xiaomi 15S Pro trades the base aptX tier for aptX Adaptive alongside aptX HD. This is a meaningful distinction: aptX Adaptive is the most advanced codec in the Qualcomm aptX family, capable of variable bitrates up to 1000 Mbps and lower latency than aptX HD, making it the superior choice for both audiophile listening and latency-sensitive use cases like gaming or video. However, it requires a headset that also supports aptX Adaptive to deliver that benefit — users without compatible hardware will not notice the difference. Neither phone supports LDAC or aptX Lossless, so the ceiling for wireless audio quality is the same in that regard.

The Xiaomi 15S Pro holds a narrow edge in audio for users invested in the aptX Adaptive ecosystem, as it supports the more capable and forward-looking codec. The S30 Pro Mini is not far behind — its aptX HD support covers the needs of most wireless audio users — but if premium Bluetooth audio fidelity is a priority and your headphones support aptX Adaptive, the 15S Pro is the more capable pairing.

Across most connectivity fundamentals — 5G, Bluetooth 5.4, NFC, Wi-Fi 7, dual SIM, GPS, infrared sensor — these two phones are evenly matched. The differentiators are fewer but genuinely consequential for specific use cases. The most impactful is the USB version: the S30 Pro Mini is limited to USB 2.0, while the Xiaomi 15S Pro steps up to USB 3.2. In practical terms, this means the 15S Pro can transfer large files — video footage, backups, bulk photos — to a computer many times faster. For anyone who regularly moves data via cable, this is a day-to-day quality-of-life difference that is hard to ignore.

The 15S Pro also adds Wi-Fi 6E to its wireless stack, giving it access to the less congested 6 GHz band in environments where a compatible router is present. This can translate to more stable, lower-latency connections in crowded spaces like offices or apartments with many competing networks. The S30 Pro Mini tops out at Wi-Fi 7 without 6E, which is the stronger standard overall but lacks the 6 GHz band access that 6E provides. Additionally, the 15S Pro includes a barometer — useful for accurate altitude readings, weather apps, and indoor floor-level detection — which the S30 Pro Mini omits.

The Xiaomi 15S Pro holds the edge in this category. The USB 3.2 advantage alone is significant for power users, and Wi-Fi 6E support and the barometer add further utility. The S30 Pro Mini covers all the essentials competently but lacks these refinements that collectively make the 15S Pro the more fully-featured device for connectivity and sensors.

The Miscellaneous category offers no basis for differentiation whatsoever. The Vivo S30 Pro Mini and the Xiaomi 15S Pro share identical specs across every data point here: both include a video light, and neither features sapphire glass, a curved display, or an e-paper display.

This is a complete tie. No advantage can be assigned to either device based on the provided data, and no spec here is significant enough to influence a purchasing decision in either direction.