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GEEKOM A6 Mini PC Ryzen 7 6800H vs GMKtec NucBox M6 Ultra Mini PC AMD Ryzen 5 7640HS

Researched, not hands-on tested.How we review ›

all judged against mini PCs at a similar price

The GEEKOM A6 Mini PC Ryzen 7 6800H scores 6.7/10 overall, ahead of the GMKtec NucBox M6 Ultra Mini PC AMD Ryzen 5 7640HS at 6.4/10.

The GEEKOM A6 Mini PC Ryzen 7 6800H leads on CPU performance, ports and expansion and build and support.

The GMKtec NucBox M6 Ultra Mini PC AMD Ryzen 5 7640HS leads on networking.

They score the same on upgradeability and efficiency and noise.

A6 AMD Ryzen 7 6800H (GEEKOM A6 Mini PC)

GEEKOM A6 Mini PC Ryzen 7 6800H

6.7/10verdict: buy

The GEEKOM A6 is for people who want an 8-core Ryzen mini PC for desktop work, light server duties or a small development box. It suits buyers who value a RAM ceiling of 64GB and a second M.2 slot. It is less suited to anyone planning sustained heavy rendering or gaming.

Typically about £549 in the UK when we researched itCheck price at Amazon UK (opens in a new tab, affiliate link)

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

GMKtec NucBox M6 Ultra Mini PC AMD Ryzen 5 7640HS

GMKtec NucBox M6 Ultra Mini PC AMD Ryzen 5 7640HS

6.4/10verdict: good, not the best

The M6 Ultra is for buyers who want a compact Ryzen 5 mini PC with room to grow on memory and storage. Dual 2.5GbE and two M.2 slots make it a fit for homelab duties and Linux or Windows desktop use. It suits people who value expandability over the lowest idle power draw.

Typically about £549.96 in the UK when we researched itCheck price at Amazon UK (opens in a new tab, affiliate link)

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Scores, criterion by criterion

CriterionWeightGEEKOM A6 Mini PC Ryzen 7 6800HGMKtec NucBox M6 Ultra Mini PC AMD Ryzen 5 7640HS
CPU performance25%7/106/10
Upgradeability20%8/108/10
Networking20%6/107/10
Efficiency and noise15%5/105/10
Ports and expansion10%7/106/10
Build and support10%7/105/10
Overall6.7/106.4/10

Specifications

SpecGEEKOM A6 Mini PC Ryzen 7 6800HGMKtec NucBox M6 Ultra Mini PC AMD Ryzen 5 7640HS
CPUAMD Ryzen 7 6800H, 8 cores / 16 threads, up to 4.7 GHz, Radeon 680M integrated graphics, 45W TDPAMD Ryzen 5 7640HS: 6 cores, 12 threads, up to 5.0GHz, Radeon 760M integrated graphics
Memory16GB DDR5 default; 32GB configuration also offered2x SO-DIMM DDR5 slots, DDR5-4800, 16GB or 32GB configurations
Storage1TB M.2 2280 PCIe Gen4 x4 NVMe SSDPCIe 3.0 M.2 2280 SSD, 512GB or 1TB options
Networking2.5GbE LAN, Wi-Fi 6E, Bluetooth 5.2Wi-Fi 6E, Bluetooth 5.2, dual 2.5GbE Ethernet
Maximum memory64GB DDR5128GB
Storage slotsOne M.2 2280 NVMe slot and one M.2 2242 SATA slot2x M.2 2280, up to 8TB each
PortsRear: dual HDMI 2.0, USB4, USB-C with Power Delivery, USB 3.2 Gen 2 Type-A, USB 2.0 Type-A, RJ45, DC in. Front: USB-A ports, 3.5mm headset jack, SD card reader3x USB-A 3.2 Gen2 (10Gbps), 1x USB 2.0, 1x USB4 full-function, 1x HDMI 2.0 (4K@60Hz), 1x DisplayPort, 3.5mm audio jack
Power drawnot listed19V/6.32A 120W external DC adapter; CPU TDP 35W-50W

Strengths and weaknesses

GEEKOM A6 Mini PC Ryzen 7 6800H

  • + Dual SO-DIMM slots, up to 64GB DDR5
  • + 8 cores and 16 threads with Radeon 680M
  • + USB4, dual HDMI and 3-year warranty
  • − Fan audible under heavy load
  • − CPU slows in long full-load runs
  • − Only one wired network port listed

Skip it if:

  • Buyers who want a fanless or silent machine under heavy load
  • Gamers or anyone running long renders who need sustained peak performance
  • Anyone building a router or firewall that needs two wired ports
Read the full GEEKOM A6 Mini PC Ryzen 7 6800H review ›

GMKtec NucBox M6 Ultra Mini PC AMD Ryzen 5 7640HS

  • + Two SO-DIMM slots, 128GB maximum, two M.2 slots
  • + Dual 2.5GbE plus Wi-Fi 6E
  • + Owners report quiet running in normal use
  • − Idle draw about 10W, toward the upper end
  • − Fan clearly audible when gaming or rendering
  • − No warranty or BIOS update details in the research

Skip it if:

  • Buyers who need the lowest possible idle power for an always-on box
  • Anyone wanting a silent machine under sustained gaming or rendering loads
  • Buyers who need 10GbE, SFP+ or OCuLink
Read the full GMKtec NucBox M6 Ultra Mini PC AMD Ryzen 5 7640HS review ›

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