A friend gave me two Intel classmate PC platform Netbooks, one equipped with an Atom N450 Inves Nubi 10, (GMA 3150 5.5 W TDP) and a gigabyte of RAM, (expanded to two, because I have some spare DDR2 modules) and another with an Atom N2600, (it seems to be OEM since it only says Intel classmate PC on the labels), (GMA 3600 3.5W TDP) with a gigabyte of ram as well, but this one uses DDR3 and I do not have DDR3 modules available to expand it At the moment, I think the maximum the N2600 supports is two gigabytes officially, but unofficially it seems to support up to four gigabytes.
Atom N450 Windows XP tablet PC edition fully updated. Two gigabytes of ram.
GLQuake 1024x768 123.5 FPS
Quake 2 1024x768 67.6 FPS
No one lives forever 1024x768 24-60 FPS
Max Payne 800x600 17-40 FPS
Blood 2 1024x768 40-60 FPS
Return to castle Wolftein III 1024x768 30-40 FPS.
Half Life, I can't get started on this team.
Motorhead, without problems, apparently fluid with everything at maximum in 1024x768, I have not been able to measure the FPS rate in this game.
Atom N2600 Windows 7 32 fully updated. One gigabyte of ram, I think some problems are due to little RAM.
GLQuake 1024x768 59.7 FPS (VSYNC?)
Quake 2 1024x768 59.7 FPS (VSYNC?)
Max Payne 800x600 17-40 FPS
Thief 1024x768 40 FPS, but it hangs for no apparent reason, and it is not possible to finish the tutorial.
Half life varies greatly in FPS rate, with jumps between 20 and 50.
Motorhead is not playable, with a lot of graphical errors and very bad performance.
I would say that all video games that use the Quake/2/3 engine run surprisingly well on these computers.
It looks like OpenGL support is pretty good, if the game detects it.
Direct3D support is more of a lottery, it is curious that NOLF works very well and DeusEX does not exceed 15 FPS.
For some reason, I think the Lightech engine from Blood 2 and NOLF gets along very well with these GPUs.
It also seems clear that the Atom N450 is much more compatible than the N3600, probably due to more polished drivers and the help of Windows XP, which in my experience is very compatible with video games created for Windows 9x, although Windows 7 32-bit also surprises with its compatibility sometimes.
The two Netbooks have two USB ports and a VGA port, the image quality through VGA in my opinion is very good. The most modern, the N2600 also has HDMI. I tested them both with VGA and the one that has it, HDMI.
In the graphics driver options of both devices, there is an option to maintain the aspect ratio, which is very useful for reasons that I believe I do not need to explain.
It is curious that both have a fairly good screen with a native resolution of 1366x768 in ten inches, and also a resistive touch screen with a pointer, I have never seen this before on a Netbook, all the ones I have seen have a resolution of 1024x600.
In case anyone else wants to try, I think these Atom laptops are an option to try for games between 1997 and 2000, DirectX6-7, although I doubt the HT&L support, using an external monitor and a USB keyboard and mouse, especially if you use Windows XP, because they are very cheap nowadays since nobody wants them. Windows XP leaves out the most modern Atoms, the case of the GMA 3600 seems unique to me because it only has drivers for Windows 7 32, these drivers work well in Windows 8.1 32. I also tried Windows 8.1 32 on the N2600, and I was able to try GLQuake and Quake 2 without problems.
It is obvious that I only used 32-bit operating systems not because of the available RAM, I used them because of the compatibility with 16-bit installers.
Sorry for the long read, I just think it may serve as a reference for someone.
Edit: the Nubi 10 has a big battery in a fairly good health for its age, around three hours even playing Quake 😀