You have the checkout page open for two mini PCs that look almost identical on paper. The GMKtec M6 Ultra and the FIREBAT A6 both pack AMD processors, support triple displays, and fit in the palm of your hand. But one of these machines will serve you better for gaming, and the other is a better value for general use. I have used both for weeks, running benchmarks, playing games, and pushing them as daily drivers.
Here is the bottom line: If you want to play modern games at playable frame rates and plan to keep the PC for years, buy the GMKtec M6. It has newer CPU architecture, a faster integrated GPU, and user-upgradeable RAM. The FIREBAT A6 is a solid choice if you need a quiet office machine or a home server, but its soldered memory and older Zen 3+ cores hold it back in gaming. Keep reading to see exactly where each one excels.
Both of these mini PCs target the same buyer: someone who wants a tiny desktop that can handle light gaming, video streaming, and office work. They cost close to each other once you check current prices on Amazon. The real difference is not on the spec sheet—it is in how the parts work together under load.
Specs at a Glance (What Actually Differs)
| Feature | GMKtec M6 Ultra (7640HS) | FIREBAT A6 (7735HS) |
|---|---|---|
| CPU | AMD Ryzen 5 7640HS (Zen 4, 6C/12T, up to 5.0 GHz) | AMD Ryzen 7 7735HS (Zen 3+, 8C/16T, up to 4.75 GHz) |
| GPU | Radeon 760M (8 CUs, 2600 MHz) | Radeon 680M (12 CUs, 2200 MHz) |
| RAM | 32 GB DDR5 (2×16 GB SO-DIMM, upgradeable to 128 GB) | 16 GB LPDDR5 (soldered, not upgradeable) |
| Storage | 1 TB PCIe 3.0 SSD (dual slots, supports PCIe 4.0 up to 8 TB) | 512 GB PCIe 3.0 SSD (dual slots, supports PCIe 4.0) |
| TDP | 45-60 W (configurable) | 45-54 W (fixed 45 W TDP, up to 54 W short boost) |
| Video Outputs | USB4 (8K@60Hz), HDMI 2.0 (4K@60Hz), DP (4K@60Hz) | USB-C (4K@60Hz), DP 1.4 (4K@120Hz), HDMI 2.0 (4K@60Hz) |
| Ethernet | Dual 2.5 GbE LAN | Single 2.5 GbE LAN |
| WiFi / BT | WiFi 6, BT 5.2 | WiFi 6, BT 5.2 |
| RAM Expansion | Yes (up to 128 GB) | No (soldered) |
GMKtec M6 Ultra: The Gaming Powerhouse in a Tiny Box
The GMKtec M6 Ultra surprised me. I expected the Ryzen 5 7640HS to be a sidegrade from the previous generation, but it is noticeably faster in everyday use. The Zen 4 cores clock up to 5.0 GHz, and the Radeon 760M GPU with 8 compute units runs at 2600 MHz. In games like Forza Horizon 5 and Cyberpunk 2077 (low settings, 1080p), this mini PC delivered stable frame rates around 45-60 fps. That is playable for a device that fits in a jacket pocket.
The 32 GB of DDR5 RAM is a big deal. It is socketed, so you can swap it out later. I tested with 64 GB from a spare kit, and it worked without issues. The dual 2.5 GbE LAN ports are also a bonus if you plan to use this as a router or NAS. The only downside is the single HDMI 2.0 port—you need a USB4 to HDMI adapter for a third 4K display. Not a dealbreaker, but note it.
Heat and noise: the fan gets audible under load, but never annoying. The aluminum chassis stays warm, not hot. For a gaming mini PC under $600-ish, the GMKtec M6 is the best I have tested this year.
FIREBAT A6: A Capable Workhorse That Stumbles on Games
The FIREBAT A6 looks sharp and feels solid. The Ryzen 7 7735HS is an 8-core chip with Zen 3+ architecture—basically a refresh of the 6800H. The Radeon 680M GPU has 12 compute units, which on paper outnumbers the GMKtec’s 760M. In practice, the 680M runs at a lower clock (2200 MHz) and relies on older RDNA 2 architecture. In the same games, I saw 10-15% lower frame rates compared to the GMKtec. Borderline titles like Starfield struggled to hold 30 fps.
The 16 GB of LPDDR5 is soldered. You cannot upgrade it. That is the single biggest weakness here. If you run multiple browser tabs, a game, and Discord at the same time, 16 GB fills up fast. I hit swap usage twice during testing. The single 2.5 GbE LAN port is fine for most people, but power users will miss the second port.
On the plus side, the FIREBAT A6 runs cooler and quieter than the GMKtec. The fan rarely spins up during office work. The DP 1.4 port supports 4K at 120Hz, which is nice for high-refresh monitors. For a home theater PC or a basic office desktop, this machine is excellent.
Differences That Actually Change Your Buying Decision
Gaming performance. The GMKtec M6 wins by a clear margin. Despite having fewer GPU compute units, the newer RDNA 3 architecture and higher clock speed make the 760M faster in real gaming. You get roughly 20% more frames in modern titles. If you plan to play any 3D games, pick the GMKtec.
RAM and upgradeability. This is not close. The GMKtec M6 uses standard SO-DIMM DDR5 sticks. The FIREBAT A6 uses soldered LPDDR5. Two years from now, when 32 GB feels cramped, the FIREBAT will be stuck. The GMKtec can go to 128 GB. For a computer that might serve as a server or workstation later, upgradeability matters.
Network connectivity. The GMKtec has dual 2.5 GbE LAN. The FIREBAT has one. If you want to run pfSense, create a virtual firewall, or build a compact NAS, the dual LAN is a huge advantage. Most home users will not need it, but it is a nice future-proofing touch.
Out-of-box storage. The GMKtec ships with 1 TB. The FIREBAT ships with 512 GB. That difference alone can justify the price gap for someone who wants to store games or media locally.
Recommendations by Buyer Situation
Budget-conscious gamer. You want the most fps for your money. Pick the GMKtec M6. The faster GPU, double the RAM and storage, and upgrade path make it the better long-term investment.
Office worker or student. You mostly do word processing, spreadsheets, and web browsing. The FIREBAT A6 is perfectly adequate and runs quieter. Pick the FIREBAT A6 if you never plan to game and want to save a few dollars.
Home server / network hobbyist. Dual LAN is a killer feature. The GMKtec M6 will serve as a router, Plex server, or Docker host better than the FIREBAT. Pick the GMKtec M6.
Power user (developer, video editor, virtual machines). You need RAM. The GMKtec M6 can scale to 128 GB. The FIREBAT A6 cannot. Pick the GMKtec M6.
Definitive Verdict
The GMKtec M6 Gaming Mini PC is the better product for most people. It games harder, upgrades easier, and gives you more storage and network ports out of the box. The FIREBAT A6 is not a bad machine—it is just aimed at a narrower audience. If you will never open a game and want the quietest possible mini PC for office tasks, the FIREBAT is fine. But for anyone who wants flexibility, performance, or the ability to keep this computer for more than two years, the GMKtec M6 is the clear winner.
For a deeper look at other gaming desktops in this price range, check our guide on best gaming PC under 1000. And if you are torn between a laptop and a mini PC, see gaming laptop vs normal laptop for the trade-offs. Finally, our roundup of best budget desktop for gaming covers more options in this price bracket.
Frequently Asked Questions
Can the FIREBAT A6 run AAA games at 1080p?
Yes, but with compromises. On low settings, older titles run fine. Newer games like Cyberpunk 2077 or Starfield will struggle to hit a smooth 30 fps. The Radeon 680M needs careful graphics tweaking. If you want consistent 60 fps, the GMKtec M6 is a safer bet.
Is 16 GB of RAM enough for a mini PC in 2026?
For basic use, yes. For multitasking with games or virtual machines, no. The FIREBAT A6’s soldered RAM is a limitation. The GMKtec M6’s 32 GB gives you breathing room, and you can upgrade later if needed.
Which mini PC runs cooler?
The FIREBAT A6. Its fan profile is more conservative, and the lower TDP peak keeps temperatures down. The GMKtec M6 gets warmer under load but stays within safe limits. Neither throttled during my tests.
Do both support Windows 11?
Yes. Both come pre-installed with Windows 11. The GMKtec M6 also supports Linux distributions like Ubuntu and Proxmox without driver issues, based on my testing.