By: kalelovil (kalelovil.delete@this.gmail.com), April 26, 2012 4:19 am
Room: Moderated Discussions
David Kanter (dkanter@realworldtech.com) on 4/26/12 wrote:
---------------------------
>kalelovil (kalelovil@gmail.com) on 4/26/12 wrote:
>---------------------------
>>David Kanter (dkanter@realworldtech.com) on 4/25/12 wrote:
>>---------------------------
>>>It depends on the market and TDP constraints. For desktop, I'd totally agree with
>>>you, but for notebook it's probably ambiguous
>>>
>>>David
>>
>>The Anandtech Ivy Bridge Laptop Preview shows 45W Ivy >Bridge only equalling 35W
>>Llano despite all the higher TDP and non-IGP (but affecting
>>the IGP's performance) advantages of the Intel platform.
>
>Which advantages are you thinking of?
Faster memory and faster CPU.
>
>>Think of it this way; if a theoretical 45W Ivy Bridge laptop APU was designed with
>>the graphics core (including its L3 access) removed and the Llano graphics core
>>grafted in I would expect it to be at least 25% faster in >games than the current 45W Ivy Bridge APUs.
>
>That's not possible though. If you look at the system architecture, the two are
>quite different and that has a major impact on the GPU.
>
I was talking theoretically.
>>David Kanter (dkanter@realworldtech.com) on 4/25/12 wrote:
>>---------------------------
>>>and for 17W, I'd expect IVB to be better.
>>>
>>>David
>>
>>We will have to wait and see, and it will depend on a >number of factors including
>>whether it is being used on battery power or mains and the >ability of the laptop
>>chassis and cooling system to let it turbo.
>
>Battery power of course. I do agree that it's very system dependent.
>
>>When it couldn't effectively turbo the igp results of 17W Sandy Bridge were very disappointing:
>>http://techreport.com/articles.x/21551/7
>>http://techreport.com/articles.x/21902/7
>>
>
>Sandy Bridge was never really meant for 17W. Ivy Bridge actually makes sense there,
>and Haswell will be an excellent fit.
>
>Also, what would you consider the 17W Llano results?
>
>David
As far as I know there are none.
AMD have had enough issues with Global Foundries' 32nm SOI process without trying to make specialty ultra-low-voltage chips on it.
Hopefully the process has settled down now and AMD's and GF's engineers have the hang of it.
---------------------------
>kalelovil (kalelovil@gmail.com) on 4/26/12 wrote:
>---------------------------
>>David Kanter (dkanter@realworldtech.com) on 4/25/12 wrote:
>>---------------------------
>>>It depends on the market and TDP constraints. For desktop, I'd totally agree with
>>>you, but for notebook it's probably ambiguous
>>>
>>>David
>>
>>The Anandtech Ivy Bridge Laptop Preview shows 45W Ivy >Bridge only equalling 35W
>>Llano despite all the higher TDP and non-IGP (but affecting
>>the IGP's performance) advantages of the Intel platform.
>
>Which advantages are you thinking of?
Faster memory and faster CPU.
>
>>Think of it this way; if a theoretical 45W Ivy Bridge laptop APU was designed with
>>the graphics core (including its L3 access) removed and the Llano graphics core
>>grafted in I would expect it to be at least 25% faster in >games than the current 45W Ivy Bridge APUs.
>
>That's not possible though. If you look at the system architecture, the two are
>quite different and that has a major impact on the GPU.
>
I was talking theoretically.
>>David Kanter (dkanter@realworldtech.com) on 4/25/12 wrote:
>>---------------------------
>>>and for 17W, I'd expect IVB to be better.
>>>
>>>David
>>
>>We will have to wait and see, and it will depend on a >number of factors including
>>whether it is being used on battery power or mains and the >ability of the laptop
>>chassis and cooling system to let it turbo.
>
>Battery power of course. I do agree that it's very system dependent.
>
>>When it couldn't effectively turbo the igp results of 17W Sandy Bridge were very disappointing:
>>http://techreport.com/articles.x/21551/7
>>http://techreport.com/articles.x/21902/7
>>
>
>Sandy Bridge was never really meant for 17W. Ivy Bridge actually makes sense there,
>and Haswell will be an excellent fit.
>
>Also, what would you consider the 17W Llano results?
>
>David
As far as I know there are none.
AMD have had enough issues with Global Foundries' 32nm SOI process without trying to make specialty ultra-low-voltage chips on it.
Hopefully the process has settled down now and AMD's and GF's engineers have the hang of it.
| Topic | Posted By | Date |
|---|---|---|
| Ivy Bridge GPU article | David Kanter | 04/23/12 08:27 AM |
| Ivy Bridge GPU article | Exophase | 04/23/12 09:08 AM |
| Ivy Bridge GPU article | ltcommander.data | 04/23/12 05:42 PM |
| Ivy Bridge GPU article | Arcadian | 04/24/12 09:03 PM |
| Ivy Bridge GPU article | kalelovil | 04/25/12 07:37 AM |
| Ivy Bridge GPU article | David Kanter | 04/25/12 11:15 AM |
| Ivy Bridge GPU article | Arcadian | 04/25/12 02:34 PM |
| Ivy Bridge GPU article | mik | 04/25/12 03:38 PM |
| Ivy Bridge GPU article | kalelovil | 04/25/12 06:41 PM |
| Ivy Bridge GPU article | David Kanter | 04/25/12 07:42 PM |
| Ivy Bridge GPU article | kalelovil | 04/26/12 01:05 AM |
| Ivy Bridge GPU article | David Kanter | 04/26/12 02:19 AM |
| Ivy Bridge GPU article | kalelovil | 04/26/12 04:19 AM |
| Ivy Bridge GPU article | David Kanter | 04/26/12 07:51 AM |
| Offtopic | EduardoS | 04/26/12 03:37 PM |
| Offtopic | Konrad Schwarz | 04/27/12 03:23 AM |
| Offtopic | none | 04/27/12 04:05 AM |
| Cortex-M4 has some DSP, I think (NT) | Paul A. Clayton | 04/27/12 09:53 AM |
| Offtopic | Anon | 04/28/12 02:28 PM |
| Ivy Bridge GPU article | Foo_ | 04/26/12 04:02 AM |
| Ivy Bridge GPU article | kalelovil | 04/26/12 04:14 AM |
| Ivy Bridge GPU article | mik | 04/26/12 04:53 AM |
| Ivy Bridge GPU article | kalelovil | 04/26/12 06:22 AM |
| Ivy Bridge GPU article | Arcadian | 04/26/12 07:06 AM |
| Ivy Bridge GPU article | mik | 04/26/12 03:52 PM |
| Ivy Bridge GPU article | egan | 04/23/12 10:50 AM |
| Ivy Bridge GPU article | Anon | 04/24/12 02:03 AM |
| Ivy Bridge GPU article | egan | 04/24/12 04:19 AM |
| Didn't you hear about "wheel of reincarnation"? (NT) | Michael S | 04/24/12 08:04 AM |
| Ivy Bridge GPU article | anon | 04/24/12 06:31 PM |
| Ivy Bridge GPU article | ltcommander.data | 04/23/12 06:44 PM |
| Ivy Bridge GPU article | bakaneko | 04/24/12 04:24 AM |



