Updated October 2026
Data from Amazon and official GMKtec and MINISFORUM sites.
2026 verdict
A unified memory pool and real Radeon graphics give the MINISFORUM MS-S1 Max (64GB + 2TB) the win over the GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB) in this mini PC matchup.
The MINISFORUM MS-S1 Max pairs a 16-core Ryzen AI Max+ 395 and Radeon 8060S graphics with 64GB of LPDDR5X-8000 quad-channel unified memory, a 2TB drive, two 10 Gigabit Ethernet ports, four USB4 connectors and an internal 320W supply. The GMKtec NucBox K13 is the lighter, lower-cost Windows desktop, with faster 8533 MT/s memory, dual USB4 ports, 5 Gigabit Ethernet and a 523 g body. Choose the MINISFORUM MS-S1 Max for local AI, GPU work and a compact workstation, and the GMKtec NucBox K13 for everyday Windows tasks at a fraction of the cost.
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| Feature | GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB) | MINISFORUM MS-S1 Max (64GB + 2TB) | Winner |
|---|---|---|---|
| Price | $589.99 | $2599.00 | GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB) |
| Rating | 4.7 | 4.8 | MINISFORUM MS-S1 Max (64GB + 2TB) |
| Warranty | 1 year | 2 years | MINISFORUM MS-S1 Max (64GB + 2TB) |
| Memory Speed | 8533 MT/s | 8000 MT/s | GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB) |
| Memory Capacity | 16 GB | 64 GB | MINISFORUM MS-S1 Max (64GB + 2TB) |
| Storage Capacity | 512 GB | 2 TB | MINISFORUM MS-S1 Max (64GB + 2TB) |
| CPU Model | Intel Core Ultra 7 256V | AMD Ryzen AI Max+ 395 | Different strengths |
| Memory Configuration | Soldered (non-upgradeable) | Quad-channel | Different strengths |
| GPU Model | Intel Arc 140V | AMD Radeon 8060S Graphics | Different strengths |
| NPU Model | Intel AI Boost NPU (47 TOPS) | AMD Ryzen AI NPU (50 TOPS) | Different strengths |
| Memory Type | LPDDR5X | LPDDR5X | Tie |
What the differences mean
Processor and graphics
The MINISFORUM MS-S1 Max runs a 16-core Ryzen AI Max+ 395 with Radeon 8060S graphics across 40 compute units. The GMKtec NucBox K13 runs an eight-core Intel Core Ultra 7 256V with Arc 140V graphics, an everyday part rather than a workstation one.
Memory
The MINISFORUM MS-S1 Max ships 64GB of LPDDR5X-8000 in a quad-channel unified pool shared by CPU, GPU and NPU. The GMKtec NucBox K13 has 16GB of LPDDR5X-8533 soldered. Both are fixed, but the MS-S1 Max carries four times as much.
NPU
The MINISFORUM MS-S1 Max's NPU is rated at 50 TOPS with up to 126 TOPS across the processor. The GMKtec NucBox K13's is rated at 47 TOPS with 115 TOPS overall, close on paper but paired with far less memory to hold local models.
Networking
The MINISFORUM MS-S1 Max has two 10 Gigabit Ethernet ports, Wi-Fi 7 and Bluetooth 5.4. The GMKtec NucBox K13 has a single 5 Gigabit Ethernet port, Wi-Fi 6E and Bluetooth 5.2.
Ports
The MINISFORUM MS-S1 Max carries four USB4 ports, two of them at 80Gbps, plus an HDMI 2.1 FRL output. The GMKtec NucBox K13 carries two USB4 ports and one HDMI 2.1 output.
Power and size
The MINISFORUM MS-S1 Max has an internal 320W supply and weighs 2.8 kg. The GMKtec NucBox K13 uses an external 100W adapter and weighs about 523 g, so it fits behind a monitor.
Which one to buy if
- you run local AI models or GPU workloads
The MINISFORUM MS-S1 Max's 64GB unified pool, Radeon 8060S graphics and 50 TOPS NPU are built for local inference and GPU tasks.
- you want a compact, low-cost Windows desktop
The GMKtec NucBox K13 is the more affordable machine and fits behind a monitor at about 523 g.
- you need 10 Gigabit Ethernet or four USB4 ports
The MINISFORUM MS-S1 Max has two 10 Gigabit Ethernet ports and four USB4 connectors, two at 80Gbps.
- you want the lighter, more affordable machine
The GMKtec NucBox K13 weighs about 523 g against 2.8 kg and usually costs far less than the MINISFORUM MS-S1 Max.
- you want an internal power supply
The MINISFORUM MS-S1 Max has a built-in 320W supply, while the GMKtec NucBox K13 uses an external 100W adapter.
$589.99
- + Price: $589.99
- + Memory Speed: 8533 MT/s
- - Rating: 4.7 vs 4.8
- - Warranty: 1 year vs 2 years
Winner
$2599.00
- + Rating: 4.8
- + Warranty: 2 years
- + Memory Capacity: 64 GB
- - Price: $2599.00 vs $589.99
- - Memory Speed: 8000 MT/s vs 8533 MT/s
Frequently Asked Questions
Which is better overall: GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB) or MINISFORUM MS-S1 Max (64GB + 2TB)?
The MINISFORUM MS-S1 Max (64GB + 2TB) is the more capable machine, with a 16-core Ryzen AI Max+ 395, Radeon 8060S graphics, 64GB of unified memory, two 10 Gigabit Ethernet ports and an internal 320W supply. The GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB) is the lighter, lower-cost everyday desktop.
What is the biggest difference between the GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB) and the MINISFORUM MS-S1 Max (64GB + 2TB)?
Memory and graphics class. The MINISFORUM MS-S1 Max (64GB + 2TB) has 64GB of unified memory shared by a 16-core Ryzen AI Max+ 395 and Radeon 8060S graphics, while the GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB) has 16GB of soldered memory and integrated Arc 140V graphics.
How much memory does the MINISFORUM MS-S1 Max (64GB + 2TB) have compared with the GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB), and can it be upgraded?
The MINISFORUM MS-S1 Max (64GB + 2TB) has 64GB of LPDDR5X-8000 soldered as a unified pool, four times the GMKtec NucBox K13's (Ultra 7 256V 16GB + 512GB) 16GB. Neither machine can be upgraded after purchase.
Which has more ports, the GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB) or the MINISFORUM MS-S1 Max (64GB + 2TB)?
The MINISFORUM MS-S1 Max (64GB + 2TB) has four USB4 ports, two of them at 80Gbps, and two 10 Gigabit Ethernet ports. The GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB) has two USB4 ports and one 5 Gigabit Ethernet port.
Who should buy the MINISFORUM MS-S1 Max (64GB + 2TB)?
Anyone running local AI models, GPU-accelerated creative work or a compact workstation who needs a large unified memory pool, fast networking and four USB4 ports.
Who should buy the GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB)?
Buyers who want a compact, affordable Windows 11 Pro desktop with a modern Intel Core Ultra processor, faster 8533 MT/s memory, dual USB4 and 5 Gigabit Ethernet for everyday work.
Full comparison table
Compare all 105 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.
- 105 Mini PCs
- 41 specs compared
- 38 filters
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Unavailable
MINISFORUMMS-S1 Max (128GB + 2TB)
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MINISFORUMMS-S1 Max (64GB + 2TB)
$2599.00
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AppleMac Mini (M2 Pro 16GB + 512GB)
Unavailable
AppleMac Mini (M4 16GB + 512GB)
Unavailable
GMKtecK17 Plus (32GB + 1TB)
15% OFF
$1299.99$1099.99- GMKtec
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$589.99 
MINISFORUMG1 Pro (32GB + 1TB)
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MINISFORUMM1-1390 (32GB + 1TB)
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MINISFORUMM1 Pro-125H (32GB + 1TB)
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Mini PCsGMKtecEVO-X3 (128GB + 2TB)
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Mini PCsGMKtecG11 Plus (16GB + 256GB)
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Mini PCsGMKtecNucBox G3 Pro (16GB + 512GB)
4.4(1,918)33% OFF$459.99$309.99
Mini PCsGMKtecNucBox G3S (8GB + 256GB)
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Mini PCsGMKtecK15 (32GB + 512GB)
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Mini PCsGMKtecK16 (32GB + 1TB)
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K17 Plus (32GB + 1TB)
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Mini PCsGMKtecNucBox M2 Pro S (16GB + 1TB)
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Mini PCsGMKtecNucBox M5 Ultra (32GB + 512GB)
4.3(1,007)25% OFF$559.99$419.99
Mini PCsGMKtecNucBox M6 Ultra (32GB + 1TB)
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Mini PCsGMKtecNucBox M7 Ultra (32GB + 512GB)
4.4(1,021)18% OFF$679.99$559.99
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NucBox K13 (Ultra 7 256V 16GB + 512GB)
4.7(50)$589.99
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MS-A2 (Ryzen 9 9955HX 96GB + 2TB)
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