A modder named Qingchen DIY has built a custom handheld gaming device featuring a large 12.5-inch 4K IPS display, running on Windows 11. The system includes an Nvidia GeForce RTX 4090 laptop GPU, an Intel Core i9-149000HX CPU, 64GB of DDR5 memory, and 2TB of storage. This device is capable of running high-end games like Horizon Forbidden West and Cyberpunk 2077 at 4K resolution, able to manage 72°C while connected to an external power source for enhanced performance, marking it as a significant improvement over standard handheld options.
Qingchen DIY created a custom handheld gaming device featuring a 12.5-inch 4K display, running Windows 11 with high-end laptop hardware, including an RTX 4090 GPU.
The handheld system includes an Intel Core i9-149000HX CPU, 64GB of DDR5 memory, and 2TB of storage, showcasing remarkable performance for portable gaming.
In demonstrations, the device successfully runs demanding games like Horizon Forbidden West and Cyberpunk 2077 at 4K resolution, maintaining a temperature of 72°C while tethered to external power.
Compared to commercially available handhelds, including the Acer Nitro Blaze, which features only a 10.95-inch display, this DIY device offers impressive specifications and performance.
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