Use GPU-Z. This tool shows some specs about your cards.
Thanks man. My cards are 8GB but I will look at your roms for reference.
I managed to squeeze around 30 watts with 10 sols reduction per GPU:
- copy straps 1500 → 1625 → 1750 → 2000
- raise memory to 2100 and lower mV to 920
- editing GPU MHz and lowering mV
Here is my rom http://wikisend.com/download/971854/1184-2100.rom
I am still seeing some memory errors here and there I will try raising mv to 950 and report later.
1500 straps @2100 are too tight
Try 1900@960mV
1500 to 1625
1625 to 1750
1750 to 2000
What card are you referring to? Because RX480 benefits by upping the Memory MHz and decreasing GPU MHz.
Most amd 480 can be increased to 2250, but anything more than 2100 is not good for me.
ASUS RX 480 STRIX OC 8 GB is expensive and doesn’t do well with OC.
Anyone 
if EC errors occours, try to downclock or relax timings
Yes 1500 strap for 2000MHZ and more are pretty tight.
10 of my 12 RX470 can run those settings without EC errors.
Above 2050MHz the count up errors.
As the Sol/s gain is not that big on modifying the straps + clock on memory, I just run them at stock 1750MHz with the 1500 strap.
@AnorakSupra Please add mod bios RX 480 Red Devil 8GB
Original Bios here : VGA Bios Collection: Powercolor RX 480 8 GB | TechPowerUp
Edit :
GPU Clock : 1330 MHz
Memory Clock : 2000 MHz
1 Like
I guess mine was elpida. That explains it.
Added VBIOS for Powercolor RX480 Red Devil 8GB
Original
Memshift: 1500 strap @ 1625, 1750, 2000MHz, 1375 strap @ 1500 MHz
Memshift + OC: 1500 strap @ 1625, 1750, 2000MHz, 1375 strap @ 1500 MHz + 30 MHz core clock + 10 watt TDP
Added VBIOS for Sapphire RX470 Nitro+ 4GB Elpedia memory
Be careful now Claymore is pumping close to card TDP
M8 can u pls try out claymore v 7.0 on your card. Would like to know your hashrate and consumption. And what settings you used. Getting 146 sol per card atm and 800 watt from the wall for the whole rig.
It jumps from 130-160w per GPU roughly
I am on custom straps m8. Getting 800 from the wall for the whole rig. So 750/6=125w roughly. I think it’s a good one. Using -10 offset
1 Like
Im talking about Claymore v7.0 btw Claymore 6.0 wasn’t this intense.
1 Like
Yes, had to reduce core voltage by 100mV to hold my temps.
Cards stay unter 100 Watts.
But my VBIOS which i am using right now pumps round 155 - 160Sol/s with Claymore V7.
Hmmm i like hash. 
2 Likes
I dont see anything for MSI RX470 4GB. Can any of the RX470 4GB roms be used, or must it be MSI specific?
2 Likes
Nope, you have to match the memory size as well as the timings of the memory.
Also there are different clockspeeds and power settings for each brand.
I can fix a MSI RX470 4GB VBIOS for you.
1 Like
Added VBIOS for MSI RX470 4GB
Original
Memshift: 1500 strap @ 1625, 1750, 2000MHz, 1425 strap @ 1500 MHz, 1375 @ 1425MHz
Memshift + OC: 1500 strap @ 1625, 1750, 2000MHz, 1425 strap @ 1500 MHz, 1375 @ 1425MHz + 1300MHz core clock, 1750MHz memory clock, 100 watt TDP
1 Like
Doesn’t increasing the Memory Clock and decreasing GPU plus undervolting decreases power consumption?
As I said it reduces somewhat 30 watts per card with a very minimal sols reduction for me.
2 Likes