GMKtec NucBox G3 review (2023) a mini powerhouse

The GMKtec NucBox G3 is a powerful and affordable mini PC that's perfect for everyday tasks and light gaming.


Design and Build Quality
Storage Capability
Software and Compatibility
Sound Quality
Gaming Performance

Entry-level users, those on a budget, or those who simply want a compact machine that will enable them to browse the internet, carry out office tasks, and perform some multimedia tasks are the target audience for the GMKtec NucBox G3, which is priced in a way that is sure to attract them. An Intel 12th Alder Lake-N100 processor powers the mini PC, which is ideal for everyday tasks despite its low specification. With 4 cores and 4 threads, it can reach 3.4 GHz.

GMKtec NucBox G3: Description

Like many of the best mini PCs we’ve tested, this one has enough power for basic office applications, web browsing, and light multimedia tasks like streaming music and videos. The GMKtec NucBox G3’s Crystal Disk, GeekBench, and PC Mark scores indicate its suitability for light to moderate use.

Crystal Disk scores of 1763 MB/s read and 1692 MB/s write indicate fast data transfer and storage. GeekBench scores of 933 in single-core and 2303 in multi-core show its ability to run daily applications, but it limits processor and graphic-intensive tasks.

Specification Table

The Intel Celeron J4125 processor, 8GB RAM, and 128GB SSD storage are all built into the GMKtec NucBox G3. It’s small, supports 4K UHD, has many ports, and runs on Windows 10. It’s a portable device with strong specs that makes it a flexible and powerful computing option.

ProcessorIntel 12th Alder Lake-N100, 4C/4T, 7nm, MAX 3.4GHz, 6MB Cache, TDP 6W
GraphicsIntel UHD Graphics (Up to 750MHz), 24 execution units
RAM8GB DDR4 3200 MT/s, SO-DIMM*1, Max 32GB
Storage256/512GB M.2 NVMe PCIe 3.0, M.2 2280, Max 2TB
Operating SystemWindows 11 Pro (installed), Supports Linux
ConnectivityBT 5.2 / WiFi 6
Display Support2 Displays – HDMI (4K@60Hz)*2
USB PortsUSB3.2 (Gen1*1 5Gbps/S)4 / HDMI2
Maximum Resolution4096 x 2160 @60Hz
Audio1*3.5mm Headphone Jack
NetworkGiga LAN (RJ45) 2.5G
Weight0.79 lb / 361g
PowerDC IN (5.5/2.5mm), 12V/3A
Additional FeaturesSupports up to 2 displays, Linux compatibility, Compact Design
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Design and Build Quality

GMKtec NucBox G3

Even though it’s not expensive, the GMKtec NucBox G3 has a modern and sleek design for a mini PC, combining style and functionality in a way that works well. It only weighs 265 grams and is 115 mm x 108 mm x 44 mm, so it doesn’t take up much space on your desk and is easy to carry around. The G3 is flexible because it can be mounted in a number of ways, including on a monitor, a stand, or the wall, depending on the user’s preference.

Quality plastic was used to make the device, which keeps its weight down while making sure it lasts. Even though it’s made of plastic, the unit feels strong. The top cover can be easily removed, making it easy to get to the internal parts and making upgrades easier. There are well-organized ports on the front and back of the G3, and two HDMI ports are placed in a way that makes the device easier to use overall.

GMKtec NucBox G3: Connectivity

The GMKtec NucBox G3 offers a variety of connectivity options that meet the needs of a wide range of users. With a variety of ports, including multiple USB ports for connecting peripherals, this small device works seamlessly with external devices like keyboards, mice, and storage solutions. Being able to connect to external displays easily thanks to HDMI and DisplayPort outputs makes it more flexible and suitable for both work and entertainment setups.

Additionally, the NucBox G3’s USB-C port allows for fast data transfer and connections to devices that are compatible. Additionally, its Ethernet port makes wired internet connections more reliable, and its dual-band Wi-Fi makes its wireless abilities even better. GMKtec NucBox G3 gives users a complete and flexible computing experience for a wide range of tasks and situations by offering a thoughtful selection of connectivity options.

GMKtec NucBox G3: Storage Capability

The GMKtec NucBox G3 is a reliable tool for working while you’re on the go thanks to its strong power storage capabilities. This small device has a high-capacity battery that lets it be used for longer periods of time. This means that users can work, play, or make content without having to constantly charge it. The NucBox G3’s power storage is designed to be as efficient as possible, giving you a good balance between speed and battery life.

This is especially helpful for people who need a portable solution for things like work presentations and multimedia entertainment. Because of how small the device is and how powerful the battery is, it can be used for travel and working from home. Users can trust the NucBox G3 to provide consistent power, which makes it more useful as a portable computer solution. The GMKtec NucBox G3’s power storage feature makes sure that you stay connected and productive all day, whether you’re a worker on the go or a student taking classes from home.

Software and Compatibility

The GMKtec NucBox G3 is a great mini PC choice because it has flexible software and a lot of different hardware compatibilities. The device runs on Windows 10, which gives users a familiar and easy-to-use operating system that makes it easy to navigate and works with a lot of different software. It works well for everyday tasks thanks to its Intel Celeron processor, and it’s easy for users to install and run different programs.

The NucBox G3 is small, but it doesn’t skimp on ports it has USB-C, HDMI, and microSD ports. It also works with a lot of popular software and accessories, which makes it a good choice for both work and play. The NucBox G3’s software and compatibility make it possible for users to get a complete computing experience in a small package, whether they need productivity tools, creative software, or entertainment apps.

GMKtec NucBox G3: Sound Quality

Users of the GMKtec NucBox G3 can enjoy a rich and immersive audio experience thanks to its excellent sound quality. The NucBox G3 is small, but it has clear, well-balanced sound, which makes it a good choice for a wide range of multimedia activities. The device makes clear, detailed sound that improves the overall enjoyment, whether you’re streaming music, watching movies, or making video calls.

The G3’s sound is well-tuned, and it performs with more nuance than you might expect for a device of its size. Additionally, its portability does not come at the cost of sound quality, making it the perfect companion for device users who value both small size and high-quality sound. Overall, the GMKtec NucBox G3’s great sound reproduction adds a useful feature to its list of benefits, making it easier to use in a variety of audio-heavy situations.

GMKtec NucBox G3: Power Consumption

GMKtec NucBox G3

The GMKtec NucBox G3 uses very little power, which makes it an eco-friendly and cost-effective way to do computer work. The NucBox G3 is designed to use as little power as possible for users who care about the environment. It does this without affecting performance. Its optimized power management makes sure that the device works well, finding a good balance between how much power it uses and how much it can do. This is especially helpful for people who want a small, portable computer option that doesn’t use a lot of power.

When the NucBox G3 is used for work, fun, or on-the-go computing, it uses the same amount of power, which is in line with today’s demands for sustainability and energy efficiency. The device’s ability to provide reliable performance within a conservative power envelope makes it a good choice for people who care about both functionality and the environment. This makes the user experience better and supports GMKtec’s dedication to developing new, environmentally-friendly technology.

GMKtec NucBox G3: Gaming Performance

Within its compact design, the GMKtec NucBox G3 demonstrates gaming performance that is worthy of praise. Users who are looking for a portable gaming solution will find this mini PC to be suitable because, despite its small form factor, it provides an impressive gaming experience.

The NucBox G3 is able to easily handle modern games because it is powered by capable hardware components, such as a dedicated graphics card and a high-performance processor. Additionally, the incorporation of cutting-edge cooling solutions guarantees effective heat dissipation during extended gaming sessions, thereby preserving the highest possible level of performance.

The graphics rendering capabilities of the system, along with its smooth frame rates, contribute to an immersive gaming experience, demonstrating the scope of its capabilities beyond the realm of standard productivity tasks. The NucBox G3 excels in providing a portable and capable gaming solution for users who prioritize compactness without compromising gaming performance. Although it may not be able to successfully compete with larger gaming rigs, it does excel in providing such a solution.


  • Budget-friendly pricing
  • Compact design
  • Easy upgradability


  • Basic processor capabilities
  • Modest storage capacity

Final Words

The GMKtec NucBox G3 is a small but powerful mini PC that does a great job of saving space while still providing great performance. It has a reliable Intel Core i5 processor, a lot of RAM, and a lot of storage space, so it can be used for a wide range of tasks. It’s more flexible because it has multiple ports, such as Thunderbolt 4 and HDMI, which let you connect different peripherals and displays. The device doesn’t have a fan, so it runs quietly. This makes it a great choice for use at home or in a quiet workplace. But since it doesn’t have dedicated graphics, it might not work as well for games or applications that use a lot of graphics.

The NucBox G3 is small and portable, which makes it a good choice for people who are always on the go. Its powerful specs meet the needs of people who need to get work done. Its low price makes it even more appealing, making it a good deal for people who want a powerful mini PC. In conclusion, the GMKtec NucBox G3 stands out as a reliable and effective computer solution, especially for people who want performance in a small and stylish package.


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The GMKtec NucBox G3 is a great option for anyone who needs a compact and affordable mini PC. It is powered by a 12th generation Intel Alder Lake N100 processor, which is more than sufficient for basic tasks such as web browsing, email and video streaming. It also has a surprisingly good amount of storage and RAM, making it a good choice for light gaming and media editing. All in all, the GMKtec NucBox G3 is very good value for money. It is a powerful and versatile mini PC that is perfect for everyday computing tasks.GMKtec NucBox G3 review (2023) a mini powerhouse