Will Radeon 7870 bottleneck FX-4100

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kadams161

kadams161

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Mar 17, 2013
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I just bought a Sapphire Radeon HD 7870 GHZ OC 2 GB 256 -bit card for $160 to improve lag (Very Little, Only on ultra) and performance in games like skyrim and far cry 3. I upgraded from an hd 7770 and am wondering how big of a difference i will see and if it will bottleneck badly. I am not worried too much about a small bottleneck if my performance is still very improved. In a few months i will probably upgrade my FX processor which i know is not a great series for gaming but i want to keep with my build as long as i can. which FX cpu should i go to?


Current Build

-AMD FX-4100 Zambezi 3.6GHz
-SAPPHIRE Radeon HD 7770 GHz Edition 1GB 128-bit
GDDR5
-G.SKILL Ripjaws Series 8GB -MSI 970A-G46 AM3+
-2 Western Digital WD
Blue 1TB 7200 RPM 64MB Cache
-CORSAIR CX series CX500 500W ATX12V -Cooler
Master Hyper 212 Plus
 
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HiTechObsessed
20 minutes isn't a very long time for Prime 95, but there really isn't a 'normal' for overclocking. I've seen CPUs that refuse to overclock past 100-200MHz even with voltage tweaking, and I've seen some able to go from 3.5 to 4.2 without touching voltage lol

Gaming wise, with a 7870 GHz, there may be a couple FPS difference, but nothing really noticeable at all. CPU performance wise, though, going to the Vishera platform would be a great improvement.
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HiTechObsessed

HiTechObsessed

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Dec 3, 2013
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Bottleneck? No. Will you get worse performance than an i7-4960x? Yes lol The 4100 only starts noticeably bottlenecking when you get into higher range CPUs.

And about a CPU upgrade, it depends on your budget. The 4300 or 4350 is good, but the 6300 or 6350 can be had for like $10 more. For about $150 or so you could get the 8320, or a hair more for the 8350. You shouldn't have to get a new motherboard either, which is nice, but you would have to check your BIOS version to see if Vishera is supported or not.
 
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kadams161

kadams161

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Mar 17, 2013
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Did you mean noticably bottlenecking when you get into higher range GPUs?
 
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kadams161

kadams161

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Mar 17, 2013
68
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Hah no problem. So you dont think it will be noticable it games? ive heard a million mixed reviews about the combination. Also my 4100 is OC to 4.2 Ghz. Which i did without changing the voltage and it runs fine on prime 95 for the 20 mins it was on there and normal use so far, is that normal?
 
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HiTechObsessed

HiTechObsessed

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Dec 3, 2013
5,430
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20 minutes isn't a very long time for Prime 95, but there really isn't a 'normal' for overclocking. I've seen CPUs that refuse to overclock past 100-200MHz even with voltage tweaking, and I've seen some able to go from 3.5 to 4.2 without touching voltage lol

Gaming wise, with a 7870 GHz, there may be a couple FPS difference, but nothing really noticeable at all. CPU performance wise, though, going to the Vishera platform would be a great improvement.
 
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