Updated September 2026
Data from Amazon and official Asus and Geekom sites.
2026 verdict
ChromeOS versus Windows at the budget end, and the Geekom Mini Air12 (Pentium 7505 8GB + 256GB) wins this mini PC comparison.
It leads on price, 8GB versus 4GB, and 256GB versus 128GB, with Windows 11 Pro and a three-year warranty. The Asus Chromebox 5a (Celeron 4GB + 128GB) runs ChromeOS, and is the one with two HDMI 2.1 outputs, a full DisplayPort 1.4, Bluetooth 5.4 and up to four 4K screens. Choose the Mini Air12 as a cheap Windows terminal; choose the Chromebox 5a when a managed ChromeOS kiosk or video wall is the job.
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| Feature | Asus Chromebox 5a (Celeron 4GB + 128GB) | Geekom Mini Air12 (Pentium 7505 8GB + 256GB) | Winner |
|---|---|---|---|
| Price | $359.00 | $269.10 | Geekom Mini Air12 (Pentium 7505 8GB + 256GB) |
| Rating | 4.4 | 4.3 | Asus Chromebox 5a (Celeron 4GB + 128GB) |
| Memory Capacity | 4 GB | 8 GB | Geekom Mini Air12 (Pentium 7505 8GB + 256GB) |
| Storage Capacity | 128 GB | 256 GB | Geekom Mini Air12 (Pentium 7505 8GB + 256GB) |
| CPU Model | Intel Celeron 7305 | Intel Pentium Gold 7505 | Different strengths |
| Memory Configuration | Single-channel | Dual-channel | Different strengths |
| GPU Model | Intel UHD Graphics | Intel UHD Graphics (48 EUs) | Different strengths |
| Memory Type | DDR4 | DDR4 | Tie |
10% OFF
$359.00
$399.00
- + Rating: 4.4
- - Price: $359.00 vs $269.10
- - Memory Capacity: 4 GB vs 8 GB
Winner
10% OFF
$269.10
$299.00
- + Price: $269.10
- + Memory Capacity: 8 GB
- + Storage Capacity: 256 GB
- - Rating: 4.3 vs 4.4
Frequently Asked Questions
Which is better overall: Asus Chromebox 5a (Celeron 4GB + 128GB) or Geekom Mini Air12 (Pentium 7505 8GB + 256GB)?
The Geekom Mini Air12 (Pentium 7505 8GB + 256GB) is better overall on price, memory capacity and storage. The Asus Chromebox 5a (Celeron 4GB + 128GB) is the ChromeOS option with richer video outputs.
What is the biggest difference between Asus Chromebox 5a (Celeron 4GB + 128GB) and Geekom Mini Air12 (Pentium 7505 8GB + 256GB)?
The operating system. The Geekom Mini Air12 (Pentium 7505 8GB + 256GB) runs Windows 11 Pro with 8GB of DDR4 and a 256GB SSD. The Asus Chromebox 5a (Celeron 4GB + 128GB) runs ChromeOS with 4GB of DDR4-3200 and a 128GB SSD.
How do the display outputs compare?
The Asus Chromebox 5a (Celeron 4GB + 128GB) has two HDMI 2.1 outputs, a DisplayPort 1.4 and USB-C video. The Geekom Mini Air12 (Pentium 7505 8GB + 256GB) has one HDMI 2.0 and one Mini DisplayPort 1.4.
Who should buy the Geekom Mini Air12 (Pentium 7505 8GB + 256GB)?
Buyers who want a cheap Windows 11 Pro Pentium box with 8GB, 256GB and a three-year warranty should choose the Geekom Mini Air12 (Pentium 7505 8GB + 256GB).
Who should buy the Asus Chromebox 5a (Celeron 4GB + 128GB)?
Buyers who want ChromeOS, four-display video and a managed Celeron kiosk or signage box should choose the Asus Chromebox 5a (Celeron 4GB + 128GB).
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)
$1101.00
GeekomIT13 2026 Edition (Ultra 7 32GB + 1TB)
$1399.00
BeelinkSER8 (32GB + 1TB)
$939.00
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
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)
$1101.00 
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$3925.28
RoutersAsusROG Rapture GT-BE19000AI
3.6(35)$899.99
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(672)$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(642)$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 PCsGeekom
Mini Air12 (Pentium 7505 8GB + 256GB)
4.3(261)10% OFF$299.00$269.10