Realme Buds Air 7 VS Tecno Buds 4

Both the Realme Buds Air 7 and Tecno Buds 4 share the same fundamental design philosophy: true wireless, in-ear earbuds with no cables, no neckband, no wingtips, no RGB lighting, and no display. For users who prefer a clean, minimalist form factor, both deliver essentially the same experience on the surface.

The most meaningful differentiator in this group is water resistance. The Realme Buds Air 7 carries an IP55 rating, meaning it is protected against both dust ingress and water jets from any direction — making it genuinely usable in rain or during intense workouts. The Tecno Buds 4, rated at IPX4, offers only sweat resistance, with no dust protection and a lower threshold for water exposure. In practical terms, IP55 is a notably more robust rating, giving the Realme a real-world advantage for active or outdoor users.

Overall, the Realme Buds Air 7 holds a clear edge in this group solely on the strength of its superior ingress protection. If durability and resistance to the elements matter to you, the Realme is the more capable choice. For light, everyday use where heavy exposure to water or dust is unlikely, the Tecno Buds 4 remains adequate.

On paper, both earbuds share the same frequency response range of 20 Hz to 20000 Hz, covering the full spectrum of human hearing. However, frequency range alone tells only part of the story — the hardware and features driving that range reveal a significant gap between these two products.

The Realme Buds Air 7 pulls ahead in two meaningful ways. Its 12.4 mm driver is notably larger than the Tecno's 10 mm unit; bigger drivers generally move more air, which translates to fuller bass response and better overall sound presence at higher volumes. More critically, the Realme adds Active Noise Cancellation (ANC) and spatial audio support — features entirely absent on the Tecno Buds 4. ANC actively suppresses ambient sound using microphones, making a real difference in commuting or noisy office environments, while spatial audio creates a more immersive, three-dimensional soundstage for compatible content.

The Tecno Buds 4 relies solely on passive noise reduction — essentially just the physical seal of the ear tips — which is a much more limited solution. For casual listeners in quiet environments it may suffice, but for anyone prioritizing immersive or distraction-free listening, the Realme Buds Air 7 holds a clear and decisive advantage in this group.

Battery life is where the gap between these two products becomes impossible to ignore. The Realme Buds Air 7 delivers 13 hours of playback per charge compared to just 5 hours on the Tecno Buds 4 — that is more than double the listening time per session. Combined with their respective charging cases, the Realme extends to 39 hours of total battery life versus the Tecno's 23 hours. For anyone who commutes, travels, or simply dislikes charging frequently, this difference has a direct, daily impact.

The one area where the Tecno edges ahead is charge time: it refills in 1 hour versus the Realme's 1.5 hours. That said, the Tecno's faster recharge is partly a necessity given its much smaller earbud battery — 37 mAh versus the Realme's 62 mAh. Interestingly, the Tecno's case holds a slightly larger capacity at 500 mAh compared to the Realme's 480 mAh, yet still delivers fewer total hours, suggesting less efficient energy management overall. Neither product supports wireless charging.

The verdict here is decisive: the Realme Buds Air 7 wins the power category by a wide margin. Unless the 30-minute charging advantage of the Tecno is a priority, the Realme is the far more practical choice for users who value endurance between top-ups.

At the foundation, both earbuds are evenly matched: Bluetooth 5.4, a 10-meter wireless range, and USB-C charging are common to both. Bluetooth 5.4 is a modern standard that brings improved connection stability and lower power consumption, so neither product is at a disadvantage on that front.

Where the Realme Buds Air 7 separates itself is in codec support and pairing convenience. It supports both LDHC and AAC — two audio codecs that transmit more data wirelessly than standard SBC, meaning higher-fidelity audio when paired with a compatible source device. AAC in particular is widely used by Apple devices, making the Realme a more versatile choice across ecosystems. The Tecno Buds 4 supports neither, defaulting to SBC — the baseline codec with the most compression and least audio detail. On top of that, the Realme includes fast pairing, which streamlines the initial connection setup, while the Tecno requires a more manual pairing process.

The Realme Buds Air 7 takes a clear edge in connectivity. Its codec advantages deliver a tangible improvement in wireless audio quality for users with compatible devices, and fast pairing adds a small but appreciated convenience. The Tecno Buds 4 covers the basics reliably but offers nothing beyond them in this category.

Several features are shared across both products: fast charging, mute function, on-device controls, voice prompts, headset capability, and even an included travel bag. For everyday usability, this common ground means neither product feels bare-bones in the basics.

The differentiation, however, is meaningful. The Realme Buds Air 7 adds three features the Tecno Buds 4 entirely lacks: ambient sound mode, in-ear detection, and a find device function. Ambient sound mode passes environmental audio through the earbuds, allowing users to stay aware of their surroundings without removing them — a genuinely useful safety and convenience feature in urban or active settings. In-ear detection automatically pauses playback when an earbud is removed, which reduces friction in daily use and conserves battery. The find device feature, while situational, can save real frustration when a small earbud goes missing.

These are not minor additions — they represent a meaningfully more polished and intelligent user experience. The Tecno Buds 4 handles the fundamentals competently, but the Realme Buds Air 7 holds a clear advantage in this group through features that actively adapt to how people use earbuds in real life.

Both the Realme Buds Air 7 and Tecno Buds 4 feature noise-canceling microphones, which means call audio on both is processed to reduce background interference — a baseline expectation for modern wireless earbuds. The real distinction comes down to microphone count.

The Realme equips 6 microphones versus the Tecno's 4. More microphones allow for more sophisticated beamforming and noise isolation algorithms — the device can cross-reference audio from multiple pickup points to more precisely isolate the user's voice and suppress ambient sound. In practical terms, this tends to result in cleaner call quality in windy, crowded, or noisy environments, and also supports more effective ANC performance — a connection that aligns with the Realme's hardware-level ANC advantage noted in sound quality.

The Realme Buds Air 7 holds the edge here. While both products handle the microphone fundamentals, the additional microphone array on the Realme positions it as the stronger performer for calls and voice pickup in challenging acoustic conditions.