PA-8500 Performance Breakthrough

• Leadership performance

• 1.5MB on-chip cache

HP PA-RISC Sun Ultra- SGI MIPS

8500-440 SPARC2-400 R12000-300

Compaq Intel

Alpha IBM Pentium II

21264-600 Power3-200 Xeon-450

• 140 Million transistors

• Improved Branch Prediction

Sources: HP for 8500 and Linley Gwennap (MicroDesign Resources, 10/7/98) for apples-to-apples

SPEC comparison numbers

32

52

32

50

18

26

14

31

18

30

18

13

0

10

20

30

40

50

60

PA-RISC 8500 Base:

Specint95 est: 30

Specfp95 est: 50

SPECint95 peak, est.

SPECfp95 peak, est.

PA-RISC 8500 Peak:

Specint95 est: 32

Specfp95 est: 52

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