GEEKOM Air12 2026 Edition vs GMKtec NucBox G3 Plus
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GEEKOM Air12 2026 Edition
Pentium Gold 7505 / 16GB DDR4 / 512GB SSD / Windows 11 Pro / black and gray chassis / US market
GMKtec NucBox G3 Plus
Intel N150 / 16GB DDR4 / 512GB SSD / Windows 11 Pro / US plug
Amazon results may include other models. Verify the processor, memory, storage, and seller before buying.
| Memory | ||
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| Storage |
1Is it fast for normal work?
GEEKOM Air12 2026 Edition
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Multitasking slowed the reviewed base model
Albert Unbox reported slowdown while playing YouTube, recording the screen and downloading software together. He also demonstrated lag in Photoshop. His unit had 8GB RAM and 256GB storage, so this is not a measured result for the 16GB/512GB configuration.
Albert Unbox · 1:58
GMKtec NucBox G3 Plus
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Multitasking slowed the reviewed base model Not available
2Can it handle sustained work?
GEEKOM Air12 2026 Edition
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Short CPU stress test did not report thermal throttling
Britec09 shows CPU-Z stressing the processor and HWiNFO reporting no thermal throttling on the 8GB/256GB review unit. Test duration, ambient temperature and firmware were not fully documented, so this does not establish sustained behavior for every workload.
Britec09 · 7:48
GMKtec NucBox G3 Plus
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Short CPU stress test did not report thermal throttling Not available
3Can it game?
GEEKOM Air12 2026 Edition
Not available
GMKtec NucBox G3 Plus
Not available
4Is it loud or hot?
GEEKOM Air12 2026 Edition
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Memory-heavy stress exposed a cooling limit Not available
GMKtec NucBox G3 Plus
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Memory-heavy stress exposed a cooling limit
Jeff Geerling reported overheating and inconsistent results in a 7-Zip benchmark on his review unit. Repasting did not fully resolve his concern; removing the cover and adding airflow let him complete consistent comparisons. His later benchmark results use that modified cooling setup.
Jeff Geerling · 7:31
5How much electricity does it use?
GEEKOM Air12 2026 Edition
Not available
GMKtec NucBox G3 Plus
Not available
6Can I upgrade and connect everything?
GEEKOM Air12 2026 Edition
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Memory is upgradeable Yes
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Storage is upgradeable Yes
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Access to memory and storage
FunkyScott47 opened his 8GB/256GB Air12 by removing four base screws and showed the memory and M.2 storage inside. The installed memory layout of this 16GB configuration remains unconfirmed.
FunkyScott47 · 3:58
GMKtec NucBox G3 Plus
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Memory is upgradeable Yes
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Storage is upgradeable Yes
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Access to memory and storage Not available
7Is it good value?
GEEKOM Air12 2026 Edition
Not available
GMKtec NucBox G3 Plus
Not available
8Will it be dependable?
GEEKOM Air12 2026 Edition
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Ubuntu detected the main devices Not available
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A newer Linux kernel enabled graphics benchmarks Not available
GMKtec NucBox G3 Plus
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Ubuntu detected the main devices
Lon.TV reported working display, audio, Wi-Fi, Ethernet and Bluetooth after installing Ubuntu on his 16GB/512GB G3 Plus. The Ubuntu version was not specified, so this is limited to his tested setup.
Lon.TV · 10:32 -
A newer Linux kernel enabled graphics benchmarks
Jeff Geerling could not run some GPU benchmarks with his initial Ubuntu setup. Updating to Linux 6.12 enabled GLMark2 and GravityMark. His published system record identifies Ubuntu 24.04 with kernel 6.12.3 and a replacement SSD.
Jeff Geerling · 6:01
References
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GEEKOM. Air12 2026 Edition specifications and US retail options. Product page. Accessed .
Configuration: Pentium Gold 7505 / 16GB DDR4 / 512GB SSD / Windows 11 Pro / black and gray chassis / US market
Disclosure: Manufacturer specifications; no MiniPCBench measurements.
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FunkyScott47. What can the THINNEST Mini-PC handle? | Testing the GEEKOM Air12 2026 Edition. Video review. . Accessed .
Configuration: Pentium Gold 7505 / 8GB DDR4 / 256GB SSD; installed OS edition and firmware unconfirmed.
Disclosure: Includes paid promotion label, coupon and Amazon affiliate disclosure; acquisition unconfirmed.
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Albert Unbox. GEEKOM Air12 2026 Edition – Can this super thin and tiny little mini PC handle real work?. Video review. . Accessed .
Configuration: Pentium Gold 7505 / 8GB RAM / 256GB storage / Intel UHD Graphics; OS edition and firmware unconfirmed. Product tags link other CPU editions, but footage and spoken configuration identify the 7505.
Disclosure: Reviewer states GEEKOM sponsored the video and that opinions reflect his own tests; commission-earning product tags.
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Britec09. The Perfect Linux Mini PC. Video review. . Accessed .
Configuration: Pentium Gold 7505 / 8GB DDR4 / 256GB SSD. Windows 11 shown; edition, build and firmware unconfirmed.
Disclosure: GEEKOM supplied the review unit; retention terms unconfirmed. Amazon affiliate links disclosed.
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GMKtec. NucBox G3 Plus specifications and US configuration. Product page. Accessed .
Configuration: Intel N150 / 16GB DDR4 / 512GB SSD / Windows 11 Pro / US plug
Disclosure: Manufacturer specifications; no MiniPCBench measurements.
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Lon.TV. My Favorite Cheap Mini PC Gets an N150 Upgrade! GMKTec G3 Plus Review. Video review. . Accessed .
Configuration: Intel N150 / 16GB DDR4-3200 / 512GB NVMe SSD / Windows 11 Pro. Ubuntu tested; version and firmware unconfirmed. Green review unit.
Disclosure: Reviewer purchased the G3 Plus; no payment for the review. Compensated affiliate links disclosed.
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Jeff Geerling. When did Raspberry Pis get so expensive?. Video review. . Accessed .
Configuration: Intel N150 / 16GB DDR4 / original 512GB AirDisk SSD replaced by a 1TB TeamGroup TM8FP4001T for Ubuntu 24.04 testing, Linux 6.12.3. Balanced and High Performance modes; firmware version unconfirmed.
Disclosure: GMKtec supplied the review unit but did not pay for the video. Reviewer states no GMKtec affiliate participation; Amazon affiliate links disclosed. Supporting system configuration record: https://github.com/geerlingguy/sbc-reviews/issues/64
Value for money
No value comparison is available. It requires eligible test scores and at least four current price observations in seven days.
Specification differences
Differences supported by the listed manufacturer specifications
Higher listed specifications for GEEKOM Air12 2026 Edition
Higher listed specifications for GMKtec NucBox G3 Plus
- Provides 2 storage slots versus 1
Verified specifications
Manufacturer-sourced specifications and current testing status
Processor
| Specification | Air12 2026 Edition | NucBox G3 Plus |
|---|---|---|
| CPU | Intel Pentium Gold 7505 | Intel N150 |
| Cores / threads | 2 / 4 | 4 / 4 |
| Processor default TDP | 15 W | Not disclosed |
| Integrated graphics | Intel UHD Graphics | Intel UHD Graphics |
Memory and storage
| Specification | Air12 2026 Edition | NucBox G3 Plus |
|---|---|---|
| Memory type | DDR4 SO-DIMM | DDR4-3200 SO-DIMM |
| Maximum memory | 32 GB | 32 GB |
| Upgradeable memory | Yes | Yes |
| Storage slots | 1 | 2 |
Connectivity
| Specification | Air12 2026 Edition | NucBox G3 Plus |
|---|---|---|
| Ethernet | 1 × Gigabit Ethernet | 1 x 2.5GbE, Intel i226-V |
| Wireless | Wi-Fi 6 and Bluetooth 5.2 | Realtek 8852BE Wi-Fi 6 and Bluetooth 5.2 |
| USB4 | No | No |
| Thunderbolt | Not published | No |
Size and price
| Specification | Air12 2026 Edition | NucBox G3 Plus |
|---|---|---|
| Enclosure volume | Not published | Not published |
| List price | Not published | Not published |
| Product class | Not assigned | Not assigned |