Asus Chromebox 5a (Celeron 4GB + 128GB) vs Geekom A9 Mega (64GB + 1TB)

Updated September 2026

Data from Amazon and official Asus and Geekom sites.

2026 verdict

ChromeOS and a Celeron cannot match a Windows AI workstation, and the Geekom A9 Mega (64GB + 1TB) wins this mini PC comparison over the Asus Chromebox 5a (Celeron 4GB + 128GB).

Winner

Geekom A9 Mega (64GB + 1TB)

$2399.00

Buy on Amazon USA

It leads on LPDDR5X versus DDR4, on memory speed, on 64GB versus 4GB, and on 1TB versus 128GB, with Radeon 8060S graphics and dual 2.5G Ethernet. The Asus Chromebox 5a (Celeron 4GB + 128GB) is still the cheaper, better-reviewed browser appliance: ChromeOS, seven USB ports, dual HDMI 2.1, DisplayPort 1.4 and a micro SD reader for classrooms, kiosks and Google Workspace. Choose the A9 Mega for Windows and local AI; choose the Chromebox 5a when the fleet lives in a browser and needs almost no maintenance.

Asus

Asus Chromebox 5a (Celeron 4GB + 128GB)

10% OFF

$359.00

$399.00

Buy on Amazon USA

Winner

Geekom

Geekom A9 Mega (64GB + 1TB)

$2399.00

Buy on Amazon USA

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Feature	Asus Chromebox 5a (Celeron 4GB + 128GB)	Geekom A9 Mega (64GB + 1TB)	Winner
Price	$359.00	$2399.00	Asus Chromebox 5a (Celeron 4GB + 128GB)
Rating	4.4	4.3	Asus Chromebox 5a (Celeron 4GB + 128GB)
Memory Type	DDR4	LPDDR5X	Geekom A9 Mega (64GB + 1TB)
Memory Speed	3200 MT/s	7500 MT/s	Geekom A9 Mega (64GB + 1TB)
Memory Capacity	4 GB	64 GB	Geekom A9 Mega (64GB + 1TB)
Storage Capacity	128 GB	1 TB	Geekom A9 Mega (64GB + 1TB)
CPU Model	Intel Celeron 7305	AMD Ryzen AI Max+ 388	Different strengths
Memory Configuration	Single-channel	Soldered (non-upgradeable)	Different strengths
GPU Model	Intel UHD Graphics	AMD Radeon 8060S Graphics	Different strengths

Asus

Asus Chromebox 5a (Celeron 4GB + 128GB)

10% OFF

$359.00

$399.00

Buy on Amazon USA

+ Price: $359.00
+ Rating: 4.4
- Memory Type: DDR4 vs LPDDR5X
- Memory Speed: 3200 MT/s vs 7500 MT/s

Winner

Geekom

Geekom A9 Mega (64GB + 1TB)

$2399.00

Buy on Amazon USA

+ Memory Type: LPDDR5X
+ Memory Speed: 7500 MT/s
+ Memory Capacity: 64 GB
- Price: $2399.00 vs $359.00
- Rating: 4.3 vs 4.4

Frequently Asked Questions

Which is better overall: Asus Chromebox 5a (Celeron 4GB + 128GB) or Geekom A9 Mega (64GB + 1TB)?

The Geekom A9 Mega (64GB + 1TB) wins overall on memory type, memory speed, memory capacity and storage capacity. The Asus Chromebox 5a (Celeron 4GB + 128GB) wins on price and owner rating.

What is the biggest difference between Asus Chromebox 5a (Celeron 4GB + 128GB) and Geekom A9 Mega (64GB + 1TB)?

Operating system. The Asus Chromebox 5a (Celeron 4GB + 128GB) runs ChromeOS on a Celeron 7305 with 4GB of DDR4 and 128GB of storage. The Geekom A9 Mega (64GB + 1TB) runs Windows 11 Pro on a Ryzen AI Max+ 388 with 64GB of LPDDR5X and Radeon 8060S graphics.

Can the Chromebox run Windows apps?

No. The Asus Chromebox 5a (Celeron 4GB + 128GB) runs ChromeOS and cannot run native Windows or macOS applications. The Geekom A9 Mega (64GB + 1TB) ships Windows 11 Pro.

Who should buy the Geekom A9 Mega (64GB + 1TB)?

Buyers who need a Windows 11 Pro mini PC with 64GB of fast shared memory and Radeon 8060S graphics should choose the Geekom A9 Mega (64GB + 1TB).

Who should buy the Asus Chromebox 5a (Celeron 4GB + 128GB)?

Buyers who want a cheaper, better-reviewed ChromeOS box for classrooms, signage, kiosks or Google Workspace should choose the Asus Chromebox 5a (Celeron 4GB + 128GB).

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