Updated October 2026
Data from Amazon and official Asus and Beelink sites.
2026 verdict
There is no real contest once workload enters the picture: the Beelink GTi15 Ultra (64GB + 1TB) outclasses the Asus Chromebox 5a (Celeron 4GB + 128GB) as a desktop.
It wins on memory type, memory speed, memory capacity and storage capacity, pairing 64GB of DDR5-5600 and 1TB with a 16-core Intel Core Ultra 9 285H, dual 10 Gigabit Ethernet and an internal power supply. The Asus Chromebox 5a remains the cheaper, more specialized choice: ChromeOS needs almost no maintenance and the box drives four displays through seven USB ports. Buy the Beelink GTi15 Ultra for a real workstation, a 10GbE network or a future GPU dock; buy the Asus Chromebox 5a for signage, classrooms and browser-only work on a budget.
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| Feature | Asus Chromebox 5a (Celeron 4GB + 128GB) | Beelink GTi15 Ultra (64GB + 1TB) | Winner |
|---|---|---|---|
| Price | $399.00 | $1499.00 | Asus Chromebox 5a (Celeron 4GB + 128GB) |
| Rating | 4.5 | 4.4 | Asus Chromebox 5a (Celeron 4GB + 128GB) |
| Memory Type | DDR4 | DDR5 | Beelink GTi15 Ultra (64GB + 1TB) |
| Memory Speed | 3200 MT/s | 5600 MT/s | Beelink GTi15 Ultra (64GB + 1TB) |
| Memory Capacity | 4 GB | 64 GB | Beelink GTi15 Ultra (64GB + 1TB) |
| Storage Capacity | 128 GB | 1 TB | Beelink GTi15 Ultra (64GB + 1TB) |
| CPU Model | Intel Celeron 7305 | Intel Core Ultra 9 285H | Different strengths |
| Memory Configuration | Single-channel | Dual-channel | Different strengths |
| GPU Model | Intel UHD Graphics | Intel Arc 140T | Different strengths |
What the differences mean
Operating system and class
The Asus Chromebox 5a runs ChromeOS on a Celeron 7305, while the Beelink GTi15 Ultra runs Windows 11 Pro on a 16-core Core Ultra 9 285H. The two are built for different jobs: browser sessions and cloud apps on one, full desktop workloads on the other.
Memory
The Asus Chromebox 5a starts at 4GB of DDR4-3200 and accepts 16GB; the Beelink GTi15 Ultra has 64GB of DDR5-5600 and reaches 128GB. The GTi15 Ultra has far more memory and the room to grow.
Storage
128GB on the Asus Chromebox 5a against 1TB plus a free second M.2 slot on the Beelink GTi15 Ultra. Cloud-first ChromeOS work tolerates a small drive; a Windows workstation does not.
Networking
The Beelink GTi15 Ultra has two 10 Gigabit Ethernet ports; the Asus Chromebox 5a has Gigabit Ethernet. For a NAS or a fast home network the GTi15 Ultra is in another class.
Power and expansion
The Beelink GTi15 Ultra has an internal 145W power supply and a PCIe 5.0 x8 slot for a desktop GPU dock. The Asus Chromebox 5a uses a 65W external adapter and offers no expansion beyond its replaceable memory and drive.
Ports and displays
The Asus Chromebox 5a has seven USB ports, a micro SD reader and four video outputs, more than the Beelink GTi15 Ultra and its three displays. The GTi15 Ultra answers with a fingerprint sensor, an SD card reader and built-in speakers and microphones.
Which one to buy if
- the machine is for signage, a classroom or a browser-only desk
The Asus Chromebox 5a runs ChromeOS with near-zero maintenance and drives four displays.
- you need a real Windows workstation
Only the Beelink GTi15 Ultra runs Windows 11 Pro on a 16-core Core Ultra 9 with 64GB of RAM.
- you run a 10 Gigabit network or a NAS
The Beelink GTi15 Ultra has two 10GbE ports; the Asus Chromebox 5a is limited to Gigabit.
- you want the lowest price
The Asus Chromebox 5a is the more affordable of the two.
- you want a single-cable desk with no power brick
The Beelink GTi15 Ultra has an internal 145W power supply, while the Asus Chromebox 5a uses an external adapter.
$399.00
- + Price: $399.00
- + Rating: 4.5
- - Memory Type: DDR4 vs DDR5
- - Memory Speed: 3200 MT/s vs 5600 MT/s
Winner
$1499.00
- + Memory Type: DDR5
- + Memory Speed: 5600 MT/s
- + Memory Capacity: 64 GB
- - Price: $1499.00 vs $399.00
- - Rating: 4.4 vs 4.5
Price history compared
Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.
- Asus Chromebox 5a (Celeron 4GB + 128GB)
- Beelink GTi15 Ultra (64GB + 1TB)
Loading price history...
Frequently Asked Questions
Which is better overall: Asus Chromebox 5a (Celeron 4GB + 128GB) or Beelink GTi15 Ultra (64GB + 1TB)?
As a general-purpose computer the Beelink GTi15 Ultra (64GB + 1TB) is far ahead, with a 16-core Core Ultra 9, 64GB of DDR5, dual 10GbE and an internal power supply. The Asus Chromebox 5a (Celeron 4GB + 128GB) is the right choice only where ChromeOS, a low price and a simple managed device are the priority.
What is the biggest difference between the Asus Chromebox 5a (Celeron 4GB + 128GB) and the Beelink GTi15 Ultra (64GB + 1TB)?
The class of machine. The Asus Chromebox 5a (Celeron 4GB + 128GB) is a ChromeOS thin client with a Celeron and 4GB of memory, while the Beelink GTi15 Ultra (64GB + 1TB) is a Windows 11 Pro workstation with 16 cores, 64GB of DDR5 and a 1TB drive.
Can the Asus Chromebox 5a (Celeron 4GB + 128GB) run Windows?
No, it runs ChromeOS, which supports web apps and Android apps but not native Windows software. The Beelink GTi15 Ultra (64GB + 1TB) is the one of the pair that ships with Windows 11 Pro.
Which is better for a video wall, the Asus Chromebox 5a (Celeron 4GB + 128GB) or the Beelink GTi15 Ultra (64GB + 1TB)?
The Asus Chromebox 5a (Celeron 4GB + 128GB), because it drives four displays and runs ChromeOS with minimal upkeep, which suits signage. The Beelink GTi15 Ultra (64GB + 1TB) supports three displays and is aimed at heavier desktop work.
Which has more upgradeable memory and storage, the Asus Chromebox 5a (Celeron 4GB + 128GB) or the Beelink GTi15 Ultra (64GB + 1TB)?
The Beelink GTi15 Ultra (64GB + 1TB) reaches 128GB of DDR5 and has two M.2 slots. The Asus Chromebox 5a (Celeron 4GB + 128GB) accepts up to 16GB of DDR4 and a single M.2 drive.
Who should buy the Beelink GTi15 Ultra (64GB + 1TB), and who should buy the Asus Chromebox 5a (Celeron 4GB + 128GB)?
Buy the Beelink GTi15 Ultra (64GB + 1TB) for Windows workloads, dual 10GbE, a future GPU dock and a single-cable desk. Buy the Asus Chromebox 5a (Celeron 4GB + 128GB) for kiosks, classrooms and browser-based fleets that want the lowest cost and the least maintenance.
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