GMK NucBox K13 review: ultralight and efficient mini PC with Intel Lunar Lake
By Allen Ngo · Notebookcheck
- Source published
- Mar 16, 2026
- Test performed
- Not reported by source
- Added to MiniPC.guru
- Sep 18, 2026
- Source reviewed
- Sep 18, 2026
- Tested hardware
- Intel Core Ultra 7 256V, 8 cores / 8 threads: four Lion Cove performance cores at 4.8 GHz and four Skymont efficiency cores at 3.7 GHz, Lunar Lake, 37 W PL2 short burst and 30 W PL1 sustained · Intel Arc Graphics 140V, core 1950 MHz, driver 32.0.101.8509 · 16 GB LPDDR5-8533 inside the processor package, soldered and not upgradable: this machine has no memory slots and no 32 GB version exists · Huawei eKitStor Xtreme 200e, 1024 GB, the drive shipped with the review unit
- Software / version / OS
- Cyberpunk 2077 · not reported by source: the review does not print the game build · Microsoft Windows 11 Pro
- Power profile
- Windows and the firmware both set to Performance mode before the benchmarks, stated by the review in its own testing-conditions note, which adds that the firmware ships in Balanced mode
- Test conditions
- 1920x1080, Low preset, FSR off, printed in the row itself; no XeSS and no ray tracing. Scene: the game's built-in benchmark, which Notebookcheck's published methodology says it uses where a representative one exists, at https://www.notebookcheck.net/How-does-Notebookcheck-test-laptops-and-smartphones-A-behind-the-scenes-look-into-our-review-process.15394.0.html; this article does not restate it. Average 38.4 FPS, minimum 32.6, 1 per cent low 30.8
Editorial review checks the source and documentation; it does not certify the measurement or mean we tested the device ourselves.







