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Sapphire HD7870 good enough to play next gen of games?

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May 26, 2013 7:40:27 AM

I have a Sapphire HD7870 and i can play Metro Last Light and Crysis 3 on full graphics, but on these high demanding games, when i mess around with FXAA, SSAA etc, the games start to get a bit sticky, my CPU is Athlon IIx4 3.0Ghz and my ram is 8GB Vengeance. Is it the processor thats trying to keep up with everything else? Would an i7 3770 do the job?
Also, will the Sapphire HD7870 be able to play the next generation of games on full graphics such as the new Watchdogs game and Call of Duty?
May 26, 2013 7:45:05 AM

I have to say that your CPU really bottlenecks your GPU... Even an FX 6350 will help you more. The i7 3770 will do the same peformance as an i5 3570k.
May 26, 2013 7:55:53 AM

crisan_tiberiu said:
I have to say that your CPU really bottlenecks your GPU... Even an FX 6350 will help you more. The i7 3770 will do the same peformance as an i5 3570k.


thanks for your reply, my friend has same graphics and ram as me, but his cpu is AMD A8 5600K Black Edition 3.6GHz quad core, and on Metro Last Light when he turns on SSA, Tessellation and VSYNC, his game sticks a little too, would you say its his CPU too? is the i5 and/or i7 that you mentioned, better than our AMD cpu's?

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May 26, 2013 8:31:49 AM

Since you have AMD motherboard, you might as well put Phenom II in it and that would save you upgrade to Intel. People usually pay premium prices to get Intel chip and motherboards.

If you have DDR3 that would help you switch to Intel side, since newer boards go with this type of memory.

The bottleneck can be defined in either CPU speed or CPU + system bus speed. So, if you can overclocking is a good option, for CPU, memory and even bus.
May 26, 2013 9:43:23 AM

yhikum said:
Since you have AMD motherboard, you might as well put Phenom II in it and that would save you upgrade to Intel. People usually pay premium prices to get Intel chip and motherboards.

If you have DDR3 that would help you switch to Intel side, since newer boards go with this type of memory.

The bottleneck can be defined in either CPU speed or CPU + system bus speed. So, if you can overclocking is a good option, for CPU, memory and even bus.


my knowledge is quite upto date with most things but i've never read anything about bus speed, could u tell me more about bus or have a link about it please? thanks
May 27, 2013 7:33:49 AM

Bus is what connects individual modules on motherboard to deliver information between them in speedy way. Modules are memory, PCIE bus and what is called nowadays North and South bridges.

Most modern CPUs including the model you listed, Athlon IIx4 are capable of executing at high speed, the speed being 3 GHz and up. Thus they have raw performance of 3 Ghz equally. AMD chips are also viewed to be slower than Intel on Windows platform due to programs favoring Intel chip.

It is possible to increase bus speed by upping North bridge frequency on motherboard. CPU always struggles with access to RAM. North Bridge provides link between CPU and RAM, thus influencing this link would give you faster access to memory for your CPU.

Now, I use bus word as meaning of delivering information between chunks of motherboard. There is what is called PCIE bus and can be also influenced to have higher speed, provided that your PCIE devices can handle increased speed.

Here is link about North Bridge : http://en.wikipedia.org/wiki/Northbridge_%28computing%2...

I have no means to check if your motherboard is capable of setting values manually for adjusting speeds. If you can, remember that North bridge overclocking will certainly produce more heat for other chips on your board. So plan accordingly.
May 27, 2013 7:56:19 AM

Open a demanding game.

Put ultra settings, observe it
Put high settings, observe it

Whats the difference? Almost nothing. you dont need ultra.
May 27, 2013 10:35:00 AM

yhikum said:
Bus is what connects individual modules on motherboard to deliver information between them in speedy way. Modules are memory, PCIE bus and what is called nowadays North and South bridges.

Most modern CPUs including the model you listed, Athlon IIx4 are capable of executing at high speed, the speed being 3 GHz and up. Thus they have raw performance of 3 Ghz equally. AMD chips are also viewed to be slower than Intel on Windows platform due to programs favoring Intel chip.

It is possible to increase bus speed by upping North bridge frequency on motherboard. CPU always struggles with access to RAM. North Bridge provides link between CPU and RAM, thus influencing this link would give you faster access to memory for your CPU.

Now, I use bus word as meaning of delivering information between chunks of motherboard. There is what is called PCIE bus and can be also influenced to have higher speed, provided that your PCIE devices can handle increased speed.

Here is link about North Bridge : http://en.wikipedia.org/wiki/Northbridge_%28computing%2...

I have no means to check if your motherboard is capable of setting values manually for adjusting speeds. If you can, remember that North bridge overclocking will certainly produce more heat for other chips on your board. So plan accordingly.


many thanks for your reply i appreciate this :) 
!