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Best Processor & Motherboard Combo for DDR3: i5-2500S, Gigabyte, Adata XPG, R9 280, 1600MHz

komandor64 9744 14
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  • #1 17008410
    komandor64
    Level 25  
    Posts: 1091
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    Hello colleagues

    My personal PC is already on the old i5-2500S with some poor Gigabyte motherboard. I wanted to change the platform and I don't know what for. I would like to save RAM - I am currently working on Adata XPG DDR3 2x4GB 1600 Mhz.

    GPU: XFX R9 280 3GB
    PSU: Chieftec 650W
    1xHDD 1TB and additional SSD 240GB

    I use the computer for practically everything - from writing @ to playing. Is "packaging" eg in the 4th generation i5 sensible? I liked the Ryzen platform, but I see that everything requires DDR4 memory.

    I have a limited budget of 1100 zlotys - RAM remains, so something should be found.
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  • #2 17008854
    dt1
    Admin of Computers group
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    The transition from the 2nd to the 4th generation is pointless. Sell your current memory, because it still can be done. Then I suggest Asrock Z370 PRO4, I3-8100 and 8GB DDR4, after selling RAM you will fit in the budget with such a configuration. There is no point in backing up by two generations due to your memory.
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  • #3 17009281
    komandor64
    Level 25  
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    And Ryzen 5 1500x and AM4 platform if I had to change memory?
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  • #5 17009381
    komandor64
    Level 25  
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    Indeed, a colleague is right. From what I read, the i3-8100 is just losing to Ryzen 1600x (except that it costs about 900 zlotys). My R9 280 should not "choke" with i3.
  • #6 17009400
    dt1
    Admin of Computers group
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    It's hard to say he's losing. In some applications he will win, in others he will lose. These are two different approaches to the topic of performance and it can't be simply said that the X processor is Y% faster / slower than the Z processor.

    As for the R9-280, nothing should be choking, since the 4th, 6th, 7th generation I5 processors were good for this card, then this i3 will also be (because actually it does not differ much from the i5-7400 / 7500.
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  • #7 17009462
    Dra98
    Moderator of Computers service
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    You can consider replacing the CPU, since the graphics card is enough for Xeon E3-1230 V2 / 1240/1260/1270 does the trick. It's still quite a powerful CPU at PLN 4xx worth considering.
    The downside of the new Intel platform is the blocking of support for new eighth generation processors by Z170 chipset boards, which had a relatively decent price, with the Z370 being expensive.
    IMO Xeon will be OK.
  • #8 17009553
    dt1
    Admin of Computers group
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    Searching on Allegro, I did not find such cheap Xeons, but maybe somewhere it can be found. On the other hand, investing in the old platform of this money will bring such benefits:

    - applications that can use up to four threads will accelerate by 10-15% max.
    - applications that can use more threads can be accelerated more (by 50% or more).

    In my opinion, the investment in Xeon is noteworthy only if you intend to load the processor with applications that can use more than 4 threads, otherwise little is achieved relative to the mounted I5-2500S.

    Plates from z170 (new) cost from 300-350 PLN up. The cheapest Z370 boards cost PLN 450. This is not such a nightmare difference. Waiting for a while (probably somewhere until spring) cheaper CDs for H110 and B360 should appear. If you wait a while, you can probably save ~ PLN 200 on the disc.
  • #9 17010303
    komandor64
    Level 25  
    Posts: 1091
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    I will agree with my friend's proposal dt1 : I will probably stay with I3-8100 and Asrock Z370 PRO4. With 8GB of DDR4 memory I will close to PLN 1,170.

    All in all, this topic can be considered closed. Thank you very much colleagues for help.
  • #10 17010427
    Jawi_P
    Level 36  
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    Generally, it is not worth exchanging this platform for a relative CPU, because this I3-8100, I do not know how it is from 2500S because it is a little more economical, but from the usual 2500 it is up to 15-20% more efficient and it does not achieve such an advantage in all applications. At least that's what the online tests say.
    My son has I5-2500 at home, and what is worth mentioning here? Well, there is nothing worth it in reasonable money. Giving 1000 PLN for 20-30% in my opinion is not worth it.
    Because you need to change MB, CPU and RAM.
    However, to reassemble the i3-8100, that's the most.
  • #11 17010692
    dt1
    Admin of Computers group
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    I3-8100 is slightly more than 30% faster than i5-2500S for applications using one core, and slightly more than 50% faster for applications using 4 or more threads (so say the tests that I found).

    If the processor is currently a limitation in the author's applications, it is worth replacing (the more that the z370 will still open the door to replace the processor with a six-core i5 / i7, if necessary). But here the Author would have to check if it is a problem of lack of processor performance or something else.

    Exactly - it would be worth asking, what is the reason for the modernization, in what applications is the current computer too weak?
  • #12 17010775
    komandor64
    Level 25  
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    As I mentioned before - I use the computer for everything - from writing @ to playing. And unfortunately when playing it can be seen that the processor is already getting short of breath ;) .

    In addition, my motherboard has also recently started to fix (system freeze, automatic shutdown, etc., I tested everything - starting from reinstalling the whole system and drivers to translating and testing each component to a working set - it turned out that the motherboard stops "banglać").
  • #13 17010777
    dt1
    Admin of Computers group
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    komandor64 wrote:
    when playing it can be seen that the processor is already getting short of breath

    How do you know that you are not a card? Have you checked it? :)

    komandor64 wrote:
    my motherboard has also recently started to fix (system freezees, automatic shutdown, etc., I tested everything - starting from reinstalling the whole system and drivers to translating and testing each of the components into a working set - it came to me that the disc stops whirring ").

    Have you replaced the power supply in your set with another one? Even a branded power supply can break down, and such random suspensions indicate, among other things, a possible failure of the power supply.
  • #14 17010837
    komandor64
    Level 25  
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    I uploaded my Radeon to the platform with i5-4690K (without OC) - a colossal difference (of course the same titles and graphic settings ;) ).

    As for the power supply, I added Zalman ZM-600LX and Vero L1 for testing - no changes ;) .
  • #15 17010839
    dt1
    Admin of Computers group
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    In this arrangement, replacing the whole makes some sense.

Topic summary

✨ The discussion revolves around upgrading an aging PC currently equipped with an Intel i5-2500S and a Gigabyte motherboard, while retaining Adata XPG DDR3 RAM. Users suggest that transitioning to a newer platform, such as Intel's i3-8100 with an Asrock Z370 PRO4 motherboard, is a viable option, despite the need to switch to DDR4 memory. The performance of the i3-8100 is noted to be significantly better than the i5-2500S, especially in multi-threaded applications. Alternatives like the Ryzen 5 1500X and Xeon E3 processors are also mentioned, with considerations of budget constraints and the potential for future upgrades. The user expresses concerns about current performance limitations during gaming and motherboard reliability issues, leading to the conclusion that a full upgrade is warranted.
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FAQ

TL;DR: Upgrading i5-2500S to i3-8100 delivers ~30% single‑core and ~50% multi‑core gains; “replace if CPU is the limit.” [Elektroda, dt1, post #17010692]

Why it matters: This FAQ helps DDR3 owners decide the smartest CPU/motherboard path for gaming and everyday work with an R9 280-class GPU.

Quick Facts

Is upgrading from i5‑2500S to a 4th‑gen Intel worth it if I keep DDR3?

No. The jump from 2nd‑gen to 4th‑gen is called pointless in the thread. The recommended path is to sell DDR3, move to DDR4, and pair i3‑8100 with a Z370 board. That route gives meaningful gains and a modern platform. [Elektroda, dt1, post #17008854]

Ryzen 5 1500X on AM4 vs i3‑8100—what’s better for mixed use and gaming?

Performance trades blows. “In some applications it will be better, in others it will be worse.” For general apps and games, the expert favored i3‑8100 at the time. AM4 means a Ryzen platform that requires DDR4, so budget for new RAM. [Elektroda, dt1, post #17009297]

Will my R9 280 bottleneck with an i3‑8100?

No. R9 280 was fine with i5‑4xxx/7xxx era CPUs, and i3‑8100 performs in that ballpark. Expect smooth pairing at 1080p with appropriate settings. [Elektroda, dt1, post #17009400]

Should I consider an LGA1155 Xeon (E3‑1230 v2) instead of a new platform?

It’s viable if you need more threads on the old board. E3‑1230 v2 offers strong multi‑threaded performance and appeared around PLN 4xx in discussion. It avoids a board/RAM swap, but you stay on an aging platform. [Elektroda, Dra98, post #17009462]

How much faster is a Xeon upgrade over i5‑2500S in real apps?

Expect about 10–15% in apps using up to four threads. Gains can exceed 50% where many threads are used. That makes sense for workloads like heavy multitasking or content tools. [Elektroda, dt1, post #17009553]

What total budget did the OP land on for i3‑8100 + Z370 + DDR4?

About PLN 1,170 for CPU, Asrock Z370 Pro4, and 8 GB DDR4. That figure reflects real prices discussed and helps plan a similar swap today. [Elektroda, komandor64, post #17010303]

Are Z370 motherboards overpriced, and will cheaper chipsets help?

Z370 started around PLN 450, while Z170 could be PLN 300–350. Cheaper chipsets were expected to arrive later, reducing total platform cost. [Elektroda, dt1, post #17009553]

How do I tell if the CPU or GPU is my gaming bottleneck?

Try this: 1) Test the GPU in a faster PC with the same settings. 2) Watch in‑game CPU/GPU usage and frame times. 3) Rule out PSU faults by swapping a known‑good unit. If performance jumps on a stronger CPU, your CPU was the limit. [Elektroda, dt1, post #17010777]

My PC freezes and shuts down—could it be the motherboard?

Maybe, but also check the power supply. Random freezes and shutdowns can indicate PSU issues, even with reputable brands. Swap in a good PSU before condemning the board. [Elektroda, dt1, post #17010777]

Is the i3‑8100 only ~15–20% faster than a stock i5‑2500?

One participant cited a 15–20% edge in some tests and questioned value versus cost. Treat this as a conservative view focused on selected apps. Context matters. [Elektroda, Jawi_P, post #17010427]

What performance gain did swapping to an i5‑4690K show with the same R9 280?

The user reported a “colossal difference” at the same game titles and settings when moving the R9 280 to an i5‑4690K system. That points to previous CPU limitation. [Elektroda, komandor64, post #17010837]

Does moving to Z370 now leave room for a later CPU upgrade?

Yes. The advisor noted Z370 keeps the door open to replace the processor with a six‑core i5/i7 later if needed. “If the processor is currently a limitation…it is worth replacing.” [Elektroda, dt1, post #17010692]

Does Ryzen require DDR4, and what is AM4 in this context?

Yes, the OP observed Ryzen platforms require DDR4. AM4 refers to the AMD motherboard socket used with CPUs like the Ryzen 5 1500X mentioned in the thread. Plan for new RAM if you switch. [Elektroda, komandor64, post #17008410]
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