Smartphones with 128 GB capacity are ideal for average users, as they allow storing photos, videos, and essential daily applications with good space reserve. In 2026, it is possible to find economical models from manufacturers such as Samsung, Xiaomi, and Motorola that offer this internal memory, along with features like high-definition screens and long-lasting batteries.
This compilation presents nine suggestions of devices with 128 GB, aimed at those who prioritize economy, functionality, and balanced specifications, catering to various budgets and usage profiles.
The Galaxy A36 is a notable mid-range device, equipped with the Snapdragon 6 Gen 3 processor and 6 GB of RAM in the 128 GB version. Although it uses the UFS 2.2 memory standard, which does not offer ultra-fast read speeds, it ensures smooth performance for daily tasks. This device features a Super AMOLED screen with a 120 Hz refresh rate, rear cameras with a 50 MP main sensor and optical stabilization (OIS), capable of recording in 4K at 30 fps. Samsung guarantees six years of Android updates support, extending it until 2031.
The Redmi Note 15 is a mid-range device focused on social media, streaming, and gaming. Its 128 GB version comes with 6 GB of RAM and uses the UFS 2.2 standard, allowing expansion via microSD card. The main camera features a 108-megapixel sensor and f/1.7 aperture, providing good images within the price range, although videos are limited to 1080p at 60 fps. A strong point of this model is its 6,000 mAh battery and 33W fast charging.
For basic tasks, the Galaxy A17 5G is an entry-level phone priced under R$ 1 thousand. It features a large Super AMOLED screen with a 90 Hz refresh rate, ideal for watching videos. With 128 GB of storage in the UFS 2.2 standard and microSD expansion capability, it has the Exynos 1330 processor, efficient at 5 nm, and a 5,000 mAh battery, offering autonomy for a day of moderate use.
The Galaxy A07 5G has a basic 6 nm processor but with good energy efficiency for calls and browsing. It offers 128 GB of UFS 2.2 internal memory and 4 GB of RAM, expandable via microSD. Its 6.7-inch PLS LCD screen facilitates content viewing but presents less vibrant colors than AMOLED screens. It stands out with a robust 6,000 mAh battery, which can last more than a day with common use.
The Galaxy A06 5G is a more economical alternative, presenting camera, screen, and processor specifications similar to the A07 5G, but at a lower cost. The difference lies in the battery, which has 5,000 mAh and shorter autonomy, and the update policy, which will only reach Android 19 in 2029.
Among Xiaomi models, the Redmi 15C 5G is one of the most affordable with 128 GB in 2026. It uses an efficient 6 nm processor and 4 GB of RAM, ensuring basic performance without freezing during daily use. The UFS 2.2 storage is expandable via microSD. Additionally, it has a 6,000 mAh battery and supports 33W fast charging.
The Poco C85 shares similarities with the Redmi 15C, using the MediaTek Dimensity 6300 processor (6 nm). However, this model is often found with 6 GB of RAM in the 128 GB version, which improves multitasking fluidity. It also has UFS 2.2 memory, a microSD slot, a 6,000 mAh battery, and 33W fast charging.
Motorola presents the Moto G35, an entry-level phone with a Unisoc T760 (6 nm) processor and 4 GB of RAM in the 128 GB version, using UFS 2.2 and a memory card slot. Its 6.72-inch IPS LCD screen offers high resolution, and the audio with Dolby Atmos certification contributes to immersion. The cameras include 50 MP (wide) and 8 MP (ultrawide) sensors, capable of recording videos in 4K at 30 fps. It is important to note that it was launched with Android 14 and will no longer receive system version updates, only security patches until 2027.
Motorola's cheapest option is the Moto G06, which has a less efficient processor (12 nm) and 4 GB of RAM. Although the company does not specify the storage standard, the MediaTek Helio G81 Ultra processor suggests it is eMMC 5.1, slower than UFS. This device is recommended only for simple activities, such as messaging and social browsing, as performance may be compromised in more demanding applications.
When deciding which 128 GB smartphone to purchase, it is crucial to analyze several components. The storage standard (UFS or eMMC) defines data transfer speed and app startup time. For gaming and heavy applications, it is recommended to prioritize models with at least 6 GB of RAM and efficient processors (6 nm lithography or lower). Media consumers should opt for AMOLED panels due to their superiority in color and contrast over LCD. Finally, batteries above 5,000 mAh and support for charging over 25 W ensure greater autonomy and faster recharging.
128 GB of space is sufficient for most users, supporting hundreds of applications, photos, and videos without overloading the system. However, the overall quality of the device depends on other factors such as the processor, RAM, cameras, and battery. Generally, after installing the operating system and pre-installed apps, the user will have between 100 GB and 112 GB free. Memory expansion via microSD card is common in entry-level and mid-range models, allowing media storage without filling up the main space. Meanwhile, the 256 GB version is advised for those who record in 4K or use very heavy games, but 128 GB models offer a great balance between price and usability.
The Samsung Galaxy A56 5G, presented as Samsung's latest premium mid-range device, is available on sale on Mercado Livre with a significant 43% discount. The price drops from R$ 3,999 to R$ 2,298.10, offering 256GB of storage, 8GB of RAM, a 6.7-inch Super AMOLED screen with a 120Hz refresh rate, a 50MP main camera, IP67 certification, and an Exynos 1580 octa-core processor.
The Samsung Galaxy A56 5G model (SM-A566EZAFLTP) belongs to Samsung's A series and features a robust configuration, including 256GB of memory, 8GB of RAM, and the Exynos 1580 octa-core processor running at 2.9GHz. It operates on Android 15 and One UI, presenting an elegant gray design with a premium finish.
The 6.7-inch screen is Super AMOLED, displaying content in Full HD+ (1080x2340) and ensuring exceptional fluidity thanks to 120Hz. In terms of durability, the device has IP67 certification, which ensures complete resistance against dust and submersion in fresh water for up to 30 minutes. For security, it includes a fingerprint reader and facial recognition.
The rear camera system consists of three lenses (50MP, 12MP, and 5MP), allowing for 4K video recording and a 10x digital zoom. The front camera records images at 12MP. Autonomy is provided by a 5,000mAh (5Ah) battery with fast charging support, designed to meet daily needs. Connectivity is comprehensive, covering 5G, Wi-Fi, Bluetooth, NFC, GPS, and USB-C, in addition to supporting Dual SIM (Nano-SIM and eSIM).
This smartphone is ideal for those looking for a Samsung premium mid-ranger capable of intensive use. The combination of 8GB of RAM and 256GB of storage is suitable for heavy social media use, photography, videos, and casual gaming without space or fluidity restrictions. Users focused on multimedia will benefit from the 6.7-inch Super AMOLED screen at 120Hz, which offers vivid colors and excellent fluidity.
For dynamic users, the IP67 certification, 5,000mAh battery, and fast charging provide peace of mind in daily situations, such as splashes or falls into shallow pools. However, the text warns that it is not recommended for those who already own flagship models like the Galaxy S22, S23, or S24, but it represents a considerable advancement for those using older A series models, such as the A32, A33, or A34.
With a 43% discount, the Galaxy A56 5G becomes extremely competitive, as similar specification models in the Brazilian market usually cost between R$ 2,500 and R$ 3,500. Sold for R$ 2,298.10, it is positioned in the basic mid-range segment but delivers a premium package, representing savings of over R$ 1,700 compared to the initial price.
Additionally, Samsung guarantees an extended update policy for the Galaxy A line. The device has ANATEL certification and is manufactured in Brazil, which facilitates a 12-month warranty directly with Samsung through its extensive national technical assistance network.
A Xiaomi smartphone with 512 GB capacity is ideal for users who need ample space to record high-definition videos, store heavy games, and keep large photo collections without worrying about running out of memory.
However, the mere amount of storage does not define the device's performance; it is crucial to evaluate the processor and RAM to understand its operational power. For those who prioritize photography, the specifications of sensors, lenses, and other available features must be observed.
This detailed guide examines the manufacturer's main devices that offer 512 GB of storage and are available in the Brazilian market, seeking a balance between performance, camera quality, battery life, and cost-benefit ratio.
The Xiaomi 17T is presented as the most sophisticated model from the brand officially marketed in Brazil. In addition to 512 GB in UFS 4.1 standard, it incorporates the powerful MediaTek Dimensity 8500 Ultra chip and a 6.59-inch AMOLED screen with a peak brightness of 3,500 nits. A strong point is the optical lenses developed in collaboration with Leica, including a 50 MP periscope camera with 5x optical zoom. Its silicon-carbon battery has 6,500 mAh and supports 67W charging.
The Poco X8 Pro is aimed at gamers and enthusiasts looking for maximum performance. It combines the Dimensity 8500 Ultra chipset with a 6,500 mAh battery and 100W HyperCharge ultra-fast charging, capable of reaching 100% in less than 50 minutes. Its metal chassis has IP68/IP69K certification against dust and water, and the 1.5K screen with a 120 Hz refresh rate ensures maximum fluidity.
The Xiaomi 15T remains a refined and well-balanced option. It is equipped with the Dimensity 8400 Ultra processor and a 6.83-inch AMOLED panel protected by Gorilla Glass 7i. The triple photographic system also bears the Leica stamp, featuring a 50 MP Light Fusion 800 main sensor that produces impressive night shots. This model has a 5,500 mAh battery and 67W charging.
For the mid-range audience, the Redmi Note 15 Pro offers 512 GB of storage and quality cameras at an affordable price. It stands out with a 200 MP main sensor with optical stabilization (OIS), preventing blurry photos. Although it uses the efficient Dimensity 7400-Ultra processor, its storage standard is UFS 2.2, which implies lower data transfer speeds than the others listed. Autonomy is guaranteed by a robust 6,580 mAh battery, displayed on a 1.5K CrystalRes AMOLED screen.
The Poco X7 Pro, launched in 2025, remains a smart choice for those seeking high performance, especially in promotions near R$ 2 thousand. This Xiaomi smartphone promises high performance with 512 GB of storage in UFS 4.0 standard, 12 GB of LPDDR5X RAM, and the MediaTek Dimensity 8400 Ultra chipset (4 nm). To sustain long gaming sessions or intensive multitasking without frame loss due to overheating, it integrates LiquidCool 3.0 liquid cooling technology with a generous vapor chamber.
The Poco X7 serves as the most competitive entry option for those requiring 512 GB, using the UFS 3.1 standard for fast transfers. It is powered by the MediaTek Dimensity 7300-Ultra chipset, which offers good energy efficiency and 5G network support. Visually, it is strong, featuring a 6.67-inch AMOLED screen with 1.5K resolution, 120 Hz refresh rate, and Dolby Vision support, reaching a maximum brightness of 3,000 nits. Its battery has 5,100 mAh and is compatible with 67W fast charging via USB-C.
The Poco M8 is the most economical Xiaomi model for those who do not want to give up 512 GB. It uses the UFS 2.2 memory standard and the mid-range Snapdragon 6 Gen 3 processor, but includes 8 GB of RAM to prevent crashes in basic and medium tasks. For daily recording, the device has a 50 MP main camera assisted by artificial intelligence for scene optimization. The battery is 5,000 mAh and supports 18W fast charging.
When evaluating Xiaomi options, it is essential to focus on three aspects beyond internal storage. Firstly, Processor and Line: the Xiaomi line (formerly Mi) focuses on premium features and advanced cameras; the Poco line prioritizes gamer hardware and raw performance; and the Redmi Note line seeks intermediate balance with a focus on screen and battery.
Secondly, Battery Technology: it is recommended to favor the most recent models that use silicon-carbon (Si/C) batteries, as they offer higher energy density, allowing capacities up to 6,500 mAh without making the device excessively bulky or heavy.
Finally, Memory Speed: it is essential to check if the model uses fast storage standards, such as UFS 4.0 or higher, to ensure that reading and writing large files, such as 4K videos, occur without interruptions.
The Xiaomi 17T leads in photography, thanks to its partnership with Leica, which enhances color fidelity. The inclusion of a 50 MP periscope telephoto sensor with 5x optical zoom allows capturing distant objects with extreme sharpness, surpassing rivals in the same price range.
Regarding the largest battery, the Redmi Note 15 Pro takes the top spot with its 6,580 mAh cell. The Xiaomi 17T and Poco X8 Pro are very close, both having 6,500 mAh silicon-carbon batteries, which provide excellent energy autonomy and thermal management via HyperOS.
The Poco X7 Pro and Redmi Note 15 Pro share the title of best cost-benefit. The former offers the most powerful hardware for the investment, while the latter provides a superior screen and a 200 MP camera without costing the price of a flagship device.
Poco models with 512 GB are suitable for gaming, as the Poco sub-brand is specifically designed for the gaming audience. Devices like the Poco X8 Pro incorporate liquid cooling systems, high touch sampling rates on the screen for immediate response, and processors tuned to maintain stable frame rates (FPS) even after long gaming sessions.
In the vast majority of current models in this category, memory expansion is not possible. Xiaomi and other manufacturers have removed the MicroSD card slot from premium and advanced mid-range devices. Technically, this occurs because external memory cards are significantly slower than internal UFS 4.0 storage, which would compromise overall system performance. However, 512 GB is already more than enough for most users.
