Claymore's ZCash/BTG AMD GPU Miner v12.6 (Windows/Linux)

[toptek]

Last version of miner raised temperature to ETH level for 290 cards. Perhaps if new version will increase speed then temperature may become critical for me.
Perhaps this is the problem with cooling.

try Afterburner for fan speeds and heat control for eth miinig this is Zcash mining the heat is much lower and the cards uses less power .

[xeridea]

What are the implications in the comparison of efficiency/functionality of the following Rigs:

A)  2 xfx R9 295X2 = ~$900 = ~1000W = 1120 SOLs ZEC, 120MHs ETH

B)  6 RX 470s = ~$1100 = ~880W = 1120 SOLs ZEC, 164MHs ETH

C)  5 R9 390 = ~$1200 = ~800W = 1250 SOLs ZEC, ____MHs ETH

I think all of details / presumptions are correct.  This would lead me to believe, as it stands, that C would be the most efficient option...correct?

You might want to check power usage numbers again when mining ETH as its considerably higher than when mining ZEC.

Eth mining or dual mining?  Eth only uses similar power at stock clocks, and you can downclock a lot, allowing significantly lower voltages, further reducing power.

[AriesIV10]

What are the implications in the comparison of efficiency/functionality of the following Rigs:

A)  2 xfx R9 295X2 = ~$900 = ~1000W = 1120 SOLs ZEC, 120MHs ETH

B)  6 RX 470s = ~$1100 = ~880W = 1120 SOLs ZEC, 164MHs ETH

C)  5 R9 390 = ~$1200 = ~800W = 1250 SOLs ZEC, ____MHs ETH

I think all of details / presumptions are correct.  This would lead me to believe, as it stands, that C would be the most efficient option...correct?

You might want to check power usage numbers again when mining ETH as its considerably higher than when mining ZEC.

You have a very good point there!  I am rephrasing:
Also, the assumption would be that there would not be dual mining with ETH, ETH only.

What are the implications in the comparison of efficiency/functionality of the following Rigs:

A)  2 xfx R9 295X2 = ~$900 = ~1000W = 1120 SOLs ZEC;            ~___W = 120MHs ETH

B)  6 RX 470s = ~$1100 = ~880W = 1120 SOLs ZEC;                    ~920W = 164MHs ETH

C)  5 R9 390 = ~$1200 = ~800W = 1250 SOLs ZEC;                     ~___W =____MHs ETH

I think all of details / presumptions are correct.  This would lead me to believe, as it stands, that C would be the most efficient option...correct?

[Hotmetal]

Eth mining or dual mining?  Eth only uses similar power at stock clocks, and you can downclock a lot, allowing significantly lower voltages, further reducing power.

You can downvolt as much as you want, ETH is always going to be considerably higher on on powerdraw than ZEC.

[thedreamer]

How do you get 800watts from 5 r9-390's and still get 1250h/s?
Also you're forgetting power from the system itself.

[forato]

Anyone have sol/s for R9 Fury 4GB on claymore 8?

About speeds and hashes...Again  https://en.wikibooks.org/wiki/Claymore8.0_card_speeds

This is so helpfull thanks a lot!

[Hotmetal]

You have a very good point there!  I am rephrasing:
Also, the assumption would be that there would not be dual mining with ETH, ETH only.  This includes using a dual miner in single mode.


What are the implications in the comparison of efficiency/functionality of the following Rigs:

A)  2 xfx R9 295X2 = ~$900 = ~1000W = 1120 SOLs ZEC;            ~___W = 120MHs ETH

B)  6 RX 470s = ~$1100 = ~880W = 1120 SOLs ZEC;                    ~920W = 164MHs ETH

C)  5 R9 390 = ~$1200 = ~800W = 1250 SOLs ZEC;                     ~___W =____MHs ETH

I think all of details / presumptions are correct.  This would lead me to believe, as it stands, that C would be the most efficient option...correct?

Even when not dual mining, ETH is still considerably higher than ZEC mining.

Anyways, when you factor in depreciation, resale value, age of the cards and future coins / support, I (personally) would choose the 470's.
Also keep in mind, 2gig cards can no longer mine ETH/ETC so their mining power is forced to go into ZEC (and 3gig cards later) so ZEC difficulty will continue to climb and become even more unprofitable.

[antantti]

You can downvolt as much as you want, ETH is always going to be considerably higher on on powerdraw than ZEC.

Wait for a week or two 

[Hotmetal]

How do you get 800watts from 5 r9-390's and still get 1250h/s?
Also you're forgetting power from the system itself.

A lot of people do not factor in power draw from the system itself.
Once the cards start pulling lots of power, the motherboard pulls considerably more power as well.
(there's a video on youtube somewhere showing that by using 2 PSUs, 1 for the motherboard/hd/etc and 1 PSU for the GPUs.. Was pretty interesting!)

[xeridea]

Eth mining or dual mining?  Eth only uses similar power at stock clocks, and you can downclock a lot, allowing significantly lower voltages, further reducing power.

You can downvolt as much as you want, ETH is always going to be considerably higher on on powerdraw than ZEC.

I could downvolt eth only to use ~80w stock clocks, GPU-Z (not at wall, but same card so it's relevant).  ZEC uses similar.  If you downclock to say 1000MHz instead of 1260, you get same speed on Eth (zec suffers), but you can lower voltage another 100mv or more, chopping off perhaps another 20w (haven't tested yet).

[AriesIV10]

You have a very good point there!  I am rephrasing:
Also, the assumption would be that there would not be dual mining with ETH, ETH only.  This includes using a dual miner in single mode.


What are the implications in the comparison of efficiency/functionality of the following Rigs:

A)  2 xfx R9 295X2 = ~$900 = ~1000W = 1120 SOLs ZEC;            ~___W = 120MHs ETH

B)  6 RX 470s = ~$1100 = ~880W = 1120 SOLs ZEC;                    ~920W = 164MHs ETH

C)  5 R9 390 = ~$1200 = ~800W = 1250 SOLs ZEC;                     ~___W =____MHs ETH

I think all of details / presumptions are correct.  This would lead me to believe, as it stands, that C would be the most efficient option...correct?

Even when not dual mining, ETH is still considerably higher than ZEC mining.

Anyways, when you factor in depreciation, resale value, age of the cards and future coins / support, I (personally) would choose the 470's.
Also keep in mind, 2gig cards can no longer mine ETH/ETC so their mining power is forced to go into ZEC (and 3gig cards later) so ZEC difficulty will continue to climb and become even more unprofitable.

Very good advice!  I will take the blue pill.  Thanks Again!

[Hotmetal]

I could downvolt eth only to use ~80w stock clocks, GPU-Z (not at wall, but same card so it's relevant).  ZEC uses similar.  If you downclock to say 1000MHz instead of 1260, you get same speed on Eth (zec suffers), but you can lower voltage another 100mv or more, chopping off perhaps another 20w (haven't tested yet).

Sure you can downvolt to that extreme but your hash per watt suffers past certain points.

Anyways, good luck doing that 2 times a day per card if you're using the RX series if you're wanting to mine whatever is the most profitable.

[antantti]

A)  2 xfx R9 295X2 = ~$900 = ~1000W = 1120 SOLs ZEC;            ~___W = 120MHs ETH

B)  6 RX 470s = ~$1100 = ~880W = 1120 SOLs ZEC;                    ~920W = 164MHs ETH

C)  5 R9 390 = ~$1200 = ~800W = 1250 SOLs ZEC;                     ~___W =____MHs ETH

I think all of details / presumptions are correct.  This would lead me to believe, as it stands, that C would be the most efficient option...correct?

a) would push those to the limits with default cooler & settings ~1100W. 2 x 295x2 = 4 x 290x = 4 x 44cu

b) 100 pages about this but how many at the wall posts?

c) you can do it with 800W but if power saving is your primary target then go with 470s. 5 x 390 = 5 x 40cu.

Can run some quick numbers with c) if you are interested, I have one 3x390 with power meter.

[Hotmetal]

A)  2 xfx R9 295X2 = ~$900 = ~1000W = 1120 SOLs ZEC;            ~___W = 120MHs ETH

B)  6 RX 470s = ~$1100 = ~880W = 1120 SOLs ZEC;                    ~920W = 164MHs ETH

C)  5 R9 390 = ~$1200 = ~800W = 1250 SOLs ZEC;                     ~___W =____MHs ETH

I think all of details / presumptions are correct.  This would lead me to believe, as it stands, that C would be the most efficient option...correct?

a) would push those to the limits with default cooler & settings ~1100W. 2 x 295x2 = 4 x 290x = 4 x 44cu

b) 100 pages about this but how many at the wall posts?

c) you can do it with 800W but if power saving is your primary target then go with 470s. 5 x 390 = 5 x 40cu.

Can run some quick numbers with c) if you are interested, I have one 3x390 with power meter.

This is a rig with measurements at the wall for both ZEC and ETH using 6 x RX480's (this includes motherboard,ram,hd into the WPC)

Card        Volt/Rom        Miner            GPU MEM   ZEC (h/s)   WATT  HPW  WPC           ETH (h/s)  WATT   HPW   WPC
RX480     -100mv      Claymore v8      1150 2100     1075        720   1.493 120              175          880    0.198   147

[Socket54]

Based on the power consumption of claymores miner, is it safe to say that a Corsair RM1000i can handle 3 RX 480's on powered risers?
Here is the power use with 2 RX 480's
photo sharing

[masewild]

Based on the power consumption of claymores miner, is it safe to say that a Corsair RM1000i can handle 3 RX 480's on powered risers?
Here is the power use with 2 RX 480's
photo sharing

There is no problem. If you undervolt the cards, you should be able to support 5 to 6 cards without any problem.

[Hotmetal]

Based on the power consumption of claymores miner, is it safe to say that a Corsair RM1000i can handle 3 RX 480's on powered risers?
Here is the power use with 2 RX 480's

Easily 5 cards. Undervolt with 6.

[joaocha]

Based on the power consumption of claymores miner, is it safe to say that a Corsair RM1000i can handle 3 RX 480's on powered risers?
Here is the power use with 2 RX 480's

Easily 5 cards. Undervolt with 6.

I feed 4 rx 480 with a corsair 750w ( gpu + risers)

You can count each card around 120 - 140 W

[AriesIV10]

A)  2 xfx R9 295X2 = ~$900 = ~1000W = 1120 SOLs ZEC;            ~___W = 120MHs ETH

B)  6 RX 470s = ~$1100 = ~880W = 1120 SOLs ZEC;                    ~920W = 164MHs ETH

C)  5 R9 390 = ~$1200 = ~800W = 1250 SOLs ZEC;                     ~___W =____MHs ETH

I think all of details / presumptions are correct.  This would lead me to believe, as it stands, that C would be the most efficient option...correct?

a) would push those to the limits with default cooler & settings ~1100W. 2 x 295x2 = 4 x 290x = 4 x 44cu

b) 100 pages about this but how many at the wall posts?

c) you can do it with 800W but if power saving is your primary target then go with 470s. 5 x 390 = 5 x 40cu.

Can run some quick numbers with c) if you are interested, I have one 3x390 with power meter.

This is a rig with measurements at the wall for both ZEC and ETH using 6 x RX480's (this includes motherboard,ram,hd into the WPC)

Card        Volt/Rom        Miner            GPU MEM   ZEC (h/s)   WATT  HPW  WPC           ETH (h/s)  WATT   HPW   WPC
RX480     -100mv      Claymore v8      1150 2100     1075        720   1.493 120              175          880    0.198   147

WOW that HPW at 1.493 is really Amazing!  The 0.198 is also up there!

[Marvell1]

A)  2 xfx R9 295X2 = ~$900 = ~1000W = 1120 SOLs ZEC;            ~___W = 120MHs ETH

B)  6 RX 470s = ~$1100 = ~880W = 1120 SOLs ZEC;                    ~920W = 164MHs ETH

C)  5 R9 390 = ~$1200 = ~800W = 1250 SOLs ZEC;                     ~___W =____MHs ETH

I think all of details / presumptions are correct.  This would lead me to believe, as it stands, that C would be the most efficient option...correct?

a) would push those to the limits with default cooler & settings ~1100W. 2 x 295x2 = 4 x 290x = 4 x 44cu

b) 100 pages about this but how many at the wall posts?

c) you can do it with 800W but if power saving is your primary target then go with 470s. 5 x 390 = 5 x 40cu.

Can run some quick numbers with c) if you are interested, I have one 3x390 with power meter.

This is a rig with measurements at the wall for both ZEC and ETH using 6 x RX480's (this includes motherboard,ram,hd into the WPC)

Card        Volt/Rom        Miner            GPU MEM   ZEC (h/s)   WATT  HPW  WPC           ETH (h/s)  WATT   HPW   WPC
RX480     -100mv      Claymore v8      1150 2100     1075        720   1.493 120              175          880    0.198   147

That looks about right however with ZEC if you riased the GPU core to 1230-1300 you would get 1200h/s and use about the same power as eth