GMKtec Mini PC GMKtec M6 Ultra Gaming Mini PC Ryzen 7640HS Review
This mini PC packs 32GB RAM and every port you need, but calling it a 'Gaming' PC is flat-out wrong. Here's what it's actually good for.
The 30-Second Version
Don't buy this for gaming. Buy it if you need a tiny box with tons of RAM and every port you can imagine for office or server work.
Overview
The GMKtec M6 Ultra is a weird little box that tries to do everything, but you need to know one thing: it's not a gaming PC. Calling it a 'Gaming Mini PC' is marketing nonsense. What it actually is is a surprisingly well-connected, compact workhorse with a ton of RAM and ports, built around a middle-of-the-pack CPU. If you need a tiny machine for office work, light development, or as a home server, it's a solid contender. If you're expecting to play anything beyond indie games or older titles, you'll be disappointed.
Performance
The performance story here is split. The Ryzen 5 7640HS CPU sits in the 33rd percentile, which means it's about average—it's fine for daily tasks and multitasking, but it's not a powerhouse. The real surprise is the integrated Radeon 760M GPU, which lands in the 8th percentile. That's 'dead last' territory for gaming. Our database shows it's a real letdown for anything demanding. However, the 32GB of DDR5 RAM (89th percentile) and the insane port selection (90th percentile, including USB4 and dual 2.5GbE LAN) are standout features that make this machine feel premium in other ways.
Pros & Cons
Pros
- The 32GB of DDR5 RAM is fantastic for multitasking and future-proofing. 96th
- Port selection is elite: USB4, dual 2.5GbE, triple display support—it's a connectivity champ. 90th
- It's a compact, clean package that's easy to tuck away. 89th
- Windows 11 Pro is included, which is nice for power users.
Cons
- The 'Gaming' claim is a joke. The integrated GPU is one of the worst we've seen for that purpose. 4th
- CPU performance is just average, not a speed demon. 8th
- Reliability scores are low (20th percentile), which raises some eyebrows about long-term durability. 20th
- The 1TB SSD is PCIe 3.0 and sits in the 4th percentile—it's slow storage for this class. 33th
The Word on the Street
Specifications
Full Specifications
Processor
| CPU | AMD Ryzen 5 6600H |
| Cores | 6 |
| Frequency | 5.0 GHz |
| L3 Cache | 16 MB |
Graphics
| GPU | Integrated |
| Type | integrated |
Memory & Storage
| RAM | 32 GB |
| RAM Generation | DDR5 |
| Storage Type | NVMe SSD |
Build
| Form Factor | Mini |
| Weight | 1.4 kg / 3.2 lbs |
Connectivity
| HDMI | HDMI 2.0 |
| Wi-Fi | WiFi 6 |
| Bluetooth | Yes |
| Ethernet | 2.5GbE |
System
| OS | Windows 11 Pro |
Value & Pricing
At around $510, the value is tricky. You're paying for the high RAM and excellent ports, not for raw power. If those specific features are critical for your home server or office setup, it's worth it. If you just want a fast general-purpose mini PC, there are better options for the money.
Price History
vs Competition
Compared to something like an HP OMEN or Dell Alienware desktop, the M6 Ultra obviously loses in raw gaming and CPU power—those are full-sized beasts. Among mini PCs, it's more interesting. The Asus ROG NUC packs a much more powerful dedicated GPU for real gaming, but costs more. The GMKtec wins if you prioritize max RAM and network/server features (dual 2.5GbE) over graphics. Against other Ryzen-based mini PCs, its value hinges on whether you need 32GB RAM right now.
| Spec | GMKtec Mini PC GMKtec M6 Ultra Gaming Mini PC Ryzen 7640HS | HP OMEN HP OMEN 45L Gaming Desktop, Intel Core Ultra 7 | Dell Aurora Dell Alienware Aurora Gaming Desktop | Lenovo Legion Tower Lenovo Legion Tower 5i Desktop Computer | Acer Nitro Acer Nitro 60 Desktop Computer | Asus ASUS Republic of Gamers NUC NUC15JNK Mini Desktop |
|---|---|---|---|---|---|---|
| CPU | AMD Ryzen 5 6600H | Intel Core Ultra 7 265K | Intel Core Ultra 9 285K | Intel Core Ultra 7 265F | AMD Ryzen 9 7900 | Intel Core Ultra 9 275HX |
| RAM (GB) | 32 | 32 | 32 | 32 | 64 | 32 |
| Storage (GB) | - | 2048 | 2048 | 2048 | 2048 | 1024 |
| GPU | Integrated | NVIDIA GeForce RTX 5080 | NVIDIA GeForce RTX 5080 | NVIDIA GeForce RTX 5070 Ti | NVIDIA GeForce RTX 5080 | NVIDIA GeForce RTX 5070 |
| Form Factor | Mini | Desktop | Desktop | Tower | Desktop | Mini |
| Psu W | - | 850 | - | 850 | 850 | 330 |
| OS | Windows 11 Pro | Windows 11 Pro | Windows 11 Home | Windows 11 Home | Windows 11 Home | Windows 11 Home |
Common Questions
Q: Can I really game on this?
No. You can play very old or simple indie games. Anything modern or demanding will struggle or fail. The GPU is weak.
Q: Is the 32GB RAM overkill?
For most office tasks, yes. But if you're running virtual machines, a home server, or heavy multitasking, it's perfect and a great feature.
Q: How reliable is it?
Our data shows reliability scores are low. Some users report early failures. The 1-year warranty is there, but be prepared to possibly use it.
Who Should Skip This
If you're looking for a mini PC to actually play games, this isn't it. Go get an Asus ROG NUC or a mini PC with a dedicated GPU instead. Also, if you just want the fastest CPU for general use, there are mini PCs with better processors for similar money.
Verdict
We can't recommend this as a gaming PC. Period. But as a compact, well-connected machine for office work, light development, or as a network/server box, it's a decent pick. Buy it for the RAM and ports, ignore the 'Gaming' label, and hope the reliability concerns don't bite you.