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| Feature | GMKtec NucBox G3S (8GB + 256GB) | GMKtec NucBox M6 Ultra (32GB + 1TB) | Winner |
|---|---|---|---|
| Price | $349.99 | $629.99 | GMKtec NucBox G3S (8GB + 256GB) |
| Memory Type | DDR4 | DDR5 | GMKtec NucBox M6 Ultra (32GB + 1TB) |
| Memory Capacity | 8 GB | 32 GB | GMKtec NucBox M6 Ultra (32GB + 1TB) |
| Storage Capacity | 256 GB | 1 TB | GMKtec NucBox M6 Ultra (32GB + 1TB) |
| CPU Model | Intel Processor N95 | AMD Ryzen 5 7640HS | Different strengths |
| Memory Configuration | Single-channel | Dual-channel | Different strengths |
| GPU Model | Intel UHD Graphics (up to 1200 MHz) | AMD Radeon 760M | Different strengths |
| Rating | 4.2 | 4.2 | Tie |
| Warranty | 1 year | 1 year | Tie |
- + Price: $349.99
- - Memory Type: DDR4 vs DDR5
- - Memory Capacity: 8 GB vs 32 GB
- + Memory Type: DDR5
- + Memory Capacity: 32 GB
- + Storage Capacity: 1 TB
- - Price: $629.99 vs $349.99
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.
- GMKtec NucBox G3S (8GB + 256GB)
- GMKtec NucBox M6 Ultra (32GB + 1TB)
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Frequently Asked Questions
Which is better overall: GMKtec NucBox G3S (8GB + 256GB) or GMKtec NucBox M6 Ultra (32GB + 1TB)?
The GMKtec NucBox M6 Ultra (32GB + 1TB) wins overall, with faster DDR5 memory and four times the RAM and storage of the GMKtec NucBox G3S (8GB + 256GB). Owner rating and warranty are tied between the two, and the GMKtec NucBox G3S (8GB + 256GB) wins only on price.
What is the biggest difference between the two GMKtec models?
Processor tier and memory generation. The GMKtec NucBox M6 Ultra (32GB + 1TB) runs a six-core Ryzen 5 7640HS with DDR5 memory, while the GMKtec NucBox G3S (8GB + 256GB) runs a four-core Intel N95 with older DDR4 memory.
Why does the GMKtec NucBox M6 Ultra have two Ethernet ports?
It is built with home lab and networking use in mind, so it includes dual 2.5G Ethernet ports for firewall or dual-network setups. The GMKtec NucBox G3S (8GB + 256GB) has only a single Gigabit Ethernet port.
Are the GMKtec NucBox G3S and M6 Ultra rated the same by owners?
Yes, their owner ratings and warranty terms are effectively tied, since GMKtec backs both models the same way. The difference between them is entirely in the hardware they ship with, not in build quality or support.
Who should buy the GMKtec NucBox G3S (8GB + 256GB)?
Buyers who want the cheapest complete Windows machine in GMKtec's lineup, for browsing and office work, should choose the GMKtec NucBox G3S (8GB + 256GB).
Who should buy the GMKtec NucBox M6 Ultra (32GB + 1TB)?
Buyers who want a genuine desktop replacement, a home lab box or dual-network routing, with room to grow, should choose the GMKtec NucBox M6 Ultra (32GB + 1TB).
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