Vivo iQOO Z10x VS Vivo T4x 5G

In terms of physical design, the Vivo iQOO Z10x and Vivo T4x 5G are virtually identical twins: both weigh 204 g, measure 165.7 × 76.3 × 8.1 mm, and share the exact same volume of 102.41 cm³. Neither features a rugged build or a foldable form factor, so in hand they will feel indistinguishable from one another.

The only meaningful differentiator in this group is water protection. The iQOO Z10x carries an IP68 rating, meaning it is fully waterproof and can withstand submersion in fresh water up to 1.5 m for 30 minutes. The T4x 5G, by contrast, holds an IP64 rating, which only guarantees protection against water splashes from any direction — not immersion. In practical terms, the iQOO Z10x can survive a drop in a sink or pool, while the T4x 5G is better treated as splash-resistant rather than truly waterproof.

The iQOO Z10x holds a clear edge in this group purely on the strength of its superior IP68 protection. For users who frequently use their phone near water, in rain, or in humid environments, that gap is genuinely significant despite the two devices being otherwise identical in form and feel.

Both the Vivo iQOO Z10x and Vivo T4x 5G feature an identical LCD IPS panel measuring 6.72″ with a 1080 × 2408 resolution and 393 ppi pixel density. At that density, text and images will appear sharp and detailed for everyday use. The 120Hz refresh rate on both ensures smooth scrolling and responsive touch interactions — a notable inclusion at this price tier.

Neither device supports HDR10, HDR10+, or Dolby Vision, and neither uses branded damage-resistant glass. This means color accuracy and brightness under HDR content will be limited, and screen durability against drops and scratches is roughly equivalent between the two.

The sole differentiator here is the Always-On Display, which the iQOO Z10x supports and the T4x 5G does not. This feature lets users glance at the time, notifications, or date without waking the full screen — a small but practical quality-of-life advantage. Given that everything else is a perfect match, the iQOO Z10x takes a narrow edge in this category thanks to that single convenience feature.

At the core of both devices sits the MediaTek Dimensity 7300 — a 4nm chipset paired with 8GB of DDR5 RAM and 256GB of internal storage. This configuration is identical across the iQOO Z10x and T4x 5G, meaning day-to-day performance — app launches, multitasking, and general responsiveness — will feel essentially the same in normal use.

Where the data does reveal a small gap is in benchmark scores. The iQOO Z10x scores 696,045 on AnTuTu versus 685,000 for the T4x 5G, and leads on Geekbench 6 multi-core with 2,932 against 2,827. Single-core performance is effectively tied at 1,026 and 1,031 respectively. These differences are in the range of 1–4%, which is unlikely to be perceptible in real-world tasks but does suggest the iQOO Z10x may have a marginal advantage in sustained or parallel workloads like background processing or moderately demanding games.

For practical purposes, this is a near-total draw. Both phones will handle streaming, social media, and casual gaming with equal competence. If forced to declare an edge, the iQOO Z10x holds a fractional lead on multi-core throughput, but it is not a meaningful differentiator for the vast majority of users.

The camera systems on the Vivo iQOO Z10x and Vivo T4x 5G are nearly a carbon copy of each other. Both feature a dual rear setup led by a 50MP main sensor, a 2MP depth lens, and an 8MP front camera. Video capability tops out at 4K at 30fps on both, and the feature set — phase-detection autofocus, continuous autofocus during recording, slow-motion, HDR mode, panorama, and a full suite of manual controls — is identical across the board.

The one measurable difference lies in the front camera aperture: the iQOO Z10x shoots selfies at f/2.0, while the T4x 5G uses f/2.1. A wider aperture admits more light, which can translate to slightly brighter, less noisy selfies in dim conditions. The gap here is narrow — just one-tenth of an f-stop — so the real-world impact will be subtle rather than transformative.

Across the camera category, these two phones are effectively tied. The iQOO Z10x holds a technical, if modest, edge courtesy of its marginally wider front aperture, but for rear camera performance — where most users spend the majority of their shooting — expect identical results from both devices.

Running Android 15 on both devices, the Vivo iQOO Z10x and T4x 5G offer a completely identical software experience — down to every single feature in the provided data. Privacy tools such as location controls, camera and microphone permissions, and app tracking blockers are present on both, giving users a solid baseline of modern Android privacy management.

On the usability front, both phones include quality-of-life features like dynamic theming, split-screen multitasking, Picture-in-Picture, on-device machine learning, offline voice recognition, and a battery health check — a well-rounded set for this segment. Neither device receives direct OS updates, meaning software patches will route through Vivo rather than Google, which can introduce delays in security and feature rollouts — a shared limitation worth noting.

This category is an absolute tie. Every feature flag is identical across both products, so the operating system experience will be indistinguishable in daily use. Neither phone holds any software advantage over the other based on the available data.

Battery is another category where the Vivo iQOO Z10x and T4x 5G are mirror images of each other. Both pack a 6,500 mAh cell — a generously sized capacity that comfortably exceeds the mainstream 5,000 mAh standard and points toward strong multi-day endurance for moderate users, or a reliable full day even under heavier workloads.

Charging is equally matched at 44W on both devices, enabling meaningfully faster top-ups compared to the 18W–33W range still common in budget phones. Neither supports wireless charging, and neither has a removable battery — both expected trade-offs at this segment.

There is no differentiator to call out here — this category is a complete tie. Buyers can expect identical battery life and charging behavior from both phones, making it a non-factor in the decision between the two.

Audio is where these two otherwise near-identical phones finally part ways in a meaningful manner. The Vivo T4x 5G includes stereo speakers, while the iQOO Z10x makes do with a mono setup. For media consumption — streaming videos, gaming, or listening without headphones — stereo speakers create a noticeably wider, more immersive soundstage compared to mono output, which can sound flat and directionally limited by comparison.

Shared limitations apply to both: neither has a 3.5mm headphone jack, so wired audio requires an adapter or USB-C earphones. Advanced Bluetooth codecs such as aptX, LDAC, and their variants are absent on both devices, meaning wireless audio quality will be capped at standard SBC or AAC levels — adequate for casual listening but not audiophile-grade.

The T4x 5G takes a clear and practical win in this category. Stereo speakers are a tangible, everyday upgrade that users will notice every time they watch content or play games without headphones — and it is the only hardware audio differentiator in the entire group.

Much of the connectivity picture is shared ground: both phones offer 5G, Bluetooth 5.4, dual-SIM, USB Type-C, GPS with Galileo support, and a fingerprint scanner. Neither includes NFC — a notable omission for users who rely on contactless payments — and both are capped at USB 2.0, limiting wired data transfer speeds.

Two meaningful differentiators break the symmetry in favor of the Vivo T4x 5G. First, it adds Wi-Fi 6 (802.11ax) to its wireless stack, whereas the iQOO Z10x tops out at Wi-Fi 5. Wi-Fi 6 delivers higher throughput, lower latency, and better performance in congested environments — a tangible upgrade for users on compatible routers. Second, the T4x 5G includes an infrared sensor, which allows the phone to function as a universal remote for TVs and home appliances — a handy convenience feature entirely absent on the iQOO Z10x.

The T4x 5G holds the clearer advantage in this category. Wi-Fi 6 support is a forward-looking connectivity upgrade, and the infrared sensor adds practical utility that the iQOO Z10x simply cannot match. Neither gap is critical for every user, but together they represent a meaningfully richer feature set.

The miscellaneous spec group offers very little to separate the Vivo iQOO Z10x and Vivo T4x 5G. Both include a video light, and neither features a curved display, sapphire glass, or an e-paper display — all of which are premium or niche traits not expected at this price tier.

This is a complete tie across every data point in the group. With no differentiators present, this category has no bearing on the decision between the two devices.