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hvezdasmrti
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July 08, 2016, 06:40:42 PM |
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With the new drivers i cant overclock memories. Whatever i do, even 5mhz increment of memory frequency results in total degradation of core frequency and general performance. Even with 10 percent manually raised TDP limit. The core falls to 700-800mhz and performance decreases from 24MhashETH/840DCR to 16MhashETH/500DCR.
Without memory OC it works fine, better performance and lower power consumption. However with old drivers i had similar performance with overclocked memories so it seems that the wattmann is buggy and maybe showing bad memclock and the memory is in reality already fully overclocked (i installed drivers when memory was running at 2250Mhz*4 and the old driver performance was 23.5MhashETH/820DCR).
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Marvell1
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Activity: 2408
Merit: 1102
Leading Crypto Sports Betting & Casino Platform
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July 08, 2016, 11:32:04 PM |
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With the new drivers i cant overclock memories. Whatever i do, even 5mhz increment of memory frequency results in total degradation of core frequency and general performance. Even with 10 percent manually raised TDP limit. The core falls to 700-800mhz and performance decreases from 24MhashETH/840DCR to 16MhashETH/500DCR.
Without memory OC it works fine, better performance and lower power consumption. However with old drivers i had similar performance with overclocked memories so it seems that the wattmann is buggy and maybe showing bad memclock and the memory is in reality already fully overclocked (i installed drivers when memory was running at 2250Mhz*4 and the old driver performance was 23.5MhashETH/820DCR).
wait.. you were getting 820 DCR ? ive never seen anything that high , then again i had crashes over 2200 memory. I think the new drivers are bad as well, I had better experience with the old drivers im building a new rig right now i'll stay with the old drivers and try your settings |
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hvezdasmrti
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July 09, 2016, 09:44:31 AM |
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Yup, in claymore dualmining after finding the best ratio diff eth vs diff DCR the card has given me 23.2Mhash ETH/820Mhash DCR with old drivers (stock core, 2250Mhz mems). With new drivers i can get a little more, 24/840 with stock TDP and slightly more (24.3/850) with a 5 percent increase of TDP limit. Single ETH mining gives me now about 29Mhashes (28.5 with old driver). However my memories are now somewhat bugged because i was installing new driver at overclocked memories so the stock performance is adequate to 2250Mhz memory while wittmann is showing me 2000Mhz but whenever i try to overclock memories i get system freeze or the frequency of GPU goes incredibly low and card has almost no performance. So the card is showing 2000Mhz, hashing like with 2250mhz.
I will reinstall the whole system soon so i dont solve this too seriously.
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In Pump and Dump we trust.
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giagge
Legendary
Offline
Activity: 1134
Merit: 1001
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July 09, 2016, 12:27:10 PM |
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eth is profitable with 2 480x ? .
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Fanpant
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July 10, 2016, 10:18:20 AM |
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eth is profitable with 2 480x ? .
It is profitable if your electricity is low and you need to install the latest drivers to allocate the power properly. |
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nhando
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July 10, 2016, 04:00:27 PM |
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Would you recommend a 1300w or 1600w psu for a 6x rx 480 rig?
1300W EVGA for sure. That's what I'm powering my 6 x RX480 rigs. Plenty of power left to spare as 6 GPU rigs are only using between 950-1080 watts including CPU and MB. The range depends on what you set your power limits to be. EVGA also have 6 PCI connection so 1600W is not needed. |
Just "Mining" my own business.
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anthonydar
Full Member
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Activity: 203
Merit: 100
★CryptoGamesFX.com★
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July 11, 2016, 06:55:57 AM |
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Would you recommend a 1300w or 1600w psu for a 6x rx 480 rig?
1300W EVGA for sure. That's what I'm powering my 6 x RX480 rigs. Plenty of power left to spare as 6 GPU rigs are only using between 950-1080 watts including CPU and MB. The range depends on what you set your power limits to be. EVGA also have 6 PCI connection so 1600W is not needed. For the 6X RX480, 1300W is more than enough. Each card will take no more than 150W by specification. |
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giagge
Legendary
Offline
Activity: 1134
Merit: 1001
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July 11, 2016, 06:59:22 AM |
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eth is profitable with 2 480x ? .
It is profitable if your electricity is low and you need to install the latest drivers to allocate the power properly. This is correct , but now is best rx480 or 380 ? . |
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Amph
Legendary
Offline
Activity: 3206
Merit: 1069
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July 11, 2016, 08:02:03 AM |
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eth is profitable with 2 480x ? .
It is profitable if your electricity is low and you need to install the latest drivers to allocate the power properly. This is correct , but now is best rx480 or 380 ? . 480 is better hash/watt ratio |
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RastoMan
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July 11, 2016, 08:07:08 AM |
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eth is profitable with 2 480x ? .
It is profitable if your electricity is low and you need to install the latest drivers to allocate the power properly. This is correct , but now is best rx480 or 380 ? . 480 is better hash/watt ratio Is 480 better than R9 nano? |
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ldw-com
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July 11, 2016, 08:11:44 AM |
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eth is profitable with 2 480x ? .
It is profitable if your electricity is low and you need to install the latest drivers to allocate the power properly. This is correct , but now is best rx480 or 380 ? . 480 is better hash/watt ratio Is 480 better than R9 nano? Better is a wrong word. In case of hash/dollar/watt it's better yeah (hurts me to say so..) 24+Mh at under 80watt.. My nano's do 23.5Mh at the same rate. So yeah, 480 is slightly better.. Greetings |
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Dev_Sempak_coin
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July 11, 2016, 08:43:26 AM |
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anyone force oc his Rx 480 to reach 30mhs ?
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Amph
Legendary
Offline
Activity: 3206
Merit: 1069
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July 11, 2016, 09:23:48 AM |
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eth is profitable with 2 480x ? .
It is profitable if your electricity is low and you need to install the latest drivers to allocate the power properly. This is correct , but now is best rx480 or 380 ? . 480 is better hash/watt ratio Is 480 better than R9 nano? Better is a wrong word. In case of hash/dollar/watt it's better yeah (hurts me to say so..) 24+Mh at under 80watt.. My nano's do 23.5Mh at the same rate. So yeah, 480 is slightly better.. Greetings 24MH under 80w? no way, last time i checked it was 120w for 29 and it was an heavy modified bios and tweaking from a guy using linux, so not the normal at all |
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Armstand
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July 11, 2016, 12:09:21 PM |
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eth is profitable with 2 480x ? .
It is profitable if your electricity is low and you need to install the latest drivers to allocate the power properly. This is correct , but now is best rx480 or 380 ? . 480 is better hash/watt ratio Is 480 better than R9 nano? Better is a wrong word. In case of hash/dollar/watt it's better yeah (hurts me to say so..) 24+Mh at under 80watt.. My nano's do 23.5Mh at the same rate. So yeah, 480 is slightly better.. Greetings 24MH under 80w? no way, last time i checked it was 120w for 29 and it was an heavy modified bios and tweaking from a guy using linux, so not the normal at all Is that 80W at the wall? If so, it is quite efficient. I might buy some 470 when they come online later. |
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Amph
Legendary
Offline
Activity: 3206
Merit: 1069
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July 11, 2016, 01:28:04 PM |
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eth is profitable with 2 480x ? .
It is profitable if your electricity is low and you need to install the latest drivers to allocate the power properly. This is correct , but now is best rx480 or 380 ? . 480 is better hash/watt ratio Is 480 better than R9 nano? Better is a wrong word. In case of hash/dollar/watt it's better yeah (hurts me to say so..) 24+Mh at under 80watt.. My nano's do 23.5Mh at the same rate. So yeah, 480 is slightly better.. Greetings 24MH under 80w? no way, last time i checked it was 120w for 29 and it was an heavy modified bios and tweaking from a guy using linux, so not the normal at all Is that 80W at the wall? If so, it is quite efficient. I might buy some 470 when they come online later. only the nano does 80 with 23.5MH, no other gpu can do that, but 27 at 100w is better more density |
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adamvp
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July 11, 2016, 01:31:01 PM |
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Where can I buy it for about 200€ in Europe, now?
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I am looking for signature campaign  pm me |
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agente
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July 11, 2016, 02:14:05 PM |
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Better is a wrong word.
In case of hash/dollar/watt it's better yeah (hurts me to say so..)
24+Mh at under 80watt..
My nano's do 23.5Mh at the same rate. So yeah, 480 is slightly better..
Greetings
24MH under 80w? no way, last time i checked it was 120w for 29 and it was an heavy modified bios and tweaking from a guy using linux, so not the normal at all 24 at 80watt (underclock).. 29 at 120watt.. why not normal? it's real.. |
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AlphaSun
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July 11, 2016, 02:58:04 PM |
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Better is a wrong word.
In case of hash/dollar/watt it's better yeah (hurts me to say so..)
24+Mh at under 80watt..
My nano's do 23.5Mh at the same rate. So yeah, 480 is slightly better..
Greetings
24MH under 80w? no way, last time i checked it was 120w for 29 and it was an heavy modified bios and tweaking from a guy using linux, so not the normal at all 24 at 80watt (underclock).. 29 at 120watt.. why not normal? it's real.. Is that your personal experience? Helix did not say it is at the wall. If it is at the all, then it is excellent. |
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Amph
Legendary
Offline
Activity: 3206
Merit: 1069
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July 11, 2016, 03:14:58 PM |
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Better is a wrong word.
In case of hash/dollar/watt it's better yeah (hurts me to say so..)
24+Mh at under 80watt..
My nano's do 23.5Mh at the same rate. So yeah, 480 is slightly better..
Greetings
24MH under 80w? no way, last time i checked it was 120w for 29 and it was an heavy modified bios and tweaking from a guy using linux, so not the normal at all 24 at 80watt (underclock).. 29 at 120watt.. why not normal? it's real.. show pic of your wattmeter(at the wall) until then i'll not believe it, last claim was 24MH 100w, which is still somehow believable... |
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ubeyou
Newbie
Offline
Activity: 16
Merit: 0
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July 11, 2016, 04:26:00 PM |
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Managed to put 6 RX 480 on a mobo using Corsair RM1000i 1000W. Running fine for an hour or so. Will update if my rig shuts down.
P/S: Did not test it with watt meter
Setting: Stock Memory, GPU & Power, 60~80 Temperature, 2000~4000 Fan Speed
Rig: Intel Celeron, 8GB RAM, 1TB HDD, MSI Z87-GD65
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