Updated September 2026
Data from Amazon and official Beelink and GMKtec sites.
2026 verdict
An entry-level budget pick against a well-equipped flagship: the GMKtec NucBox M7 Ultra (32GB + 512GB) rates higher with owners and leads on memory type, memory speed, memory capacity and storage capacity over the Beelink SER3 (16GB + 500GB). The SER3's dual-core Ryzen 3 3200U is the slowest processor in this comparison by a wide margin, built for browsing, documents and 4K playback rather than multitasking, though it still wins on price and carries a three-year warranty against the M7 Ultra's one year. The M7 Ultra's eight-core Ryzen 7 PRO 6850U and DDR5 memory put it in a different performance tier entirely, with dual 2.5G Ethernet and a front OCuLink port the SER3 cannot match. Buyers on a tight budget who only need a browsing and streaming machine should consider the Beelink SER3; buyers who need real processing headroom should pick the GMKtec NucBox M7 Ultra.
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| Feature | Beelink SER3 (16GB + 500GB) | GMKtec NucBox M7 Ultra (32GB + 512GB) | Winner |
|---|---|---|---|
| Price | $269.00 | $599.99 | Beelink SER3 (16GB + 500GB) |
| Rating | 4.4 | 4.5 | GMKtec NucBox M7 Ultra (32GB + 512GB) |
| Warranty | 3 years | 1 year | Beelink SER3 (16GB + 500GB) |
| Memory Type | DDR4 | DDR5 | GMKtec NucBox M7 Ultra (32GB + 512GB) |
| Memory Speed | 2400 MT/s | 4800 MT/s | GMKtec NucBox M7 Ultra (32GB + 512GB) |
| Memory Capacity | 16 GB | 32 GB | GMKtec NucBox M7 Ultra (32GB + 512GB) |
| Storage Capacity | 500 GB | 512 GB | GMKtec NucBox M7 Ultra (32GB + 512GB) |
| CPU Model | AMD Ryzen 3 3200U | AMD Ryzen 7 PRO 6850U | Different strengths |
| Memory Configuration | Dual-slot | Dual-channel | Different strengths |
| GPU Model | AMD Radeon Vega 3 | AMD Radeon 680M (12 cores, 2200 MHz) | Different strengths |
10% OFF
$269.00
$299.00
- + Price: $269.00
- + Warranty: 3 years
- - Rating: 4.4 vs 4.5
- - Memory Type: DDR4 vs DDR5
Winner
$599.99
- + Rating: 4.5
- + Memory Type: DDR5
- + Memory Speed: 4800 MT/s
- - Price: $599.99 vs $269.00
- - Warranty: 1 year vs 3 years
Frequently Asked Questions
Which is better overall: Beelink SER3 (16GB + 500GB) or GMKtec NucBox M7 Ultra (32GB + 512GB)?
The GMKtec NucBox M7 Ultra (32GB + 512GB) rates higher with owners and leads on memory type, memory speed, memory capacity and storage capacity. The Beelink SER3 (16GB + 500GB) wins on price and offers a longer warranty.
What is the biggest difference between the Beelink SER3 and the GMKtec NucBox M7 Ultra?
Processor class. The SER3 uses a dual-core, four-thread Ryzen 3 3200U built for light everyday tasks, while the M7 Ultra uses an eight-core, sixteen-thread Ryzen 7 PRO 6850U built for real multitasking and light creative work.
Which one has the longer warranty?
The Beelink SER3, covered for three years against the GMKtec NucBox M7 Ultra's single year.
Is the Beelink SER3 fast enough for everyday use?
For browsing with many tabs, office documents, streaming and 4K playback, yes. It is not suited to heavy multitasking, video editing or anything the GMKtec NucBox M7 Ultra's eight-core chip handles comfortably.
Who should buy the Beelink SER3?
Buyers on a tight budget whose workload is browsing, documents and media playback, and who value the longer three-year warranty over raw performance.
Who should buy the GMKtec NucBox M7 Ultra?
Buyers who need real multitasking power, faster DDR5 memory and dual 2.5G networking, and who are comfortable with a shorter one-year warranty.
Full comparison table
Compare all 65 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.
- 65 Mini PCs
- 41 specs compared
- 38 filters
MINISFORUMX1 Lite-255 (32GB + 1TB)
$699.90
AsusNUC 15 Pro+ (Ultra 9 32GB + 1TB)
$1899.00
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)
$1087.85
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
$1149.00
BeelinkMini S12 (N95 8GB + 480GB)
$289.00
BeelinkEQi 304 (24GB + 512GB)
$629.00
GeekomA9 Mega (128GB + 2TB)
5% OFF$3999.00$3799.04
GMKtecNucBox G3 Pro (16GB + 512GB)
$319.98
GMKtecNucBox M2 Pro S (16GB + 1TB)
$499.98
- Mini PCsBeelink
EQi 304 (24GB + 512GB)
4.5(85)$629.00 
Mini PCsBeelinkGTi14 (32GB + 1TB)
4.0(30)$1049.00
Mini PCsBeelinkGTi15 Ultra (64GB + 1TB)
4.3(33)$1499.00
Mini PCsBeelinkGTi15 Ultra (96GB + 2TB)
4.3(218)$1949.00
Mini PCsBeelinkGTR9 Pro (128GB + 2TB)
3.0(17)$3639.00- Mini PCsBeelink
Mini S12 (N95 8GB + 480GB)
4.5(262)$289.00 - Mini PCsBeelink
Mini S12 Pro (N100 16GB + 500GB)
5.0(2)$339.00 
Mini PCsBeelinkMini S13 (N150 16GB + 500GB)
4.2(33)$349.00
Mini PCsBeelinkSEi14 (32GB + 1TB)
4.3(33)$829.00
Mini PCsBeelinkSER10 Max (32GB + 1TB)
5% OFF$1299.00$1229.00- Mini PCsBeelink
SER3 (16GB + 500GB)
4.4(480)10% OFF$299.00$269.00 - Mini PCsBeelink
SER5 Pro (16GB + 480GB)
4.6(37)$389.00 - Mini PCsBeelink
SER8 (32GB + 1TB)
4.8(8)$939.00 
Mini PCsBeelinkSER9 Max (64GB + 1TB)
$1149.00- Mini PCsBeelink
SER9 Pro (24GB + 1TB)
4.8(7)$689.00
Mini PCsGMKtecG10 (16GB + 512GB)
4.1(293)$319.99- Mini PCsGMKtec
NucBox G3 Pro (16GB + 512GB)
4.4(1,668)$319.98 
Mini PCsGMKtecNucBox G3S (8GB + 256GB)
4.2(1,820)$249.99- Mini PCsGMKtec
NucBox M2 Pro S (16GB + 1TB)
4.4(749)$499.98 
Mini PCsGMKtecNucBox M5 Ultra (32GB + 512GB)
4.3(985)$559.99
Mini PCsGMKtecNucBox M6 Ultra (32GB + 1TB)
4.2(476)$629.99- Mini PCsGMKtec
NucBox M7 Ultra (32GB + 512GB)
4.5(1,018)$599.99