Sudio C8 True Wireless Earbuds vs Realme Buds T300: A Comparison Guide

Choosing between two budget-friendly true wireless earbuds can feel like a coin flip. The Sudio C8 and the Realme Buds T300 both promise active noise cancellation, solid battery life, and good sound. But which one actually delivers?

Both sit at similar price points. Both target everyday listeners who want quality without breaking the bank.

In this head-to-head comparison, we break down every feature, every spec, and every real-world detail so you can make a confident buying decision. Keep reading to find out which earbuds truly earn a spot in your ears.

Key Takeaways

• The Sudio C8 offers a 13mm dynamic driver, active noise cancellation, and up to 30 hours of total battery life. It uses Bluetooth 5.3 and supports the AAC codec. The earbuds are IPX4 rated for sweat and splash resistance. Sudio’s design philosophy focuses on minimalism and comfort, and the C8 follows that tradition well.
• The Realme Buds T300 packs a 12.4mm dynamic bass driver, 30dB active noise cancellation, and up to 40 hours of total battery life. It also runs Bluetooth 5.3 and supports AAC and SBC codecs. The T300 holds an IP55 rating for dust and water resistance. Realme adds features like 360-degree spatial audio and 50ms ultra-low latency for gaming.
• Battery life goes to Realme with a 10-hour advantage in total playtime. Driver size goes to Sudio with a slightly larger 13mm unit. Water resistance goes to Realme with IP55 over IPX4. Design and build quality lean toward Sudio for its premium Scandinavian aesthetics. Both earbuds offer solid ANC performance at their price point.

Sudio C8 True Wireless Earbuds: A Complete Overview

Last update on 2026-09-09 / Affiliate links / Images from Amazon Product Advertising API

The Sudio C8 is a true wireless earbud from the Swedish audio brand Sudio. It features a 13mm dynamic driver that produces a balanced, clear sound signature. The earbuds support active noise cancellation to block out background distractions during commutes, work, or study sessions.

Sudio built the C8 with recycled plastics, showing a commitment to sustainability. The earbuds connect through Bluetooth 5.3 and use the AAC codec for reliable audio streaming. Each earbud weighs very little, and the in-ear design includes interchangeable ear tips for a comfortable, secure fit.

The charging case is compact and easy to carry. You get up to 6 hours per charge on the earbuds and a total of 30 hours with the case. The IPX4 water resistance rating means sweat and light rain will not damage the earbuds. Sudio positions the C8 as an everyday companion for music, calls, and podcasts.

Pros:

• Sleek Scandinavian design made from recycled plastics
• 13mm dynamic driver for clear, balanced audio
• Active noise cancellation blocks ambient sound
• Comfortable in-ear fit with multiple ear tip sizes
• Bluetooth 5.3 for stable wireless connection

Cons:

• Bass response is on the lighter side for bass lovers
• No companion app for EQ customization
• Confusing initial setup due to red tape on earbuds
• AAC only codec support (no aptX or LDAC)

Realme Buds T300: A Complete Overview

Last update on 2026-09-08 / Affiliate links / Images from Amazon Product Advertising API

The Realme Buds T300 is a true wireless earbud from Realme’s popular audio lineup. It comes equipped with a 12.4mm dynamic bass driver that Realme designed with a special titanized diaphragm. This driver pushes bass-heavy, punchy sound ideal for pop, hip-hop, and electronic music fans.

The T300 offers 30dB active noise cancellation that does a solid job reducing ambient sounds. You also get 360-degree spatial audio, which adds a wider soundstage to your listening experience. Realme includes a 50ms ultra-low latency mode for mobile gaming, which is a nice bonus.

Battery life is one of the biggest strengths here. Each earbud holds a 43mAh battery while the case holds 460mAh. Together, you get up to 40 hours of total playback. The fast-charge feature gives you 7 hours of playback from just 10 minutes of charging. The IP55 rating offers both dust and water protection, making the T300 a strong option for workouts and outdoor use.

Pros:

• 40 hours total battery life with fast charging support
• 30dB ANC blocks a wide range of noise
• IP55 dust and water resistance for active lifestyles
• 360-degree spatial audio for immersive listening
• 50ms low latency mode great for gaming

Cons:

• 12.4mm driver is slightly smaller than some competitors
• Build quality feels plasticky at the budget price
• Sound signature leans heavily toward bass
• Spatial audio effect can sound artificial at times

Sound Quality: Balanced vs Bass-Heavy

Sound quality is the most important factor for most buyers. The Sudio C8 delivers a balanced, neutral sound profile. Highs are crisp. Mids are well-defined. Bass is present but not overpowering. This makes the C8 a versatile choice for listeners who enjoy multiple genres like jazz, classical, rock, and vocal-heavy tracks.

The Realme Buds T300 takes a different path. Its 12.4mm titanized driver pushes a bass-forward sound signature. Kick drums hit harder. Sub-bass rumbles deeper. This makes the T300 a natural fit for bass lovers who listen to hip-hop, EDM, and pop.

If you want clarity across all frequencies, the Sudio C8 is the better pick. If you want thumping bass that brings energy to every track, the Realme Buds T300 wins. Neither earbud supports high-resolution codecs like LDAC or aptX, so audiophiles may want to look elsewhere. For casual listeners, both sound very good at their respective price points.

Active Noise Cancellation: How They Compare

Both earbuds feature active noise cancellation, but they execute it differently. The Sudio C8 uses ANC to reduce general ambient noise. It works well in moderately noisy environments like offices, cafes, and public transport. The ANC does not completely eliminate loud sounds, but it reduces them enough for a focused listening experience.

The Realme Buds T300 advertises 30dB noise reduction, which is a specific measurement that gives buyers a clearer expectation. In practice, the T300’s ANC handles low-frequency noise like airplane engines and air conditioners quite effectively. High-pitched sounds still leak through, as is common with budget ANC earbuds.

Both earbuds also offer a transparency mode that lets ambient sound in. This is useful for quick conversations or staying aware of your surroundings while walking. Overall, the Realme Buds T300 has a slight edge in ANC performance because of its measurable 30dB noise reduction. The Sudio C8’s ANC is decent but less aggressive.

Battery Life and Charging

Battery life is where the Realme Buds T300 pulls ahead significantly. The T300 offers up to 7 hours on a single earbud charge and 40 hours total with the charging case. That is enough to last an entire work week for most people without reaching for a charger.

The Sudio C8 provides up to 6 hours per earbud charge and 30 hours total with the case. This is still a solid number. Most users will get through two or three days of regular use before needing to recharge.

The T300 also has a fast-charging feature. Just 10 minutes of charging gives you 7 hours of playback. This is extremely convenient for people who forget to charge their earbuds overnight. The Sudio C8 does not offer a comparable fast-charge feature. Both earbuds use USB-C for charging. If battery life is your top priority, the Realme Buds T300 is the clear winner in this category.

Design and Build Quality

The Sudio C8 stands out with its minimalist Scandinavian design. The earbuds look premium and feel refined. Sudio uses recycled plastics in the construction, which appeals to eco-conscious buyers. The charging case is small, lightweight, and slips easily into a pocket or bag. The overall aesthetic is clean and understated.

The Realme Buds T300 has a more conventional design. It looks good but does not carry the same premium feel as the Sudio C8. The plastic body is functional and lightweight. Realme offers the T300 in multiple color options, which adds some personality. However, the materials feel a bit more budget-oriented to the touch.

Both earbuds use an in-ear design with silicone ear tips. The Sudio C8 fits snugly and feels comfortable for long listening sessions. The Realme T300 also fits well, though some users report needing to try different ear tip sizes for the best seal. Design-wise, Sudio takes this round with its superior aesthetics and eco-friendly materials.

Comfort and Fit

Comfort matters a lot if you wear earbuds for hours at a time. The Sudio C8 is lightweight and the in-ear design sits flush with the ear canal. Sudio includes multiple ear tip sizes so you can find the right fit. Users consistently praise the C8 for its comfortable long-wear experience. The earbuds do not stick out far from the ear, which reduces fatigue.

The Realme Buds T300 is also comfortable for most ear shapes. The stem design helps distribute weight, and the silicone tips create a good seal. However, the T300 sits slightly deeper in the ear canal, which some users find less comfortable over extended periods.

Both earbuds are good choices for daily commutes, gym sessions, and work-from-home setups. If you have smaller ears or prefer a shallow, gentle fit, the Sudio C8 may feel better. If you prefer a deeper, more secure fit, the Realme Buds T300 could be your match.

Bluetooth Connectivity and Codec Support

Both earbuds use Bluetooth 5.3, which is the current standard for reliable, low-energy wireless connections. You can expect stable pairing with most smartphones, tablets, and laptops from both products. Bluetooth 5.3 also brings improved range and fewer connection drops compared to older versions.

The Sudio C8 supports the AAC codec. AAC delivers good sound quality on both Android and iOS devices. However, it does not support aptX or LDAC, which limits the audio resolution ceiling.

The Realme Buds T300 supports both AAC and SBC codecs. SBC is the universal baseline codec. The T300 also features a 50ms low-latency mode, which is specifically useful for mobile gaming and video watching. This low-latency feature reduces audio delay, keeping sound in sync with on-screen action. If you game on your phone, the T300 has a clear advantage here.

Water and Dust Resistance

Protection from sweat and water is essential for earbuds used during workouts. The Sudio C8 carries an IPX4 rating. This means it can handle splashes and sweat from any direction. It is safe for gym sessions and light rain. However, it should not be submerged in water.

The Realme Buds T300 goes a step further with IP55 protection. This rating covers both dust and water jets. The T300 can handle heavier sweat, rain, and dusty environments better than the C8. For runners, cyclists, or anyone who exercises outdoors frequently, the Realme T300 offers more peace of mind.

If your earbuds stay mostly indoors or face light sweat, IPX4 is perfectly fine. But if you need tougher protection, the IP55 rating of the Realme Buds T300 gives it the edge in this department.

Call Quality and Microphone Performance

The Sudio C8 delivers crisp, clear call quality. The built-in microphones pick up your voice well in quiet environments. In noisier settings, the ANC helps reduce background sounds during calls. However, very windy or loud conditions can still affect clarity on the other end.

The Realme Buds T300 features AI-powered noise cancellation for calls. This technology identifies and reduces background noise so the person on the other end hears your voice more clearly. The dual-microphone setup on each earbud helps capture your voice accurately.

For everyday phone calls and video meetings, both earbuds perform adequately. The Realme T300’s AI-based noise reduction for calls gives it a slight advantage in noisy environments. The Sudio C8 performs best in quieter spaces. Neither earbud replaces a dedicated headset for professional calls, but both handle casual and work calls just fine.

Extra Features and Smart Controls

The Sudio C8 keeps things simple. It offers touch controls on the earbuds for play, pause, skip, and volume adjustments. The controls are responsive, and the learning curve is short. Sudio does not include a companion app, which means you cannot customize the EQ or touch controls. Some users find this limiting.

The Realme Buds T300 offers more features out of the box. You get 360-degree spatial audio, which creates a wider, more immersive soundstage. The 50ms low-latency gaming mode is activated through touch controls. Realme also provides a companion app that lets you adjust ANC levels, change EQ settings, and update firmware.

The app support is a big differentiator. Users who like to fine-tune their audio experience will appreciate the Realme T300’s extra flexibility. Users who prefer a plug-and-play experience with no app needed will enjoy the simplicity of the Sudio C8.

Price and Value for Money

Both earbuds sit in the budget to mid-range price category. The Sudio C8 is priced slightly higher, reflecting its Scandinavian design heritage and premium build quality. You pay a bit more for aesthetics and brand identity.

The Realme Buds T300 offers aggressive pricing with more features packed in. You get longer battery life, IP55 protection, spatial audio, a gaming mode, and app support. Feature-for-feature, the T300 delivers more bang for your buck.

However, value is subjective. If you care about design, sustainability, and brand prestige, the Sudio C8 justifies its price. If you want maximum features at the lowest possible cost, the Realme Buds T300 is hard to beat. Both earbuds represent strong value in their segment.

Final Verdict: Which Should You Buy?

The Sudio C8 is the right choice if you value clean design, balanced sound, and a comfortable fit. It is perfect for listeners who enjoy neutral audio and want earbuds that look great with any outfit. The Scandinavian aesthetic and eco-friendly materials are genuine selling points.

The Realme Buds T300 is the right choice if you want maximum features, longer battery life, and bass-heavy sound. It is ideal for gamers, fitness enthusiasts, and budget-conscious buyers. The fast charging, IP55 rating, and companion app add serious convenience.

Neither earbud is a bad choice. Your decision should come down to what matters most to you. Pick the Sudio C8 for style and balance. Pick the Realme Buds T300 for features and endurance.

Frequently Asked Questions

Is the Sudio C8 good for phone calls?

Yes, the Sudio C8 handles phone calls well in quiet to moderately noisy environments. The built-in microphones pick up your voice clearly. In very loud settings, call quality may drop slightly. For everyday calls and video meetings, the C8 performs reliably.

Does the Realme Buds T300 support wireless charging?

No, the Realme Buds T300 does not support wireless charging. It charges through a USB-C cable. However, the fast-charge feature gives you 7 hours of playback from just 10 minutes of charging, which partially offsets the lack of wireless charging.

Can I use the Sudio C8 for running and workouts?

Yes, the Sudio C8 has an IPX4 water resistance rating that protects against sweat and splashes. The in-ear fit stays secure during movement. For intense outdoor workouts or heavy rain, the Realme Buds T300 with IP55 protection may be a safer option.

Which earbuds have better noise cancellation, Sudio C8 or Realme Buds T300?

The Realme Buds T300 offers slightly stronger ANC with a measured 30dB noise reduction. The Sudio C8’s ANC is decent and reduces ambient noise effectively, but it is less aggressive. For busy commutes or noisy offices, the T300 has a small advantage.

Do the Realme Buds T300 work with iPhones?

Yes, the Realme Buds T300 works with iPhones through Bluetooth 5.3. They support the AAC codec, which is the preferred codec for Apple devices. All basic functions like playback controls and ANC work on iOS. Some app features may have limited functionality on iPhones compared to Android.

How long do the Sudio C8 earbuds last on a single charge?

The Sudio C8 lasts up to 6 hours on a single earbud charge. The charging case provides additional charges for a total of 30 hours of combined playback. This is enough for most users to get through two to three days of regular listening.