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Topic: ASIC power consumption estimates - page 3. (Read 15466 times)

vip
Activity: 1358
Merit: 1000
AKA: gigavps
October 02, 2012, 06:14:38 PM
#57
Isn't the BFL device 1.65kW? ... which also can pose problems for some with 110V ... since it's 15A ... well above 10A

I was using 1Th as a comparison, not as actual device figures...  Tongue
legendary
Activity: 966
Merit: 1000
October 02, 2012, 06:10:35 PM
#56
Isn't the BFL device 1.65kW? ... which also can pose problems for some with 110V ... since it's 15A ... well above 10A

I have yet to encounter a US house with outlet circuits rated for anything less than 15A.  Maybe it's different in other parts of the world that run on 120V (or 110V).

1500W consumption seems to be the upper limit for commonly encountered 110V/120V devices, I guess because 15A is all the makers count on being available at an outlet.

People wired for 220/240V power are at a definite advantage when it comes to being able to easily run higher wattage appliances.
member
Activity: 112
Merit: 10
October 02, 2012, 05:53:42 PM
#55
Just updated the OP with new info from the ASICMINER thread. ASICMINER's estimates that they are going to be 4.2x the power usage of BFL. That would mean 4.2kW per Terahash! So, hypothetically, if you compared 1Th of asic miner to 1Th of BFL:

Code:
             Terahash    Power    Monthly Usage    Avg. Cost kW    Cost per Month
ASICMINER       1Th/s    4.2kW            3,066           $0.11           $337.26
BFL             1Th/s    1.0kW              730           $0.11            $80.30

I don't know about you guys, but that BFL equipment, if delivered as expected, is going to be able to run a lot longer with increasing difficulty compared to ASICMINER.

If I read this correct they use 135nm chips, so pretty old tech. So I think it is expected to be slower,
but they are located in china and maybe can make up for that with cheaper product prices.


The electricity costs are only important long-term. ASICMINER consciously decided to go for an older, more reliable technology, because it minimizes the risk of the chip being DOA, which can happen with newer tech.

I'm going to assume the initial costs are also significantly cheaper. But we don't have word for bfl or btcfpga on what type of technology (device size) they will be using yet.

Please correct me (with evidence) if I am wrong.
donator
Activity: 994
Merit: 1000
October 02, 2012, 05:48:20 PM
#54
Just updated the OP with new info from the ASICMINER thread. ASICMINER's estimates that they are going to be 4.2x the power usage of BFL. That would mean 4.2kW per Terahash! So, hypothetically, if you compared 1Th of asic miner to 1Th of BFL:

Code:
             Terahash    Power    Monthly Usage    Avg. Cost kW    Cost per Month
ASICMINER       1Th/s    4.2kW            3,066           $0.11           $337.26
BFL             1Th/s    1.0kW              730           $0.11            $80.30

I don't know about you guys, but that BFL equipment, if delivered as expected, is going to be able to run a lot longer with increasing difficulty compared to ASICMINER.

If I read this correct they use 135nm chips, so pretty old tech. So I think it is expected to be slower,
but they are located in china and maybe can make up for that with cheaper product prices.


The electricity costs are only important long-term. ASICMINER consciously decided to go for an older, more reliable technology, because it minimizes the risk of the chip being DOA, which can happen with newer tech.
sr. member
Activity: 313
Merit: 250
October 02, 2012, 04:56:49 PM
#53
Just updated the OP with new info from the ASICMINER thread. ASICMINER's estimates that they are going to be 4.2x the power usage of BFL. That would mean 4.2kW per Terahash! So, hypothetically, if you compared 1Th of asic miner to 1Th of BFL:

Code:
             Terahash    Power    Monthly Usage    Avg. Cost kW    Cost per Month
ASICMINER       1Th/s    4.2kW            3,066           $0.11           $337.26
BFL             1Th/s    1.0kW              730           $0.11            $80.30

I don't know about you guys, but that BFL equipment, if delivered as expected, is going to be able to run a lot longer with increasing difficulty compared to ASICMINER.

If I read this correct they use 135nm chips, so pretty old tech. So I think it is expected to be slower,
but they are located in china and maybe can make up for that with cheaper product prices.
legendary
Activity: 4634
Merit: 1851
Linux since 1997 RedHat 4
October 02, 2012, 04:48:34 PM
#52
Isn't the BFL device 1.65kW? ... which also can pose problems for some with 110V ... since it's 15A ... well above 10A
member
Activity: 112
Merit: 10
October 02, 2012, 04:32:13 PM
#51
Just updated the OP with new info from the ASICMINER thread. ASICMINER's estimates that they are going to be 4.2x the power usage of BFL. That would mean 4.2kW per Terahash! So, hypothetically, if you compared 1Th of asic miner to 1Th of BFL:

Code:
             Terahash    Power    Monthly Usage    Avg. Cost kW    Cost per Month
ASICMINER       1Th/s    4.2kW            3,066           $0.11           $337.26
BFL             1Th/s    1.0kW              730           $0.11            $80.30

I don't know about you guys, but that BFL equipment, if delivered as expected, is going to be able to run a lot longer with increasing difficulty compared to ASICMINER.

I am still calling bs on all power ratings until I see actual prototypes performing at predicted rates.
vip
Activity: 1358
Merit: 1000
AKA: gigavps
October 02, 2012, 02:56:43 PM
#50
Just updated the OP with new info from the ASICMINER thread. ASICMINER's estimates that they are going to be 4.2x the power usage of BFL. That would mean 4.2kW per Terahash! So, hypothetically, if you compared 1Th of asic miner to 1Th of BFL:

Code:
             Terahash    Power    Monthly Usage    Avg. Cost kW    Cost per Month
ASICMINER       1Th/s    4.2kW            3,066           $0.11           $337.26
BFL             1Th/s    1.0kW              730           $0.11            $80.30

I don't know about you guys, but that BFL equipment, if delivered as expected, is going to be able to run a lot longer with increasing difficulty compared to ASICMINER.
full member
Activity: 127
Merit: 100
October 02, 2012, 05:31:57 AM
#49
The ASICMINER source says 4.2 Joule/Ghash:
https://bitcointalksearch.org/topic/m.1215501

(BTW, fix your units, it's either Watt/Ghash/s or Joule/Ghash  Tongue )

I've fixed the OP. I'm still debating whether or not to put the bASIC claims from the BFL thread in the OP. Anyone have an opinion on this?

Do it and add a disclaimer on those figures until we get the correct/real numbers.
vip
Activity: 1358
Merit: 1000
AKA: gigavps
October 02, 2012, 05:28:23 AM
#48
The ASICMINER source says 4.2 Joule/Ghash:
https://bitcointalksearch.org/topic/m.1215501

(BTW, fix your units, it's either Watt/Ghash/s or Joule/Ghash  Tongue )

I've fixed the OP. I'm still debating whether or not to put the bASIC claims from the BFL thread in the OP. Anyone have an opinion on this?
mrb
legendary
Activity: 1512
Merit: 1028
October 01, 2012, 09:12:32 PM
#47
  • BFL - 1 watt/Gh +- 10% source
  • Avalon - 2-10 watts/Gh source
  • ASICMINER - 6 watts/Gh waiting on source
  • bASIC -???/Gh
  • DeepBit "Reclaimer" -???/Gh

The ASICMINER source says 4.2 Joule/Ghash:
https://bitcointalksearch.org/topic/m.1215501

(BTW, fix your units, it's either Watt/Ghash/s or Joule/Ghash  Tongue )
vip
Activity: 1358
Merit: 1000
AKA: gigavps
October 01, 2012, 04:05:52 PM
#46
Thanks Gigavps for this thread, I will watch this thread closely!

You are quite welcome. Hopefully some more manufacturers will be posting estimates or actual results soon.
full member
Activity: 127
Merit: 100
October 01, 2012, 03:38:53 PM
#45
Thanks Gigavps for this thread, I will watch this thread closely!
sr. member
Activity: 336
Merit: 250
October 01, 2012, 02:05:56 PM
#44
You (and Tom) are dreaming if you think it's going to run at 60w.  The reason he doesn't want to post his power specs is because he knows they are going to be high.

Why is it attainable for your company but only dream-able for others?

Because BFL is using a 65nm process and Tom is using 130nm? That's a 4x difference in power use right there.

Actually, I'm not sure what Tom is using. Maybe I'm thinking of Avalon. Anyone know for sure?

Has anyone from BFL confirmed that they're on a 65nm node?
No, but they have shown the same solidworks model with two different extrusions  Wink
legendary
Activity: 1274
Merit: 1004
October 01, 2012, 02:03:35 PM
#43
You (and Tom) are dreaming if you think it's going to run at 60w.  The reason he doesn't want to post his power specs is because he knows they are going to be high.

Why is it attainable for your company but only dream-able for others?

Because BFL is using a 65nm process and Tom is using 130nm? That's a 4x difference in power use right there.

Actually, I'm not sure what Tom is using. Maybe I'm thinking of Avalon. Anyone know for sure?

Has anyone from BFL confirmed that they're on a 65nm node?
sr. member
Activity: 336
Merit: 250
October 01, 2012, 02:02:59 PM
#42
Anyone remember when the BFL singles were going to use 20W? Good times  Wink

Yeeeah, I'll believe anyone's power figures when I see the device plugged into a power meter, not before  Cheesy
legendary
Activity: 966
Merit: 1000
October 01, 2012, 01:59:15 PM
#41
You (and Tom) are dreaming if you think it's going to run at 60w.  The reason he doesn't want to post his power specs is because he knows they are going to be high.

Why is it attainable for your company but only dream-able for others?

Because BFL is using a 65nm process and Tom is using 130nm? That's a 4x difference in power use right there.

Actually, I'm not sure what Tom is using. Maybe I'm thinking of Avalon. Anyone know for sure?

3, this ASIC will manufacture by SMIC or TSMC.  0.11 or 0.13 process.

There the Avalon feature size has been stated.  I don't think I have seen either BFL or Tom/cablepair mention their process feature size.
hero member
Activity: 681
Merit: 500
October 01, 2012, 01:39:04 PM
#40
You (and Tom) are dreaming if you think it's going to run at 60w.  The reason he doesn't want to post his power specs is because he knows they are going to be high.

Why is it attainable for your company but only dream-able for others?

Because BFL is using a 65nm process and Tom is using 130nm? That's a 4x difference in power use right there.

Actually, I'm not sure what Tom is using. Maybe I'm thinking of Avalon. Anyone know for sure?
vip
Activity: 1358
Merit: 1000
AKA: gigavps
October 01, 2012, 12:45:15 PM
#39
Maybe it's because they are producing a Full Custom ASIC where the others use Standard Cell designs:

Of course that assumes they're being on the level with all of these statements.

IMHO, I believe that BFL have learned the lessons of the past with underestimating power consumption and over estimating Mh/s. I also do not believe they would be using the phrase "full custom" unless they were doing just that.
legendary
Activity: 966
Merit: 1000
October 01, 2012, 12:18:21 PM
#38
You (and Tom) are dreaming if you think it's going to run at 60w.  The reason he doesn't want to post his power specs is because he knows they are going to be high.

Why is it attainable for your company but only dream-able for others?

Maybe it's because they are producing a Full Custom ASIC where the others use Standard Cell designs:


http://www.youtube.com/watch?v=bT-smMzg54k&feature=relmfu

at 0.48  "full-custom asics, etc

 

Quote
By the way, BFL doesn't use the phrase "full custom" to mean the same thing it means in the industry.

We don't?  Please elaborate. (I'm serious, I'm not being snarky.  If we/I am using it incorrectly, then I would like to use the proper term.)

Standard-cell ASICs and synthesis-flow ASICs are not considered full-custom chips.

The phrase "fully custom" is a BFL-ism that sounds a lot like "truthiness" Smiley  In fact the third google hit for "fully custom asic" on the entire interweb is BFL which ought to be a hint that it is a contortion of the usual industry terminology...

Of course that assumes they're being on the level with all of these statements.
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