Beelink GTi15 Ultra vs GMKtec NucBox K15
Check current prices
As an Amazon Associate I earn from qualifying purchases.
Beelink GTi15 Ultra
Core Ultra 9 285H, 64GB RAM, 1TB SSD, Frost Silver, US
GMKtec NucBox K15
Core Ultra 5 125U / 32GB DDR5 / 1TB SSD / Windows 11 Pro / metallic gray and black / US plug
Amazon results may include other models. Verify the processor, memory, storage, and seller before buying.
| Memory | ||
|---|---|---|
| Storage |
1Is it fast for normal work?
Beelink GTi15 Ultra
-
Windows and Linux support Windows and Ubuntu tested
Robtech found no suspicious software in Windows 11 Pro, booted Ubuntu without trouble, and reported that both 10GbE ports worked under Ubuntu on the loan sample.
Operating-system and device-detection check · Exact 64GB/1TB review unit
Robtech · 4:30
GMKtec NucBox K15
-
Windows and Linux support Not available
2Can it handle sustained work?
Beelink GTi15 Ultra
-
CPU and creator performance Fast CPU; mixed iGPU
Robtech found the GTi15 Ultra's strongest multi-core, AV1 encoding, code-compilation, and Adobe Premiere results in the higher-power Performance mode. The integrated graphics result was weaker than other reviewed 285H systems despite the CPU gains.
Cinebench, Geekbench, encoding, code compilation, Photoshop, and Premiere tests · Default 54W and Performance 65W modes; exact 64GB/1TB loan unit
Robtech · 4:47 -
Ten-minute CPU load 65W sustained
TechTablets ran Cinebench R23 for ten minutes at a 65W limit and reported strong sustained performance without identifying throttling in the narration.
Cinebench R23 multi-core 10-minute run · 65W BIOS power limit; exact 64GB/1TB review unit
TechTablets · 10:17
GMKtec NucBox K15
-
CPU and creator performance Not available
-
Ten-minute CPU load Not available
3Can it game?
Beelink GTi15 Ultra
-
The Witcher 3 24 fps
TechTablets observed about 24 FPS in The Witcher 3 at 1080p Low on the Arc 140T, improving to roughly 47 to 48 FPS after dropping to 720p.
The Witcher 3 gameplay · 1080p Low; Arc 140T; 65W mode; exact 64GB/1TB review unit
TechTablets · 12:10 -
Counter-Strike 2 60 fps
Tame That Tech reported 60 FPS in Counter-Strike 2 at 1080p High on the exact review system.
Counter-Strike 2 gameplay · 1080p High; Arc 140T; exact 64GB/1TB review unit
Tame That Tech · 6:01 -
Desktop-GPU expansion Optional PCIe 5.0 x8 dock
ALKtech tested the optional EX Pro dock with a desktop RTX 5060 Ti 16GB. The proprietary PCIe 5.0 x8 connection enables desktop-class graphics, but the dock and graphics card are separate purchases and are not part of this retail configuration.
External GPU installation and game benchmarks · Beelink EX Pro dock and MSI RTX 5060 Ti 16GB
ALKtech · 20:58
GMKtec NucBox K15
-
The Witcher 3 Not available
-
Counter-Strike 2 Not available
-
Desktop-GPU expansion Not available
4Is it loud or hot?
Beelink GTi15 Ultra
-
Cinebench 2024 peak CPU temperature 93 C
ALKtech measured a 93 C peak during Cinebench 2024 multi-core in a 29.7 C room, with an 89 C average package temperature.
Cinebench 2024 multi-core · 65W mode; 29.7 C ambient; exact 64GB/1TB loan unit
ALKtech · 16:13 -
Full-load sound level 37 dBA
ServeTheHome measured about 37 dBA at full CPU load in a 34 dBA studio and found the system unusually quiet for its performance class.
Full CPU utilization · 34 dBA room floor; exact 64GB/1TB purchased unit
ServeTheHome · 15:27
GMKtec NucBox K15
-
Cinebench 2024 peak CPU temperature Not available
-
Full-load sound level Not available
5How much electricity does it use?
Beelink GTi15 Ultra
-
Idle wall power 12 W
ServeTheHome measured a typical 9 to 12 W idle range. Robtech measured 41 W with the factory BIOS settings and 24 W after manually enabling CPU C-states, showing that firmware settings materially affect idle draw.
Windows desktop idle · ServeTheHome purchased exact-config unit; observed range 9-12 W
ServeTheHome · 14:46 -
Full-load wall power 75 W
ServeTheHome observed about 75 W at the wall during full CPU utilization on its exact 64GB/1TB system.
Full CPU utilization · Exact 64GB/1TB purchased unit; no external GPU
ServeTheHome · 15:27 -
Powered-off wall draw 4 W
Robtech measured 4 W while the system was shut down and noted that this was enough to keep the case warm.
System shut down while connected to AC · Exact 64GB/1TB loan unit
Robtech · 10:15
GMKtec NucBox K15
-
Idle wall power Not available
-
Full-load wall power Not available
-
Powered-off wall draw Not available
6Can I upgrade and connect everything?
Beelink GTi15 Ultra
-
Memory is upgradeable Yes
-
Storage is upgradeable Yes
-
Thunderbolt is present Yes
-
Internal expansion Upgradeable, difficult access
Two DDR5 SO-DIMM slots support up to 128GB and two PCIe 4.0 x4 M.2 slots support up to 8TB total. TechTablets found access unusually difficult because the internal power supply and connected panels must be moved before reaching the serviceable components.
Hands-on teardown and component-access check · GTi15 Ultra chassis
TechTablets · 3:20 -
High-speed connectivity 2x 10GbE plus PCIe 5.0 x8
The exact system combines two 10GbE ports, Intel Wi-Fi 7, one 40Gbps USB-C display port, and the proprietary PCIe 5.0 x8 connector for Beelink's optional EX Pro GPU dock.
Manufacturer specification and hands-on port inspection · GTi15 Ultra chassis
Beelink -
Opening the case requires care around the fan cable Not available
GMKtec NucBox K15
-
Memory is upgradeable Yes
-
Storage is upgradeable Yes
-
Thunderbolt is present Not available
-
Internal expansion Not available
-
High-speed connectivity Not available
-
Opening the case requires care around the fan cable
Team Pandory demonstrated removing the feet, metal cover and case screws to reach the replaceable memory and SSDs. The upper fan remains connected to the mainboard as the case opens, so the cable needs care during access.
Team Pandory · 12:02
7Is it good value?
Beelink GTi15 Ultra
-
Manufacturer price $1,499
Beelink listed the exact Frost Silver 64GB/1TB US configuration for $1,499 when checked, against a $1,699 compare-at price.
Manufacturer retail-price check · Variant 47817221865714; 64GB/1TB; Windows 11 Pro; US cable
Beelink -
Verified Amazon configuration B0FM7SBXH7
Amazon ASIN B0FM7SBXH7 matched the exact Core Ultra 9 285H, 64GB RAM, 1TB SSD, and Windows 11 Pro configuration when checked.
Retailer identity check · GTi15 Ultra 64GB/1TB
Beelink -
Reviewer value assessment Pricey; no barebones option
Robtech described the reviewed 64GB/1TB model's stated $1,200 price as expensive even with twice the memory of many competing configurations and noted that no barebones option was available.
Review-date price and configuration assessment · Core Ultra 9 285H, 64GB DDR5-5600, 1TB SSD loan review unit
Robtech · 12:20
GMKtec NucBox K15
-
Manufacturer price Not available
-
Verified Amazon configuration Not available
-
Reviewer value assessment Not available
8Will it be dependable?
Beelink GTi15 Ultra
-
Seller warranty 3 years
Beelink advertises a three-year seller warranty and a 30-day risk-free trial on the product page.
Manufacturer warranty-policy check
Beelink -
Thermal and acoustic tradeoff Quiet; settings-sensitive idle
Independent tests consistently found low fan noise, including about 37 dBA at full CPU load, but ALKtech measured a 93 C CPU peak in a warm room and Robtech found unusually high power draw until BIOS C-states were enabled.
Sustained CPU load and Windows idle · Exact 64GB/1TB review units
ServeTheHome · 15:27 -
Ubuntu detected the main devices Not available
-
Batocera 42 connected to Wi-Fi and a controller Not available
GMKtec NucBox K15
-
Seller warranty Not available
-
Thermal and acoustic tradeoff Not available
-
Ubuntu detected the main devices
Lon.TV reported working video, audio, Bluetooth, networking and Wi-Fi during an Ubuntu test on his 32GB/1TB K15. The distribution version was not specified, so this does not establish compatibility with every Linux release.
Lon.TV · 9:02 -
Batocera 42 connected to Wi-Fi and a controller
Team Pandory reported that Batocera 42 booted and connected to Wi-Fi and a Bluetooth controller on his 48GB/1TB K15. This is a basic compatibility check on that configuration.
Team Pandory · 9:44
References
-
Beelink. Beelink GTi15 Ultra Intel Core Ultra 9 285H. Product page. . Accessed .
Configuration: Variant 47817221865714: Core Ultra 9 285H, 64GB DDR5-5600, 1TB SSD, Windows 11 Pro, Frost Silver, US cable
Disclosure: Manufacturer specifications, current price, availability, warranty, and trial terms.
-
Robtech. Beelink's Best Intel Mini PC Gets BETTER! GTi15 Ultra Review. Video review. . Accessed .
Configuration: Core Ultra 9 285H, 64GB DDR5-5600, 1TB SSD loan review unit
Disclosure: The description identifies a loan review sample and includes manufacturer and retailer affiliate links.
-
TechTablets. Core 9 285H Mini PC With GPU Dock! Beelink GTI15 Ultra Review. Video review. . Accessed .
Configuration: Core Ultra 9 285H, 64GB DDR5-5600, 1TB SSD review unit
Disclosure: The reviewer says Beelink sent the review configuration; the description links Beelink without an affiliate disclosure.
-
Tame That Tech. Beelink GTi15 Ultra Mini PC Review: Can It Replace Your Desktop as a Standalone?. Video review. . Accessed .
Configuration: Core Ultra 9 285H, 64GB DDR5, 1TB SSD review unit
Disclosure: The description contains affiliate storefront links and does not state how the review unit was obtained.
-
ServeTheHome. An ULTRA Mini PC with 10GbE and GPU Beelink GTi15 Ultra. Video review. . Accessed .
Configuration: Core Ultra 9 285H, 64GB DDR5-5600, 1TB SSD purchased review unit
Disclosure: The description says the reviewed unit was purchased and contains an Amazon affiliate link.
-
ALKtech. This mini PC can be paired with a desktop graphics card easily! Beelink GTi15 Ultra Review. Video review. . Accessed .
Configuration: Core Ultra 9 285H, 64GB DDR5-5600, 1TB Crucial E100 SSD loan review unit
Disclosure: The description identifies a loan review unit and contains Beelink and Amazon affiliate links.
-
GMKtec. NucBox K15 specifications and US configuration. Product page. Accessed .
Configuration: Core Ultra 5 125U / 32GB DDR5 / 1TB SSD / Windows 11 Pro / metallic gray and black / US plug
Disclosure: Manufacturer specifications; no MiniPCBench measurements.
-
Lon.TV. GMKTec K15 Mini PC Review - The "Toyota Camry" Mini PC With Plenty of Upgrade Options. Video review. . Accessed .
Configuration: Core Ultra 5 125U / 32GB DDR5-4800 / 1TB NVMe SSD. Windows edition and firmware version unconfirmed; Ubuntu version unspecified. Performance mode used.
Disclosure: Free review unit and affiliate links disclosed; no other payment for coverage.
-
Team Pandory. This Mini PC Runs Shockingly Cool and Quiet [GMKTEC K15 Review]. Video review. . Accessed .
Configuration: Core Ultra 5 125U / 48GB DDR5-4800 / 1TB NVMe SSD / Windows 11 Pro; Batocera 42 also tested. Firmware version unconfirmed.
Disclosure: Free review unit and affiliate links disclosed; no other payment for coverage.
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 Beelink GTi15 Ultra
- Supports 32 GB more memory
Higher listed specifications for GMKtec NucBox K15
- Provides 3 storage slots versus 2
Verified specifications
Manufacturer-sourced specifications and current testing status
Processor
| Specification | GTi15 Ultra | NucBox K15 |
|---|---|---|
| CPU | Intel Core Ultra 9 285H | Intel Core Ultra 5 125U |
| Cores / threads | 16 / 16 | 12 / 14 |
| Processor default TDP | 45 W | Not disclosed |
| Integrated graphics | Intel Arc 140T integrated graphics | Intel Graphics |
Memory and storage
| Specification | GTi15 Ultra | NucBox K15 |
|---|---|---|
| Memory type | 2x 32GB DDR5-5600 SO-DIMM | DDR5 SO-DIMM; up to 5600 MT/s supported |
| Maximum memory | 128 GB | 96 GB |
| Upgradeable memory | Yes | Yes |
| Storage slots | 2 | 3 |
Connectivity
| Specification | GTi15 Ultra | NucBox K15 |
|---|---|---|
| Ethernet | 2x 10GbE RJ45 | 2 x 2.5GbE, Realtek RTL8125BG |
| Wireless | Intel BE200 Wi-Fi 7 + Bluetooth 5.4 | MediaTek RZ616 / MT7922 Wi-Fi 6E and Bluetooth 5.2 |
| USB4 | Yes | Yes |
| Thunderbolt | Yes | Not published |
Size and price
| Specification | GTi15 Ultra | NucBox K15 |
|---|---|---|
| Enclosure volume | 1.5 liters | Not published |
| List price | $1,699 | Not published |
| Product class | Quiet productivity and optional desktop graphics | Not assigned |