Infinix Zero 40 5G Review – 144Hz AMOLED & 108MP Camera Tested

Introduction to Infinix Zero 40 5G

If you’ve been keeping an eye on the mid-range smartphone market, the Infinix Zero 40 5G is one device that’s genuinely hard to ignore. Launched as one of Infinix’s most ambitious releases in recent memory, this phone punches well above its price tag, offering a stunning 144Hz AMOLED display and a 108MP main camera in a package that targets everyday users, content creators, and mobile gamers alike.

The Infinix Zero 40 5G review story is essentially about how much you can get for your money in 2024. Infinix — a brand under the Transsion Holdings umbrella — has been steadily climbing the quality ladder, and the Zero 40 5G represents their clearest statement yet: premium features don’t have to cost premium prices.

Whether you’re a student looking for a reliable daily driver, a casual gamer who wants smooth performance without spending a fortune, or a photography enthusiast chasing detailed shots on a budget, the Zero 40 5G is built with you in mind. Let’s dig into everything this phone has to offer.

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Infinix Zero 40 5G Design and Build Quality

First impressions matter, and the Infinix Zero 40 5G design makes a strong one. The phone features a sleek, modern aesthetic that leans heavily into the premium mid-range look. The rear panel uses a curved glass-like finish (depending on the color variant) that catches light beautifully and gives the device a sense of depth that’s usually reserved for more expensive handsets.

The camera module on the back is a large, circular island — bold and confident in its placement. It’s a design choice that signals “this phone takes photography seriously,” and that message lands clearly.

In terms of dimensions, the Zero 40 5G is slim and comfortable to hold. At approximately 8mm thin and weighing around 195g, it doesn’t feel like a burden in your pocket or your hand. The curved edges on the sides help with grip, reducing the slippery feel that plagues many flat-edged phones.

Color options include vibrant choices like Starfall Green, Silvery Moon, and Rock Black — each with its own personality. The green and silver options have a reflective, almost iridescent quality that shifts subtly in different lighting conditions. It’s the kind of finish that makes people ask, “Is that a new phone?”

The frame is polished and sturdy, with the volume rocker and power button positioned on the right side at natural thumb-reach height. The USB Type-C port sits at the bottom, flanked by a single speaker grille and a SIM card tray that supports dual nano-SIM slots.

Build quality overall feels solid. There’s no flex in the chassis, and the buttons have a satisfying click to them. This is a phone that feels good to use — and that matters more than specs alone.

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144Hz AMOLED Display Experience

The display is where the Infinix Zero 40 5G AMOLED experience truly shines — and it shines bright, literally. The phone sports a 6.78-inch FHD+ AMOLED panel with a 144Hz refresh rate, which is genuinely impressive at this price point.

AMOLED technology brings with it the classic benefits: deep blacks, vibrant colors, and excellent contrast ratios. The Zero 40 5G’s screen delivers punchy, saturated colors that make photos, videos, and games look fantastic. Streaming content on this display is a genuine pleasure — colors pop without looking oversaturated, and dark scenes retain detail rather than becoming muddy grey smears.

The Infinix Zero 40 5G 144Hz refresh rate is a standout spec. Most phones in this segment offer 90Hz or 120Hz at best. Going to 144Hz means UI animations are buttery smooth, scrolling through social media feels effortless, and gaming responsiveness gets a meaningful boost. The difference between 120Hz and 144Hz might be subtle in everyday use, but combined with 5G speeds and a capable processor, it contributes to an overall experience that feels genuinely fast.

Peak brightness is rated at up to 1300 nits, which means outdoor visibility is solid. You won’t be squinting at your screen on a sunny day — content remains readable and clear even under direct sunlight.

HDR support adds another layer of quality when watching compatible content. The display can handle HDR10 content with expanded dynamic range, making supported videos look richer and more detailed.

The in-display fingerprint sensor is fast and accurate — unlocking in under a second in most conditions. The front camera sits in a centered punch-hole cutout that’s small and unobtrusive, maintaining the immersive feel of the display.

Display Summary:

Performance and Dimensity Chipset

Under the hood, the Infinix Zero 40 5G Dimensity chipset story is a compelling one. The phone is powered by the MediaTek Dimensity 8200 Ultimate — a 4nm processor that delivers flagship-adjacent performance in a mid-range package.

The Dimensity 8200 Ultimate features an octa-core CPU configuration with a prime core clocked at up to 3.1GHz. This gives the Zero 40 5G genuine muscle for demanding tasks — heavy multitasking, video editing, high-resolution gaming, and running multiple apps simultaneously all feel smooth and responsive.

RAM options include 12GB LPDDR5 with the option for virtual RAM expansion (up to an additional 12GB borrowed from internal storage), bringing the effective RAM to 24GB in supported scenarios. Storage comes in 256GB UFS 3.1 configuration, which is fast for reading and writing data — apps load quickly, and large file transfers are handled efficiently.

In benchmark terms, the Dimensity 8200 Ultimate scores impressively for its class. AnTuTu scores typically land around the 800,000–850,000 range, which places it well above many competitors in the same price bracket.

Thermal management is handled reasonably well. Infinix has implemented a multi-layer cooling system that helps distribute heat during extended sessions. The phone does warm up during intensive tasks, but it doesn’t throttle aggressively — performance remains consistent even after prolonged use.

Daily multitasking is where most users will spend most of their time, and here the Zero 40 5G is simply excellent. Switching between apps, running background processes, browsing while music plays — it all flows without hesitation. This is a phone that keeps pace with your day without complaint.

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Gaming Performance Test

For the gaming crowd, the Infinix Zero 40 5G gaming performance is one of its biggest selling points — and it largely delivers. Paired with the Dimensity 8200 Ultimate’s Mali-G610 GPU and the 144Hz display, gaming on this device is genuinely enjoyable.

PUBG Mobile runs at Ultra HD graphics with HDR and Ultra Frame Rate settings enabled. Frame stability is strong — you’ll typically see 60fps maintained without significant drops during intense combat sequences. The 144Hz display means touch response is snappy and precise, giving you a competitive edge in aiming and movement.

Call of Duty: Mobile performs similarly well. At Very High graphics, the game runs smoothly with consistent frame delivery. Explosions, crowd effects, and complex environments don’t cause the kind of stuttering you might see on less capable hardware.

Genshin Impact, one of the most demanding mobile games available, runs at Medium-High settings with stable performance. It’s not perfect — there are occasional frame dips in highly populated areas — but overall playability is excellent for a device in this price range.

Heat management during gaming is adequate. After 30–40 minutes of continuous gaming, the back of the phone gets noticeably warm around the upper-middle section, but it doesn’t become uncomfortable to hold. Infinix’s gaming mode (accessible through the GT Mode toggle) helps optimize resource allocation during gameplay, reducing background interruptions and boosting CPU/GPU prioritization.

The stereo speaker setup (though one speaker fires from the earpiece) provides decent spatial audio for gaming — directional sound cues are distinguishable, which matters in battle royale games.

Gaming Performance Overview:

108MP Camera Features and Results

Photography is a headline feature, and the Infinix Zero 40 5G camera system earns most of its attention honestly. The primary sensor is a 108MP wide-angle camera with an f/1.75 aperture, capable of capturing impressive detail in the right conditions.

Daytime photography is genuinely strong. Full 108MP shots reveal a remarkable amount of detail — zooming into an image post-capture shows textures, patterns, and fine lines that lower-resolution sensors simply can’t resolve. Colors are rendered naturally with a slight warmth that most users tend to prefer. Dynamic range is handled well, with highlights and shadows both retaining detail in challenging scenes.

Night photography is where many mid-range phones stumble, but the Zero 40 5G does a creditable job. The dedicated Night Mode uses multi-frame processing and AI noise reduction to produce clean, reasonably bright low-light shots. There’s still some loss of fine detail compared to flagship night photography, but the results are usable and often impressive for the class.

Portrait mode produces pleasing results with accurate edge detection. Background blur (bokeh) is applied convincingly, and subject separation is reliable in good lighting. In tricky scenarios — hair against complex backgrounds, for instance — the software occasionally struggles, but this is a challenge for most phones regardless of price.

Video capabilities include 4K recording at 30fps and 1080p at 60fps. Stabilization is handled via software EIS, and while it’s not OIS-level smoothness, it does a good job reducing handheld shake for everyday shooting. Video quality is solid — colors are accurate, and detail is good in well-lit conditions.

The front camera is a 50MP selfie shooter — a genuinely capable sensor for video calls, social content, and portrait selfies. It handles skin tones well and applies a tasteful level of AI beautification by default (adjustable in settings).

AI camera features include scene recognition, AI color enhancement, and smart HDR. These work in the background without requiring manual intervention, and they generally improve results rather than overcooking them.

Camera System Specs:

Battery Life and Charging Speed

The Infinix Zero 40 5G battery life is built around a 5000mAh cell — a capacity that’s become the gold standard for mid-range phones, and for good reason. Paired with the power-efficient Dimensity 8200 Ultimate and an intelligent adaptive refresh rate system, the Zero 40 5G delivers reliable endurance.

In real-world mixed usage — social media, YouTube, messaging, occasional gaming, and calls — the phone comfortably reaches the end of a full day on a single charge. For lighter users, stretching into a second day is realistic. Screen-on time typically lands between 7 to 9 hours depending on brightness settings and content type.

Gaming is the most battery-intensive activity, and an hour of intensive gameplay drains roughly 15–18% of the battery. That means you can get around 5–6 hours of continuous gaming before needing a charge — very respectable.

Fast charging is handled by 45W wired charging, which can take the battery from 0 to approximately 70% in around 45 minutes, and fully charge in roughly 75–80 minutes. This is a practical charging speed — plug in during lunch or while getting ready in the morning and you’re set for the day.

There’s no wireless charging support, which is a trade-off at this price point and something to note if that’s a feature you rely on. However, the 45W wired speed does a good job compensating for that absence.

Power efficiency is boosted by Infinix’s AI power management, which learns your usage habits over time and adjusts background app behavior accordingly. Apps you rarely use in the background are restricted automatically, extending standby time meaningfully.

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Software and User Experience

The Infinix Zero 40 5G specs on the software side are anchored by Android 14 running under Infinix’s XOS 14 skin. XOS has matured considerably over the years, and the version on the Zero 40 5G feels polished and feature-rich without being overwhelming.

The interface is clean and customizable. You can switch between different home screen layouts, icon styles, and theme configurations. There’s a wide selection of wallpapers, fonts, and accent colors built in, and additional options are available through the theme store.

AI-powered features are woven throughout the experience. These include an AI writing assistant, AI-powered image enhancement in the gallery, and an intelligent suggestion engine that surfaces relevant apps and actions based on time, location, and usage patterns. These features work quietly in the background and add genuine utility without requiring manual setup.

XOS-specific features include:

• Smart Panel: a slide-out panel for quick app access
• Kids Space: a dedicated child-friendly mode
• Clone Phone: easy device migration
• Ultra Game Mode: gaming-specific optimizations
• Smart Gestures: for navigation shortcuts

Bloatware is present — as it is on most Infinix devices — but the amount is manageable. A handful of pre-installed third-party apps can be uninstalled if they’re not needed.

On the update front, Infinix has committed to 2 years of Android OS updates and 3 years of security patches for the Zero 40 5G. This is not quite the update longevity of Samsung or Google’s flagship lines, but it’s a reasonable commitment for the price tier.

Daily usability is smooth and pleasant. The combination of fast hardware, a fluid display, and a well-optimized software layer means the Zero 40 5G rarely gives you reason to pause and wait.

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Price and Competitor Comparison

The Infinix Zero 40 5G price sits in an attractive window that makes it genuinely competitive. Global pricing typically ranges from approximately $220 to $270 USD depending on the region and retailer, with regional variations in markets across Asia, Africa, the Middle East, and parts of Europe.

At this price, the Zero 40 5G faces competition from some very capable devices. Here’s how it stacks up:

The Zero 40 5G’s advantage is clear: it offers the highest refresh rate display in its class, a strong chipset, and a competitive camera at a price that often undercuts its rivals. Where it gives ground is in camera versatility (no periscope zoom) and the update longevity. For pure value per dollar, it’s extremely hard to beat.

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Final Verdict

After spending thorough time with this device, the Infinix Zero 40 5G review conclusion is one of genuine admiration for what Infinix has achieved here. This is a phone that was clearly built with a clear purpose: deliver a near-premium experience at a mid-range price, and do it without cutting corners in the areas users care most about.

What works brilliantly:

• The 144Hz AMOLED display is among the best in its price class — smooth, bright, and vivid
• The Dimensity 8200 Ultimate delivers consistently strong performance across all use cases
• The 108MP camera produces detailed, natural-looking photos that go beyond what you’d typically expect at this price
• Battery life is reliable and fast charging is practical
• The design and build quality feel genuinely premium

Where there’s room to improve:

• No wireless charging
• Bloatware out of the box requires some cleanup
• Camera versatility (no telephoto/periscope lens) is limited compared to some rivals
• Software update commitment could be longer

Best suited for: Students, young professionals, content consumers, casual to moderate gamers, and photography enthusiasts who want strong image quality without spending on a flagship.

Verdict Score: 8.2 / 10

The Infinix Zero 40 5G specs package — Dimensity 8200 Ultimate, 144Hz AMOLED, 108MP camera, 5000mAh battery with 45W charging — represents excellent value. If your budget sits in the $230–$270 range and you want a phone that performs, looks great, and takes solid photos, the Infinix Zero 40 5G belongs at the top of your shortlist.

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🇺🇸 English
“Excellent review of the Infinix Zero 40 5G. The article is detailed, easy to read, and the camera analysis was surprisingly useful. BestChinaGadget always posts fresh tech news faster than many big sites.”
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🇪🇸 Español
“Muy buen artículo sobre el Infinix Zero 40 5G. Me gustó especialmente la explicación de la pantalla AMOLED de 144Hz y el diseño premium del teléfono. El sitio tiene noticias tecnológicas muy interesantes.”
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🇸🇦 العربية
“مراجعة رائعة لهاتف Infinix Zero 40 5G. الموقع يقدم تفاصيل دقيقة وصور ممتازة للمنتجات الجديدة. أعجبني شرح الكاميرا والأداء بشكل احترافي.”
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🇨🇳 中文
“这篇 Infinix Zero 40 5G 评测非常专业，内容清晰，详细介绍了 144Hz AMOLED 屏幕和 108MP 相机。我经常在 BestChinaGadget 查看最新中国科技产品新闻。”
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🇫🇷 Français
“Très bon test du Infinix Zero 40 5G. Les informations sont précises et faciles à comprendre. J’apprécie particulièrement les comparaisons techniques et les photos réelles du produit.”
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🇩🇪 Deutsch
“Fantastischer Artikel über das Infinix Zero 40 5G. Die Beschreibung der Kamera und des 144Hz AMOLED-Displays war sehr hilfreich. BestChinaGadget ist eine großartige Quelle für aktuelle chinesische Technik.”
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