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RX 480 G1 overclocking Problems - wattman

Matty956

Matty956

Matty956

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Joined
30 Mar 2015
Posts
62
Right guys so after having a nightmare with amazon over a missing RX480 Devil, I've finally managed to get my hands on A gigabyte RX480 G1 8gb. now I know these aren't up there with the best custom 480s but I don't think there also as bad as there made out. I'm having a problem while using AMDS wattman overclocking tool, I've managed to settle on a overclock of 1380/2200 with temps around 70-75c using 1100mv at stage 7 and stock memory voltage. I've Tested this overclock using Valley/Heaven and 3dmark Firestrike and Hwinfo64. I don't experience any Artifacting or throttling issues at all and even the VRM sit at around 75-80c under full load. Now the problem is while doing some actual gaming, I can play for around 30 minutes then all of a sudden my games will crash with a error code like "error your video card may have been removed from your system or a video driver update is required" or "your system may not have enough resources to run at these settings". I've also encountered hard crashes while on the desktop out of nowhere with a pinkish coloured screen. none of this happens while running at stock speeds of 1290/2000 which leaves me to believe its a OC problem? :( I just don't get why all my benchmarks are Rock solid stable.
 
that is a bit of a downgrade tbh. i would not recommend using wattman to oc. its basically amd overdrive v2. msi afterburner or sapphire trixx works best for amd cards normally.
 
I used a G1 4GB for client build, as you said card got a bad rep for the cooler which works 100%, but hotter because of doing a better job :)

couldnt say I have a problem with it but used Xtreme software and told the client to use that over AMD.
 
Benchmarks are not real world tests, just because it run Heaven or valley etc.. does not make an OC stable, the fact games or even just your desktop crash would suggest the same.
Firstly though, 1100 is not max power you can give the card in wattman, try 1150 at teh top end, failing that, as others have suggested, try older drivers, but failing that, try lowering your OC, not all cards can go so high.
You can try Afterburner, but i found i got better and more stable OC with wattman that the latest AB.
 
try asus realbench as well. does a good job at real world stress testing of both the card and CPU at the same time with different tasks all round.

I tend to do 3d Mark for heat and will it pass, Valley to see any artifacts over a time then run Realbench for a few hours to see if anything crashes
 
Matty956 said:
Right guys so after having a nightmare with amazon over a missing RX480 Devil, I've finally managed to get my hands on A gigabyte RX480 G1 8gb. now I know these aren't up there with the best custom 480s but I don't think there also as bad as there made out. I'm having a problem while using AMDS wattman overclocking tool, I've managed to settle on a overclock of 1380/2200 with temps around 70-75c using 1100mv at stage 7 and stock memory voltage. I've Tested this overclock using Valley/Heaven and 3dmark Firestrike and Hwinfo64. I don't experience any Artifacting or throttling issues at all and even the VRM sit at around 75-80c under full load. Now the problem is while doing some actual gaming, I can play for around 30 minutes then all of a sudden my games will crash with a error code like "error your video card may have been removed from your system or a video driver update is required" or "your system may not have enough resources to run at these settings". I've also encountered hard crashes while on the desktop out of nowhere with a pinkish coloured screen. none of this happens while running at stock speeds of 1290/2000 which leaves me to believe its a OC problem? :( I just don't get why all my benchmarks are Rock solid stable.
Click to expand...

Sounds to me like either or both the Core Voltage and Memory voltage need to be increased.

Gaming sessions are a much better test than short benchmark sequences. Dial the memory back to stock first and focus on the Core clock. Use your current Core clock and increase voltage to 1125 and retest for 1/2 hours of gaming with the GPU usage pegged at 99%. Once you've confirmed no crashes, start on the memory increasing it 100Mhz at a time.

The pink stripped screen indicates a problem with the Memory overclock. The GPU removed message indicates a problem with the Core overclock.
 
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