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Re: Performance comparison of CPU: SuperFast-286 and AMD-386DX

Posted on 2016-01-19, 08:45

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Would be interesting also to see the comparision of 286 on same clock with 386SX. We had a discussion previously about is 286 faster than 386SX. The 286 should win that. As said, putting the 386 on a 16-bit bus results in inefficient bus usage. As we've seen here, even a true 386DX *with* cache can …

Re: Performance comparison of CPU: SuperFast-286 and AMD-386DX

Posted on 2016-01-19, 08:47

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Would be interesting also to see the comparision of 286 on same clock with 386SX. We had a discussion previously about is 286 faster than 386SX. The 286 should win that. As said, putting the 386 on a 16-bit bus results in inefficient bus usage. As we've seen here, even a true 386DX *with* cache can …

Re: Performance comparison of CPU: SuperFast-286 and AMD-386DX

Posted on 2016-01-19, 09:20

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Some musing, a card that can do 5250k has the bandwidth to do VGA at full speed, that's the bandwidth needed for 320x240@70fps, and 320x200@70 is 4375k, so from your vspeed results, on the 286 the ncr and cirrus card are capable of full speed for mode x, and 386 only the cirrus and only for VGA, …

Re: Performance comparison of CPU: SuperFast-286 and AMD-386DX

Posted on 2016-01-19, 11:28

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

If Software is coded for 386 the 286 lose. To get a real result whe need a Software that has a 16 and a 32bit Version for Benchmark. A 386 with a 16bit ISA Bus is also not optimal. I can imagine that a 386 with a 32bit Bus Interface will run much quicker. Does someone have a 386 EISA Board ?

Re: Performance comparison of CPU: SuperFast-286 and AMD-386DX

Posted on 2016-01-19, 11:47

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

When used with "equal" chipsets that is, many 286 chipsets are dog slow but some later ones seem to compete with the 386SX chipsets just fine. True. I have 2 286 motherboards, both have totally different performance figures, different chipsets. 286 systems based on Headland and VLSI seem to really …

Re: Performance comparison of CPU: SuperFast-286 and AMD-386DX

Posted on 2016-01-19, 12:24

by Anonymous Coward

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

386 EISA systems are pretty rare, but the most common ones are probably those made by AST. Unfortunately, they use the CUPID bus, which accepts the weird 64-pin CUPID memory. I believe Compaq sold a number of EISA systems as well. I have never seen a 3rd party EISA 386 motherboard in person, but …

Re: Performance comparison of CPU: SuperFast-286 and AMD-386DX

Posted on 2016-01-19, 12:32

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Chipsets have quite an impact on the system performance and it was true for 286 and it's true today. Problem is finding which ones are fast for each platform. It's much more difficult with old chipsets as not much old hardware exists - at least I only have 3 working 286 motherboards.

Re: Performance comparison of CPU: SuperFast-286 and AMD-386DX

Posted on 2016-01-19, 14:08

by Ekb

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

someone has 386sx? try to test and put the results here?

Re: Performance comparison of CPU: SuperFast-286 and AMD-386DX

Posted on 2016-01-19, 14:57

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Would be interesting also to see the comparision of 286 on same clock with 386SX. We had a discussion previously about is 286 faster than 386SX. The 286 should win that. I suppose same. But it would be good to have concrete experimental data in different tests and applications, - how much is the …

Re: Performance comparison of CPU: SuperFast-286 and AMD-386DX

Posted on 2016-01-20, 04:44

by Ekb

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

to Tertz Good idea! but I bad know English. :( Unfortunately, these game not work on XTs: 1) Wolf3d - optimized opcodes for 286 2) Formula One - 286+ While it's obvious that XT with 300-700 dhrystones is extremely slow . See on youtube: Cracked Wolf-3D on XT . It is very small window! Statistics …

Re: Performance comparison of CPU: SuperFast-286 and AMD-386DX

Posted on 2016-01-20, 09:25

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I'd keep it 286 only.

Re: Performance comparison of CPU: SuperFast-286 and AMD-386DX

Posted on 2016-01-20, 09:27

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

kixs wrote: I'd keep it 286 only. I'd extend to 386 as well, as Phil's VGA benchmark runs very poorly on those machines and it's mainly for 486 and faster.

Re: Performance comparison of CPU: SuperFast-286 and AMD-386DX

Posted on 2016-01-20, 10:17

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I have bad English. It's ok for this purpose as you've made this theme. Google translator may be used too. these game not work on XTs: 1) Wolf3d - optimized opcodes for 286 2) Formula One - 286+ If a test runs and gives more than 0, it may be used. If the test works only on higher CPU or testing …

Re: Performance comparison of CPU: SuperFast-286 and AMD-386DX

Posted on 2016-01-20, 10:41

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Ekb, I have a 386SX and a 50MHz Quartz to complete youe research! What videocard would you expect me to use? I've got Trident 8900 and WD 90C11-LR. Привет из Омска!

Re: Performance comparison of CPU: SuperFast-286 and AMD-386DX

Posted on 2016-01-20, 10:52

by Ekb

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

to RacoonRider hello! :) I have a Trident 8900С (1mb), I would be if that could compare with your results :) But it is also interesting even your WD 90C11-LR. I do not know how high-speed card? If no trouble, then check both? first Trident, after WD. The archive is the program CAPTURE - to save the …

Re: Performance comparison of CPU: SuperFast-286 and AMD-386DX

Posted on 2016-01-20, 11:15

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Here's the WD. I have doubts concerning speed 😀

Re: Performance comparison of CPU: SuperFast-286 and AMD-386DX

Posted on 2016-01-20, 22:04

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Scali wrote: The 286 should win that. There are interesting stats. Seems early 286 and 386SX have close performance per clock. Later models (286 16 MHz from ~1990, 386SX 20-25 MHz from 1992-summer) are 12% faster and are close too.

Re: Performance comparison of CPU: SuperFast-286 and AMD-386DX

Posted on 2016-01-22, 13:08

by Ekb

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

New test: 3DSpace: 286 = 15%. 386 = 19%. Best. I redid new archive, added more new programs. See first post.

Re: Performance comparison of CPU: SuperFast-286 and AMD-386DX

Posted on 2016-01-23, 10:20

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Besides pictures, to make the reading easier you need a table with all results gouped in it. I used Speed Test in my benchmark theme. I'd run it in long mode, not medium to get more accuracy.

Re: Performance comparison of CPU: SuperFast-286 and AMD-386DX

Posted on 2016-01-27, 18:26

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Is that 386 motherboard especially terrible? Truly underwhelming performance.

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