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AR15.COM
10/28/2025 7:09:23 PM EDT
Wanting to "build" a mini PC running an AMD 7840HS / 780m graphics.

They mostly come with 1Tb M.2 drives.

MOST come with 32Gb of ram.  Question is, is it worth the premium for 5600Mhz over 4800Mhz ram?
Thank you to DukeFan23 and dbrad197.
10/29/2025 9:41:52 AM EDT
[#1]
Originally Posted By Mugzilla:
Wanting to "build" a mini PC running an AMD 7840HS / 780m graphics.

They mostly come with 1Tb M.2 drives.

MOST come with 32Gb of ram.  Question is, is it worth the premium for 5600Mhz over 4800Mhz ram?
View Quote


To answer the title:  Yes, why not?

To answer the question: If you're doing Batocera just for retro stuff, you don't really need a stupidly powerful machine at all.  Ram speed is a moot point.  4800 is plenty of speed for any retro gaming you may do on the rig, remember RAM speed only helps the CPU process information faster. Retro gaming, even up to PS3 titles, will not benefit from minute speed differentials.  A PS3 had 256mb of DDR3 at 650 Mhz.

Does that mean faster speeds won't help? Nope, it will help, you just won't notice it.  At 1080p, on modern CPU bound games, we're talking 1% FPS.
10/29/2025 12:16:31 PM EDT
[Last Edit: Mugzilla][Edited] [#2]
I'm hoping to do PS2 stuff.....

@Jatobi
Thank you to DukeFan23 and dbrad197.
10/30/2025 5:45:15 PM EDT
[#3]
See above, you shouldn't have any issues.
10/30/2025 8:05:15 PM EDT
[#4]
Quote History
Originally Posted By jatobi:


To answer the title:  Yes, why not?

To answer the question: If you're doing Batocera just for retro stuff, you don't really need a stupidly powerful machine at all.  Ram speed is a moot point.  4800 is plenty of speed for any retro gaming you may do on the rig, remember RAM speed only helps the CPU process information faster. Retro gaming, even up to PS3 titles, will not benefit from minute speed differentials.  A PS3 had 256mb of DDR3 at 650 Mhz.


Does that mean faster speeds won't help? Nope, it will help, you just won't notice it.  At 1080p, on modern CPU bound games, we're talking 1% FPS.
View Quote


A PS3 game could run entirely in the cache of a modern processor.  
Preferred Pronoun: Space Lord Mutherfucker
10/31/2025 1:33:30 PM EDT
[#5]
Of course.

I have an aging RasPi in a 1Up arcade machine that I really really need to replace with a PC and Batocera. I just regret choosing the pi, it's really not cut out to be an arcade machine, sorry to the pi enthusiasts.
"The only way to stop a bad man with a Monocled Cobra is a good guy with a Mongoose". - soowah
11/13/2025 3:37:20 PM EDT
[#6]
I bought this mini PC:

https://www.amazon.com/dp/B0DFWNT1NK?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1

Powerful for gaming? Yes.

Not happy with the video output. Voltage is weak. I have to use an inline HDMI booster to get it to send signal to my TV.
Thank you to DukeFan23 and dbrad197.
1/24/2026 12:02:21 AM EDT
[#7]
Just updating this:

I didn't need an HDMI booster. I needed to set my PCs output resolution correctly.

To correctly get the bezels to display, resolution needs to be correct there too.

I cannot for the life of me get my Ti-994a roms to run.  I'd make a $50 donation to Batocera to get them to work!

Batocera is awesome. Built a custom joystick assembly for Tron and Disks of Tron:

Attached File
Thank you to DukeFan23 and dbrad197.
1/25/2026 9:11:29 PM EDT
[Last Edit: Drumbic][Edited] [#8]
OP I built my retro on a HP EliteDesk 705 G4 with a 2400g that I dropped a RX560 into it.  16gig DDR4 SO-DIMM ram. With Xbox wireless controller.  I also have it networked so if I want to add games or movies to Kodi, I plug in the ethernet cable to it and can see it from my desktop PC>

It's running smooth. Still some quarks I run into now and again. Like RDR2 running like crap on Xbox360...

Also added two fans just to help move air as it's mounted behind my TV

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Retro doesn't take much to run at all consul depending.  The kids absolutely love the old school stuff!
"NickGunar, forever welch.
-December 2021"

"Where's Daddy?"
"He's on a work trip with Jesus"
-Erika Kirk September 12, 2025
5/5/2026 8:40:08 PM EDT
[#9]
Update:

I built a few more control panels:

Attached File


Batocera is running AWESOME.

PSP, PS1, PS2, xbox, NES, SNES, GameCube, N64, Sega sg-1000, master system, 32x, Saturn, Genesis, Intellivision, ColecoVision, Atari 2600, 5200, 7800, and Ti99-4a.

My resolution problem was from the 1 in, 8 out HDMI switch. It only ran at 30Hz.
Thank you to DukeFan23 and dbrad197.

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