Soundcore P31i vs Soundcore Space A40: Which Wireless Earbuds Should You Buy?

Based on the provided scores, Space A40 has a small edge in usability (81 vs 78) and a much stronger setup score (88 vs 72). Review feedback supports this: A40 owners frequently describe pairing and app setup as straightforward, while P31i owners more often mention that initial connectivity can be finicky until the app is installed and firmware is updated.

Control-wise, P31i uses touch controls and some users mention accidental presses when adjusting fit. Space A40 reviews emphasize customizable touch controls via the app, and one long review notes the touch behavior can be easier to live with because it’s less prone to accidental activation while repositioning.

Space A40 is explicitly marketed as smaller and ergonomic, and many customers report it’s comfortable for long sessions. It also scores slightly higher on design (79 vs 76) and portability (91 vs 88) in the provided scoring.

P31i has positive comfort feedback as well, and includes multiple ear tip sizes (XS to L) which can help. Still, both products have mixed fit/retention reports, so the “better” design often comes down to your ear shape and whether you can achieve a consistent seal.

Neither product provides premium material claims in the provided specs (both list plastic enclosures). The provided build-quality scores are close, with Space A40 slightly higher (74 vs 72).

Review summaries for both mention mixed fit, but P31i also has specific feedback about the case feeling slick and concern that the lid may not handle hard hits. Space A40’s biggest “quality” concern shows up less as finish and more as reliability over time in customer feedback.

Durability is close in the provided scores, with P31i at 70 and Space A40 at 68. P31i’s reviews include at least one anecdote of surviving an accidental drop into water, but that’s not a guarantee for all users.

For Space A40, durability concerns show up more as longer-term reliability and unit-to-unit variation in some feedback. For both, durability will depend on how securely the earbuds fit (to avoid drops), how the case is handled, and whether you use them in harsher environments.

Both are portable true wireless earbuds, but the provided score data gives Space A40 a higher portability score (91 vs 88). The A40 is also positioned as smaller and lighter than other Soundcore ANC models.

P31i remains travel-friendly and adds an IP55 rating (listed), which can be helpful for commuting and workouts. If your priority is “smallest and easiest to carry,” Space A40 has the edge; if your priority is “portable with extra features,” P31i is compelling.

P31i stands out on features by adding real-time AI translation (100+ languages) alongside adaptive ANC, spatial audio (listed), and fast charging. It also emphasizes call performance with 6 AI-enhanced mics and wind-noise reduction.

Space A40 counters with two features that many people use every day: wireless charging and multipoint. Reviews also point to deep app customization (EQ profiles, hearing-test tuning, and configurable touch controls). If your “must-have” list includes multipoint or wireless charging, A40 has the clearer advantage; if translation matters, P31i is the only one that offers it in the provided data.

The provided scoring favors Space A40 for app experience (83 vs 76). Reviews for A40 repeatedly describe extensive EQ control, hearing-test-driven profiles, and control customization. P31i also uses the Soundcore app for features and firmware, and at least one review notes that completing that setup is important for a good connectivity experience.

If you like to fine-tune sound and controls, both work—but A40 appears to deliver a stronger app experience based on the provided scores and review emphasis.

P31i is the clear winner for smart features in the provided scoring (82 vs 72) because it includes real-time AI translation and positions its ANC as real-time adaptive. Some reviews mention translation works but may require registration and can be tricky.

Space A40 focuses smart functionality more on app-driven personalization (EQ, hearing test, fit test mentioned in reviews) rather than utility features like translation.

Space A40 is the easier pick for setup in the provided scoring (88 vs 72). Multiple A40 reviews describe pairing and app onboarding as easy, with some minor “remove sticker” first-use steps.

P31i can require more patience initially; reviews mention that firmware updating through the app can resolve early connection frustrations. If you’re buying for someone who doesn’t want to troubleshoot, Space A40 is likely the smoother start.

Both are wireless Bluetooth earbuds compatible with common devices like phones and laptops, and both rely on the Soundcore app for deeper tuning features. P31i lists compatibility with cellphones, laptops, and tablets. Space A40 lists compatibility with devices that have Bluetooth 5.2 and a USB‑C port.

If you specifically want a two-device workflow, Space A40’s listed multipoint feature is the most concrete compatibility advantage in the provided data.

Both models score very well for audio quality (P31i 90; Space A40 89) and both support LDAC/Hi‑Res playback with app EQ. P31i lists an 11 mm dynamic driver and a 20 Hz–40 kHz frequency range in the provided specs, while Space A40 lists a double-layer diaphragm driver design and a 20 Hz–20 kHz range.

In reviews, Space A40 is frequently praised for being extremely customizable via the Soundcore app (including hearing-test tuning and multiple EQ profiles). P31i reviews also praise sound clarity and bass, with some noting it may not match more expensive earbuds—but is excellent for the price.

P31i lists Bluetooth 6.1, while Space A40 lists Bluetooth 5.2 and a 15 m range. More importantly for daily use, Space A40 explicitly lists multipoint connection, which can be a major convenience if you swap between a laptop and phone.

On real-world stability, P31i has mixed connectivity feedback (some early pairing/connection complaints), while Space A40’s review summary highlights more about long-term reliability than initial pairing. If multipoint is a must, Space A40 is the safer choice based on the listing.

Both earbuds advertise up to 10 hours on a single charge and up to 50 hours with the case. P31i also specifies 8 hours per charge with ANC on and 40 hours total with ANC. In the provided scoring, P31i is the stronger battery performer.

For quick top-ups, Space A40 lists 4 hours from 10 minutes, while P31i lists 3.5 hours. If you care most about maximizing total runtime and battery scoring, P31i leads; if you care about wireless charging convenience, Space A40 has the edge.

Based on the provided scores, P31i rates higher for power efficiency (84 vs 77), which aligns with its stronger battery-life scoring. Both products advertise long runtimes and fast charging.

If you expect long days without charging opportunities, P31i’s battery and efficiency scoring suggests fewer interruptions. If you already use a wireless charging pad daily, Space A40’s charging convenience may matter more than the efficiency score difference.

Both earbuds are positioned as strong value buys, and both have review summaries that emphasize “good value for money.” In the provided score data, P31i leads for value (95 vs 90) and also has a higher customer satisfaction score.

Space A40 can still be excellent value if you specifically need wireless charging and multipoint, since those features can reduce daily friction. The trade-off is that the provided data flags more reliability risk for A40, which can affect long-term value.

Both products are from Soundcore (Anker), and brand trust scores are close in the provided data (P31i 84; Space A40 82). Several Space A40 reviews mention positive experiences with support offering replacements or refunds when issues occur, though experiences vary by location and logistics.

If you mainly judge brand trust by consistency and lower reported failure risk, P31i’s higher reliability score supports slightly higher confidence. If you value established popularity and a long review history, Space A40’s large review volume can be reassuring.

In your provided Amazon data, P31i has a higher average rating (4.5/5) with 3,859 reviews, while Space A40 sits at 4.2/5 with a much larger 23,600 reviews. The provided scoring also reflects this: customer satisfaction is higher for P31i.

Both have similar recurring themes—good sound, effective ANC, and strong battery—plus mixed fit. The notable difference is Space A40’s higher volume of reliability complaints in the aggregated summary.