Cpu hierarchy?

I was wondering what a CPU hierarchy chart would look like. For example, if you took many many processors and set them all at, say , 1Ghz, where would each CPU fall in relation to others. Here's my guess at what it may look like:

Original Pentium
Pentium II
Athlon
Celeron
Duron
Pentium III
Sempron
Athlon XP
Pentium 4
Athlon 64
Athlon 64 FX
Pentium D
Athlon X2
Core 2 Duo
Phenom
Phenom 2
Core 2 Quad
Core i7

I know I left some out, the tri-core AMDs for example, but this is just my random guess, and it's not very accurate, I'm sure.
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More about hierarchy
  1. Hmmmm... X4 between Core 2 Quad and i7, then move Sempron above Pentium III.
  2. and put the pentium D above the athlon 64.
  3. I think the Pentium 3 clock for clock would destroy a Pentium 4; the Pentium 3 is what they chose to make the Core2 line out of after all...The Pentium 4 was all about the GHz, not the ICP.

    Heck, the P4 might have the worse ICP out of all of them; Seriously, DNF development would end before an instruction finds its way out of the P4 pipeline!
  4. ^ they use the P3 architecture for Core i too.
  5. r_manic said:
    Hmmmm... X4 between Core 2 Quad and i7, then move Sempron above Pentium III.

    Nah. Core 2 quads are ahead of the Phenom clock for clock.

    Agreed about putting P4 quite a bit farther down though.
  6. Honestly, could P4 be worst, clock for clock? We are essentially arguing ICP here, and I think the P4 could be the worst of the bunch, thanks to that pipeline.

    And no response to my DNF joke yet? Cmon people...
  7. Pentium Dual Cores go between Pentium Ds and Core2s

    Celerons are probably better than Pentium IIIs

    Core2Duos are better than Phenom 1s
  8. Celerons? New Celerons, like the Conroe-L? If so, they go above Sempron and Athlon64, pretty much a clock parity with 1MB L2 cache Althon64s (such as the Athlon64 FX).

    Also, I gotta defend P4. Sure, the Williamette P4, with a 400MHz fsb, 256kb L2 cache, and no hyperthreading may not be faster than a Pentium III clock for clock, but if we took an HT enabled Northwood or Prescott or Cedar Mill and pitting it against a PIII, the P4 would win, hands down. More L2 cache, and a 10 to 20% performance boost thanks to HT, not to mention SSE2 and SSE3 (Prescott and Cedar Mill). After all, we are using modern benchmark applications, aren't we?

    Here's the list:
    K5
    Pentium
    K6
    Pentium MMX
    K6-2
    Pentium II
    K6-III
    Celeron (Mendicino<Coppermine)
    Celeron (Pentium 4 Williamette/Northwood)
    Atom
    Pentium 4 (Williamette<Northwood)
    Celeron (Tualatin)
    Pentium III (Coppermine)
    Celeron D (Prescott<Cedar Mill)
    Athon (Orion/Pluto)
    Duron
    Pentium III (Tualatin)
    Athlon (Thunderbird)
    Pentium 4, HT enabled (Prescott<Northwood<Cedar Mill<Gallatin)
    Athlon XP (Palomino/Thoroughbred A/B<Barton)
    Atom Dual Core
    Sempron
    Pentium M/Celeron M (Banias/Dothan)
    Athlon 64
    Pentium D
    Celeron (Conroe-L)
    Athlon64 FX (or 1MB L2 cache Athlon64)
    Core-Solo
    Celeron M (Merom)
    Athlon X2
    Core Duo
    Core 2 Duo
    Phenom
    Core 2 Quad
    Phenom II
    Core i5 (guess)
    Core i7

    On this list, it's pretty tight from Pentium II to Celeron, and then again from Celeron Tualaton to Athlon T-Bird. They all perform very much equal to each other on a clock for clock basis. Once again, when we come to Pentium M to Athlon FX the performance would be very close, so it's hard to say in those groupings which one will be better than the other for absolute certainty. However, I've grouped these based on the assumption that all benchmarks are multi-threaded. If single threaded benchmarks are used, the performance of anything SMT or multi core would drop significantly. Now this list is once again based on the assumption that all CPUs were running at 1.0GHz. Everything else, such as the FSB, ram type available to the platform the CPU would have to run on, would remain unchanged, so this is most definitely a list of IPC of a given platform, as I'm sure some of these CPUs are held back by slow FSB, off die cache, and slow ram. Since some of these CPUs are capable of operating at much higher frequencies (e.g. the P4), an absolute performance chart for the CPUs given factory clock speeds would end up looking quite different.
  9. Noob question: ICP?

    And gamer: instantrimshot.com :P
  10. I'd say Core 2 Quad is ahead of Phenom II, especially if you count the 45nm C2Qs. Aside from that, the list isn't bad, although Atom might be a bit farther down.
  11. I meant IPC: Instructions Per clock Cycle (I stupidly typed ICP :P)
  12. Refonders said:
    I was wondering what a CPU hierarchy chart would look like. For example, if you took many many processors and set them all at, say , 1Ghz, where would each CPU fall in relation to others. Here's my guess at what it may look like:

    Original Pentium
    Pentium II
    Athlon
    Celeron
    Duron
    Pentium III
    Sempron
    Athlon XP
    Pentium 4
    Athlon 64
    Athlon 64 FX
    Pentium D
    Athlon X2
    Core 2 Duo
    Phenom
    Phenom 2
    Core 2 Quad
    Core i7

    I know I left some out, the tri-core AMDs for example, but this is just my random guess, and it's not very accurate, I'm sure.


    Are you talking about single-threaded performance or multi-threaded performance? If it is single-threaded performance, then it is something like this, slowest to fastest per clock:

    - 8086
    - 80286
    - 80386
    - 80486/Am5x86
    - Original Pentium
    - K5
    - Celeron Covington (no L2 cache)
    - AMD K6/K6-2
    - AMD K6-III
    - Atom
    - Pentium 4/D
    - PII/PIII Katmai/Celeron Mendocino/Pentium Pro
    - PIII Coppermine
    - K7 Athlon/Celeron Tualatin
    - PIII Tualatin/Athlon XP
    - Pentium M Banias
    - Athlon 64/Pentium M Dothan/Core
    - Phenom/K10 Athlon/Core 2 Allendale
    - Core 2 Conroe, Core 2 Wolfdale-2M/3M
    - Phenom II/Core 2 Wolfdale
    - Core i7
  13. joefriday's seems about right but should split the PhenomII into X3 and X4
  14. also add dual nehalem's if it's multithreaded.
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