The Infinix Zero 40 and Infinix Zero 40 5G represent Infinix's robust offering in the competitive mid-range smartphone market, particularly aimed at users who prioritize exceptional camera capabilities, immersive display technology, and reliable performance.
Design and Build: A Touch of Premium in the Mid-Range
Both the Infinix Zero 40 and Infinix Zero 40 5G exude a sense of premium craftsmanship, challenging perceptions of mid-range device aesthetics. Their defining feature is the 3D-curved AMOLED display, which gracefully cascades into the phone's frame.
The construction typically involves a glass front, protected by Corning Gorilla Glass 5, a standard for durable display protection in this segment. The frame and back are generally constructed from high-quality plastic, often treated with various finishes—such as matte, textured, or vegan leather-like — to mimic more luxurious materials and resist fingerprints. This careful material selection strikes an excellent balance between durability, weight, and perceived premiumness.
In terms of physical dimensions and weight, the two models are remarkably similar, ensuring a consistent in-hand feel across the series:
- Infinix Zero 40 5G: Measures 164.31 x 74.47 x 7.9mm and weighs approximately 195g.
- Infinix Zero 40 (4G): Measures 164.31 x 74.6 x 7.7mm and weighs approximately 180g.
The slight variances in thickness and weight are almost imperceptible during everyday use, contributing to a consistently sleek profile.
Both devices boast an IP54 rating for dust and splash resistance. While not designed for submersion, this rating provides a valuable layer of protection against everyday environmental hazards like light rain, accidental spills, and dust ingress, enhancing the phone's longevity and reliability.
A hallmark of the Infinix Zero series is its distinctive camera module design on the rear. This arrangement, often an enlarged, prominent rectangle or square with large lens cutouts, isn't just functional but also serves as a bold aesthetic statement, instantly identifying the phone as part of Infinix's camera-centric Zero line. The available color palettes are typically diverse and visually appealing, with the 5G model often seen in sophisticated shades like Rock Black, Violet Garden, and Moving Titanium, while the 4G variant might offer more vibrant options such as Misty Aqua, Rock Black, and Blossom Glow, appealing to varied tastes.
Display: A Feast for the Eyes with High Refresh Rates
The display is a cornerstone feature for both the Infinix Zero 40 and Zero 40 5G, providing an exceptionally vibrant and fluid visual experience that significantly enhances user interaction, from casual Browse to intense gaming. Both models feature a sprawling 6.78-inch Flexible AMOLED display, renowned for its deep blacks, infinite contrast, and vivid color reproduction.
However, a critical distinction lies in their refresh rate capabilities, directly impacting the smoothness of the user interface and content:
- Infinix Zero 40 5G: Elevates the experience with a blazing-fast 144Hz adaptive refresh rate. This higher refresh rate results in incredibly fluid scrolling, silky-smooth animations, and a distinct competitive advantage in supported games, where every frame counts.
- Infinix Zero 40 (4G): While slightly lower, still offers an excellent 120Hz refresh rate. This is more than sufficient for a remarkably smooth experience in most applications and games, offering a significant upgrade over standard 60Hz panels.
Beyond refresh rates, both displays share an impressive array of advanced features that contribute to their outstanding visual quality:
- Peak Brightness: A remarkable 1300 nits in High Brightness Mode (HBM) ensures exceptional outdoor visibility, allowing users to comfortably view content even under harsh sunlight.
The high peak brightness also contributes to a more impactful HDR viewing experience, although specific HDR content support might vary. - High Contrast Ratio: A staggering 10,000,000:1 contrast ratio delivers true blacks and brilliant whites, making images and videos pop with incredible depth and clarity.
- Wide Color Gamut: Support for 100% DCI-P3 wide color gamut ensures accurate and vibrant color reproduction, critical for photo editing, professional content consumption, and an overall true-to-life visual experience.
- PWM Dimming: The integration of 2304Hz high-frequency Pulse Width Modulation (PWM) dimming is a significant health-conscious feature. This technology minimizes screen flickering at low brightness levels, thereby reducing eye strain and fatigue during prolonged usage, particularly in dimly lit environments.
- Touch Sampling Rate: Both models boast a high touch sampling rate, ensuring minimal input lag and ultra-responsive touch interactions.
The Zero 40 5G reportedly achieves an instantaneous touch sampling rate of up to 1500Hz and a regular touch sampling rate of 360Hz. The 4G model also typically features a 360Hz touch sampling rate. This responsiveness is vital for competitive mobile gaming, where precise and immediate input translates directly to in-game performance. - Display Protection: The reliance on Corning Gorilla Glass 5 for display protection reinforces the devices' durability, offering enhanced resistance against scratches and accidental drops.
Collectively, these display specifications position both Infinix Zero 40 models as leaders in their respective price segments for visual quality, with the 5G variant offering a marginal, yet noticeable, advantage in fluidity.
Performance: The Defining Distinction
The core difference and the primary reason for choosing between the Infinix Zero 40 and Zero 40 5G lies in their processing power and underlying hardware architecture. This impacts everything from gaming performance and app loading times to overall system responsiveness.
Infinix Zero 40 5G:
- Chipset: At the heart of the Zero 40 5G is the powerful MediaTek Dimensity 8200 Ultimate (4 nm).
This advanced manufacturing process contributes to better power efficiency and higher performance density. The octa-core CPU configuration is designed for demanding tasks: - 1x high-performance ARM Cortex-A78 core clocked at up to 3.1 GHz (often referred to as a "prime" core for peak tasks).
- 3x additional ARM Cortex-A78 cores at up to 3.0 GHz (for sustained high performance).
- 4x efficiency-focused ARM Cortex-A55 cores at up to 2.0 GHz (for everyday tasks and power saving).
- 1x high-performance ARM Cortex-A78 core clocked at up to 3.1 GHz (often referred to as a "prime" core for peak tasks).
- GPU: Graphics processing is handled by the robust Arm Mali-G610 MC6.
This GPU delivers excellent rendering capabilities, making it highly suitable for running graphically intensive games at high settings and frame rates, supporting the 144Hz display. - RAM: It is equipped with a generous 12GB of LPDDR5X RAM.
LPDDR5X is the latest and fastest mobile RAM standard, significantly improving data transfer speeds and overall multitasking efficiency. Infinix also implements a feature to expand RAM virtually by an additional 12GB (utilizing a portion of the storage), bringing the theoretical total to 24GB of "extended RAM." - Storage: For internal storage, the Zero 40 5G utilizes 256GB or 512GB of UFS 3.1.
UFS 3.1 offers substantially faster sequential and random read/write speeds compared to UFS 2.2, directly impacting app loading times, game installation, and file transfers. Importantly, there is no external card slot for storage expansion, so users must choose their storage variant carefully.
Infinix Zero 40 (4G):
- Chipset: The 4G variant is powered by the MediaTek Helio G100 (6 nm).
While a capable mid-range processor, it sits in a different performance tier compared to the Dimensity 8200 Ultimate. Its octa-core configuration includes: - 2x performance-oriented ARM Cortex-A76 cores at up to 2.2 GHz.
- 6x efficiency-focused ARM Cortex-A55 cores at up to 2.0 GHz.
- GPU: Graphics are managed by the Arm Mali-G57 MC2. This GPU is suitable for everyday graphics needs and most games at moderate settings but will show limitations when pushing high frame rates or ultra-settings in demanding titles.
- RAM: It comes with 8GB of LPDDR4X RAM. While still good for multitasking, LPDDR4X is a generation older and slower than LPDDR5X. It also supports RAM expansion up to 8GB, for a theoretical total of 16GB of "extended RAM."
- Storage: The internal storage is typically 256GB or 512GB of UFS 2.2.
While UFS 2.2 provides decent speeds for a mid-range phone, it is noticeably slower than UFS 3.1 found in the 5G model. Similar to its counterpart, there is no external card slot for expansion.
In essence, the Infinix Zero 40 5G is engineered for high-performance computing and future-proofing with its flagship-grade mid-range chipset, faster RAM, and storage.
Camera System: High-Resolution Imaging for Every Shot
Both Infinix Zero 40 models are designed with a strong emphasis on photography, featuring identical and highly capable camera setups that promise detailed and vibrant images across various scenarios.
Rear Camera Setup (Identical for both models):
- 108MP Main Camera: The primary shooter is a high-resolution 108-megapixel sensor (likely the ISOCELL HM6, with a large 1/1.67" sensor size).
It features a wide f/1.75 aperture, which allows for excellent light gathering, crucial for low-light performance and natural background blur. The inclusion of PDAF (Phase Detection Autofocus) ensures rapid and accurate focusing, while OIS (Optical Image Stabilization) is a critical feature that physically compensates for handshakes, leading to sharper photos and smoother videos, especially in challenging lighting conditions or when capturing motion. - 50MP Ultra-Wide-Angle Camera: This is a standout feature for the price segment. A highly capable 50-megapixel ultrawide lens (likely the ISOCELL JN1, with a 1/2.76" sensor size) boasts an f/2.0 aperture and a very wide 120-degree field of view.
Crucially, it also features PDAF, a premium addition for an ultrawide lens, which ensures that ultra-wide shots are sharp and well-focused, even in close-up scenarios where fixed-focus ultrawides typically struggle. This lens is excellent for expansive landscapes, architectural photography, and large group photos. - 2MP Depth Sensor: An f/2.4 depth sensor is included to assist in portrait mode.
It helps accurately map depth information, allowing for more precise subject-background separation and a more natural-looking bokeh (background blur) effect.
Front Camera (Identical for both models):
- 50MP Selfie Camera: For self-portraits and video calls, both devices feature a high-resolution 50-megapixel front-facing camera (also likely the ISOCELL JN1, 1/2.76" sensor size) with an f/2.45 aperture and PDAF.
This ensures incredibly detailed and sharp selfies, suitable for cropping or printing. Both models also benefit from a Dual Front Flash, providing soft, even illumination for selfies in dimly lit environments.
Video Recording Capabilities: This is another area where the models differ due to their chipsets:
- Infinix Zero 40 5G: Leverages the more powerful Dimensity 8200 Ultimate to support 4K video recording at both 60fps and 30fps for both the rear and front cameras. This is a significant advantage for content creators and users who demand high-quality video. It integrates gyro-EIS (Electronic Image Stabilization) alongside the OIS for ultra-stable video capture, especially when moving.
Infinix promotes features like "ProStable Video Capabilities" and "Front & Rear 4K Vlog," highlighting its video recording prowess. - Infinix Zero 40 (4G): Due to the Helio G100's limitations, it supports 2K video recording at 30fps and 1080p at 60fps or 30fps for the rear camera. The front camera, however, still manages 4K video recording at 30fps. It also features "ProStable Video Capabilities" and "Front & Rear 2K Vlog," though the maximum resolution for the rear camera is lower.
The Zero 40 5G clearly offers superior video recording versatility and quality, making it a better choice for aspiring mobile videographers.
Battery and Charging: Enduring Power and Rapid Replenishment
Both Infinix Zero 40 models prioritize long-lasting power and rapid charging, a crucial aspect for modern smartphone users. They are equipped with a substantial 5000mAh Li-Po battery, ensuring impressive endurance that can comfortably last a full day or even more with moderate usage.
When it comes to recharging, both devices offer highly competitive solutions:
- 45W Wired SuperCharge: Both models support 45W wired fast charging, allowing for rapid replenishment of the battery.
Infinix advertises that the Zero 40 5G can reach approximately 60% charge in just 25 minutes, while the Zero 40 (4G) can achieve around 50% charge in 25 minutes. These speeds significantly minimize downtime. - 20W Wireless Charging (Infinix Zero 40 5G only): A premium feature for this segment, the Zero 40 5G notably supports 20W wireless charging.
This adds immense convenience, allowing users to simply place their phone on a compatible charging pad without fumbling for cables. The Zero 40 (4G) does not support wireless charging. - 10W Reverse Wired Charging: Both models support 10W reverse wired charging, enabling them to act as a power bank to charge other compatible devices (e.g., earbuds, smartwatches) via a USB-C cable.
- Bypass Charging 2.0: A clever feature for gamers and heavy users, "Bypass Charging 2.0" allows the phone to directly draw power from the charger to the motherboard during intense activities like gaming or video streaming, bypassing the battery.
This reduces heat buildup within the device and helps to prolong the overall lifespan and health of the battery.
Software and Connectivity: A Modern Android Experience
Both Infinix Zero 40 models run on XOS 14.5, based on Android 14.
Connectivity options are mostly similar, with the crucial differentiator being the presence of 5G:
- Infinix Zero 40 5G: As its name suggests, this model supports 5G connectivity (both SA/NSA modes) across a wide array of bands, ensuring fast and future-proof cellular internet speeds.
It also features Wi-Fi 6E (802.11ax), the latest Wi-Fi standard providing ultra-fast and stable wireless internet connections, especially in congested environments. Other connectivity includes Bluetooth 5.3, NFC for contactless payments and quick pairing, and an infrared blaster (a useful feature for controlling home appliances). - Infinix Zero 40 (4G): This model supports 4G LTE, 3G, and 2G networks, offering reliable connectivity where 5G isn't available or necessary.
It features Wi-Fi 5 (802.11ac), which is still widely used and provides decent wireless speeds. Connectivity also includes Bluetooth 5.2, NFC (availability might be market-dependent), and an infrared blaster.
Both models include dual Nano SIM card slots, comprehensive GPS support (GPS, GLONASS, Galileo, Beidou), a USB Type-C 2.0 port with OTG (On-The-Go) functionality, and stereo speakers for an immersive audio experience.
Conclusion
The Infinix Zero 40 series effectively caters to a significant portion of the mid-range smartphone market, offering a compelling blend of design, display, camera prowess, and battery life. Both models present excellent value, but their distinct performance profiles make them suitable for different user segments.
The Infinix Zero 40 5G emerges as the more advanced and future-proof choice. Its significantly more powerful MediaTek Dimensity 8200 Ultimate chipset, coupled with a blazing 144Hz refresh rate display, faster UFS 3.1 storage, and LPDDR5X RAM, positions it as an ideal device for demanding mobile gamers, serious multitaskers, and content creators.
On the other hand, the Infinix Zero 40 (4G) presents remarkable value for its segment. While its MediaTek Helio G100 processor offers more modest performance compared to its 5G sibling, it remains perfectly capable for everyday usage, social media, media consumption, and casual gaming. It retains the stellar 108MP OIS main camera, the versatile 50MP ultrawide with AF, and the high-resolution 50MP selfie camera, making it an excellent choice for photography enthusiasts on a tighter budget.
In essence, both Infinix Zero 40 models showcase Infinix's strategic approach: democratizing high-end features and design elements for a broader audience, thereby offering compelling choices across different performance and price tiers within the mid-range segment.
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