POWER7 Spec

By: anon (anon.delete@this.anon.com), February 16, 2010 3:42 pm
Room: Moderated Discussions
Jamie Lucier (me@myisp.com) on 2/16/10 wrote:
---------------------------
>anon (anon@anon.com) on 2/16/10 wrote:
>---------------------------
>
>>Keep in mind you are comparing the slowest clocked, 6 core variant of POWER7 to
>>basically what will be the highest clocked Nehalem-EX (well, an estimate with 2x 4 core).
>
>I'm not comparing to Nehalem EX, the Intel Xeon benchmark is/was run on Nehalem
>EP,

Right but Nehalem EX is the most direct competitor for POWER7.

> which BTW will have a 6core/12thread "Westmere" replacement within 6 months
>that will clock higher. That will provide for a more direct comparison. Also note
>that the POWER7 in this benchmark was actually clocking at 3,640 MHz according to
>the detailed report using IBM's TuboBoost equivalent.

A top bin 8 core device should be about 30% faster.

>
>>
>>A top bin 8 core POWER7 should hammer the top 8 core Nehalem, per socket and per core.
>
>I don't know what you mean by hammer? In my mind that means clobber/crush.

Yes.

> I think
>the Nehalem EX (4 - 8 socket) will be very competitive in raw performance terms
>compared to POWER7 equivalent socket/core/memory counts.

Ah, I didn't realize top bin 8 core Nehalem EX will only reach 2.26. So yes it will get hammered.

>This in my mind means within
>15-20%. In terms of price performance it will be the POWER7 that gets hammered.
>If IBM stays true to forcing customers to purchase their overpriced memory you will feel the pain.

Sure price performance will be worse.

>>
>>Bottom bin POWER6 gets very close to 2.93GHz Nehalem, per core. So POWER7 should
>>be pretty safe per-socket in TPC-C too.
>>
>On the high-end >8 sockets I absolutely agree that IBM will put out a monster TPC-C
>benchmark if/when they roll out the POWER7 based 595 replacement. I can't see anything
>coming close when measure by sockets/cores/memory as a common denominator.
>
>But in the 8 socket or less space I'm thinking the Intel Xeon team will be grabbing
>a lot of market share due to the compelling price/performance. And this will be
>backed up in my opinion with some substantial 4 - 8 socket benchmarks that put it within the 15-20% of the the POWER7.

Performance per socket "which CPU is the champ in synthetic benchmarks", POWER7 will win, hands down. I think even at low socket counts, a 3.9GHz 8 core POWER7 will beat a 2.26GHz 8 core Nehalem EX by more than 20% in tpc-c.
< Previous Post in ThreadNext Post in Thread >
TopicPosted ByDate
POWER7 SpecParadox2010/02/08 11:05 AM
  POWER7 SpecThu Nguyen2010/02/08 12:58 PM
    POWER7 SpecIan Ameline2010/02/08 09:22 PM
      POWER7 SpecThu Nguyen2010/02/08 11:54 PM
        POWER7 SpecIan Ameline2010/02/09 06:46 AM
          POWER7 SpecLinus Torvalds2010/02/09 07:57 AM
            industry-standard single-threaded performance benchmarks absentMichael S2010/02/09 08:09 AM
              industry-standard single-threaded performance benchmarks absentParadox2010/02/09 08:33 AM
                industry-standard single-threaded performance benchmarks absentMichael S2010/02/09 09:30 AM
                  industry-standard single-threaded performance benchmarks absentParadox2010/02/09 10:52 AM
                    industry-standard single-threaded performance benchmarks absentJesper Frimann2010/02/09 11:33 AM
              industry-standard single-threaded performance benchmarks absentLinus Torvalds2010/02/09 08:48 AM
                industry-standard single-threaded performance benchmarks absentMichael S2010/02/09 09:26 AM
                  industry-standard single-threaded performance benchmarks absentLinus Torvalds2010/02/09 09:58 AM
                    industry-standard single-threaded performance benchmarks absentJesper Frimann2010/02/09 12:17 PM
                      industry-standard single-threaded performance benchmarks absentLinus Torvalds2010/02/09 12:54 PM
                        industry-standard single-threaded performance benchmarks absentJesper Frimann2010/02/09 02:10 PM
                    industry-standard single-threaded performance benchmarks absentParadox2010/02/09 01:22 PM
                industry-standard single-threaded performance benchmarks absentanon2010/02/09 10:21 AM
            POWER7 SpecJesper Frimann2010/02/09 12:30 PM
            POWER7 SpecDoug Siebert2010/02/09 05:38 PM
              POWER7 SpecLinus Torvalds2010/02/09 07:28 PM
                POWER7 SpecLinus Torvalds2010/02/09 07:28 PM
                  POWER7 SpecIan Ameline2010/02/09 08:02 PM
                    POWER7 SpecDoug Siebert2010/02/09 10:18 PM
                POWER7 Specsomeone2010/02/09 08:20 PM
                  POWER7 SpecLinus Torvalds2010/02/10 09:17 AM
                    POWER7 SpecLinus Torvalds2010/02/10 09:46 AM
                      POWER7 SpecEmil2010/02/10 11:06 AM
                    POWER7 SpecIan Ameline2010/02/10 10:13 AM
                    POWER7 Specsomeone2010/02/10 11:01 AM
                      POWER7 SpecLinus Torvalds2010/02/10 11:32 AM
                        POWER7 SpecMichael S2010/02/10 12:30 PM
                          POWER7 SpecLinus Torvalds2010/02/10 01:25 PM
                            POWER7 Specmpx2010/02/10 02:58 PM
                        POWER7 Specnemlis2010/02/11 12:24 AM
                          POWER7 Specnone2010/02/11 12:52 AM
                            POWER7 Specnemlis2010/02/11 01:52 PM
          POWER7 Specmpx2010/02/09 08:18 AM
          POWER7 SpecMichael S2010/02/09 09:08 AM
        POWER7 SpecJesper Frimann2010/02/16 02:29 AM
          POWER7 SpecJamie Lucier2010/02/16 06:35 AM
            POWER7 Specanon2010/02/16 07:16 AM
              POWER7 SpecJamie Lucier2010/02/16 10:46 AM
                POWER7 Specanon2010/02/16 03:42 PM
                  POWER7 SpecJamie Lucier2010/02/18 06:07 AM
              POWER7 SpecThu Nguyen2010/02/16 01:23 PM
            POWER7 SpecParadox2010/02/16 09:57 AM
              POWER7 SpecJamie Lucier2010/02/16 11:22 AM
                POWER7 SpecParadox2010/02/16 02:00 PM
            POWER7 SpecJesper Frimann2010/02/16 02:14 PM
              POWER7 SpecJamie Lucier2010/02/17 10:41 AM
  POWER7 SpecJesper Frimann2010/02/09 04:43 AM
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