#XFX RX 6800 SWFT Low clock speed. Temps are good, power is good.

1 messages · Page 1 of 1 (latest)

errant delta
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Memory does not seem overclocked but the core clock seems quite low (normal would be 1700-1815, boosting over 2100)

errant delta
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there's also this one which seems to match my bios version

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so why is it not reaching base clock?

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temperatures are okay and it's getting power from two separate 8pin pci-e cables

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driver wise everything is up to date

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same for windows

errant delta
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flipped the bios switch and both BIOS versions run at the same speed

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1159 tops

errant delta
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tried flashing a new ROM

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same result

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which is very weird

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XFX RX 6800 SWFT Low clock speed. Temps are good, power is good.

wide portal
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run superposition or 3dmark

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what load was runnning?

wide portal
errant delta
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Furmark

wide portal
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and dont say furmark

wide portal
errant delta
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Will try 3D mark demo

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Once I get home

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Or superposition if it’s free

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If I apply an OC + UV it gets to 2100 in furmark though. Not a counter argument just providing extra info

wide portal
wide portal
errant delta
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i seeee

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1175 in superposition

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1080 extreme directx 99% gpu usage

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pulling about 110W

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my PSU is a seasonic focus GX 750w

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1175 in steel nomad (3dmark) pulling about 120watts

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no idea what could be wrong here

errant delta
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@wide portal what's the next step? (sorry for @ if you're not available)

wide portal
errant delta
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Nope

wide portal
errant delta
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Ah that’s the clock speed

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Still even so why is the clock so much lower than advertised

wide portal
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whats gpu-z saying the limit

errant delta
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Clock? 2185 I think?

wide portal
errant delta
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Checking right now

wide portal
errant delta
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while running 3dmark i suppsoe

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i'll run it rn

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Around 1170

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While at 99% load

wide portal
errant delta
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Is that under advanced

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Last one with the loads was not while running

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3dmark score is 1977; average is 3196

wide portal
errant delta
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120 according to GPU-z

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125 tops

wide portal
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whats making it only use 50% of power limt

errant delta
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not sure

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it has 2 pci-e 8 pins in

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pci express link state power management is off

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everything is default in amd radeon adrenalin

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cables are plugged in properly

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CPU is at 25% so no bottleneck

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5600 OC and UV to ~4.6 Ghz

wide portal
errant delta
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PBO

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in bios

wide portal
errant delta
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not sure i just set something in bios to negative 15

wide portal
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ok

errant delta
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so yeah curve optimizer but i think all cores, not per core

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last thing to check would be pci-e cables on the PSU side

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but i'm 100% sure i've plugged them in properly

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sooo i really don't know what might be causing this

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even with another VBIOS it was only hitting that core clock

errant delta
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you asked about gaming performance

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125 FPS average in cyberpunk

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with OC + UV

wide portal
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i have no refence

errant delta
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73 with base (1175 gz)

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1080p ultra would be 100 fps base

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on this gpu

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any other ideas? 😅

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i'll tag linus haha

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probably shouldn't

errant delta
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still out of ideas?

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should i make another post?