Can Sapphire HD 7750 GDDR3 or Sapphire HD 6570 4GB DDR3?

Zack Ditan · Apr 1, 2014

Here are my PC specs.

Intel(R) Core(TM) 2 Duo CPU
E4600 @ 2.40GHz
2.40 GHz, 1.96 GB of RAM
500GB
PSU 450 watts

Motherboard:
GigaByte
GA-G41M-ES2L

1. Which one should I get? sapphire HD 6570 4GB DDR3? or sapphire HD 7750 GDDR3?
2. Powersupply enough?
3. RAM enough?

I play dota 2 with lowest Resolution about 800x600.
So therefore, I would like to play Dota 2 with Max graphics and resolution about 1280x1024.

I also play modern games like:
Battlefield 4
Thief
Crysis 3
Dark Souls
Rust

rolli59 · Apr 1, 2014

The 7750 is the more powerful card and will work.

Zack Ditan · Apr 1, 2014

So this would work with all the games I said? And I won't be experiencing any problems with my outdated PC Processor and Ram? Is the power supply enough for it?

rolli59 · Apr 1, 2014

PSU is enough and it may be a little bottlenecked by the CPU but that is nothing that will stop it working well.

InvalidError · Apr 1, 2014

Any GPU with DDR3 memory will have horrible performance compared to a GPU with GDDR5 since the GDDR5 model has 2-3X as much RAM bandwidth and RAM bandwidth is far more important than having more than ~1.5GB RAM. 4GB DDR3 on a HD6570 is pointless since the HD6570 is nowhere near powerful enough to handle situations that might require anywhere near 4GB RAM. Between the two GPUs you named, the HD7750 with what I presumed you meant to say GDDR5 is the only one that makes sense by a wide margin.

CPU-wise, your 2.4GHz C2D and only 2GB system RAM are also likely to make your gaming miserable. A new GPU will help with bumping resolutions but you will need a faster CPU and more RAM to bump frame rates.

Zack Ditan · Apr 1, 2014

@rolli59 What is bottlenecking? What happens to my PC if that occurs?

Khaleal · Apr 1, 2014

Stay away from DDR3 graphics cards.. If you can afford the GDDR5 version of the HD 7750 it'll be awesome.

Zack Ditan · Apr 1, 2014

InvalidError :

So, GDDR5 is quite much better than GDRR3? I should upgrade my RAM to _ _GB? How bout my processor?

1. I think i will get short budget to upgrade my Processor and RAM for now.
2. Is it okay if I would be using the GPU for awhile?

Zack Ditan · Apr 1, 2014

Can my PC specs run GDDR5? Sorry but i don't have much knowledge bout this things. Pardon me.

smeezekitty · Apr 1, 2014

So, GDDR5 is quite much better than GDRR3? I should upgrade my RAM to _ _GB? How bout my processor?

Yes and atleast 4 GB

1. I think i will get short budget to upgrade my Processor and RAM for now.

I suggest getting the RAM as soon as you can. If your motherboard is unlocked
and your CPU cooler is half way decent, overclock the CPU to atleast 2.6-2.8 Ghz
On old low-clocked CPUs every MHz makes a difference

2. Is it okay if I would be using the GPU for awhile?

Yes

rolli59 · Apr 1, 2014

Zack Ditan :

Basically that means that the GPU will not run at its full potential when the CPU is. Nothing that is dangerous, it will be helpful for you to go to 4GB ram but with your CPU I do not think it matters if the card has DDR3 or DDR5 but if they are the same price go for DDR5. Vram and system ram are two different things and no matter what system ram you have you can run card with what ever Vram.

InvalidError · Apr 1, 2014

Zack Ditan :

I think you are getting DDR3, GDDR3 and GDDR5 confused.

Modern PCs and (very) low end GPUs use plain DDR3. Very OLD medium/high-end GPUs used GDDR3 - the last AMD/ATI GPUs to use GDDR3 were the HD3xxx series, which would be about six years ago, back when PCs still used DDR2 for system RAM. Current mid/high-end GPUs use GDDR5.

You can get the HD6570 in either DDR3 or GDDR5 flavors. There is no GDDR3 option.

rolli59 · Apr 1, 2014

DDR3 and GDDR3 is the same thing (basic chip) only called GDDR when installed on a Graphics card.

InvalidError · Apr 1, 2014

rolli59 :

Not really. GDDR3 has quad-data-rate signaling and separate read/write strobes while DDR2/3 use a single bidirectional strobe signal. Those are fairly significant divergences between DDR and GDDR.

The fundamental internal structure of DRAM chips has not changed much since SDRAM introduced clocked logic into DRAM chips nearly 20 years ago. From SDRAM to GDDR5, the only thing that really changed is the bus interface logic and even then, those are still relatively minor tweaks. This is a large part of the reason why DRAM standards tend to stick around for 7-10 years - there are few to no benefits to adopting new standards early since all they do is raise the entry-level standard to former premium levels.

Zack Ditan · Apr 1, 2014

InvalidError :

How many months will be fine for me to use my GPU? Maybe it'll take me 1-2 months before getting new RAM or processor.

Zack Ditan · Apr 1, 2014

rolli59 :

How many months will be fine for me to use my GPU? Maybe it'll take me 1-2 months before getting new RAM or processor.

rolli59 · Apr 1, 2014

As long as you like!

Zack Ditan · Apr 1, 2014

rolli59 :

1 more thing. What are the improvements i'll get when I'll upgrade my 2GB RAM to 4GB?

smeezekitty · Apr 1, 2014

Less disk swapping which leads to multi-second lags

InvalidError · Apr 2, 2014

Zack Ditan :

You will understand when you see it. It should provide a massive improvement in system responsiveness from reduced swapping and a lot less stuttering during gaming for the same reason.

Going from 4GB to 8GB would make things even smoother by leaving spare RAM for disk caching but if your system uses DDR2, getting 8GB of reasonably priced DDR2 memory might be difficult and not really worth the trouble if you plan on upgrading the rest of the system any time soon. If you get 2x2GB, you could aim for 6GB RAM assuming your current memory is 2x1GB.

Zack Ditan · Apr 2, 2014

InvalidError :

Zack Ditan :

You will understand when you see it. It should provide a massive improvement in system responsiveness from reduced swapping and a lot less stuttering during gaming for the same reason.

Going from 4GB to 8GB would make things even smoother by leaving spare RAM for disk caching but if your system uses DDR2, getting 8GB of reasonably priced DDR2 memory might be difficult and not really worth the trouble if you plan on upgrading the rest of the system any time soon. If you get 2x2GB, you could aim for 6GB RAM assuming your current memory is 2x1GB.

what is 2x1 GB or 2x2GB? How do I know which one I have?

InvalidError · Apr 2, 2014

Zack Ditan :

That would be the physical configuration of memory slots in your PC... 2x1GB = two DIMMs of 1GB each.

Most motherboards have four slots organized as two channels with two DIMMs each, allowing you to have up to four DIMMs installed. Ideally, the configuration of one channel should mirror the other so they can be operated as one wider channel.

As for how to check, you can use utilities like CPU-Z to take a look at your installed DIMM's SPD information or open your PC and pull the DIMMs out to look at what you have. Since you clearly must not be familiar with digging stuff out of PCs, you should probably stick to the software check.

Zack Ditan · Apr 2, 2014

i have 1 Kingston connected on the left side. Which is about 2GB? What do you mean by getting 6GB? Is that Possible? Haven't heard of that before.

Zack Ditan · Apr 2, 2014

smeezekitty :

Which part of the Fan do you mean? The stock fan of the motherboard? Or the with on the case?

InvalidError · Apr 2, 2014

Zack Ditan :

Since your motherboard is DDR2, has only two slots and 4GB DDR2 does not work on all boards/chipsets, your safest option is probably to try getting another, preferably identical, 2GB Kingston DDR2 DIMM.

Can Sapphire HD 7750 GDDR3 or Sapphire HD 6570 4GB DDR3?

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