Updated September 2026
Data from Amazon and official Asus and Geekom sites.
2026 verdict
Geekom GT1 Mega Ultra 9 is the desktop-replacement option and the winner here, running an Intel Core Ultra 9 185H with Arc graphics and an AI Boost NPU, 32GB of DDR5-5600 expandable to 64GB, a 2TB PCIe Gen4 SSD, Wi-Fi 7, Bluetooth 5.4, dual 2.5G Ethernet, two USB4 Type-C ports plus five USB 3.2 Type-A, an SD Card 4.0 reader, a Kensington slot and a 3 year warranty, in a 680 g aluminium chassis with a VESA mount included. Asus Chromebox 5a (Celeron 4GB + 128GB) targets a completely different buyer, offering ChromeOS with instant boot, automatic updates and Google admin console management, seven USB ports, dual HDMI 2.1, DisplayPort 1.4, a micro SD reader and Wi-Fi 6E, on a Celeron 7305 with 4GB of memory and 128GB of storage, at a fraction of the price. Buy Asus Chromebox 5a (Celeron 4GB + 128GB) for managed, browser-first work; buy Geekom GT1 Mega Ultra 9 when creative software, multi-monitor office work or light virtualisation are on the menu.
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| Feature | Asus Chromebox 5a (Celeron 4GB + 128GB) | Geekom GT1 Mega Ultra 9 | Winner |
|---|---|---|---|
| Price | $359.00 | $854.10 | Asus Chromebox 5a (Celeron 4GB + 128GB) |
| Rating | 4.4 | 4.5 | Geekom GT1 Mega Ultra 9 |
| Memory Type | DDR4 | DDR5 | Geekom GT1 Mega Ultra 9 |
| Memory Speed | 3200 MT/s | 5600 MT/s | Geekom GT1 Mega Ultra 9 |
| Memory Capacity | 4 GB | 32 GB | Geekom GT1 Mega Ultra 9 |
| Storage Capacity | 128 GB | 2 TB | Geekom GT1 Mega Ultra 9 |
| CPU Model | Intel Celeron 7305 | Intel Core Ultra 9 185H | Different strengths |
| Memory Configuration | Single-channel | Dual-channel | Different strengths |
| GPU Model | Intel UHD Graphics | Intel Arc Graphics | Different strengths |
10% OFF
$359.00
$399.00
- + Price: $359.00
- - Rating: 4.4 vs 4.5
- - Memory Type: DDR4 vs DDR5
Winner
10% OFF
$854.10
$949.00
- + Rating: 4.5
- + Memory Type: DDR5
- + Memory Speed: 5600 MT/s
- - Price: $854.10 vs $359.00
Frequently Asked Questions
Which is better overall, the Geekom GT1 Mega Ultra 9 or the Asus Chromebox 5a (Celeron 4GB + 128GB)?
Geekom GT1 Mega Ultra 9, with a Core Ultra 9 185H, 32GB of DDR5-5600, a 2TB Gen4 SSD, Wi-Fi 7, dual 2.5G Ethernet and dual USB4, under a 3 year warranty. Asus Chromebox 5a (Celeron 4GB + 128GB) competes only on price and ChromeOS simplicity.
What can the Geekom do that the Chromebox cannot?
Run demanding Windows software. Geekom GT1 Mega Ultra 9 handles creative applications, multi-monitor office setups and light virtualisation, according to owners. Asus Chromebox 5a (Celeron 4GB + 128GB) runs ChromeOS, so it is limited to browser-based and Android applications on entry-level hardware.
How do their display options compare?
Asus Chromebox 5a (Celeron 4GB + 128GB) has dual HDMI 2.1, DisplayPort 1.4 and a USB-C output, so four screens. Geekom GT1 Mega Ultra 9 has dual HDMI 2.0 plus two USB4 Type-C ports for flexible multi-monitor setups, though it has no dedicated DisplayPort.
Which is quieter?
The Chromebox is passive about noise because its Celeron barely works. Owners of Geekom GT1 Mega Ultra 9 report the fan becoming noticeably loud under sustained heavy load, which is the trade for its Core Ultra 9 performance.
Who should buy the Asus Chromebox 5a (Celeron 4GB + 128GB)?
Buyers deploying ChromeOS for classrooms, kiosks or signage who want automatic updates, central management, seven USB ports and four display outputs cheaply. Anyone doing creative or professional work should buy Geekom GT1 Mega Ultra 9 instead.
Full comparison table
Compare all 68 Mini PCs side by side
You are looking at two of them. The full table lines up all Mini PCs in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 68 Mini PCs
- 41 specs compared
- 38 filters
MINISFORUMX1 Lite-255 (32GB + 1TB)
$699.90
AsusNUC 15 Pro+ (Ultra 9 32GB + 1TB)
$1902.44
MINISFORUMMS-A2 (Ryzen 9 9955HX 96GB + 2TB)
$2099.00
AsusNUC 13 Pro Slim (i7 16GB + 512GB)
$949.99
AsusROG GR70 (RTX 5070 32GB + 2TB)
$2599.00
BeelinkMini S12 Pro (N100 16GB + 500GB)
$339.00
AsusNUC 15 Pro Slim (Core 5 16GB + 512GB)
$1100.84
GeekomIT13 2026 Edition (Ultra 7 32GB + 1TB)
$1399.00
BeelinkSER9 Pro (24GB + 1TB)
$689.00
AppleMac Mini (M4 16GB + 512GB)
$979.99
AppleMac Mini (M4 Pro 24GB + 512GB)
$1569.00
AppleMac Mini (M2 Pro 16GB + 512GB)
$1273.46
BeelinkSER5 Pro (16GB + 480GB)
$389.00
GMKtecNucBox M7 Ultra (32GB + 512GB)
$599.99
GeekomGT1 Mega Ultra 9
10% OFF$949.00$854.10
BeelinkMini S12 (N95 8GB + 480GB)
$289.00
MINISFORUMMS-S1 Max (128GB + 2TB)
$3799.00
GeekomA9 Mega (128GB + 2TB)
5% OFF$3999.00$3799.04
GMKtecNucBox G3 Pro (16GB + 512GB)
28% OFF$459.99$329.99
GMKtecNucBox M2 Pro S (16GB + 1TB)
$499.98
Mini PCsAsusAscent GX10 (128GB + 1TB)
4.0(79)$5998.96- Mini PCsAsus
Chromebox 5a (Celeron 4GB + 128GB)
4.4(35)10% OFF$399.00$359.00 - Mini PCsAsus
NUC 13 Pro Slim (i7 16GB + 512GB)
5.0(2)$949.99 
Mini PCsAsusNUC 14 Pro Tall (Ultra 7 32GB + 1TB)
4.1(29)$1299.99- Mini PCsAsus
NUC 15 Pro+ (Ultra 9 32GB + 1TB)
5.0(5)$1902.44 - Mini PCsAsus
NUC 15 Pro Slim (Core 5 16GB + 512GB)
$1100.84 
Mini PCsAsusNUC 16 Pro (Ultra 7 16GB + 512GB)
$1549.00
Mini PCsAsusNUC 16 Pro (Ultra X7 32GB + 1TB)
$2799.00- Mini PCsAsus
ROG GR70 (RTX 5070 32GB + 2TB)
5.0(2)$2599.00 
Mini PCsAsusROG NUC 16 (RTX 5060 32GB + 1TB)
$2499.00
Mini PCsAsusROG NUC 16 (RTX 5070 Ti 32GB + 1TB)
$3199.00
Mini PCsAsusROG NUC 16 (RTX 5080 32GB + 1TB)
3.6(4)$3699.00
Mini PCsAsusROG NUC 16 (RTX 5080 64GB + 2TB)
$4999.00
Mini PCsAsusROG NUC 2025 (RTX 5070 32GB + 1TB)
4.1(12)10% OFF$3899.00$3499.00
Mini PCsAsusROG NUC 2025 (RTX 5070 32GB + 2TB)
3.5(3)$3882.41
Mini PCsAsusROG NUC 2025 (RTX 5070 Ti 32GB + 2TB)
3.9(8)$3399.99
Mini PCsAsusROG NUC 2025 (RTX 5080 32GB + 2TB)
2.9(14)26% OFF$5299.00$3899.99
RoutersAsusROG Rapture GT-BE19000AI
3.6(35)$899.93
RoutersAsusROG Rapture GT-BE98 Pro
4.3(603)$684.99
RoutersAsusROG Strix GS-BE12000
4.2(133)16% OFF$399.99$337.19
Mini PCsGeekomA5 (Ryzen 5 16GB + 512GB)
4.2(165)12% OFF$395.10$349.00
Mini PCsGeekomA5 Pro (Ryzen 5 16GB + 512GB)
4.4(642)$569.00
Mini PCsGeekomA5 Pro 2026 Edition (16GB + 1TB)
4.3(678)$569.00
Mini PCsGeekomA6 (Ryzen 7 16GB + 1TB)
4.4(445)$599.00
Mini PCsGeekomA7 Max (Ryzen 9)
4.3(115)$699.00
Mini PCsGeekomA8 (Ryzen 7 16GB + 1TB)
4.3(414)$639.00
Mini PCsGeekomA8 Max (Ryzen 7)
4.1(46)$799.00
Mini PCsGeekomA8 Max (Ryzen 9)
4.3(147)14% OFF$1099.00$949.00
Mini PCsGeekomA9 Max (HX 370)
4.3(697)10% OFF$1299.00$1169.10
Mini PCsGeekomA9 Max (HX 470)
4.3(640)$1599.00- Mini PCsGeekom
A9 Mega (128GB + 2TB)
4.5(2)5% OFF$3999.00$3799.04 
Mini PCsGeekomA9 Mega (64GB + 1TB)
4.3(681)$2399.00
Mini PCsGeekomAX8 Max (16GB + 1TB)
4.3(346)10% OFF$649.00$584.10
Mini PCsGeekomGT1 Mega Ultra 5
4.4(29)$1299.00- Mini PCsGeekom
GT1 Mega Ultra 9
4.5(369)10% OFF$949.00$854.10 
Mini PCsGeekomIT13 (1TB)
4.4(643)$799.00- Mini PCsGeekom
IT13 2026 Edition (Ultra 7 32GB + 1TB)
4.8(9)$1399.00 
Mini PCsGeekomIT13 (2TB)
4.4(636)$599.00
Mini PCsGeekomIT15 (32GB + 1TB)
4.4(642)$1199.00
Mini PCsGeekomMini Air12 (Pentium 7505 8GB + 256GB)
4.3(261)10% OFF$299.00$269.10